| File: | gromacs/gmxlib/nonbonded/nb_kernel_sse4_1_single/nb_kernel_ElecCoul_VdwCSTab_GeomW3W3_sse4_1_single.c |
| Location: | line 1149, column 5 |
| Description: | Value stored to 'j_coord_offsetA' is never read |
| 1 | /* |
| 2 | * This file is part of the GROMACS molecular simulation package. |
| 3 | * |
| 4 | * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by |
| 5 | * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl, |
| 6 | * and including many others, as listed in the AUTHORS file in the |
| 7 | * top-level source directory and at http://www.gromacs.org. |
| 8 | * |
| 9 | * GROMACS is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU Lesser General Public License |
| 11 | * as published by the Free Software Foundation; either version 2.1 |
| 12 | * of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * GROMACS is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with GROMACS; if not, see |
| 21 | * http://www.gnu.org/licenses, or write to the Free Software Foundation, |
| 22 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 23 | * |
| 24 | * If you want to redistribute modifications to GROMACS, please |
| 25 | * consider that scientific software is very special. Version |
| 26 | * control is crucial - bugs must be traceable. We will be happy to |
| 27 | * consider code for inclusion in the official distribution, but |
| 28 | * derived work must not be called official GROMACS. Details are found |
| 29 | * in the README & COPYING files - if they are missing, get the |
| 30 | * official version at http://www.gromacs.org. |
| 31 | * |
| 32 | * To help us fund GROMACS development, we humbly ask that you cite |
| 33 | * the research papers on the package. Check out http://www.gromacs.org. |
| 34 | */ |
| 35 | /* |
| 36 | * Note: this file was generated by the GROMACS sse4_1_single kernel generator. |
| 37 | */ |
| 38 | #ifdef HAVE_CONFIG_H1 |
| 39 | #include <config.h> |
| 40 | #endif |
| 41 | |
| 42 | #include <math.h> |
| 43 | |
| 44 | #include "../nb_kernel.h" |
| 45 | #include "types/simple.h" |
| 46 | #include "gromacs/math/vec.h" |
| 47 | #include "nrnb.h" |
| 48 | |
| 49 | #include "gromacs/simd/math_x86_sse4_1_single.h" |
| 50 | #include "kernelutil_x86_sse4_1_single.h" |
| 51 | |
| 52 | /* |
| 53 | * Gromacs nonbonded kernel: nb_kernel_ElecCoul_VdwCSTab_GeomW3W3_VF_sse4_1_single |
| 54 | * Electrostatics interaction: Coulomb |
| 55 | * VdW interaction: CubicSplineTable |
| 56 | * Geometry: Water3-Water3 |
| 57 | * Calculate force/pot: PotentialAndForce |
| 58 | */ |
| 59 | void |
| 60 | nb_kernel_ElecCoul_VdwCSTab_GeomW3W3_VF_sse4_1_single |
| 61 | (t_nblist * gmx_restrict nlist, |
| 62 | rvec * gmx_restrict xx, |
| 63 | rvec * gmx_restrict ff, |
| 64 | t_forcerec * gmx_restrict fr, |
| 65 | t_mdatoms * gmx_restrict mdatoms, |
| 66 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data, |
| 67 | t_nrnb * gmx_restrict nrnb) |
| 68 | { |
| 69 | /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or |
| 70 | * just 0 for non-waters. |
| 71 | * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different |
| 72 | * jnr indices corresponding to data put in the four positions in the SIMD register. |
| 73 | */ |
| 74 | int i_shift_offset,i_coord_offset,outeriter,inneriter; |
| 75 | int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx; |
| 76 | int jnrA,jnrB,jnrC,jnrD; |
| 77 | int jnrlistA,jnrlistB,jnrlistC,jnrlistD; |
| 78 | int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD; |
| 79 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
| 80 | real rcutoff_scalar; |
| 81 | real *shiftvec,*fshift,*x,*f; |
| 82 | real *fjptrA,*fjptrB,*fjptrC,*fjptrD; |
| 83 | real scratch[4*DIM3]; |
| 84 | __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall; |
| 85 | int vdwioffset0; |
| 86 | __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0; |
| 87 | int vdwioffset1; |
| 88 | __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
| 89 | int vdwioffset2; |
| 90 | __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
| 91 | int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D; |
| 92 | __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0; |
| 93 | int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D; |
| 94 | __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1; |
| 95 | int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D; |
| 96 | __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2; |
| 97 | __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00; |
| 98 | __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01; |
| 99 | __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02; |
| 100 | __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10; |
| 101 | __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11; |
| 102 | __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12; |
| 103 | __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20; |
| 104 | __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21; |
| 105 | __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22; |
| 106 | __m128 velec,felec,velecsum,facel,crf,krf,krf2; |
| 107 | real *charge; |
| 108 | int nvdwtype; |
| 109 | __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6; |
| 110 | int *vdwtype; |
| 111 | real *vdwparam; |
| 112 | __m128 one_sixth = _mm_set1_ps(1.0/6.0); |
| 113 | __m128 one_twelfth = _mm_set1_ps(1.0/12.0); |
| 114 | __m128i vfitab; |
| 115 | __m128i ifour = _mm_set1_epi32(4); |
| 116 | __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF; |
| 117 | real *vftab; |
| 118 | __m128 dummy_mask,cutoff_mask; |
| 119 | __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) ); |
| 120 | __m128 one = _mm_set1_ps(1.0); |
| 121 | __m128 two = _mm_set1_ps(2.0); |
| 122 | x = xx[0]; |
| 123 | f = ff[0]; |
| 124 | |
| 125 | nri = nlist->nri; |
| 126 | iinr = nlist->iinr; |
| 127 | jindex = nlist->jindex; |
| 128 | jjnr = nlist->jjnr; |
| 129 | shiftidx = nlist->shift; |
| 130 | gid = nlist->gid; |
| 131 | shiftvec = fr->shift_vec[0]; |
| 132 | fshift = fr->fshift[0]; |
| 133 | facel = _mm_set1_ps(fr->epsfac); |
| 134 | charge = mdatoms->chargeA; |
| 135 | nvdwtype = fr->ntype; |
| 136 | vdwparam = fr->nbfp; |
| 137 | vdwtype = mdatoms->typeA; |
| 138 | |
| 139 | vftab = kernel_data->table_vdw->data; |
| 140 | vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale); |
| 141 | |
| 142 | /* Setup water-specific parameters */ |
| 143 | inr = nlist->iinr[0]; |
| 144 | iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0])); |
| 145 | iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1])); |
| 146 | iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2])); |
| 147 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
| 148 | |
| 149 | jq0 = _mm_set1_ps(charge[inr+0]); |
| 150 | jq1 = _mm_set1_ps(charge[inr+1]); |
| 151 | jq2 = _mm_set1_ps(charge[inr+2]); |
| 152 | vdwjidx0A = 2*vdwtype[inr+0]; |
| 153 | qq00 = _mm_mul_ps(iq0,jq0); |
| 154 | c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]); |
| 155 | c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]); |
| 156 | qq01 = _mm_mul_ps(iq0,jq1); |
| 157 | qq02 = _mm_mul_ps(iq0,jq2); |
| 158 | qq10 = _mm_mul_ps(iq1,jq0); |
| 159 | qq11 = _mm_mul_ps(iq1,jq1); |
| 160 | qq12 = _mm_mul_ps(iq1,jq2); |
| 161 | qq20 = _mm_mul_ps(iq2,jq0); |
| 162 | qq21 = _mm_mul_ps(iq2,jq1); |
| 163 | qq22 = _mm_mul_ps(iq2,jq2); |
| 164 | |
| 165 | /* Avoid stupid compiler warnings */ |
| 166 | jnrA = jnrB = jnrC = jnrD = 0; |
| 167 | j_coord_offsetA = 0; |
| 168 | j_coord_offsetB = 0; |
| 169 | j_coord_offsetC = 0; |
| 170 | j_coord_offsetD = 0; |
| 171 | |
| 172 | outeriter = 0; |
| 173 | inneriter = 0; |
| 174 | |
| 175 | for(iidx=0;iidx<4*DIM3;iidx++) |
| 176 | { |
| 177 | scratch[iidx] = 0.0; |
| 178 | } |
| 179 | |
| 180 | /* Start outer loop over neighborlists */ |
| 181 | for(iidx=0; iidx<nri; iidx++) |
| 182 | { |
| 183 | /* Load shift vector for this list */ |
| 184 | i_shift_offset = DIM3*shiftidx[iidx]; |
| 185 | |
| 186 | /* Load limits for loop over neighbors */ |
| 187 | j_index_start = jindex[iidx]; |
| 188 | j_index_end = jindex[iidx+1]; |
| 189 | |
| 190 | /* Get outer coordinate index */ |
| 191 | inr = iinr[iidx]; |
| 192 | i_coord_offset = DIM3*inr; |
| 193 | |
| 194 | /* Load i particle coords and add shift vector */ |
| 195 | gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset, |
| 196 | &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2); |
| 197 | |
| 198 | fix0 = _mm_setzero_ps(); |
| 199 | fiy0 = _mm_setzero_ps(); |
| 200 | fiz0 = _mm_setzero_ps(); |
| 201 | fix1 = _mm_setzero_ps(); |
| 202 | fiy1 = _mm_setzero_ps(); |
| 203 | fiz1 = _mm_setzero_ps(); |
| 204 | fix2 = _mm_setzero_ps(); |
| 205 | fiy2 = _mm_setzero_ps(); |
| 206 | fiz2 = _mm_setzero_ps(); |
| 207 | |
| 208 | /* Reset potential sums */ |
| 209 | velecsum = _mm_setzero_ps(); |
| 210 | vvdwsum = _mm_setzero_ps(); |
| 211 | |
| 212 | /* Start inner kernel loop */ |
| 213 | for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4) |
| 214 | { |
| 215 | |
| 216 | /* Get j neighbor index, and coordinate index */ |
| 217 | jnrA = jjnr[jidx]; |
| 218 | jnrB = jjnr[jidx+1]; |
| 219 | jnrC = jjnr[jidx+2]; |
| 220 | jnrD = jjnr[jidx+3]; |
| 221 | j_coord_offsetA = DIM3*jnrA; |
| 222 | j_coord_offsetB = DIM3*jnrB; |
| 223 | j_coord_offsetC = DIM3*jnrC; |
| 224 | j_coord_offsetD = DIM3*jnrD; |
| 225 | |
| 226 | /* load j atom coordinates */ |
| 227 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 228 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 229 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 230 | |
| 231 | /* Calculate displacement vector */ |
| 232 | dx00 = _mm_sub_ps(ix0,jx0); |
| 233 | dy00 = _mm_sub_ps(iy0,jy0); |
| 234 | dz00 = _mm_sub_ps(iz0,jz0); |
| 235 | dx01 = _mm_sub_ps(ix0,jx1); |
| 236 | dy01 = _mm_sub_ps(iy0,jy1); |
| 237 | dz01 = _mm_sub_ps(iz0,jz1); |
| 238 | dx02 = _mm_sub_ps(ix0,jx2); |
| 239 | dy02 = _mm_sub_ps(iy0,jy2); |
| 240 | dz02 = _mm_sub_ps(iz0,jz2); |
| 241 | dx10 = _mm_sub_ps(ix1,jx0); |
| 242 | dy10 = _mm_sub_ps(iy1,jy0); |
| 243 | dz10 = _mm_sub_ps(iz1,jz0); |
| 244 | dx11 = _mm_sub_ps(ix1,jx1); |
| 245 | dy11 = _mm_sub_ps(iy1,jy1); |
| 246 | dz11 = _mm_sub_ps(iz1,jz1); |
| 247 | dx12 = _mm_sub_ps(ix1,jx2); |
| 248 | dy12 = _mm_sub_ps(iy1,jy2); |
| 249 | dz12 = _mm_sub_ps(iz1,jz2); |
| 250 | dx20 = _mm_sub_ps(ix2,jx0); |
| 251 | dy20 = _mm_sub_ps(iy2,jy0); |
| 252 | dz20 = _mm_sub_ps(iz2,jz0); |
| 253 | dx21 = _mm_sub_ps(ix2,jx1); |
| 254 | dy21 = _mm_sub_ps(iy2,jy1); |
| 255 | dz21 = _mm_sub_ps(iz2,jz1); |
| 256 | dx22 = _mm_sub_ps(ix2,jx2); |
| 257 | dy22 = _mm_sub_ps(iy2,jy2); |
| 258 | dz22 = _mm_sub_ps(iz2,jz2); |
| 259 | |
| 260 | /* Calculate squared distance and things based on it */ |
| 261 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 262 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 263 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 264 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 265 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 266 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 267 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 268 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 269 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 270 | |
| 271 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 272 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 273 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 274 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 275 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 276 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 277 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 278 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 279 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 280 | |
| 281 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 282 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 283 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 284 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 285 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 286 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 287 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 288 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 289 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 290 | |
| 291 | fjx0 = _mm_setzero_ps(); |
| 292 | fjy0 = _mm_setzero_ps(); |
| 293 | fjz0 = _mm_setzero_ps(); |
| 294 | fjx1 = _mm_setzero_ps(); |
| 295 | fjy1 = _mm_setzero_ps(); |
| 296 | fjz1 = _mm_setzero_ps(); |
| 297 | fjx2 = _mm_setzero_ps(); |
| 298 | fjy2 = _mm_setzero_ps(); |
| 299 | fjz2 = _mm_setzero_ps(); |
| 300 | |
| 301 | /************************** |
| 302 | * CALCULATE INTERACTIONS * |
| 303 | **************************/ |
| 304 | |
| 305 | r00 = _mm_mul_ps(rsq00,rinv00); |
| 306 | |
| 307 | /* Calculate table index by multiplying r with table scale and truncate to integer */ |
| 308 | rt = _mm_mul_ps(r00,vftabscale); |
| 309 | vfitab = _mm_cvttps_epi32(rt); |
| 310 | vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps ((__v4sf)__X, ((0x00 | 0x01))); })); |
| 311 | vfitab = _mm_slli_epi32(vfitab,3); |
| 312 | |
| 313 | /* COULOMB ELECTROSTATICS */ |
| 314 | velec = _mm_mul_ps(qq00,rinv00); |
| 315 | felec = _mm_mul_ps(velec,rinvsq00); |
| 316 | |
| 317 | /* CUBIC SPLINE TABLE DISPERSION */ |
| 318 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 319 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 320 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 321 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 322 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 323 | Heps = _mm_mul_ps(vfeps,H); |
| 324 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 325 | VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp)); |
| 326 | vvdw6 = _mm_mul_ps(c6_00,VV); |
| 327 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 328 | fvdw6 = _mm_mul_ps(c6_00,FF); |
| 329 | |
| 330 | /* CUBIC SPLINE TABLE REPULSION */ |
| 331 | vfitab = _mm_add_epi32(vfitab,ifour); |
| 332 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 333 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 334 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 335 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 336 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 337 | Heps = _mm_mul_ps(vfeps,H); |
| 338 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 339 | VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp)); |
| 340 | vvdw12 = _mm_mul_ps(c12_00,VV); |
| 341 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 342 | fvdw12 = _mm_mul_ps(c12_00,FF); |
| 343 | vvdw = _mm_add_ps(vvdw12,vvdw6); |
| 344 | fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00))); |
| 345 | |
| 346 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 347 | velecsum = _mm_add_ps(velecsum,velec); |
| 348 | vvdwsum = _mm_add_ps(vvdwsum,vvdw); |
| 349 | |
| 350 | fscal = _mm_add_ps(felec,fvdw); |
| 351 | |
| 352 | /* Calculate temporary vectorial force */ |
| 353 | tx = _mm_mul_ps(fscal,dx00); |
| 354 | ty = _mm_mul_ps(fscal,dy00); |
| 355 | tz = _mm_mul_ps(fscal,dz00); |
| 356 | |
| 357 | /* Update vectorial force */ |
| 358 | fix0 = _mm_add_ps(fix0,tx); |
| 359 | fiy0 = _mm_add_ps(fiy0,ty); |
| 360 | fiz0 = _mm_add_ps(fiz0,tz); |
| 361 | |
| 362 | fjx0 = _mm_add_ps(fjx0,tx); |
| 363 | fjy0 = _mm_add_ps(fjy0,ty); |
| 364 | fjz0 = _mm_add_ps(fjz0,tz); |
| 365 | |
| 366 | /************************** |
| 367 | * CALCULATE INTERACTIONS * |
| 368 | **************************/ |
| 369 | |
| 370 | /* COULOMB ELECTROSTATICS */ |
| 371 | velec = _mm_mul_ps(qq01,rinv01); |
| 372 | felec = _mm_mul_ps(velec,rinvsq01); |
| 373 | |
| 374 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 375 | velecsum = _mm_add_ps(velecsum,velec); |
| 376 | |
| 377 | fscal = felec; |
| 378 | |
| 379 | /* Calculate temporary vectorial force */ |
| 380 | tx = _mm_mul_ps(fscal,dx01); |
| 381 | ty = _mm_mul_ps(fscal,dy01); |
| 382 | tz = _mm_mul_ps(fscal,dz01); |
| 383 | |
| 384 | /* Update vectorial force */ |
| 385 | fix0 = _mm_add_ps(fix0,tx); |
| 386 | fiy0 = _mm_add_ps(fiy0,ty); |
| 387 | fiz0 = _mm_add_ps(fiz0,tz); |
| 388 | |
| 389 | fjx1 = _mm_add_ps(fjx1,tx); |
| 390 | fjy1 = _mm_add_ps(fjy1,ty); |
| 391 | fjz1 = _mm_add_ps(fjz1,tz); |
| 392 | |
| 393 | /************************** |
| 394 | * CALCULATE INTERACTIONS * |
| 395 | **************************/ |
| 396 | |
| 397 | /* COULOMB ELECTROSTATICS */ |
| 398 | velec = _mm_mul_ps(qq02,rinv02); |
| 399 | felec = _mm_mul_ps(velec,rinvsq02); |
| 400 | |
| 401 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 402 | velecsum = _mm_add_ps(velecsum,velec); |
| 403 | |
| 404 | fscal = felec; |
| 405 | |
| 406 | /* Calculate temporary vectorial force */ |
| 407 | tx = _mm_mul_ps(fscal,dx02); |
| 408 | ty = _mm_mul_ps(fscal,dy02); |
| 409 | tz = _mm_mul_ps(fscal,dz02); |
| 410 | |
| 411 | /* Update vectorial force */ |
| 412 | fix0 = _mm_add_ps(fix0,tx); |
| 413 | fiy0 = _mm_add_ps(fiy0,ty); |
| 414 | fiz0 = _mm_add_ps(fiz0,tz); |
| 415 | |
| 416 | fjx2 = _mm_add_ps(fjx2,tx); |
| 417 | fjy2 = _mm_add_ps(fjy2,ty); |
| 418 | fjz2 = _mm_add_ps(fjz2,tz); |
| 419 | |
| 420 | /************************** |
| 421 | * CALCULATE INTERACTIONS * |
| 422 | **************************/ |
| 423 | |
| 424 | /* COULOMB ELECTROSTATICS */ |
| 425 | velec = _mm_mul_ps(qq10,rinv10); |
| 426 | felec = _mm_mul_ps(velec,rinvsq10); |
| 427 | |
| 428 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 429 | velecsum = _mm_add_ps(velecsum,velec); |
| 430 | |
| 431 | fscal = felec; |
| 432 | |
| 433 | /* Calculate temporary vectorial force */ |
| 434 | tx = _mm_mul_ps(fscal,dx10); |
| 435 | ty = _mm_mul_ps(fscal,dy10); |
| 436 | tz = _mm_mul_ps(fscal,dz10); |
| 437 | |
| 438 | /* Update vectorial force */ |
| 439 | fix1 = _mm_add_ps(fix1,tx); |
| 440 | fiy1 = _mm_add_ps(fiy1,ty); |
| 441 | fiz1 = _mm_add_ps(fiz1,tz); |
| 442 | |
| 443 | fjx0 = _mm_add_ps(fjx0,tx); |
| 444 | fjy0 = _mm_add_ps(fjy0,ty); |
| 445 | fjz0 = _mm_add_ps(fjz0,tz); |
| 446 | |
| 447 | /************************** |
| 448 | * CALCULATE INTERACTIONS * |
| 449 | **************************/ |
| 450 | |
| 451 | /* COULOMB ELECTROSTATICS */ |
| 452 | velec = _mm_mul_ps(qq11,rinv11); |
| 453 | felec = _mm_mul_ps(velec,rinvsq11); |
| 454 | |
| 455 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 456 | velecsum = _mm_add_ps(velecsum,velec); |
| 457 | |
| 458 | fscal = felec; |
| 459 | |
| 460 | /* Calculate temporary vectorial force */ |
| 461 | tx = _mm_mul_ps(fscal,dx11); |
| 462 | ty = _mm_mul_ps(fscal,dy11); |
| 463 | tz = _mm_mul_ps(fscal,dz11); |
| 464 | |
| 465 | /* Update vectorial force */ |
| 466 | fix1 = _mm_add_ps(fix1,tx); |
| 467 | fiy1 = _mm_add_ps(fiy1,ty); |
| 468 | fiz1 = _mm_add_ps(fiz1,tz); |
| 469 | |
| 470 | fjx1 = _mm_add_ps(fjx1,tx); |
| 471 | fjy1 = _mm_add_ps(fjy1,ty); |
| 472 | fjz1 = _mm_add_ps(fjz1,tz); |
| 473 | |
| 474 | /************************** |
| 475 | * CALCULATE INTERACTIONS * |
| 476 | **************************/ |
| 477 | |
| 478 | /* COULOMB ELECTROSTATICS */ |
| 479 | velec = _mm_mul_ps(qq12,rinv12); |
| 480 | felec = _mm_mul_ps(velec,rinvsq12); |
| 481 | |
| 482 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 483 | velecsum = _mm_add_ps(velecsum,velec); |
| 484 | |
| 485 | fscal = felec; |
| 486 | |
| 487 | /* Calculate temporary vectorial force */ |
| 488 | tx = _mm_mul_ps(fscal,dx12); |
| 489 | ty = _mm_mul_ps(fscal,dy12); |
| 490 | tz = _mm_mul_ps(fscal,dz12); |
| 491 | |
| 492 | /* Update vectorial force */ |
| 493 | fix1 = _mm_add_ps(fix1,tx); |
| 494 | fiy1 = _mm_add_ps(fiy1,ty); |
| 495 | fiz1 = _mm_add_ps(fiz1,tz); |
| 496 | |
| 497 | fjx2 = _mm_add_ps(fjx2,tx); |
| 498 | fjy2 = _mm_add_ps(fjy2,ty); |
| 499 | fjz2 = _mm_add_ps(fjz2,tz); |
| 500 | |
| 501 | /************************** |
| 502 | * CALCULATE INTERACTIONS * |
| 503 | **************************/ |
| 504 | |
| 505 | /* COULOMB ELECTROSTATICS */ |
| 506 | velec = _mm_mul_ps(qq20,rinv20); |
| 507 | felec = _mm_mul_ps(velec,rinvsq20); |
| 508 | |
| 509 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 510 | velecsum = _mm_add_ps(velecsum,velec); |
| 511 | |
| 512 | fscal = felec; |
| 513 | |
| 514 | /* Calculate temporary vectorial force */ |
| 515 | tx = _mm_mul_ps(fscal,dx20); |
| 516 | ty = _mm_mul_ps(fscal,dy20); |
| 517 | tz = _mm_mul_ps(fscal,dz20); |
| 518 | |
| 519 | /* Update vectorial force */ |
| 520 | fix2 = _mm_add_ps(fix2,tx); |
| 521 | fiy2 = _mm_add_ps(fiy2,ty); |
| 522 | fiz2 = _mm_add_ps(fiz2,tz); |
| 523 | |
| 524 | fjx0 = _mm_add_ps(fjx0,tx); |
| 525 | fjy0 = _mm_add_ps(fjy0,ty); |
| 526 | fjz0 = _mm_add_ps(fjz0,tz); |
| 527 | |
| 528 | /************************** |
| 529 | * CALCULATE INTERACTIONS * |
| 530 | **************************/ |
| 531 | |
| 532 | /* COULOMB ELECTROSTATICS */ |
| 533 | velec = _mm_mul_ps(qq21,rinv21); |
| 534 | felec = _mm_mul_ps(velec,rinvsq21); |
| 535 | |
| 536 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 537 | velecsum = _mm_add_ps(velecsum,velec); |
| 538 | |
| 539 | fscal = felec; |
| 540 | |
| 541 | /* Calculate temporary vectorial force */ |
| 542 | tx = _mm_mul_ps(fscal,dx21); |
| 543 | ty = _mm_mul_ps(fscal,dy21); |
| 544 | tz = _mm_mul_ps(fscal,dz21); |
| 545 | |
| 546 | /* Update vectorial force */ |
| 547 | fix2 = _mm_add_ps(fix2,tx); |
| 548 | fiy2 = _mm_add_ps(fiy2,ty); |
| 549 | fiz2 = _mm_add_ps(fiz2,tz); |
| 550 | |
| 551 | fjx1 = _mm_add_ps(fjx1,tx); |
| 552 | fjy1 = _mm_add_ps(fjy1,ty); |
| 553 | fjz1 = _mm_add_ps(fjz1,tz); |
| 554 | |
| 555 | /************************** |
| 556 | * CALCULATE INTERACTIONS * |
| 557 | **************************/ |
| 558 | |
| 559 | /* COULOMB ELECTROSTATICS */ |
| 560 | velec = _mm_mul_ps(qq22,rinv22); |
| 561 | felec = _mm_mul_ps(velec,rinvsq22); |
| 562 | |
| 563 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 564 | velecsum = _mm_add_ps(velecsum,velec); |
| 565 | |
| 566 | fscal = felec; |
| 567 | |
| 568 | /* Calculate temporary vectorial force */ |
| 569 | tx = _mm_mul_ps(fscal,dx22); |
| 570 | ty = _mm_mul_ps(fscal,dy22); |
| 571 | tz = _mm_mul_ps(fscal,dz22); |
| 572 | |
| 573 | /* Update vectorial force */ |
| 574 | fix2 = _mm_add_ps(fix2,tx); |
| 575 | fiy2 = _mm_add_ps(fiy2,ty); |
| 576 | fiz2 = _mm_add_ps(fiz2,tz); |
| 577 | |
| 578 | fjx2 = _mm_add_ps(fjx2,tx); |
| 579 | fjy2 = _mm_add_ps(fjy2,ty); |
| 580 | fjz2 = _mm_add_ps(fjz2,tz); |
| 581 | |
| 582 | fjptrA = f+j_coord_offsetA; |
| 583 | fjptrB = f+j_coord_offsetB; |
| 584 | fjptrC = f+j_coord_offsetC; |
| 585 | fjptrD = f+j_coord_offsetD; |
| 586 | |
| 587 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 588 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 589 | |
| 590 | /* Inner loop uses 287 flops */ |
| 591 | } |
| 592 | |
| 593 | if(jidx<j_index_end) |
| 594 | { |
| 595 | |
| 596 | /* Get j neighbor index, and coordinate index */ |
| 597 | jnrlistA = jjnr[jidx]; |
| 598 | jnrlistB = jjnr[jidx+1]; |
| 599 | jnrlistC = jjnr[jidx+2]; |
| 600 | jnrlistD = jjnr[jidx+3]; |
| 601 | /* Sign of each element will be negative for non-real atoms. |
| 602 | * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones, |
| 603 | * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries. |
| 604 | */ |
| 605 | dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128())); |
| 606 | jnrA = (jnrlistA>=0) ? jnrlistA : 0; |
| 607 | jnrB = (jnrlistB>=0) ? jnrlistB : 0; |
| 608 | jnrC = (jnrlistC>=0) ? jnrlistC : 0; |
| 609 | jnrD = (jnrlistD>=0) ? jnrlistD : 0; |
| 610 | j_coord_offsetA = DIM3*jnrA; |
| 611 | j_coord_offsetB = DIM3*jnrB; |
| 612 | j_coord_offsetC = DIM3*jnrC; |
| 613 | j_coord_offsetD = DIM3*jnrD; |
| 614 | |
| 615 | /* load j atom coordinates */ |
| 616 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 617 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 618 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 619 | |
| 620 | /* Calculate displacement vector */ |
| 621 | dx00 = _mm_sub_ps(ix0,jx0); |
| 622 | dy00 = _mm_sub_ps(iy0,jy0); |
| 623 | dz00 = _mm_sub_ps(iz0,jz0); |
| 624 | dx01 = _mm_sub_ps(ix0,jx1); |
| 625 | dy01 = _mm_sub_ps(iy0,jy1); |
| 626 | dz01 = _mm_sub_ps(iz0,jz1); |
| 627 | dx02 = _mm_sub_ps(ix0,jx2); |
| 628 | dy02 = _mm_sub_ps(iy0,jy2); |
| 629 | dz02 = _mm_sub_ps(iz0,jz2); |
| 630 | dx10 = _mm_sub_ps(ix1,jx0); |
| 631 | dy10 = _mm_sub_ps(iy1,jy0); |
| 632 | dz10 = _mm_sub_ps(iz1,jz0); |
| 633 | dx11 = _mm_sub_ps(ix1,jx1); |
| 634 | dy11 = _mm_sub_ps(iy1,jy1); |
| 635 | dz11 = _mm_sub_ps(iz1,jz1); |
| 636 | dx12 = _mm_sub_ps(ix1,jx2); |
| 637 | dy12 = _mm_sub_ps(iy1,jy2); |
| 638 | dz12 = _mm_sub_ps(iz1,jz2); |
| 639 | dx20 = _mm_sub_ps(ix2,jx0); |
| 640 | dy20 = _mm_sub_ps(iy2,jy0); |
| 641 | dz20 = _mm_sub_ps(iz2,jz0); |
| 642 | dx21 = _mm_sub_ps(ix2,jx1); |
| 643 | dy21 = _mm_sub_ps(iy2,jy1); |
| 644 | dz21 = _mm_sub_ps(iz2,jz1); |
| 645 | dx22 = _mm_sub_ps(ix2,jx2); |
| 646 | dy22 = _mm_sub_ps(iy2,jy2); |
| 647 | dz22 = _mm_sub_ps(iz2,jz2); |
| 648 | |
| 649 | /* Calculate squared distance and things based on it */ |
| 650 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 651 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 652 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 653 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 654 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 655 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 656 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 657 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 658 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 659 | |
| 660 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 661 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 662 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 663 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 664 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 665 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 666 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 667 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 668 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 669 | |
| 670 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 671 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 672 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 673 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 674 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 675 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 676 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 677 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 678 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 679 | |
| 680 | fjx0 = _mm_setzero_ps(); |
| 681 | fjy0 = _mm_setzero_ps(); |
| 682 | fjz0 = _mm_setzero_ps(); |
| 683 | fjx1 = _mm_setzero_ps(); |
| 684 | fjy1 = _mm_setzero_ps(); |
| 685 | fjz1 = _mm_setzero_ps(); |
| 686 | fjx2 = _mm_setzero_ps(); |
| 687 | fjy2 = _mm_setzero_ps(); |
| 688 | fjz2 = _mm_setzero_ps(); |
| 689 | |
| 690 | /************************** |
| 691 | * CALCULATE INTERACTIONS * |
| 692 | **************************/ |
| 693 | |
| 694 | r00 = _mm_mul_ps(rsq00,rinv00); |
| 695 | r00 = _mm_andnot_ps(dummy_mask,r00); |
| 696 | |
| 697 | /* Calculate table index by multiplying r with table scale and truncate to integer */ |
| 698 | rt = _mm_mul_ps(r00,vftabscale); |
| 699 | vfitab = _mm_cvttps_epi32(rt); |
| 700 | vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps ((__v4sf)__X, ((0x00 | 0x01))); })); |
| 701 | vfitab = _mm_slli_epi32(vfitab,3); |
| 702 | |
| 703 | /* COULOMB ELECTROSTATICS */ |
| 704 | velec = _mm_mul_ps(qq00,rinv00); |
| 705 | felec = _mm_mul_ps(velec,rinvsq00); |
| 706 | |
| 707 | /* CUBIC SPLINE TABLE DISPERSION */ |
| 708 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 709 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 710 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 711 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 712 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 713 | Heps = _mm_mul_ps(vfeps,H); |
| 714 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 715 | VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp)); |
| 716 | vvdw6 = _mm_mul_ps(c6_00,VV); |
| 717 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 718 | fvdw6 = _mm_mul_ps(c6_00,FF); |
| 719 | |
| 720 | /* CUBIC SPLINE TABLE REPULSION */ |
| 721 | vfitab = _mm_add_epi32(vfitab,ifour); |
| 722 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 723 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 724 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 725 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 726 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 727 | Heps = _mm_mul_ps(vfeps,H); |
| 728 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 729 | VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp)); |
| 730 | vvdw12 = _mm_mul_ps(c12_00,VV); |
| 731 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 732 | fvdw12 = _mm_mul_ps(c12_00,FF); |
| 733 | vvdw = _mm_add_ps(vvdw12,vvdw6); |
| 734 | fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00))); |
| 735 | |
| 736 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 737 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 738 | velecsum = _mm_add_ps(velecsum,velec); |
| 739 | vvdw = _mm_andnot_ps(dummy_mask,vvdw); |
| 740 | vvdwsum = _mm_add_ps(vvdwsum,vvdw); |
| 741 | |
| 742 | fscal = _mm_add_ps(felec,fvdw); |
| 743 | |
| 744 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 745 | |
| 746 | /* Calculate temporary vectorial force */ |
| 747 | tx = _mm_mul_ps(fscal,dx00); |
| 748 | ty = _mm_mul_ps(fscal,dy00); |
| 749 | tz = _mm_mul_ps(fscal,dz00); |
| 750 | |
| 751 | /* Update vectorial force */ |
| 752 | fix0 = _mm_add_ps(fix0,tx); |
| 753 | fiy0 = _mm_add_ps(fiy0,ty); |
| 754 | fiz0 = _mm_add_ps(fiz0,tz); |
| 755 | |
| 756 | fjx0 = _mm_add_ps(fjx0,tx); |
| 757 | fjy0 = _mm_add_ps(fjy0,ty); |
| 758 | fjz0 = _mm_add_ps(fjz0,tz); |
| 759 | |
| 760 | /************************** |
| 761 | * CALCULATE INTERACTIONS * |
| 762 | **************************/ |
| 763 | |
| 764 | /* COULOMB ELECTROSTATICS */ |
| 765 | velec = _mm_mul_ps(qq01,rinv01); |
| 766 | felec = _mm_mul_ps(velec,rinvsq01); |
| 767 | |
| 768 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 769 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 770 | velecsum = _mm_add_ps(velecsum,velec); |
| 771 | |
| 772 | fscal = felec; |
| 773 | |
| 774 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 775 | |
| 776 | /* Calculate temporary vectorial force */ |
| 777 | tx = _mm_mul_ps(fscal,dx01); |
| 778 | ty = _mm_mul_ps(fscal,dy01); |
| 779 | tz = _mm_mul_ps(fscal,dz01); |
| 780 | |
| 781 | /* Update vectorial force */ |
| 782 | fix0 = _mm_add_ps(fix0,tx); |
| 783 | fiy0 = _mm_add_ps(fiy0,ty); |
| 784 | fiz0 = _mm_add_ps(fiz0,tz); |
| 785 | |
| 786 | fjx1 = _mm_add_ps(fjx1,tx); |
| 787 | fjy1 = _mm_add_ps(fjy1,ty); |
| 788 | fjz1 = _mm_add_ps(fjz1,tz); |
| 789 | |
| 790 | /************************** |
| 791 | * CALCULATE INTERACTIONS * |
| 792 | **************************/ |
| 793 | |
| 794 | /* COULOMB ELECTROSTATICS */ |
| 795 | velec = _mm_mul_ps(qq02,rinv02); |
| 796 | felec = _mm_mul_ps(velec,rinvsq02); |
| 797 | |
| 798 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 799 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 800 | velecsum = _mm_add_ps(velecsum,velec); |
| 801 | |
| 802 | fscal = felec; |
| 803 | |
| 804 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 805 | |
| 806 | /* Calculate temporary vectorial force */ |
| 807 | tx = _mm_mul_ps(fscal,dx02); |
| 808 | ty = _mm_mul_ps(fscal,dy02); |
| 809 | tz = _mm_mul_ps(fscal,dz02); |
| 810 | |
| 811 | /* Update vectorial force */ |
| 812 | fix0 = _mm_add_ps(fix0,tx); |
| 813 | fiy0 = _mm_add_ps(fiy0,ty); |
| 814 | fiz0 = _mm_add_ps(fiz0,tz); |
| 815 | |
| 816 | fjx2 = _mm_add_ps(fjx2,tx); |
| 817 | fjy2 = _mm_add_ps(fjy2,ty); |
| 818 | fjz2 = _mm_add_ps(fjz2,tz); |
| 819 | |
| 820 | /************************** |
| 821 | * CALCULATE INTERACTIONS * |
| 822 | **************************/ |
| 823 | |
| 824 | /* COULOMB ELECTROSTATICS */ |
| 825 | velec = _mm_mul_ps(qq10,rinv10); |
| 826 | felec = _mm_mul_ps(velec,rinvsq10); |
| 827 | |
| 828 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 829 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 830 | velecsum = _mm_add_ps(velecsum,velec); |
| 831 | |
| 832 | fscal = felec; |
| 833 | |
| 834 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 835 | |
| 836 | /* Calculate temporary vectorial force */ |
| 837 | tx = _mm_mul_ps(fscal,dx10); |
| 838 | ty = _mm_mul_ps(fscal,dy10); |
| 839 | tz = _mm_mul_ps(fscal,dz10); |
| 840 | |
| 841 | /* Update vectorial force */ |
| 842 | fix1 = _mm_add_ps(fix1,tx); |
| 843 | fiy1 = _mm_add_ps(fiy1,ty); |
| 844 | fiz1 = _mm_add_ps(fiz1,tz); |
| 845 | |
| 846 | fjx0 = _mm_add_ps(fjx0,tx); |
| 847 | fjy0 = _mm_add_ps(fjy0,ty); |
| 848 | fjz0 = _mm_add_ps(fjz0,tz); |
| 849 | |
| 850 | /************************** |
| 851 | * CALCULATE INTERACTIONS * |
| 852 | **************************/ |
| 853 | |
| 854 | /* COULOMB ELECTROSTATICS */ |
| 855 | velec = _mm_mul_ps(qq11,rinv11); |
| 856 | felec = _mm_mul_ps(velec,rinvsq11); |
| 857 | |
| 858 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 859 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 860 | velecsum = _mm_add_ps(velecsum,velec); |
| 861 | |
| 862 | fscal = felec; |
| 863 | |
| 864 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 865 | |
| 866 | /* Calculate temporary vectorial force */ |
| 867 | tx = _mm_mul_ps(fscal,dx11); |
| 868 | ty = _mm_mul_ps(fscal,dy11); |
| 869 | tz = _mm_mul_ps(fscal,dz11); |
| 870 | |
| 871 | /* Update vectorial force */ |
| 872 | fix1 = _mm_add_ps(fix1,tx); |
| 873 | fiy1 = _mm_add_ps(fiy1,ty); |
| 874 | fiz1 = _mm_add_ps(fiz1,tz); |
| 875 | |
| 876 | fjx1 = _mm_add_ps(fjx1,tx); |
| 877 | fjy1 = _mm_add_ps(fjy1,ty); |
| 878 | fjz1 = _mm_add_ps(fjz1,tz); |
| 879 | |
| 880 | /************************** |
| 881 | * CALCULATE INTERACTIONS * |
| 882 | **************************/ |
| 883 | |
| 884 | /* COULOMB ELECTROSTATICS */ |
| 885 | velec = _mm_mul_ps(qq12,rinv12); |
| 886 | felec = _mm_mul_ps(velec,rinvsq12); |
| 887 | |
| 888 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 889 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 890 | velecsum = _mm_add_ps(velecsum,velec); |
| 891 | |
| 892 | fscal = felec; |
| 893 | |
| 894 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 895 | |
| 896 | /* Calculate temporary vectorial force */ |
| 897 | tx = _mm_mul_ps(fscal,dx12); |
| 898 | ty = _mm_mul_ps(fscal,dy12); |
| 899 | tz = _mm_mul_ps(fscal,dz12); |
| 900 | |
| 901 | /* Update vectorial force */ |
| 902 | fix1 = _mm_add_ps(fix1,tx); |
| 903 | fiy1 = _mm_add_ps(fiy1,ty); |
| 904 | fiz1 = _mm_add_ps(fiz1,tz); |
| 905 | |
| 906 | fjx2 = _mm_add_ps(fjx2,tx); |
| 907 | fjy2 = _mm_add_ps(fjy2,ty); |
| 908 | fjz2 = _mm_add_ps(fjz2,tz); |
| 909 | |
| 910 | /************************** |
| 911 | * CALCULATE INTERACTIONS * |
| 912 | **************************/ |
| 913 | |
| 914 | /* COULOMB ELECTROSTATICS */ |
| 915 | velec = _mm_mul_ps(qq20,rinv20); |
| 916 | felec = _mm_mul_ps(velec,rinvsq20); |
| 917 | |
| 918 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 919 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 920 | velecsum = _mm_add_ps(velecsum,velec); |
| 921 | |
| 922 | fscal = felec; |
| 923 | |
| 924 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 925 | |
| 926 | /* Calculate temporary vectorial force */ |
| 927 | tx = _mm_mul_ps(fscal,dx20); |
| 928 | ty = _mm_mul_ps(fscal,dy20); |
| 929 | tz = _mm_mul_ps(fscal,dz20); |
| 930 | |
| 931 | /* Update vectorial force */ |
| 932 | fix2 = _mm_add_ps(fix2,tx); |
| 933 | fiy2 = _mm_add_ps(fiy2,ty); |
| 934 | fiz2 = _mm_add_ps(fiz2,tz); |
| 935 | |
| 936 | fjx0 = _mm_add_ps(fjx0,tx); |
| 937 | fjy0 = _mm_add_ps(fjy0,ty); |
| 938 | fjz0 = _mm_add_ps(fjz0,tz); |
| 939 | |
| 940 | /************************** |
| 941 | * CALCULATE INTERACTIONS * |
| 942 | **************************/ |
| 943 | |
| 944 | /* COULOMB ELECTROSTATICS */ |
| 945 | velec = _mm_mul_ps(qq21,rinv21); |
| 946 | felec = _mm_mul_ps(velec,rinvsq21); |
| 947 | |
| 948 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 949 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 950 | velecsum = _mm_add_ps(velecsum,velec); |
| 951 | |
| 952 | fscal = felec; |
| 953 | |
| 954 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 955 | |
| 956 | /* Calculate temporary vectorial force */ |
| 957 | tx = _mm_mul_ps(fscal,dx21); |
| 958 | ty = _mm_mul_ps(fscal,dy21); |
| 959 | tz = _mm_mul_ps(fscal,dz21); |
| 960 | |
| 961 | /* Update vectorial force */ |
| 962 | fix2 = _mm_add_ps(fix2,tx); |
| 963 | fiy2 = _mm_add_ps(fiy2,ty); |
| 964 | fiz2 = _mm_add_ps(fiz2,tz); |
| 965 | |
| 966 | fjx1 = _mm_add_ps(fjx1,tx); |
| 967 | fjy1 = _mm_add_ps(fjy1,ty); |
| 968 | fjz1 = _mm_add_ps(fjz1,tz); |
| 969 | |
| 970 | /************************** |
| 971 | * CALCULATE INTERACTIONS * |
| 972 | **************************/ |
| 973 | |
| 974 | /* COULOMB ELECTROSTATICS */ |
| 975 | velec = _mm_mul_ps(qq22,rinv22); |
| 976 | felec = _mm_mul_ps(velec,rinvsq22); |
| 977 | |
| 978 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 979 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 980 | velecsum = _mm_add_ps(velecsum,velec); |
| 981 | |
| 982 | fscal = felec; |
| 983 | |
| 984 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 985 | |
| 986 | /* Calculate temporary vectorial force */ |
| 987 | tx = _mm_mul_ps(fscal,dx22); |
| 988 | ty = _mm_mul_ps(fscal,dy22); |
| 989 | tz = _mm_mul_ps(fscal,dz22); |
| 990 | |
| 991 | /* Update vectorial force */ |
| 992 | fix2 = _mm_add_ps(fix2,tx); |
| 993 | fiy2 = _mm_add_ps(fiy2,ty); |
| 994 | fiz2 = _mm_add_ps(fiz2,tz); |
| 995 | |
| 996 | fjx2 = _mm_add_ps(fjx2,tx); |
| 997 | fjy2 = _mm_add_ps(fjy2,ty); |
| 998 | fjz2 = _mm_add_ps(fjz2,tz); |
| 999 | |
| 1000 | fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch; |
| 1001 | fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch; |
| 1002 | fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch; |
| 1003 | fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch; |
| 1004 | |
| 1005 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 1006 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 1007 | |
| 1008 | /* Inner loop uses 288 flops */ |
| 1009 | } |
| 1010 | |
| 1011 | /* End of innermost loop */ |
| 1012 | |
| 1013 | gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2, |
| 1014 | f+i_coord_offset,fshift+i_shift_offset); |
| 1015 | |
| 1016 | ggid = gid[iidx]; |
| 1017 | /* Update potential energies */ |
| 1018 | gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid); |
| 1019 | gmx_mm_update_1pot_ps(vvdwsum,kernel_data->energygrp_vdw+ggid); |
| 1020 | |
| 1021 | /* Increment number of inner iterations */ |
| 1022 | inneriter += j_index_end - j_index_start; |
| 1023 | |
| 1024 | /* Outer loop uses 20 flops */ |
| 1025 | } |
| 1026 | |
| 1027 | /* Increment number of outer iterations */ |
| 1028 | outeriter += nri; |
| 1029 | |
| 1030 | /* Update outer/inner flops */ |
| 1031 | |
| 1032 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_VF,outeriter*20 + inneriter*288)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_VF] += outeriter*20 + inneriter*288; |
| 1033 | } |
| 1034 | /* |
| 1035 | * Gromacs nonbonded kernel: nb_kernel_ElecCoul_VdwCSTab_GeomW3W3_F_sse4_1_single |
| 1036 | * Electrostatics interaction: Coulomb |
| 1037 | * VdW interaction: CubicSplineTable |
| 1038 | * Geometry: Water3-Water3 |
| 1039 | * Calculate force/pot: Force |
| 1040 | */ |
| 1041 | void |
| 1042 | nb_kernel_ElecCoul_VdwCSTab_GeomW3W3_F_sse4_1_single |
| 1043 | (t_nblist * gmx_restrict nlist, |
| 1044 | rvec * gmx_restrict xx, |
| 1045 | rvec * gmx_restrict ff, |
| 1046 | t_forcerec * gmx_restrict fr, |
| 1047 | t_mdatoms * gmx_restrict mdatoms, |
| 1048 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data, |
| 1049 | t_nrnb * gmx_restrict nrnb) |
| 1050 | { |
| 1051 | /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or |
| 1052 | * just 0 for non-waters. |
| 1053 | * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different |
| 1054 | * jnr indices corresponding to data put in the four positions in the SIMD register. |
| 1055 | */ |
| 1056 | int i_shift_offset,i_coord_offset,outeriter,inneriter; |
| 1057 | int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx; |
| 1058 | int jnrA,jnrB,jnrC,jnrD; |
| 1059 | int jnrlistA,jnrlistB,jnrlistC,jnrlistD; |
| 1060 | int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD; |
| 1061 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
| 1062 | real rcutoff_scalar; |
| 1063 | real *shiftvec,*fshift,*x,*f; |
| 1064 | real *fjptrA,*fjptrB,*fjptrC,*fjptrD; |
| 1065 | real scratch[4*DIM3]; |
| 1066 | __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall; |
| 1067 | int vdwioffset0; |
| 1068 | __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0; |
| 1069 | int vdwioffset1; |
| 1070 | __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
| 1071 | int vdwioffset2; |
| 1072 | __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
| 1073 | int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D; |
| 1074 | __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0; |
| 1075 | int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D; |
| 1076 | __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1; |
| 1077 | int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D; |
| 1078 | __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2; |
| 1079 | __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00; |
| 1080 | __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01; |
| 1081 | __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02; |
| 1082 | __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10; |
| 1083 | __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11; |
| 1084 | __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12; |
| 1085 | __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20; |
| 1086 | __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21; |
| 1087 | __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22; |
| 1088 | __m128 velec,felec,velecsum,facel,crf,krf,krf2; |
| 1089 | real *charge; |
| 1090 | int nvdwtype; |
| 1091 | __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6; |
| 1092 | int *vdwtype; |
| 1093 | real *vdwparam; |
| 1094 | __m128 one_sixth = _mm_set1_ps(1.0/6.0); |
| 1095 | __m128 one_twelfth = _mm_set1_ps(1.0/12.0); |
| 1096 | __m128i vfitab; |
| 1097 | __m128i ifour = _mm_set1_epi32(4); |
| 1098 | __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF; |
| 1099 | real *vftab; |
| 1100 | __m128 dummy_mask,cutoff_mask; |
| 1101 | __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) ); |
| 1102 | __m128 one = _mm_set1_ps(1.0); |
| 1103 | __m128 two = _mm_set1_ps(2.0); |
| 1104 | x = xx[0]; |
| 1105 | f = ff[0]; |
| 1106 | |
| 1107 | nri = nlist->nri; |
| 1108 | iinr = nlist->iinr; |
| 1109 | jindex = nlist->jindex; |
| 1110 | jjnr = nlist->jjnr; |
| 1111 | shiftidx = nlist->shift; |
| 1112 | gid = nlist->gid; |
| 1113 | shiftvec = fr->shift_vec[0]; |
| 1114 | fshift = fr->fshift[0]; |
| 1115 | facel = _mm_set1_ps(fr->epsfac); |
| 1116 | charge = mdatoms->chargeA; |
| 1117 | nvdwtype = fr->ntype; |
| 1118 | vdwparam = fr->nbfp; |
| 1119 | vdwtype = mdatoms->typeA; |
| 1120 | |
| 1121 | vftab = kernel_data->table_vdw->data; |
| 1122 | vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale); |
| 1123 | |
| 1124 | /* Setup water-specific parameters */ |
| 1125 | inr = nlist->iinr[0]; |
| 1126 | iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0])); |
| 1127 | iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1])); |
| 1128 | iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2])); |
| 1129 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
| 1130 | |
| 1131 | jq0 = _mm_set1_ps(charge[inr+0]); |
| 1132 | jq1 = _mm_set1_ps(charge[inr+1]); |
| 1133 | jq2 = _mm_set1_ps(charge[inr+2]); |
| 1134 | vdwjidx0A = 2*vdwtype[inr+0]; |
| 1135 | qq00 = _mm_mul_ps(iq0,jq0); |
| 1136 | c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]); |
| 1137 | c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]); |
| 1138 | qq01 = _mm_mul_ps(iq0,jq1); |
| 1139 | qq02 = _mm_mul_ps(iq0,jq2); |
| 1140 | qq10 = _mm_mul_ps(iq1,jq0); |
| 1141 | qq11 = _mm_mul_ps(iq1,jq1); |
| 1142 | qq12 = _mm_mul_ps(iq1,jq2); |
| 1143 | qq20 = _mm_mul_ps(iq2,jq0); |
| 1144 | qq21 = _mm_mul_ps(iq2,jq1); |
| 1145 | qq22 = _mm_mul_ps(iq2,jq2); |
| 1146 | |
| 1147 | /* Avoid stupid compiler warnings */ |
| 1148 | jnrA = jnrB = jnrC = jnrD = 0; |
| 1149 | j_coord_offsetA = 0; |
Value stored to 'j_coord_offsetA' is never read | |
| 1150 | j_coord_offsetB = 0; |
| 1151 | j_coord_offsetC = 0; |
| 1152 | j_coord_offsetD = 0; |
| 1153 | |
| 1154 | outeriter = 0; |
| 1155 | inneriter = 0; |
| 1156 | |
| 1157 | for(iidx=0;iidx<4*DIM3;iidx++) |
| 1158 | { |
| 1159 | scratch[iidx] = 0.0; |
| 1160 | } |
| 1161 | |
| 1162 | /* Start outer loop over neighborlists */ |
| 1163 | for(iidx=0; iidx<nri; iidx++) |
| 1164 | { |
| 1165 | /* Load shift vector for this list */ |
| 1166 | i_shift_offset = DIM3*shiftidx[iidx]; |
| 1167 | |
| 1168 | /* Load limits for loop over neighbors */ |
| 1169 | j_index_start = jindex[iidx]; |
| 1170 | j_index_end = jindex[iidx+1]; |
| 1171 | |
| 1172 | /* Get outer coordinate index */ |
| 1173 | inr = iinr[iidx]; |
| 1174 | i_coord_offset = DIM3*inr; |
| 1175 | |
| 1176 | /* Load i particle coords and add shift vector */ |
| 1177 | gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset, |
| 1178 | &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2); |
| 1179 | |
| 1180 | fix0 = _mm_setzero_ps(); |
| 1181 | fiy0 = _mm_setzero_ps(); |
| 1182 | fiz0 = _mm_setzero_ps(); |
| 1183 | fix1 = _mm_setzero_ps(); |
| 1184 | fiy1 = _mm_setzero_ps(); |
| 1185 | fiz1 = _mm_setzero_ps(); |
| 1186 | fix2 = _mm_setzero_ps(); |
| 1187 | fiy2 = _mm_setzero_ps(); |
| 1188 | fiz2 = _mm_setzero_ps(); |
| 1189 | |
| 1190 | /* Start inner kernel loop */ |
| 1191 | for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4) |
| 1192 | { |
| 1193 | |
| 1194 | /* Get j neighbor index, and coordinate index */ |
| 1195 | jnrA = jjnr[jidx]; |
| 1196 | jnrB = jjnr[jidx+1]; |
| 1197 | jnrC = jjnr[jidx+2]; |
| 1198 | jnrD = jjnr[jidx+3]; |
| 1199 | j_coord_offsetA = DIM3*jnrA; |
| 1200 | j_coord_offsetB = DIM3*jnrB; |
| 1201 | j_coord_offsetC = DIM3*jnrC; |
| 1202 | j_coord_offsetD = DIM3*jnrD; |
| 1203 | |
| 1204 | /* load j atom coordinates */ |
| 1205 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 1206 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 1207 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 1208 | |
| 1209 | /* Calculate displacement vector */ |
| 1210 | dx00 = _mm_sub_ps(ix0,jx0); |
| 1211 | dy00 = _mm_sub_ps(iy0,jy0); |
| 1212 | dz00 = _mm_sub_ps(iz0,jz0); |
| 1213 | dx01 = _mm_sub_ps(ix0,jx1); |
| 1214 | dy01 = _mm_sub_ps(iy0,jy1); |
| 1215 | dz01 = _mm_sub_ps(iz0,jz1); |
| 1216 | dx02 = _mm_sub_ps(ix0,jx2); |
| 1217 | dy02 = _mm_sub_ps(iy0,jy2); |
| 1218 | dz02 = _mm_sub_ps(iz0,jz2); |
| 1219 | dx10 = _mm_sub_ps(ix1,jx0); |
| 1220 | dy10 = _mm_sub_ps(iy1,jy0); |
| 1221 | dz10 = _mm_sub_ps(iz1,jz0); |
| 1222 | dx11 = _mm_sub_ps(ix1,jx1); |
| 1223 | dy11 = _mm_sub_ps(iy1,jy1); |
| 1224 | dz11 = _mm_sub_ps(iz1,jz1); |
| 1225 | dx12 = _mm_sub_ps(ix1,jx2); |
| 1226 | dy12 = _mm_sub_ps(iy1,jy2); |
| 1227 | dz12 = _mm_sub_ps(iz1,jz2); |
| 1228 | dx20 = _mm_sub_ps(ix2,jx0); |
| 1229 | dy20 = _mm_sub_ps(iy2,jy0); |
| 1230 | dz20 = _mm_sub_ps(iz2,jz0); |
| 1231 | dx21 = _mm_sub_ps(ix2,jx1); |
| 1232 | dy21 = _mm_sub_ps(iy2,jy1); |
| 1233 | dz21 = _mm_sub_ps(iz2,jz1); |
| 1234 | dx22 = _mm_sub_ps(ix2,jx2); |
| 1235 | dy22 = _mm_sub_ps(iy2,jy2); |
| 1236 | dz22 = _mm_sub_ps(iz2,jz2); |
| 1237 | |
| 1238 | /* Calculate squared distance and things based on it */ |
| 1239 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 1240 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 1241 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 1242 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 1243 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 1244 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 1245 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 1246 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 1247 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 1248 | |
| 1249 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 1250 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 1251 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 1252 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 1253 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 1254 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 1255 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 1256 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 1257 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 1258 | |
| 1259 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 1260 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 1261 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 1262 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 1263 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 1264 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 1265 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 1266 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 1267 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 1268 | |
| 1269 | fjx0 = _mm_setzero_ps(); |
| 1270 | fjy0 = _mm_setzero_ps(); |
| 1271 | fjz0 = _mm_setzero_ps(); |
| 1272 | fjx1 = _mm_setzero_ps(); |
| 1273 | fjy1 = _mm_setzero_ps(); |
| 1274 | fjz1 = _mm_setzero_ps(); |
| 1275 | fjx2 = _mm_setzero_ps(); |
| 1276 | fjy2 = _mm_setzero_ps(); |
| 1277 | fjz2 = _mm_setzero_ps(); |
| 1278 | |
| 1279 | /************************** |
| 1280 | * CALCULATE INTERACTIONS * |
| 1281 | **************************/ |
| 1282 | |
| 1283 | r00 = _mm_mul_ps(rsq00,rinv00); |
| 1284 | |
| 1285 | /* Calculate table index by multiplying r with table scale and truncate to integer */ |
| 1286 | rt = _mm_mul_ps(r00,vftabscale); |
| 1287 | vfitab = _mm_cvttps_epi32(rt); |
| 1288 | vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps ((__v4sf)__X, ((0x00 | 0x01))); })); |
| 1289 | vfitab = _mm_slli_epi32(vfitab,3); |
| 1290 | |
| 1291 | /* COULOMB ELECTROSTATICS */ |
| 1292 | velec = _mm_mul_ps(qq00,rinv00); |
| 1293 | felec = _mm_mul_ps(velec,rinvsq00); |
| 1294 | |
| 1295 | /* CUBIC SPLINE TABLE DISPERSION */ |
| 1296 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 1297 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 1298 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 1299 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 1300 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 1301 | Heps = _mm_mul_ps(vfeps,H); |
| 1302 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 1303 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 1304 | fvdw6 = _mm_mul_ps(c6_00,FF); |
| 1305 | |
| 1306 | /* CUBIC SPLINE TABLE REPULSION */ |
| 1307 | vfitab = _mm_add_epi32(vfitab,ifour); |
| 1308 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 1309 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 1310 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 1311 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 1312 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 1313 | Heps = _mm_mul_ps(vfeps,H); |
| 1314 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 1315 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 1316 | fvdw12 = _mm_mul_ps(c12_00,FF); |
| 1317 | fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00))); |
| 1318 | |
| 1319 | fscal = _mm_add_ps(felec,fvdw); |
| 1320 | |
| 1321 | /* Calculate temporary vectorial force */ |
| 1322 | tx = _mm_mul_ps(fscal,dx00); |
| 1323 | ty = _mm_mul_ps(fscal,dy00); |
| 1324 | tz = _mm_mul_ps(fscal,dz00); |
| 1325 | |
| 1326 | /* Update vectorial force */ |
| 1327 | fix0 = _mm_add_ps(fix0,tx); |
| 1328 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1329 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1330 | |
| 1331 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1332 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1333 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1334 | |
| 1335 | /************************** |
| 1336 | * CALCULATE INTERACTIONS * |
| 1337 | **************************/ |
| 1338 | |
| 1339 | /* COULOMB ELECTROSTATICS */ |
| 1340 | velec = _mm_mul_ps(qq01,rinv01); |
| 1341 | felec = _mm_mul_ps(velec,rinvsq01); |
| 1342 | |
| 1343 | fscal = felec; |
| 1344 | |
| 1345 | /* Calculate temporary vectorial force */ |
| 1346 | tx = _mm_mul_ps(fscal,dx01); |
| 1347 | ty = _mm_mul_ps(fscal,dy01); |
| 1348 | tz = _mm_mul_ps(fscal,dz01); |
| 1349 | |
| 1350 | /* Update vectorial force */ |
| 1351 | fix0 = _mm_add_ps(fix0,tx); |
| 1352 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1353 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1354 | |
| 1355 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1356 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1357 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1358 | |
| 1359 | /************************** |
| 1360 | * CALCULATE INTERACTIONS * |
| 1361 | **************************/ |
| 1362 | |
| 1363 | /* COULOMB ELECTROSTATICS */ |
| 1364 | velec = _mm_mul_ps(qq02,rinv02); |
| 1365 | felec = _mm_mul_ps(velec,rinvsq02); |
| 1366 | |
| 1367 | fscal = felec; |
| 1368 | |
| 1369 | /* Calculate temporary vectorial force */ |
| 1370 | tx = _mm_mul_ps(fscal,dx02); |
| 1371 | ty = _mm_mul_ps(fscal,dy02); |
| 1372 | tz = _mm_mul_ps(fscal,dz02); |
| 1373 | |
| 1374 | /* Update vectorial force */ |
| 1375 | fix0 = _mm_add_ps(fix0,tx); |
| 1376 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1377 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1378 | |
| 1379 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1380 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1381 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1382 | |
| 1383 | /************************** |
| 1384 | * CALCULATE INTERACTIONS * |
| 1385 | **************************/ |
| 1386 | |
| 1387 | /* COULOMB ELECTROSTATICS */ |
| 1388 | velec = _mm_mul_ps(qq10,rinv10); |
| 1389 | felec = _mm_mul_ps(velec,rinvsq10); |
| 1390 | |
| 1391 | fscal = felec; |
| 1392 | |
| 1393 | /* Calculate temporary vectorial force */ |
| 1394 | tx = _mm_mul_ps(fscal,dx10); |
| 1395 | ty = _mm_mul_ps(fscal,dy10); |
| 1396 | tz = _mm_mul_ps(fscal,dz10); |
| 1397 | |
| 1398 | /* Update vectorial force */ |
| 1399 | fix1 = _mm_add_ps(fix1,tx); |
| 1400 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1401 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1402 | |
| 1403 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1404 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1405 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1406 | |
| 1407 | /************************** |
| 1408 | * CALCULATE INTERACTIONS * |
| 1409 | **************************/ |
| 1410 | |
| 1411 | /* COULOMB ELECTROSTATICS */ |
| 1412 | velec = _mm_mul_ps(qq11,rinv11); |
| 1413 | felec = _mm_mul_ps(velec,rinvsq11); |
| 1414 | |
| 1415 | fscal = felec; |
| 1416 | |
| 1417 | /* Calculate temporary vectorial force */ |
| 1418 | tx = _mm_mul_ps(fscal,dx11); |
| 1419 | ty = _mm_mul_ps(fscal,dy11); |
| 1420 | tz = _mm_mul_ps(fscal,dz11); |
| 1421 | |
| 1422 | /* Update vectorial force */ |
| 1423 | fix1 = _mm_add_ps(fix1,tx); |
| 1424 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1425 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1426 | |
| 1427 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1428 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1429 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1430 | |
| 1431 | /************************** |
| 1432 | * CALCULATE INTERACTIONS * |
| 1433 | **************************/ |
| 1434 | |
| 1435 | /* COULOMB ELECTROSTATICS */ |
| 1436 | velec = _mm_mul_ps(qq12,rinv12); |
| 1437 | felec = _mm_mul_ps(velec,rinvsq12); |
| 1438 | |
| 1439 | fscal = felec; |
| 1440 | |
| 1441 | /* Calculate temporary vectorial force */ |
| 1442 | tx = _mm_mul_ps(fscal,dx12); |
| 1443 | ty = _mm_mul_ps(fscal,dy12); |
| 1444 | tz = _mm_mul_ps(fscal,dz12); |
| 1445 | |
| 1446 | /* Update vectorial force */ |
| 1447 | fix1 = _mm_add_ps(fix1,tx); |
| 1448 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1449 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1450 | |
| 1451 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1452 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1453 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1454 | |
| 1455 | /************************** |
| 1456 | * CALCULATE INTERACTIONS * |
| 1457 | **************************/ |
| 1458 | |
| 1459 | /* COULOMB ELECTROSTATICS */ |
| 1460 | velec = _mm_mul_ps(qq20,rinv20); |
| 1461 | felec = _mm_mul_ps(velec,rinvsq20); |
| 1462 | |
| 1463 | fscal = felec; |
| 1464 | |
| 1465 | /* Calculate temporary vectorial force */ |
| 1466 | tx = _mm_mul_ps(fscal,dx20); |
| 1467 | ty = _mm_mul_ps(fscal,dy20); |
| 1468 | tz = _mm_mul_ps(fscal,dz20); |
| 1469 | |
| 1470 | /* Update vectorial force */ |
| 1471 | fix2 = _mm_add_ps(fix2,tx); |
| 1472 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1473 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1474 | |
| 1475 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1476 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1477 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1478 | |
| 1479 | /************************** |
| 1480 | * CALCULATE INTERACTIONS * |
| 1481 | **************************/ |
| 1482 | |
| 1483 | /* COULOMB ELECTROSTATICS */ |
| 1484 | velec = _mm_mul_ps(qq21,rinv21); |
| 1485 | felec = _mm_mul_ps(velec,rinvsq21); |
| 1486 | |
| 1487 | fscal = felec; |
| 1488 | |
| 1489 | /* Calculate temporary vectorial force */ |
| 1490 | tx = _mm_mul_ps(fscal,dx21); |
| 1491 | ty = _mm_mul_ps(fscal,dy21); |
| 1492 | tz = _mm_mul_ps(fscal,dz21); |
| 1493 | |
| 1494 | /* Update vectorial force */ |
| 1495 | fix2 = _mm_add_ps(fix2,tx); |
| 1496 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1497 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1498 | |
| 1499 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1500 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1501 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1502 | |
| 1503 | /************************** |
| 1504 | * CALCULATE INTERACTIONS * |
| 1505 | **************************/ |
| 1506 | |
| 1507 | /* COULOMB ELECTROSTATICS */ |
| 1508 | velec = _mm_mul_ps(qq22,rinv22); |
| 1509 | felec = _mm_mul_ps(velec,rinvsq22); |
| 1510 | |
| 1511 | fscal = felec; |
| 1512 | |
| 1513 | /* Calculate temporary vectorial force */ |
| 1514 | tx = _mm_mul_ps(fscal,dx22); |
| 1515 | ty = _mm_mul_ps(fscal,dy22); |
| 1516 | tz = _mm_mul_ps(fscal,dz22); |
| 1517 | |
| 1518 | /* Update vectorial force */ |
| 1519 | fix2 = _mm_add_ps(fix2,tx); |
| 1520 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1521 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1522 | |
| 1523 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1524 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1525 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1526 | |
| 1527 | fjptrA = f+j_coord_offsetA; |
| 1528 | fjptrB = f+j_coord_offsetB; |
| 1529 | fjptrC = f+j_coord_offsetC; |
| 1530 | fjptrD = f+j_coord_offsetD; |
| 1531 | |
| 1532 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 1533 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 1534 | |
| 1535 | /* Inner loop uses 270 flops */ |
| 1536 | } |
| 1537 | |
| 1538 | if(jidx<j_index_end) |
| 1539 | { |
| 1540 | |
| 1541 | /* Get j neighbor index, and coordinate index */ |
| 1542 | jnrlistA = jjnr[jidx]; |
| 1543 | jnrlistB = jjnr[jidx+1]; |
| 1544 | jnrlistC = jjnr[jidx+2]; |
| 1545 | jnrlistD = jjnr[jidx+3]; |
| 1546 | /* Sign of each element will be negative for non-real atoms. |
| 1547 | * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones, |
| 1548 | * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries. |
| 1549 | */ |
| 1550 | dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128())); |
| 1551 | jnrA = (jnrlistA>=0) ? jnrlistA : 0; |
| 1552 | jnrB = (jnrlistB>=0) ? jnrlistB : 0; |
| 1553 | jnrC = (jnrlistC>=0) ? jnrlistC : 0; |
| 1554 | jnrD = (jnrlistD>=0) ? jnrlistD : 0; |
| 1555 | j_coord_offsetA = DIM3*jnrA; |
| 1556 | j_coord_offsetB = DIM3*jnrB; |
| 1557 | j_coord_offsetC = DIM3*jnrC; |
| 1558 | j_coord_offsetD = DIM3*jnrD; |
| 1559 | |
| 1560 | /* load j atom coordinates */ |
| 1561 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 1562 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 1563 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 1564 | |
| 1565 | /* Calculate displacement vector */ |
| 1566 | dx00 = _mm_sub_ps(ix0,jx0); |
| 1567 | dy00 = _mm_sub_ps(iy0,jy0); |
| 1568 | dz00 = _mm_sub_ps(iz0,jz0); |
| 1569 | dx01 = _mm_sub_ps(ix0,jx1); |
| 1570 | dy01 = _mm_sub_ps(iy0,jy1); |
| 1571 | dz01 = _mm_sub_ps(iz0,jz1); |
| 1572 | dx02 = _mm_sub_ps(ix0,jx2); |
| 1573 | dy02 = _mm_sub_ps(iy0,jy2); |
| 1574 | dz02 = _mm_sub_ps(iz0,jz2); |
| 1575 | dx10 = _mm_sub_ps(ix1,jx0); |
| 1576 | dy10 = _mm_sub_ps(iy1,jy0); |
| 1577 | dz10 = _mm_sub_ps(iz1,jz0); |
| 1578 | dx11 = _mm_sub_ps(ix1,jx1); |
| 1579 | dy11 = _mm_sub_ps(iy1,jy1); |
| 1580 | dz11 = _mm_sub_ps(iz1,jz1); |
| 1581 | dx12 = _mm_sub_ps(ix1,jx2); |
| 1582 | dy12 = _mm_sub_ps(iy1,jy2); |
| 1583 | dz12 = _mm_sub_ps(iz1,jz2); |
| 1584 | dx20 = _mm_sub_ps(ix2,jx0); |
| 1585 | dy20 = _mm_sub_ps(iy2,jy0); |
| 1586 | dz20 = _mm_sub_ps(iz2,jz0); |
| 1587 | dx21 = _mm_sub_ps(ix2,jx1); |
| 1588 | dy21 = _mm_sub_ps(iy2,jy1); |
| 1589 | dz21 = _mm_sub_ps(iz2,jz1); |
| 1590 | dx22 = _mm_sub_ps(ix2,jx2); |
| 1591 | dy22 = _mm_sub_ps(iy2,jy2); |
| 1592 | dz22 = _mm_sub_ps(iz2,jz2); |
| 1593 | |
| 1594 | /* Calculate squared distance and things based on it */ |
| 1595 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 1596 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 1597 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 1598 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 1599 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 1600 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 1601 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 1602 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 1603 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 1604 | |
| 1605 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 1606 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 1607 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 1608 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 1609 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 1610 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 1611 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 1612 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 1613 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 1614 | |
| 1615 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 1616 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 1617 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 1618 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 1619 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 1620 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 1621 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 1622 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 1623 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 1624 | |
| 1625 | fjx0 = _mm_setzero_ps(); |
| 1626 | fjy0 = _mm_setzero_ps(); |
| 1627 | fjz0 = _mm_setzero_ps(); |
| 1628 | fjx1 = _mm_setzero_ps(); |
| 1629 | fjy1 = _mm_setzero_ps(); |
| 1630 | fjz1 = _mm_setzero_ps(); |
| 1631 | fjx2 = _mm_setzero_ps(); |
| 1632 | fjy2 = _mm_setzero_ps(); |
| 1633 | fjz2 = _mm_setzero_ps(); |
| 1634 | |
| 1635 | /************************** |
| 1636 | * CALCULATE INTERACTIONS * |
| 1637 | **************************/ |
| 1638 | |
| 1639 | r00 = _mm_mul_ps(rsq00,rinv00); |
| 1640 | r00 = _mm_andnot_ps(dummy_mask,r00); |
| 1641 | |
| 1642 | /* Calculate table index by multiplying r with table scale and truncate to integer */ |
| 1643 | rt = _mm_mul_ps(r00,vftabscale); |
| 1644 | vfitab = _mm_cvttps_epi32(rt); |
| 1645 | vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps ((__v4sf)__X, ((0x00 | 0x01))); })); |
| 1646 | vfitab = _mm_slli_epi32(vfitab,3); |
| 1647 | |
| 1648 | /* COULOMB ELECTROSTATICS */ |
| 1649 | velec = _mm_mul_ps(qq00,rinv00); |
| 1650 | felec = _mm_mul_ps(velec,rinvsq00); |
| 1651 | |
| 1652 | /* CUBIC SPLINE TABLE DISPERSION */ |
| 1653 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 1654 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 1655 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 1656 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 1657 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 1658 | Heps = _mm_mul_ps(vfeps,H); |
| 1659 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 1660 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 1661 | fvdw6 = _mm_mul_ps(c6_00,FF); |
| 1662 | |
| 1663 | /* CUBIC SPLINE TABLE REPULSION */ |
| 1664 | vfitab = _mm_add_epi32(vfitab,ifour); |
| 1665 | Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) & 3];})) ); |
| 1666 | F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) & 3];})) ); |
| 1667 | G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) & 3];})) ); |
| 1668 | H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) & 3];})) ); |
| 1669 | _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y ), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps ((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps (tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps (tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0); |
| 1670 | Heps = _mm_mul_ps(vfeps,H); |
| 1671 | Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps))); |
| 1672 | FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps)))); |
| 1673 | fvdw12 = _mm_mul_ps(c12_00,FF); |
| 1674 | fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00))); |
| 1675 | |
| 1676 | fscal = _mm_add_ps(felec,fvdw); |
| 1677 | |
| 1678 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1679 | |
| 1680 | /* Calculate temporary vectorial force */ |
| 1681 | tx = _mm_mul_ps(fscal,dx00); |
| 1682 | ty = _mm_mul_ps(fscal,dy00); |
| 1683 | tz = _mm_mul_ps(fscal,dz00); |
| 1684 | |
| 1685 | /* Update vectorial force */ |
| 1686 | fix0 = _mm_add_ps(fix0,tx); |
| 1687 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1688 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1689 | |
| 1690 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1691 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1692 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1693 | |
| 1694 | /************************** |
| 1695 | * CALCULATE INTERACTIONS * |
| 1696 | **************************/ |
| 1697 | |
| 1698 | /* COULOMB ELECTROSTATICS */ |
| 1699 | velec = _mm_mul_ps(qq01,rinv01); |
| 1700 | felec = _mm_mul_ps(velec,rinvsq01); |
| 1701 | |
| 1702 | fscal = felec; |
| 1703 | |
| 1704 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1705 | |
| 1706 | /* Calculate temporary vectorial force */ |
| 1707 | tx = _mm_mul_ps(fscal,dx01); |
| 1708 | ty = _mm_mul_ps(fscal,dy01); |
| 1709 | tz = _mm_mul_ps(fscal,dz01); |
| 1710 | |
| 1711 | /* Update vectorial force */ |
| 1712 | fix0 = _mm_add_ps(fix0,tx); |
| 1713 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1714 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1715 | |
| 1716 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1717 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1718 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1719 | |
| 1720 | /************************** |
| 1721 | * CALCULATE INTERACTIONS * |
| 1722 | **************************/ |
| 1723 | |
| 1724 | /* COULOMB ELECTROSTATICS */ |
| 1725 | velec = _mm_mul_ps(qq02,rinv02); |
| 1726 | felec = _mm_mul_ps(velec,rinvsq02); |
| 1727 | |
| 1728 | fscal = felec; |
| 1729 | |
| 1730 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1731 | |
| 1732 | /* Calculate temporary vectorial force */ |
| 1733 | tx = _mm_mul_ps(fscal,dx02); |
| 1734 | ty = _mm_mul_ps(fscal,dy02); |
| 1735 | tz = _mm_mul_ps(fscal,dz02); |
| 1736 | |
| 1737 | /* Update vectorial force */ |
| 1738 | fix0 = _mm_add_ps(fix0,tx); |
| 1739 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1740 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1741 | |
| 1742 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1743 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1744 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1745 | |
| 1746 | /************************** |
| 1747 | * CALCULATE INTERACTIONS * |
| 1748 | **************************/ |
| 1749 | |
| 1750 | /* COULOMB ELECTROSTATICS */ |
| 1751 | velec = _mm_mul_ps(qq10,rinv10); |
| 1752 | felec = _mm_mul_ps(velec,rinvsq10); |
| 1753 | |
| 1754 | fscal = felec; |
| 1755 | |
| 1756 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1757 | |
| 1758 | /* Calculate temporary vectorial force */ |
| 1759 | tx = _mm_mul_ps(fscal,dx10); |
| 1760 | ty = _mm_mul_ps(fscal,dy10); |
| 1761 | tz = _mm_mul_ps(fscal,dz10); |
| 1762 | |
| 1763 | /* Update vectorial force */ |
| 1764 | fix1 = _mm_add_ps(fix1,tx); |
| 1765 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1766 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1767 | |
| 1768 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1769 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1770 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1771 | |
| 1772 | /************************** |
| 1773 | * CALCULATE INTERACTIONS * |
| 1774 | **************************/ |
| 1775 | |
| 1776 | /* COULOMB ELECTROSTATICS */ |
| 1777 | velec = _mm_mul_ps(qq11,rinv11); |
| 1778 | felec = _mm_mul_ps(velec,rinvsq11); |
| 1779 | |
| 1780 | fscal = felec; |
| 1781 | |
| 1782 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1783 | |
| 1784 | /* Calculate temporary vectorial force */ |
| 1785 | tx = _mm_mul_ps(fscal,dx11); |
| 1786 | ty = _mm_mul_ps(fscal,dy11); |
| 1787 | tz = _mm_mul_ps(fscal,dz11); |
| 1788 | |
| 1789 | /* Update vectorial force */ |
| 1790 | fix1 = _mm_add_ps(fix1,tx); |
| 1791 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1792 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1793 | |
| 1794 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1795 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1796 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1797 | |
| 1798 | /************************** |
| 1799 | * CALCULATE INTERACTIONS * |
| 1800 | **************************/ |
| 1801 | |
| 1802 | /* COULOMB ELECTROSTATICS */ |
| 1803 | velec = _mm_mul_ps(qq12,rinv12); |
| 1804 | felec = _mm_mul_ps(velec,rinvsq12); |
| 1805 | |
| 1806 | fscal = felec; |
| 1807 | |
| 1808 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1809 | |
| 1810 | /* Calculate temporary vectorial force */ |
| 1811 | tx = _mm_mul_ps(fscal,dx12); |
| 1812 | ty = _mm_mul_ps(fscal,dy12); |
| 1813 | tz = _mm_mul_ps(fscal,dz12); |
| 1814 | |
| 1815 | /* Update vectorial force */ |
| 1816 | fix1 = _mm_add_ps(fix1,tx); |
| 1817 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1818 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1819 | |
| 1820 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1821 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1822 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1823 | |
| 1824 | /************************** |
| 1825 | * CALCULATE INTERACTIONS * |
| 1826 | **************************/ |
| 1827 | |
| 1828 | /* COULOMB ELECTROSTATICS */ |
| 1829 | velec = _mm_mul_ps(qq20,rinv20); |
| 1830 | felec = _mm_mul_ps(velec,rinvsq20); |
| 1831 | |
| 1832 | fscal = felec; |
| 1833 | |
| 1834 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1835 | |
| 1836 | /* Calculate temporary vectorial force */ |
| 1837 | tx = _mm_mul_ps(fscal,dx20); |
| 1838 | ty = _mm_mul_ps(fscal,dy20); |
| 1839 | tz = _mm_mul_ps(fscal,dz20); |
| 1840 | |
| 1841 | /* Update vectorial force */ |
| 1842 | fix2 = _mm_add_ps(fix2,tx); |
| 1843 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1844 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1845 | |
| 1846 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1847 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1848 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1849 | |
| 1850 | /************************** |
| 1851 | * CALCULATE INTERACTIONS * |
| 1852 | **************************/ |
| 1853 | |
| 1854 | /* COULOMB ELECTROSTATICS */ |
| 1855 | velec = _mm_mul_ps(qq21,rinv21); |
| 1856 | felec = _mm_mul_ps(velec,rinvsq21); |
| 1857 | |
| 1858 | fscal = felec; |
| 1859 | |
| 1860 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1861 | |
| 1862 | /* Calculate temporary vectorial force */ |
| 1863 | tx = _mm_mul_ps(fscal,dx21); |
| 1864 | ty = _mm_mul_ps(fscal,dy21); |
| 1865 | tz = _mm_mul_ps(fscal,dz21); |
| 1866 | |
| 1867 | /* Update vectorial force */ |
| 1868 | fix2 = _mm_add_ps(fix2,tx); |
| 1869 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1870 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1871 | |
| 1872 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1873 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1874 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1875 | |
| 1876 | /************************** |
| 1877 | * CALCULATE INTERACTIONS * |
| 1878 | **************************/ |
| 1879 | |
| 1880 | /* COULOMB ELECTROSTATICS */ |
| 1881 | velec = _mm_mul_ps(qq22,rinv22); |
| 1882 | felec = _mm_mul_ps(velec,rinvsq22); |
| 1883 | |
| 1884 | fscal = felec; |
| 1885 | |
| 1886 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1887 | |
| 1888 | /* Calculate temporary vectorial force */ |
| 1889 | tx = _mm_mul_ps(fscal,dx22); |
| 1890 | ty = _mm_mul_ps(fscal,dy22); |
| 1891 | tz = _mm_mul_ps(fscal,dz22); |
| 1892 | |
| 1893 | /* Update vectorial force */ |
| 1894 | fix2 = _mm_add_ps(fix2,tx); |
| 1895 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1896 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1897 | |
| 1898 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1899 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1900 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1901 | |
| 1902 | fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch; |
| 1903 | fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch; |
| 1904 | fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch; |
| 1905 | fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch; |
| 1906 | |
| 1907 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 1908 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 1909 | |
| 1910 | /* Inner loop uses 271 flops */ |
| 1911 | } |
| 1912 | |
| 1913 | /* End of innermost loop */ |
| 1914 | |
| 1915 | gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2, |
| 1916 | f+i_coord_offset,fshift+i_shift_offset); |
| 1917 | |
| 1918 | /* Increment number of inner iterations */ |
| 1919 | inneriter += j_index_end - j_index_start; |
| 1920 | |
| 1921 | /* Outer loop uses 18 flops */ |
| 1922 | } |
| 1923 | |
| 1924 | /* Increment number of outer iterations */ |
| 1925 | outeriter += nri; |
| 1926 | |
| 1927 | /* Update outer/inner flops */ |
| 1928 | |
| 1929 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_F,outeriter*18 + inneriter*271)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_F] += outeriter*18 + inneriter *271; |
| 1930 | } |