| File: | gromacs/gmxlib/nonbonded/nb_kernel_sse4_1_single/nb_kernel_ElecRF_VdwLJ_GeomW3W3_sse4_1_single.c |
| Location: | line 1081, column 5 |
| Description: | Value stored to 'jnrA' 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_ElecRF_VdwLJ_GeomW3W3_VF_sse4_1_single |
| 54 | * Electrostatics interaction: ReactionField |
| 55 | * VdW interaction: LennardJones |
| 56 | * Geometry: Water3-Water3 |
| 57 | * Calculate force/pot: PotentialAndForce |
| 58 | */ |
| 59 | void |
| 60 | nb_kernel_ElecRF_VdwLJ_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 | __m128 dummy_mask,cutoff_mask; |
| 115 | __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) ); |
| 116 | __m128 one = _mm_set1_ps(1.0); |
| 117 | __m128 two = _mm_set1_ps(2.0); |
| 118 | x = xx[0]; |
| 119 | f = ff[0]; |
| 120 | |
| 121 | nri = nlist->nri; |
| 122 | iinr = nlist->iinr; |
| 123 | jindex = nlist->jindex; |
| 124 | jjnr = nlist->jjnr; |
| 125 | shiftidx = nlist->shift; |
| 126 | gid = nlist->gid; |
| 127 | shiftvec = fr->shift_vec[0]; |
| 128 | fshift = fr->fshift[0]; |
| 129 | facel = _mm_set1_ps(fr->epsfac); |
| 130 | charge = mdatoms->chargeA; |
| 131 | krf = _mm_set1_ps(fr->ic->k_rf); |
| 132 | krf2 = _mm_set1_ps(fr->ic->k_rf*2.0); |
| 133 | crf = _mm_set1_ps(fr->ic->c_rf); |
| 134 | nvdwtype = fr->ntype; |
| 135 | vdwparam = fr->nbfp; |
| 136 | vdwtype = mdatoms->typeA; |
| 137 | |
| 138 | /* Setup water-specific parameters */ |
| 139 | inr = nlist->iinr[0]; |
| 140 | iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0])); |
| 141 | iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1])); |
| 142 | iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2])); |
| 143 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
| 144 | |
| 145 | jq0 = _mm_set1_ps(charge[inr+0]); |
| 146 | jq1 = _mm_set1_ps(charge[inr+1]); |
| 147 | jq2 = _mm_set1_ps(charge[inr+2]); |
| 148 | vdwjidx0A = 2*vdwtype[inr+0]; |
| 149 | qq00 = _mm_mul_ps(iq0,jq0); |
| 150 | c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]); |
| 151 | c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]); |
| 152 | qq01 = _mm_mul_ps(iq0,jq1); |
| 153 | qq02 = _mm_mul_ps(iq0,jq2); |
| 154 | qq10 = _mm_mul_ps(iq1,jq0); |
| 155 | qq11 = _mm_mul_ps(iq1,jq1); |
| 156 | qq12 = _mm_mul_ps(iq1,jq2); |
| 157 | qq20 = _mm_mul_ps(iq2,jq0); |
| 158 | qq21 = _mm_mul_ps(iq2,jq1); |
| 159 | qq22 = _mm_mul_ps(iq2,jq2); |
| 160 | |
| 161 | /* Avoid stupid compiler warnings */ |
| 162 | jnrA = jnrB = jnrC = jnrD = 0; |
| 163 | j_coord_offsetA = 0; |
| 164 | j_coord_offsetB = 0; |
| 165 | j_coord_offsetC = 0; |
| 166 | j_coord_offsetD = 0; |
| 167 | |
| 168 | outeriter = 0; |
| 169 | inneriter = 0; |
| 170 | |
| 171 | for(iidx=0;iidx<4*DIM3;iidx++) |
| 172 | { |
| 173 | scratch[iidx] = 0.0; |
| 174 | } |
| 175 | |
| 176 | /* Start outer loop over neighborlists */ |
| 177 | for(iidx=0; iidx<nri; iidx++) |
| 178 | { |
| 179 | /* Load shift vector for this list */ |
| 180 | i_shift_offset = DIM3*shiftidx[iidx]; |
| 181 | |
| 182 | /* Load limits for loop over neighbors */ |
| 183 | j_index_start = jindex[iidx]; |
| 184 | j_index_end = jindex[iidx+1]; |
| 185 | |
| 186 | /* Get outer coordinate index */ |
| 187 | inr = iinr[iidx]; |
| 188 | i_coord_offset = DIM3*inr; |
| 189 | |
| 190 | /* Load i particle coords and add shift vector */ |
| 191 | gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset, |
| 192 | &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2); |
| 193 | |
| 194 | fix0 = _mm_setzero_ps(); |
| 195 | fiy0 = _mm_setzero_ps(); |
| 196 | fiz0 = _mm_setzero_ps(); |
| 197 | fix1 = _mm_setzero_ps(); |
| 198 | fiy1 = _mm_setzero_ps(); |
| 199 | fiz1 = _mm_setzero_ps(); |
| 200 | fix2 = _mm_setzero_ps(); |
| 201 | fiy2 = _mm_setzero_ps(); |
| 202 | fiz2 = _mm_setzero_ps(); |
| 203 | |
| 204 | /* Reset potential sums */ |
| 205 | velecsum = _mm_setzero_ps(); |
| 206 | vvdwsum = _mm_setzero_ps(); |
| 207 | |
| 208 | /* Start inner kernel loop */ |
| 209 | for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4) |
| 210 | { |
| 211 | |
| 212 | /* Get j neighbor index, and coordinate index */ |
| 213 | jnrA = jjnr[jidx]; |
| 214 | jnrB = jjnr[jidx+1]; |
| 215 | jnrC = jjnr[jidx+2]; |
| 216 | jnrD = jjnr[jidx+3]; |
| 217 | j_coord_offsetA = DIM3*jnrA; |
| 218 | j_coord_offsetB = DIM3*jnrB; |
| 219 | j_coord_offsetC = DIM3*jnrC; |
| 220 | j_coord_offsetD = DIM3*jnrD; |
| 221 | |
| 222 | /* load j atom coordinates */ |
| 223 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 224 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 225 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 226 | |
| 227 | /* Calculate displacement vector */ |
| 228 | dx00 = _mm_sub_ps(ix0,jx0); |
| 229 | dy00 = _mm_sub_ps(iy0,jy0); |
| 230 | dz00 = _mm_sub_ps(iz0,jz0); |
| 231 | dx01 = _mm_sub_ps(ix0,jx1); |
| 232 | dy01 = _mm_sub_ps(iy0,jy1); |
| 233 | dz01 = _mm_sub_ps(iz0,jz1); |
| 234 | dx02 = _mm_sub_ps(ix0,jx2); |
| 235 | dy02 = _mm_sub_ps(iy0,jy2); |
| 236 | dz02 = _mm_sub_ps(iz0,jz2); |
| 237 | dx10 = _mm_sub_ps(ix1,jx0); |
| 238 | dy10 = _mm_sub_ps(iy1,jy0); |
| 239 | dz10 = _mm_sub_ps(iz1,jz0); |
| 240 | dx11 = _mm_sub_ps(ix1,jx1); |
| 241 | dy11 = _mm_sub_ps(iy1,jy1); |
| 242 | dz11 = _mm_sub_ps(iz1,jz1); |
| 243 | dx12 = _mm_sub_ps(ix1,jx2); |
| 244 | dy12 = _mm_sub_ps(iy1,jy2); |
| 245 | dz12 = _mm_sub_ps(iz1,jz2); |
| 246 | dx20 = _mm_sub_ps(ix2,jx0); |
| 247 | dy20 = _mm_sub_ps(iy2,jy0); |
| 248 | dz20 = _mm_sub_ps(iz2,jz0); |
| 249 | dx21 = _mm_sub_ps(ix2,jx1); |
| 250 | dy21 = _mm_sub_ps(iy2,jy1); |
| 251 | dz21 = _mm_sub_ps(iz2,jz1); |
| 252 | dx22 = _mm_sub_ps(ix2,jx2); |
| 253 | dy22 = _mm_sub_ps(iy2,jy2); |
| 254 | dz22 = _mm_sub_ps(iz2,jz2); |
| 255 | |
| 256 | /* Calculate squared distance and things based on it */ |
| 257 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 258 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 259 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 260 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 261 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 262 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 263 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 264 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 265 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 266 | |
| 267 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 268 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 269 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 270 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 271 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 272 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 273 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 274 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 275 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 276 | |
| 277 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 278 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 279 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 280 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 281 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 282 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 283 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 284 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 285 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 286 | |
| 287 | fjx0 = _mm_setzero_ps(); |
| 288 | fjy0 = _mm_setzero_ps(); |
| 289 | fjz0 = _mm_setzero_ps(); |
| 290 | fjx1 = _mm_setzero_ps(); |
| 291 | fjy1 = _mm_setzero_ps(); |
| 292 | fjz1 = _mm_setzero_ps(); |
| 293 | fjx2 = _mm_setzero_ps(); |
| 294 | fjy2 = _mm_setzero_ps(); |
| 295 | fjz2 = _mm_setzero_ps(); |
| 296 | |
| 297 | /************************** |
| 298 | * CALCULATE INTERACTIONS * |
| 299 | **************************/ |
| 300 | |
| 301 | /* REACTION-FIELD ELECTROSTATICS */ |
| 302 | velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf)); |
| 303 | felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2)); |
| 304 | |
| 305 | /* LENNARD-JONES DISPERSION/REPULSION */ |
| 306 | |
| 307 | rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00); |
| 308 | vvdw6 = _mm_mul_ps(c6_00,rinvsix); |
| 309 | vvdw12 = _mm_mul_ps(c12_00,_mm_mul_ps(rinvsix,rinvsix)); |
| 310 | vvdw = _mm_sub_ps( _mm_mul_ps(vvdw12,one_twelfth) , _mm_mul_ps(vvdw6,one_sixth) ); |
| 311 | fvdw = _mm_mul_ps(_mm_sub_ps(vvdw12,vvdw6),rinvsq00); |
| 312 | |
| 313 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 314 | velecsum = _mm_add_ps(velecsum,velec); |
| 315 | vvdwsum = _mm_add_ps(vvdwsum,vvdw); |
| 316 | |
| 317 | fscal = _mm_add_ps(felec,fvdw); |
| 318 | |
| 319 | /* Calculate temporary vectorial force */ |
| 320 | tx = _mm_mul_ps(fscal,dx00); |
| 321 | ty = _mm_mul_ps(fscal,dy00); |
| 322 | tz = _mm_mul_ps(fscal,dz00); |
| 323 | |
| 324 | /* Update vectorial force */ |
| 325 | fix0 = _mm_add_ps(fix0,tx); |
| 326 | fiy0 = _mm_add_ps(fiy0,ty); |
| 327 | fiz0 = _mm_add_ps(fiz0,tz); |
| 328 | |
| 329 | fjx0 = _mm_add_ps(fjx0,tx); |
| 330 | fjy0 = _mm_add_ps(fjy0,ty); |
| 331 | fjz0 = _mm_add_ps(fjz0,tz); |
| 332 | |
| 333 | /************************** |
| 334 | * CALCULATE INTERACTIONS * |
| 335 | **************************/ |
| 336 | |
| 337 | /* REACTION-FIELD ELECTROSTATICS */ |
| 338 | velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf)); |
| 339 | felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2)); |
| 340 | |
| 341 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 342 | velecsum = _mm_add_ps(velecsum,velec); |
| 343 | |
| 344 | fscal = felec; |
| 345 | |
| 346 | /* Calculate temporary vectorial force */ |
| 347 | tx = _mm_mul_ps(fscal,dx01); |
| 348 | ty = _mm_mul_ps(fscal,dy01); |
| 349 | tz = _mm_mul_ps(fscal,dz01); |
| 350 | |
| 351 | /* Update vectorial force */ |
| 352 | fix0 = _mm_add_ps(fix0,tx); |
| 353 | fiy0 = _mm_add_ps(fiy0,ty); |
| 354 | fiz0 = _mm_add_ps(fiz0,tz); |
| 355 | |
| 356 | fjx1 = _mm_add_ps(fjx1,tx); |
| 357 | fjy1 = _mm_add_ps(fjy1,ty); |
| 358 | fjz1 = _mm_add_ps(fjz1,tz); |
| 359 | |
| 360 | /************************** |
| 361 | * CALCULATE INTERACTIONS * |
| 362 | **************************/ |
| 363 | |
| 364 | /* REACTION-FIELD ELECTROSTATICS */ |
| 365 | velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf)); |
| 366 | felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2)); |
| 367 | |
| 368 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 369 | velecsum = _mm_add_ps(velecsum,velec); |
| 370 | |
| 371 | fscal = felec; |
| 372 | |
| 373 | /* Calculate temporary vectorial force */ |
| 374 | tx = _mm_mul_ps(fscal,dx02); |
| 375 | ty = _mm_mul_ps(fscal,dy02); |
| 376 | tz = _mm_mul_ps(fscal,dz02); |
| 377 | |
| 378 | /* Update vectorial force */ |
| 379 | fix0 = _mm_add_ps(fix0,tx); |
| 380 | fiy0 = _mm_add_ps(fiy0,ty); |
| 381 | fiz0 = _mm_add_ps(fiz0,tz); |
| 382 | |
| 383 | fjx2 = _mm_add_ps(fjx2,tx); |
| 384 | fjy2 = _mm_add_ps(fjy2,ty); |
| 385 | fjz2 = _mm_add_ps(fjz2,tz); |
| 386 | |
| 387 | /************************** |
| 388 | * CALCULATE INTERACTIONS * |
| 389 | **************************/ |
| 390 | |
| 391 | /* REACTION-FIELD ELECTROSTATICS */ |
| 392 | velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf)); |
| 393 | felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2)); |
| 394 | |
| 395 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 396 | velecsum = _mm_add_ps(velecsum,velec); |
| 397 | |
| 398 | fscal = felec; |
| 399 | |
| 400 | /* Calculate temporary vectorial force */ |
| 401 | tx = _mm_mul_ps(fscal,dx10); |
| 402 | ty = _mm_mul_ps(fscal,dy10); |
| 403 | tz = _mm_mul_ps(fscal,dz10); |
| 404 | |
| 405 | /* Update vectorial force */ |
| 406 | fix1 = _mm_add_ps(fix1,tx); |
| 407 | fiy1 = _mm_add_ps(fiy1,ty); |
| 408 | fiz1 = _mm_add_ps(fiz1,tz); |
| 409 | |
| 410 | fjx0 = _mm_add_ps(fjx0,tx); |
| 411 | fjy0 = _mm_add_ps(fjy0,ty); |
| 412 | fjz0 = _mm_add_ps(fjz0,tz); |
| 413 | |
| 414 | /************************** |
| 415 | * CALCULATE INTERACTIONS * |
| 416 | **************************/ |
| 417 | |
| 418 | /* REACTION-FIELD ELECTROSTATICS */ |
| 419 | velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf)); |
| 420 | felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2)); |
| 421 | |
| 422 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 423 | velecsum = _mm_add_ps(velecsum,velec); |
| 424 | |
| 425 | fscal = felec; |
| 426 | |
| 427 | /* Calculate temporary vectorial force */ |
| 428 | tx = _mm_mul_ps(fscal,dx11); |
| 429 | ty = _mm_mul_ps(fscal,dy11); |
| 430 | tz = _mm_mul_ps(fscal,dz11); |
| 431 | |
| 432 | /* Update vectorial force */ |
| 433 | fix1 = _mm_add_ps(fix1,tx); |
| 434 | fiy1 = _mm_add_ps(fiy1,ty); |
| 435 | fiz1 = _mm_add_ps(fiz1,tz); |
| 436 | |
| 437 | fjx1 = _mm_add_ps(fjx1,tx); |
| 438 | fjy1 = _mm_add_ps(fjy1,ty); |
| 439 | fjz1 = _mm_add_ps(fjz1,tz); |
| 440 | |
| 441 | /************************** |
| 442 | * CALCULATE INTERACTIONS * |
| 443 | **************************/ |
| 444 | |
| 445 | /* REACTION-FIELD ELECTROSTATICS */ |
| 446 | velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf)); |
| 447 | felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2)); |
| 448 | |
| 449 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 450 | velecsum = _mm_add_ps(velecsum,velec); |
| 451 | |
| 452 | fscal = felec; |
| 453 | |
| 454 | /* Calculate temporary vectorial force */ |
| 455 | tx = _mm_mul_ps(fscal,dx12); |
| 456 | ty = _mm_mul_ps(fscal,dy12); |
| 457 | tz = _mm_mul_ps(fscal,dz12); |
| 458 | |
| 459 | /* Update vectorial force */ |
| 460 | fix1 = _mm_add_ps(fix1,tx); |
| 461 | fiy1 = _mm_add_ps(fiy1,ty); |
| 462 | fiz1 = _mm_add_ps(fiz1,tz); |
| 463 | |
| 464 | fjx2 = _mm_add_ps(fjx2,tx); |
| 465 | fjy2 = _mm_add_ps(fjy2,ty); |
| 466 | fjz2 = _mm_add_ps(fjz2,tz); |
| 467 | |
| 468 | /************************** |
| 469 | * CALCULATE INTERACTIONS * |
| 470 | **************************/ |
| 471 | |
| 472 | /* REACTION-FIELD ELECTROSTATICS */ |
| 473 | velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf)); |
| 474 | felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2)); |
| 475 | |
| 476 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 477 | velecsum = _mm_add_ps(velecsum,velec); |
| 478 | |
| 479 | fscal = felec; |
| 480 | |
| 481 | /* Calculate temporary vectorial force */ |
| 482 | tx = _mm_mul_ps(fscal,dx20); |
| 483 | ty = _mm_mul_ps(fscal,dy20); |
| 484 | tz = _mm_mul_ps(fscal,dz20); |
| 485 | |
| 486 | /* Update vectorial force */ |
| 487 | fix2 = _mm_add_ps(fix2,tx); |
| 488 | fiy2 = _mm_add_ps(fiy2,ty); |
| 489 | fiz2 = _mm_add_ps(fiz2,tz); |
| 490 | |
| 491 | fjx0 = _mm_add_ps(fjx0,tx); |
| 492 | fjy0 = _mm_add_ps(fjy0,ty); |
| 493 | fjz0 = _mm_add_ps(fjz0,tz); |
| 494 | |
| 495 | /************************** |
| 496 | * CALCULATE INTERACTIONS * |
| 497 | **************************/ |
| 498 | |
| 499 | /* REACTION-FIELD ELECTROSTATICS */ |
| 500 | velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf)); |
| 501 | felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2)); |
| 502 | |
| 503 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 504 | velecsum = _mm_add_ps(velecsum,velec); |
| 505 | |
| 506 | fscal = felec; |
| 507 | |
| 508 | /* Calculate temporary vectorial force */ |
| 509 | tx = _mm_mul_ps(fscal,dx21); |
| 510 | ty = _mm_mul_ps(fscal,dy21); |
| 511 | tz = _mm_mul_ps(fscal,dz21); |
| 512 | |
| 513 | /* Update vectorial force */ |
| 514 | fix2 = _mm_add_ps(fix2,tx); |
| 515 | fiy2 = _mm_add_ps(fiy2,ty); |
| 516 | fiz2 = _mm_add_ps(fiz2,tz); |
| 517 | |
| 518 | fjx1 = _mm_add_ps(fjx1,tx); |
| 519 | fjy1 = _mm_add_ps(fjy1,ty); |
| 520 | fjz1 = _mm_add_ps(fjz1,tz); |
| 521 | |
| 522 | /************************** |
| 523 | * CALCULATE INTERACTIONS * |
| 524 | **************************/ |
| 525 | |
| 526 | /* REACTION-FIELD ELECTROSTATICS */ |
| 527 | velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf)); |
| 528 | felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2)); |
| 529 | |
| 530 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 531 | velecsum = _mm_add_ps(velecsum,velec); |
| 532 | |
| 533 | fscal = felec; |
| 534 | |
| 535 | /* Calculate temporary vectorial force */ |
| 536 | tx = _mm_mul_ps(fscal,dx22); |
| 537 | ty = _mm_mul_ps(fscal,dy22); |
| 538 | tz = _mm_mul_ps(fscal,dz22); |
| 539 | |
| 540 | /* Update vectorial force */ |
| 541 | fix2 = _mm_add_ps(fix2,tx); |
| 542 | fiy2 = _mm_add_ps(fiy2,ty); |
| 543 | fiz2 = _mm_add_ps(fiz2,tz); |
| 544 | |
| 545 | fjx2 = _mm_add_ps(fjx2,tx); |
| 546 | fjy2 = _mm_add_ps(fjy2,ty); |
| 547 | fjz2 = _mm_add_ps(fjz2,tz); |
| 548 | |
| 549 | fjptrA = f+j_coord_offsetA; |
| 550 | fjptrB = f+j_coord_offsetB; |
| 551 | fjptrC = f+j_coord_offsetC; |
| 552 | fjptrD = f+j_coord_offsetD; |
| 553 | |
| 554 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 555 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 556 | |
| 557 | /* Inner loop uses 300 flops */ |
| 558 | } |
| 559 | |
| 560 | if(jidx<j_index_end) |
| 561 | { |
| 562 | |
| 563 | /* Get j neighbor index, and coordinate index */ |
| 564 | jnrlistA = jjnr[jidx]; |
| 565 | jnrlistB = jjnr[jidx+1]; |
| 566 | jnrlistC = jjnr[jidx+2]; |
| 567 | jnrlistD = jjnr[jidx+3]; |
| 568 | /* Sign of each element will be negative for non-real atoms. |
| 569 | * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones, |
| 570 | * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries. |
| 571 | */ |
| 572 | dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128())); |
| 573 | jnrA = (jnrlistA>=0) ? jnrlistA : 0; |
| 574 | jnrB = (jnrlistB>=0) ? jnrlistB : 0; |
| 575 | jnrC = (jnrlistC>=0) ? jnrlistC : 0; |
| 576 | jnrD = (jnrlistD>=0) ? jnrlistD : 0; |
| 577 | j_coord_offsetA = DIM3*jnrA; |
| 578 | j_coord_offsetB = DIM3*jnrB; |
| 579 | j_coord_offsetC = DIM3*jnrC; |
| 580 | j_coord_offsetD = DIM3*jnrD; |
| 581 | |
| 582 | /* load j atom coordinates */ |
| 583 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 584 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 585 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 586 | |
| 587 | /* Calculate displacement vector */ |
| 588 | dx00 = _mm_sub_ps(ix0,jx0); |
| 589 | dy00 = _mm_sub_ps(iy0,jy0); |
| 590 | dz00 = _mm_sub_ps(iz0,jz0); |
| 591 | dx01 = _mm_sub_ps(ix0,jx1); |
| 592 | dy01 = _mm_sub_ps(iy0,jy1); |
| 593 | dz01 = _mm_sub_ps(iz0,jz1); |
| 594 | dx02 = _mm_sub_ps(ix0,jx2); |
| 595 | dy02 = _mm_sub_ps(iy0,jy2); |
| 596 | dz02 = _mm_sub_ps(iz0,jz2); |
| 597 | dx10 = _mm_sub_ps(ix1,jx0); |
| 598 | dy10 = _mm_sub_ps(iy1,jy0); |
| 599 | dz10 = _mm_sub_ps(iz1,jz0); |
| 600 | dx11 = _mm_sub_ps(ix1,jx1); |
| 601 | dy11 = _mm_sub_ps(iy1,jy1); |
| 602 | dz11 = _mm_sub_ps(iz1,jz1); |
| 603 | dx12 = _mm_sub_ps(ix1,jx2); |
| 604 | dy12 = _mm_sub_ps(iy1,jy2); |
| 605 | dz12 = _mm_sub_ps(iz1,jz2); |
| 606 | dx20 = _mm_sub_ps(ix2,jx0); |
| 607 | dy20 = _mm_sub_ps(iy2,jy0); |
| 608 | dz20 = _mm_sub_ps(iz2,jz0); |
| 609 | dx21 = _mm_sub_ps(ix2,jx1); |
| 610 | dy21 = _mm_sub_ps(iy2,jy1); |
| 611 | dz21 = _mm_sub_ps(iz2,jz1); |
| 612 | dx22 = _mm_sub_ps(ix2,jx2); |
| 613 | dy22 = _mm_sub_ps(iy2,jy2); |
| 614 | dz22 = _mm_sub_ps(iz2,jz2); |
| 615 | |
| 616 | /* Calculate squared distance and things based on it */ |
| 617 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 618 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 619 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 620 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 621 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 622 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 623 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 624 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 625 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 626 | |
| 627 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 628 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 629 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 630 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 631 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 632 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 633 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 634 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 635 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 636 | |
| 637 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 638 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 639 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 640 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 641 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 642 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 643 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 644 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 645 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 646 | |
| 647 | fjx0 = _mm_setzero_ps(); |
| 648 | fjy0 = _mm_setzero_ps(); |
| 649 | fjz0 = _mm_setzero_ps(); |
| 650 | fjx1 = _mm_setzero_ps(); |
| 651 | fjy1 = _mm_setzero_ps(); |
| 652 | fjz1 = _mm_setzero_ps(); |
| 653 | fjx2 = _mm_setzero_ps(); |
| 654 | fjy2 = _mm_setzero_ps(); |
| 655 | fjz2 = _mm_setzero_ps(); |
| 656 | |
| 657 | /************************** |
| 658 | * CALCULATE INTERACTIONS * |
| 659 | **************************/ |
| 660 | |
| 661 | /* REACTION-FIELD ELECTROSTATICS */ |
| 662 | velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf)); |
| 663 | felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2)); |
| 664 | |
| 665 | /* LENNARD-JONES DISPERSION/REPULSION */ |
| 666 | |
| 667 | rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00); |
| 668 | vvdw6 = _mm_mul_ps(c6_00,rinvsix); |
| 669 | vvdw12 = _mm_mul_ps(c12_00,_mm_mul_ps(rinvsix,rinvsix)); |
| 670 | vvdw = _mm_sub_ps( _mm_mul_ps(vvdw12,one_twelfth) , _mm_mul_ps(vvdw6,one_sixth) ); |
| 671 | fvdw = _mm_mul_ps(_mm_sub_ps(vvdw12,vvdw6),rinvsq00); |
| 672 | |
| 673 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 674 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 675 | velecsum = _mm_add_ps(velecsum,velec); |
| 676 | vvdw = _mm_andnot_ps(dummy_mask,vvdw); |
| 677 | vvdwsum = _mm_add_ps(vvdwsum,vvdw); |
| 678 | |
| 679 | fscal = _mm_add_ps(felec,fvdw); |
| 680 | |
| 681 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 682 | |
| 683 | /* Calculate temporary vectorial force */ |
| 684 | tx = _mm_mul_ps(fscal,dx00); |
| 685 | ty = _mm_mul_ps(fscal,dy00); |
| 686 | tz = _mm_mul_ps(fscal,dz00); |
| 687 | |
| 688 | /* Update vectorial force */ |
| 689 | fix0 = _mm_add_ps(fix0,tx); |
| 690 | fiy0 = _mm_add_ps(fiy0,ty); |
| 691 | fiz0 = _mm_add_ps(fiz0,tz); |
| 692 | |
| 693 | fjx0 = _mm_add_ps(fjx0,tx); |
| 694 | fjy0 = _mm_add_ps(fjy0,ty); |
| 695 | fjz0 = _mm_add_ps(fjz0,tz); |
| 696 | |
| 697 | /************************** |
| 698 | * CALCULATE INTERACTIONS * |
| 699 | **************************/ |
| 700 | |
| 701 | /* REACTION-FIELD ELECTROSTATICS */ |
| 702 | velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf)); |
| 703 | felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2)); |
| 704 | |
| 705 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 706 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 707 | velecsum = _mm_add_ps(velecsum,velec); |
| 708 | |
| 709 | fscal = felec; |
| 710 | |
| 711 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 712 | |
| 713 | /* Calculate temporary vectorial force */ |
| 714 | tx = _mm_mul_ps(fscal,dx01); |
| 715 | ty = _mm_mul_ps(fscal,dy01); |
| 716 | tz = _mm_mul_ps(fscal,dz01); |
| 717 | |
| 718 | /* Update vectorial force */ |
| 719 | fix0 = _mm_add_ps(fix0,tx); |
| 720 | fiy0 = _mm_add_ps(fiy0,ty); |
| 721 | fiz0 = _mm_add_ps(fiz0,tz); |
| 722 | |
| 723 | fjx1 = _mm_add_ps(fjx1,tx); |
| 724 | fjy1 = _mm_add_ps(fjy1,ty); |
| 725 | fjz1 = _mm_add_ps(fjz1,tz); |
| 726 | |
| 727 | /************************** |
| 728 | * CALCULATE INTERACTIONS * |
| 729 | **************************/ |
| 730 | |
| 731 | /* REACTION-FIELD ELECTROSTATICS */ |
| 732 | velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf)); |
| 733 | felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2)); |
| 734 | |
| 735 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 736 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 737 | velecsum = _mm_add_ps(velecsum,velec); |
| 738 | |
| 739 | fscal = felec; |
| 740 | |
| 741 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 742 | |
| 743 | /* Calculate temporary vectorial force */ |
| 744 | tx = _mm_mul_ps(fscal,dx02); |
| 745 | ty = _mm_mul_ps(fscal,dy02); |
| 746 | tz = _mm_mul_ps(fscal,dz02); |
| 747 | |
| 748 | /* Update vectorial force */ |
| 749 | fix0 = _mm_add_ps(fix0,tx); |
| 750 | fiy0 = _mm_add_ps(fiy0,ty); |
| 751 | fiz0 = _mm_add_ps(fiz0,tz); |
| 752 | |
| 753 | fjx2 = _mm_add_ps(fjx2,tx); |
| 754 | fjy2 = _mm_add_ps(fjy2,ty); |
| 755 | fjz2 = _mm_add_ps(fjz2,tz); |
| 756 | |
| 757 | /************************** |
| 758 | * CALCULATE INTERACTIONS * |
| 759 | **************************/ |
| 760 | |
| 761 | /* REACTION-FIELD ELECTROSTATICS */ |
| 762 | velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf)); |
| 763 | felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2)); |
| 764 | |
| 765 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 766 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 767 | velecsum = _mm_add_ps(velecsum,velec); |
| 768 | |
| 769 | fscal = felec; |
| 770 | |
| 771 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 772 | |
| 773 | /* Calculate temporary vectorial force */ |
| 774 | tx = _mm_mul_ps(fscal,dx10); |
| 775 | ty = _mm_mul_ps(fscal,dy10); |
| 776 | tz = _mm_mul_ps(fscal,dz10); |
| 777 | |
| 778 | /* Update vectorial force */ |
| 779 | fix1 = _mm_add_ps(fix1,tx); |
| 780 | fiy1 = _mm_add_ps(fiy1,ty); |
| 781 | fiz1 = _mm_add_ps(fiz1,tz); |
| 782 | |
| 783 | fjx0 = _mm_add_ps(fjx0,tx); |
| 784 | fjy0 = _mm_add_ps(fjy0,ty); |
| 785 | fjz0 = _mm_add_ps(fjz0,tz); |
| 786 | |
| 787 | /************************** |
| 788 | * CALCULATE INTERACTIONS * |
| 789 | **************************/ |
| 790 | |
| 791 | /* REACTION-FIELD ELECTROSTATICS */ |
| 792 | velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf)); |
| 793 | felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2)); |
| 794 | |
| 795 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 796 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 797 | velecsum = _mm_add_ps(velecsum,velec); |
| 798 | |
| 799 | fscal = felec; |
| 800 | |
| 801 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 802 | |
| 803 | /* Calculate temporary vectorial force */ |
| 804 | tx = _mm_mul_ps(fscal,dx11); |
| 805 | ty = _mm_mul_ps(fscal,dy11); |
| 806 | tz = _mm_mul_ps(fscal,dz11); |
| 807 | |
| 808 | /* Update vectorial force */ |
| 809 | fix1 = _mm_add_ps(fix1,tx); |
| 810 | fiy1 = _mm_add_ps(fiy1,ty); |
| 811 | fiz1 = _mm_add_ps(fiz1,tz); |
| 812 | |
| 813 | fjx1 = _mm_add_ps(fjx1,tx); |
| 814 | fjy1 = _mm_add_ps(fjy1,ty); |
| 815 | fjz1 = _mm_add_ps(fjz1,tz); |
| 816 | |
| 817 | /************************** |
| 818 | * CALCULATE INTERACTIONS * |
| 819 | **************************/ |
| 820 | |
| 821 | /* REACTION-FIELD ELECTROSTATICS */ |
| 822 | velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf)); |
| 823 | felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2)); |
| 824 | |
| 825 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 826 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 827 | velecsum = _mm_add_ps(velecsum,velec); |
| 828 | |
| 829 | fscal = felec; |
| 830 | |
| 831 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 832 | |
| 833 | /* Calculate temporary vectorial force */ |
| 834 | tx = _mm_mul_ps(fscal,dx12); |
| 835 | ty = _mm_mul_ps(fscal,dy12); |
| 836 | tz = _mm_mul_ps(fscal,dz12); |
| 837 | |
| 838 | /* Update vectorial force */ |
| 839 | fix1 = _mm_add_ps(fix1,tx); |
| 840 | fiy1 = _mm_add_ps(fiy1,ty); |
| 841 | fiz1 = _mm_add_ps(fiz1,tz); |
| 842 | |
| 843 | fjx2 = _mm_add_ps(fjx2,tx); |
| 844 | fjy2 = _mm_add_ps(fjy2,ty); |
| 845 | fjz2 = _mm_add_ps(fjz2,tz); |
| 846 | |
| 847 | /************************** |
| 848 | * CALCULATE INTERACTIONS * |
| 849 | **************************/ |
| 850 | |
| 851 | /* REACTION-FIELD ELECTROSTATICS */ |
| 852 | velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf)); |
| 853 | felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2)); |
| 854 | |
| 855 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 856 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 857 | velecsum = _mm_add_ps(velecsum,velec); |
| 858 | |
| 859 | fscal = felec; |
| 860 | |
| 861 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 862 | |
| 863 | /* Calculate temporary vectorial force */ |
| 864 | tx = _mm_mul_ps(fscal,dx20); |
| 865 | ty = _mm_mul_ps(fscal,dy20); |
| 866 | tz = _mm_mul_ps(fscal,dz20); |
| 867 | |
| 868 | /* Update vectorial force */ |
| 869 | fix2 = _mm_add_ps(fix2,tx); |
| 870 | fiy2 = _mm_add_ps(fiy2,ty); |
| 871 | fiz2 = _mm_add_ps(fiz2,tz); |
| 872 | |
| 873 | fjx0 = _mm_add_ps(fjx0,tx); |
| 874 | fjy0 = _mm_add_ps(fjy0,ty); |
| 875 | fjz0 = _mm_add_ps(fjz0,tz); |
| 876 | |
| 877 | /************************** |
| 878 | * CALCULATE INTERACTIONS * |
| 879 | **************************/ |
| 880 | |
| 881 | /* REACTION-FIELD ELECTROSTATICS */ |
| 882 | velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf)); |
| 883 | felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2)); |
| 884 | |
| 885 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 886 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 887 | velecsum = _mm_add_ps(velecsum,velec); |
| 888 | |
| 889 | fscal = felec; |
| 890 | |
| 891 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 892 | |
| 893 | /* Calculate temporary vectorial force */ |
| 894 | tx = _mm_mul_ps(fscal,dx21); |
| 895 | ty = _mm_mul_ps(fscal,dy21); |
| 896 | tz = _mm_mul_ps(fscal,dz21); |
| 897 | |
| 898 | /* Update vectorial force */ |
| 899 | fix2 = _mm_add_ps(fix2,tx); |
| 900 | fiy2 = _mm_add_ps(fiy2,ty); |
| 901 | fiz2 = _mm_add_ps(fiz2,tz); |
| 902 | |
| 903 | fjx1 = _mm_add_ps(fjx1,tx); |
| 904 | fjy1 = _mm_add_ps(fjy1,ty); |
| 905 | fjz1 = _mm_add_ps(fjz1,tz); |
| 906 | |
| 907 | /************************** |
| 908 | * CALCULATE INTERACTIONS * |
| 909 | **************************/ |
| 910 | |
| 911 | /* REACTION-FIELD ELECTROSTATICS */ |
| 912 | velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf)); |
| 913 | felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2)); |
| 914 | |
| 915 | /* Update potential sum for this i atom from the interaction with this j atom. */ |
| 916 | velec = _mm_andnot_ps(dummy_mask,velec); |
| 917 | velecsum = _mm_add_ps(velecsum,velec); |
| 918 | |
| 919 | fscal = felec; |
| 920 | |
| 921 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 922 | |
| 923 | /* Calculate temporary vectorial force */ |
| 924 | tx = _mm_mul_ps(fscal,dx22); |
| 925 | ty = _mm_mul_ps(fscal,dy22); |
| 926 | tz = _mm_mul_ps(fscal,dz22); |
| 927 | |
| 928 | /* Update vectorial force */ |
| 929 | fix2 = _mm_add_ps(fix2,tx); |
| 930 | fiy2 = _mm_add_ps(fiy2,ty); |
| 931 | fiz2 = _mm_add_ps(fiz2,tz); |
| 932 | |
| 933 | fjx2 = _mm_add_ps(fjx2,tx); |
| 934 | fjy2 = _mm_add_ps(fjy2,ty); |
| 935 | fjz2 = _mm_add_ps(fjz2,tz); |
| 936 | |
| 937 | fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch; |
| 938 | fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch; |
| 939 | fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch; |
| 940 | fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch; |
| 941 | |
| 942 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 943 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 944 | |
| 945 | /* Inner loop uses 300 flops */ |
| 946 | } |
| 947 | |
| 948 | /* End of innermost loop */ |
| 949 | |
| 950 | gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2, |
| 951 | f+i_coord_offset,fshift+i_shift_offset); |
| 952 | |
| 953 | ggid = gid[iidx]; |
| 954 | /* Update potential energies */ |
| 955 | gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid); |
| 956 | gmx_mm_update_1pot_ps(vvdwsum,kernel_data->energygrp_vdw+ggid); |
| 957 | |
| 958 | /* Increment number of inner iterations */ |
| 959 | inneriter += j_index_end - j_index_start; |
| 960 | |
| 961 | /* Outer loop uses 20 flops */ |
| 962 | } |
| 963 | |
| 964 | /* Increment number of outer iterations */ |
| 965 | outeriter += nri; |
| 966 | |
| 967 | /* Update outer/inner flops */ |
| 968 | |
| 969 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_VF,outeriter*20 + inneriter*300)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_VF] += outeriter*20 + inneriter*300; |
| 970 | } |
| 971 | /* |
| 972 | * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwLJ_GeomW3W3_F_sse4_1_single |
| 973 | * Electrostatics interaction: ReactionField |
| 974 | * VdW interaction: LennardJones |
| 975 | * Geometry: Water3-Water3 |
| 976 | * Calculate force/pot: Force |
| 977 | */ |
| 978 | void |
| 979 | nb_kernel_ElecRF_VdwLJ_GeomW3W3_F_sse4_1_single |
| 980 | (t_nblist * gmx_restrict nlist, |
| 981 | rvec * gmx_restrict xx, |
| 982 | rvec * gmx_restrict ff, |
| 983 | t_forcerec * gmx_restrict fr, |
| 984 | t_mdatoms * gmx_restrict mdatoms, |
| 985 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data, |
| 986 | t_nrnb * gmx_restrict nrnb) |
| 987 | { |
| 988 | /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or |
| 989 | * just 0 for non-waters. |
| 990 | * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different |
| 991 | * jnr indices corresponding to data put in the four positions in the SIMD register. |
| 992 | */ |
| 993 | int i_shift_offset,i_coord_offset,outeriter,inneriter; |
| 994 | int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx; |
| 995 | int jnrA,jnrB,jnrC,jnrD; |
| 996 | int jnrlistA,jnrlistB,jnrlistC,jnrlistD; |
| 997 | int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD; |
| 998 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
| 999 | real rcutoff_scalar; |
| 1000 | real *shiftvec,*fshift,*x,*f; |
| 1001 | real *fjptrA,*fjptrB,*fjptrC,*fjptrD; |
| 1002 | real scratch[4*DIM3]; |
| 1003 | __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall; |
| 1004 | int vdwioffset0; |
| 1005 | __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0; |
| 1006 | int vdwioffset1; |
| 1007 | __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
| 1008 | int vdwioffset2; |
| 1009 | __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
| 1010 | int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D; |
| 1011 | __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0; |
| 1012 | int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D; |
| 1013 | __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1; |
| 1014 | int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D; |
| 1015 | __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2; |
| 1016 | __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00; |
| 1017 | __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01; |
| 1018 | __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02; |
| 1019 | __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10; |
| 1020 | __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11; |
| 1021 | __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12; |
| 1022 | __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20; |
| 1023 | __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21; |
| 1024 | __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22; |
| 1025 | __m128 velec,felec,velecsum,facel,crf,krf,krf2; |
| 1026 | real *charge; |
| 1027 | int nvdwtype; |
| 1028 | __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6; |
| 1029 | int *vdwtype; |
| 1030 | real *vdwparam; |
| 1031 | __m128 one_sixth = _mm_set1_ps(1.0/6.0); |
| 1032 | __m128 one_twelfth = _mm_set1_ps(1.0/12.0); |
| 1033 | __m128 dummy_mask,cutoff_mask; |
| 1034 | __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) ); |
| 1035 | __m128 one = _mm_set1_ps(1.0); |
| 1036 | __m128 two = _mm_set1_ps(2.0); |
| 1037 | x = xx[0]; |
| 1038 | f = ff[0]; |
| 1039 | |
| 1040 | nri = nlist->nri; |
| 1041 | iinr = nlist->iinr; |
| 1042 | jindex = nlist->jindex; |
| 1043 | jjnr = nlist->jjnr; |
| 1044 | shiftidx = nlist->shift; |
| 1045 | gid = nlist->gid; |
| 1046 | shiftvec = fr->shift_vec[0]; |
| 1047 | fshift = fr->fshift[0]; |
| 1048 | facel = _mm_set1_ps(fr->epsfac); |
| 1049 | charge = mdatoms->chargeA; |
| 1050 | krf = _mm_set1_ps(fr->ic->k_rf); |
| 1051 | krf2 = _mm_set1_ps(fr->ic->k_rf*2.0); |
| 1052 | crf = _mm_set1_ps(fr->ic->c_rf); |
| 1053 | nvdwtype = fr->ntype; |
| 1054 | vdwparam = fr->nbfp; |
| 1055 | vdwtype = mdatoms->typeA; |
| 1056 | |
| 1057 | /* Setup water-specific parameters */ |
| 1058 | inr = nlist->iinr[0]; |
| 1059 | iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0])); |
| 1060 | iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1])); |
| 1061 | iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2])); |
| 1062 | vdwioffset0 = 2*nvdwtype*vdwtype[inr+0]; |
| 1063 | |
| 1064 | jq0 = _mm_set1_ps(charge[inr+0]); |
| 1065 | jq1 = _mm_set1_ps(charge[inr+1]); |
| 1066 | jq2 = _mm_set1_ps(charge[inr+2]); |
| 1067 | vdwjidx0A = 2*vdwtype[inr+0]; |
| 1068 | qq00 = _mm_mul_ps(iq0,jq0); |
| 1069 | c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]); |
| 1070 | c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]); |
| 1071 | qq01 = _mm_mul_ps(iq0,jq1); |
| 1072 | qq02 = _mm_mul_ps(iq0,jq2); |
| 1073 | qq10 = _mm_mul_ps(iq1,jq0); |
| 1074 | qq11 = _mm_mul_ps(iq1,jq1); |
| 1075 | qq12 = _mm_mul_ps(iq1,jq2); |
| 1076 | qq20 = _mm_mul_ps(iq2,jq0); |
| 1077 | qq21 = _mm_mul_ps(iq2,jq1); |
| 1078 | qq22 = _mm_mul_ps(iq2,jq2); |
| 1079 | |
| 1080 | /* Avoid stupid compiler warnings */ |
| 1081 | jnrA = jnrB = jnrC = jnrD = 0; |
Value stored to 'jnrA' is never read | |
| 1082 | j_coord_offsetA = 0; |
| 1083 | j_coord_offsetB = 0; |
| 1084 | j_coord_offsetC = 0; |
| 1085 | j_coord_offsetD = 0; |
| 1086 | |
| 1087 | outeriter = 0; |
| 1088 | inneriter = 0; |
| 1089 | |
| 1090 | for(iidx=0;iidx<4*DIM3;iidx++) |
| 1091 | { |
| 1092 | scratch[iidx] = 0.0; |
| 1093 | } |
| 1094 | |
| 1095 | /* Start outer loop over neighborlists */ |
| 1096 | for(iidx=0; iidx<nri; iidx++) |
| 1097 | { |
| 1098 | /* Load shift vector for this list */ |
| 1099 | i_shift_offset = DIM3*shiftidx[iidx]; |
| 1100 | |
| 1101 | /* Load limits for loop over neighbors */ |
| 1102 | j_index_start = jindex[iidx]; |
| 1103 | j_index_end = jindex[iidx+1]; |
| 1104 | |
| 1105 | /* Get outer coordinate index */ |
| 1106 | inr = iinr[iidx]; |
| 1107 | i_coord_offset = DIM3*inr; |
| 1108 | |
| 1109 | /* Load i particle coords and add shift vector */ |
| 1110 | gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset, |
| 1111 | &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2); |
| 1112 | |
| 1113 | fix0 = _mm_setzero_ps(); |
| 1114 | fiy0 = _mm_setzero_ps(); |
| 1115 | fiz0 = _mm_setzero_ps(); |
| 1116 | fix1 = _mm_setzero_ps(); |
| 1117 | fiy1 = _mm_setzero_ps(); |
| 1118 | fiz1 = _mm_setzero_ps(); |
| 1119 | fix2 = _mm_setzero_ps(); |
| 1120 | fiy2 = _mm_setzero_ps(); |
| 1121 | fiz2 = _mm_setzero_ps(); |
| 1122 | |
| 1123 | /* Start inner kernel loop */ |
| 1124 | for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4) |
| 1125 | { |
| 1126 | |
| 1127 | /* Get j neighbor index, and coordinate index */ |
| 1128 | jnrA = jjnr[jidx]; |
| 1129 | jnrB = jjnr[jidx+1]; |
| 1130 | jnrC = jjnr[jidx+2]; |
| 1131 | jnrD = jjnr[jidx+3]; |
| 1132 | j_coord_offsetA = DIM3*jnrA; |
| 1133 | j_coord_offsetB = DIM3*jnrB; |
| 1134 | j_coord_offsetC = DIM3*jnrC; |
| 1135 | j_coord_offsetD = DIM3*jnrD; |
| 1136 | |
| 1137 | /* load j atom coordinates */ |
| 1138 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 1139 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 1140 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 1141 | |
| 1142 | /* Calculate displacement vector */ |
| 1143 | dx00 = _mm_sub_ps(ix0,jx0); |
| 1144 | dy00 = _mm_sub_ps(iy0,jy0); |
| 1145 | dz00 = _mm_sub_ps(iz0,jz0); |
| 1146 | dx01 = _mm_sub_ps(ix0,jx1); |
| 1147 | dy01 = _mm_sub_ps(iy0,jy1); |
| 1148 | dz01 = _mm_sub_ps(iz0,jz1); |
| 1149 | dx02 = _mm_sub_ps(ix0,jx2); |
| 1150 | dy02 = _mm_sub_ps(iy0,jy2); |
| 1151 | dz02 = _mm_sub_ps(iz0,jz2); |
| 1152 | dx10 = _mm_sub_ps(ix1,jx0); |
| 1153 | dy10 = _mm_sub_ps(iy1,jy0); |
| 1154 | dz10 = _mm_sub_ps(iz1,jz0); |
| 1155 | dx11 = _mm_sub_ps(ix1,jx1); |
| 1156 | dy11 = _mm_sub_ps(iy1,jy1); |
| 1157 | dz11 = _mm_sub_ps(iz1,jz1); |
| 1158 | dx12 = _mm_sub_ps(ix1,jx2); |
| 1159 | dy12 = _mm_sub_ps(iy1,jy2); |
| 1160 | dz12 = _mm_sub_ps(iz1,jz2); |
| 1161 | dx20 = _mm_sub_ps(ix2,jx0); |
| 1162 | dy20 = _mm_sub_ps(iy2,jy0); |
| 1163 | dz20 = _mm_sub_ps(iz2,jz0); |
| 1164 | dx21 = _mm_sub_ps(ix2,jx1); |
| 1165 | dy21 = _mm_sub_ps(iy2,jy1); |
| 1166 | dz21 = _mm_sub_ps(iz2,jz1); |
| 1167 | dx22 = _mm_sub_ps(ix2,jx2); |
| 1168 | dy22 = _mm_sub_ps(iy2,jy2); |
| 1169 | dz22 = _mm_sub_ps(iz2,jz2); |
| 1170 | |
| 1171 | /* Calculate squared distance and things based on it */ |
| 1172 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 1173 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 1174 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 1175 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 1176 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 1177 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 1178 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 1179 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 1180 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 1181 | |
| 1182 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 1183 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 1184 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 1185 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 1186 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 1187 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 1188 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 1189 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 1190 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 1191 | |
| 1192 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 1193 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 1194 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 1195 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 1196 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 1197 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 1198 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 1199 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 1200 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 1201 | |
| 1202 | fjx0 = _mm_setzero_ps(); |
| 1203 | fjy0 = _mm_setzero_ps(); |
| 1204 | fjz0 = _mm_setzero_ps(); |
| 1205 | fjx1 = _mm_setzero_ps(); |
| 1206 | fjy1 = _mm_setzero_ps(); |
| 1207 | fjz1 = _mm_setzero_ps(); |
| 1208 | fjx2 = _mm_setzero_ps(); |
| 1209 | fjy2 = _mm_setzero_ps(); |
| 1210 | fjz2 = _mm_setzero_ps(); |
| 1211 | |
| 1212 | /************************** |
| 1213 | * CALCULATE INTERACTIONS * |
| 1214 | **************************/ |
| 1215 | |
| 1216 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1217 | felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2)); |
| 1218 | |
| 1219 | /* LENNARD-JONES DISPERSION/REPULSION */ |
| 1220 | |
| 1221 | rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00); |
| 1222 | fvdw = _mm_mul_ps(_mm_sub_ps(_mm_mul_ps(c12_00,rinvsix),c6_00),_mm_mul_ps(rinvsix,rinvsq00)); |
| 1223 | |
| 1224 | fscal = _mm_add_ps(felec,fvdw); |
| 1225 | |
| 1226 | /* Calculate temporary vectorial force */ |
| 1227 | tx = _mm_mul_ps(fscal,dx00); |
| 1228 | ty = _mm_mul_ps(fscal,dy00); |
| 1229 | tz = _mm_mul_ps(fscal,dz00); |
| 1230 | |
| 1231 | /* Update vectorial force */ |
| 1232 | fix0 = _mm_add_ps(fix0,tx); |
| 1233 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1234 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1235 | |
| 1236 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1237 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1238 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1239 | |
| 1240 | /************************** |
| 1241 | * CALCULATE INTERACTIONS * |
| 1242 | **************************/ |
| 1243 | |
| 1244 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1245 | felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2)); |
| 1246 | |
| 1247 | fscal = felec; |
| 1248 | |
| 1249 | /* Calculate temporary vectorial force */ |
| 1250 | tx = _mm_mul_ps(fscal,dx01); |
| 1251 | ty = _mm_mul_ps(fscal,dy01); |
| 1252 | tz = _mm_mul_ps(fscal,dz01); |
| 1253 | |
| 1254 | /* Update vectorial force */ |
| 1255 | fix0 = _mm_add_ps(fix0,tx); |
| 1256 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1257 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1258 | |
| 1259 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1260 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1261 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1262 | |
| 1263 | /************************** |
| 1264 | * CALCULATE INTERACTIONS * |
| 1265 | **************************/ |
| 1266 | |
| 1267 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1268 | felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2)); |
| 1269 | |
| 1270 | fscal = felec; |
| 1271 | |
| 1272 | /* Calculate temporary vectorial force */ |
| 1273 | tx = _mm_mul_ps(fscal,dx02); |
| 1274 | ty = _mm_mul_ps(fscal,dy02); |
| 1275 | tz = _mm_mul_ps(fscal,dz02); |
| 1276 | |
| 1277 | /* Update vectorial force */ |
| 1278 | fix0 = _mm_add_ps(fix0,tx); |
| 1279 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1280 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1281 | |
| 1282 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1283 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1284 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1285 | |
| 1286 | /************************** |
| 1287 | * CALCULATE INTERACTIONS * |
| 1288 | **************************/ |
| 1289 | |
| 1290 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1291 | felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2)); |
| 1292 | |
| 1293 | fscal = felec; |
| 1294 | |
| 1295 | /* Calculate temporary vectorial force */ |
| 1296 | tx = _mm_mul_ps(fscal,dx10); |
| 1297 | ty = _mm_mul_ps(fscal,dy10); |
| 1298 | tz = _mm_mul_ps(fscal,dz10); |
| 1299 | |
| 1300 | /* Update vectorial force */ |
| 1301 | fix1 = _mm_add_ps(fix1,tx); |
| 1302 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1303 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1304 | |
| 1305 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1306 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1307 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1308 | |
| 1309 | /************************** |
| 1310 | * CALCULATE INTERACTIONS * |
| 1311 | **************************/ |
| 1312 | |
| 1313 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1314 | felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2)); |
| 1315 | |
| 1316 | fscal = felec; |
| 1317 | |
| 1318 | /* Calculate temporary vectorial force */ |
| 1319 | tx = _mm_mul_ps(fscal,dx11); |
| 1320 | ty = _mm_mul_ps(fscal,dy11); |
| 1321 | tz = _mm_mul_ps(fscal,dz11); |
| 1322 | |
| 1323 | /* Update vectorial force */ |
| 1324 | fix1 = _mm_add_ps(fix1,tx); |
| 1325 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1326 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1327 | |
| 1328 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1329 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1330 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1331 | |
| 1332 | /************************** |
| 1333 | * CALCULATE INTERACTIONS * |
| 1334 | **************************/ |
| 1335 | |
| 1336 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1337 | felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2)); |
| 1338 | |
| 1339 | fscal = felec; |
| 1340 | |
| 1341 | /* Calculate temporary vectorial force */ |
| 1342 | tx = _mm_mul_ps(fscal,dx12); |
| 1343 | ty = _mm_mul_ps(fscal,dy12); |
| 1344 | tz = _mm_mul_ps(fscal,dz12); |
| 1345 | |
| 1346 | /* Update vectorial force */ |
| 1347 | fix1 = _mm_add_ps(fix1,tx); |
| 1348 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1349 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1350 | |
| 1351 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1352 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1353 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1354 | |
| 1355 | /************************** |
| 1356 | * CALCULATE INTERACTIONS * |
| 1357 | **************************/ |
| 1358 | |
| 1359 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1360 | felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2)); |
| 1361 | |
| 1362 | fscal = felec; |
| 1363 | |
| 1364 | /* Calculate temporary vectorial force */ |
| 1365 | tx = _mm_mul_ps(fscal,dx20); |
| 1366 | ty = _mm_mul_ps(fscal,dy20); |
| 1367 | tz = _mm_mul_ps(fscal,dz20); |
| 1368 | |
| 1369 | /* Update vectorial force */ |
| 1370 | fix2 = _mm_add_ps(fix2,tx); |
| 1371 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1372 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1373 | |
| 1374 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1375 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1376 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1377 | |
| 1378 | /************************** |
| 1379 | * CALCULATE INTERACTIONS * |
| 1380 | **************************/ |
| 1381 | |
| 1382 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1383 | felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2)); |
| 1384 | |
| 1385 | fscal = felec; |
| 1386 | |
| 1387 | /* Calculate temporary vectorial force */ |
| 1388 | tx = _mm_mul_ps(fscal,dx21); |
| 1389 | ty = _mm_mul_ps(fscal,dy21); |
| 1390 | tz = _mm_mul_ps(fscal,dz21); |
| 1391 | |
| 1392 | /* Update vectorial force */ |
| 1393 | fix2 = _mm_add_ps(fix2,tx); |
| 1394 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1395 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1396 | |
| 1397 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1398 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1399 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1400 | |
| 1401 | /************************** |
| 1402 | * CALCULATE INTERACTIONS * |
| 1403 | **************************/ |
| 1404 | |
| 1405 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1406 | felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2)); |
| 1407 | |
| 1408 | fscal = felec; |
| 1409 | |
| 1410 | /* Calculate temporary vectorial force */ |
| 1411 | tx = _mm_mul_ps(fscal,dx22); |
| 1412 | ty = _mm_mul_ps(fscal,dy22); |
| 1413 | tz = _mm_mul_ps(fscal,dz22); |
| 1414 | |
| 1415 | /* Update vectorial force */ |
| 1416 | fix2 = _mm_add_ps(fix2,tx); |
| 1417 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1418 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1419 | |
| 1420 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1421 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1422 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1423 | |
| 1424 | fjptrA = f+j_coord_offsetA; |
| 1425 | fjptrB = f+j_coord_offsetB; |
| 1426 | fjptrC = f+j_coord_offsetC; |
| 1427 | fjptrD = f+j_coord_offsetD; |
| 1428 | |
| 1429 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 1430 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 1431 | |
| 1432 | /* Inner loop uses 250 flops */ |
| 1433 | } |
| 1434 | |
| 1435 | if(jidx<j_index_end) |
| 1436 | { |
| 1437 | |
| 1438 | /* Get j neighbor index, and coordinate index */ |
| 1439 | jnrlistA = jjnr[jidx]; |
| 1440 | jnrlistB = jjnr[jidx+1]; |
| 1441 | jnrlistC = jjnr[jidx+2]; |
| 1442 | jnrlistD = jjnr[jidx+3]; |
| 1443 | /* Sign of each element will be negative for non-real atoms. |
| 1444 | * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones, |
| 1445 | * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries. |
| 1446 | */ |
| 1447 | dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128())); |
| 1448 | jnrA = (jnrlistA>=0) ? jnrlistA : 0; |
| 1449 | jnrB = (jnrlistB>=0) ? jnrlistB : 0; |
| 1450 | jnrC = (jnrlistC>=0) ? jnrlistC : 0; |
| 1451 | jnrD = (jnrlistD>=0) ? jnrlistD : 0; |
| 1452 | j_coord_offsetA = DIM3*jnrA; |
| 1453 | j_coord_offsetB = DIM3*jnrB; |
| 1454 | j_coord_offsetC = DIM3*jnrC; |
| 1455 | j_coord_offsetD = DIM3*jnrD; |
| 1456 | |
| 1457 | /* load j atom coordinates */ |
| 1458 | gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB, |
| 1459 | x+j_coord_offsetC,x+j_coord_offsetD, |
| 1460 | &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2); |
| 1461 | |
| 1462 | /* Calculate displacement vector */ |
| 1463 | dx00 = _mm_sub_ps(ix0,jx0); |
| 1464 | dy00 = _mm_sub_ps(iy0,jy0); |
| 1465 | dz00 = _mm_sub_ps(iz0,jz0); |
| 1466 | dx01 = _mm_sub_ps(ix0,jx1); |
| 1467 | dy01 = _mm_sub_ps(iy0,jy1); |
| 1468 | dz01 = _mm_sub_ps(iz0,jz1); |
| 1469 | dx02 = _mm_sub_ps(ix0,jx2); |
| 1470 | dy02 = _mm_sub_ps(iy0,jy2); |
| 1471 | dz02 = _mm_sub_ps(iz0,jz2); |
| 1472 | dx10 = _mm_sub_ps(ix1,jx0); |
| 1473 | dy10 = _mm_sub_ps(iy1,jy0); |
| 1474 | dz10 = _mm_sub_ps(iz1,jz0); |
| 1475 | dx11 = _mm_sub_ps(ix1,jx1); |
| 1476 | dy11 = _mm_sub_ps(iy1,jy1); |
| 1477 | dz11 = _mm_sub_ps(iz1,jz1); |
| 1478 | dx12 = _mm_sub_ps(ix1,jx2); |
| 1479 | dy12 = _mm_sub_ps(iy1,jy2); |
| 1480 | dz12 = _mm_sub_ps(iz1,jz2); |
| 1481 | dx20 = _mm_sub_ps(ix2,jx0); |
| 1482 | dy20 = _mm_sub_ps(iy2,jy0); |
| 1483 | dz20 = _mm_sub_ps(iz2,jz0); |
| 1484 | dx21 = _mm_sub_ps(ix2,jx1); |
| 1485 | dy21 = _mm_sub_ps(iy2,jy1); |
| 1486 | dz21 = _mm_sub_ps(iz2,jz1); |
| 1487 | dx22 = _mm_sub_ps(ix2,jx2); |
| 1488 | dy22 = _mm_sub_ps(iy2,jy2); |
| 1489 | dz22 = _mm_sub_ps(iz2,jz2); |
| 1490 | |
| 1491 | /* Calculate squared distance and things based on it */ |
| 1492 | rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00); |
| 1493 | rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01); |
| 1494 | rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02); |
| 1495 | rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10); |
| 1496 | rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11); |
| 1497 | rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12); |
| 1498 | rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20); |
| 1499 | rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21); |
| 1500 | rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22); |
| 1501 | |
| 1502 | rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00); |
| 1503 | rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01); |
| 1504 | rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02); |
| 1505 | rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10); |
| 1506 | rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11); |
| 1507 | rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12); |
| 1508 | rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20); |
| 1509 | rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21); |
| 1510 | rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22); |
| 1511 | |
| 1512 | rinvsq00 = _mm_mul_ps(rinv00,rinv00); |
| 1513 | rinvsq01 = _mm_mul_ps(rinv01,rinv01); |
| 1514 | rinvsq02 = _mm_mul_ps(rinv02,rinv02); |
| 1515 | rinvsq10 = _mm_mul_ps(rinv10,rinv10); |
| 1516 | rinvsq11 = _mm_mul_ps(rinv11,rinv11); |
| 1517 | rinvsq12 = _mm_mul_ps(rinv12,rinv12); |
| 1518 | rinvsq20 = _mm_mul_ps(rinv20,rinv20); |
| 1519 | rinvsq21 = _mm_mul_ps(rinv21,rinv21); |
| 1520 | rinvsq22 = _mm_mul_ps(rinv22,rinv22); |
| 1521 | |
| 1522 | fjx0 = _mm_setzero_ps(); |
| 1523 | fjy0 = _mm_setzero_ps(); |
| 1524 | fjz0 = _mm_setzero_ps(); |
| 1525 | fjx1 = _mm_setzero_ps(); |
| 1526 | fjy1 = _mm_setzero_ps(); |
| 1527 | fjz1 = _mm_setzero_ps(); |
| 1528 | fjx2 = _mm_setzero_ps(); |
| 1529 | fjy2 = _mm_setzero_ps(); |
| 1530 | fjz2 = _mm_setzero_ps(); |
| 1531 | |
| 1532 | /************************** |
| 1533 | * CALCULATE INTERACTIONS * |
| 1534 | **************************/ |
| 1535 | |
| 1536 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1537 | felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2)); |
| 1538 | |
| 1539 | /* LENNARD-JONES DISPERSION/REPULSION */ |
| 1540 | |
| 1541 | rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00); |
| 1542 | fvdw = _mm_mul_ps(_mm_sub_ps(_mm_mul_ps(c12_00,rinvsix),c6_00),_mm_mul_ps(rinvsix,rinvsq00)); |
| 1543 | |
| 1544 | fscal = _mm_add_ps(felec,fvdw); |
| 1545 | |
| 1546 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1547 | |
| 1548 | /* Calculate temporary vectorial force */ |
| 1549 | tx = _mm_mul_ps(fscal,dx00); |
| 1550 | ty = _mm_mul_ps(fscal,dy00); |
| 1551 | tz = _mm_mul_ps(fscal,dz00); |
| 1552 | |
| 1553 | /* Update vectorial force */ |
| 1554 | fix0 = _mm_add_ps(fix0,tx); |
| 1555 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1556 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1557 | |
| 1558 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1559 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1560 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1561 | |
| 1562 | /************************** |
| 1563 | * CALCULATE INTERACTIONS * |
| 1564 | **************************/ |
| 1565 | |
| 1566 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1567 | felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2)); |
| 1568 | |
| 1569 | fscal = felec; |
| 1570 | |
| 1571 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1572 | |
| 1573 | /* Calculate temporary vectorial force */ |
| 1574 | tx = _mm_mul_ps(fscal,dx01); |
| 1575 | ty = _mm_mul_ps(fscal,dy01); |
| 1576 | tz = _mm_mul_ps(fscal,dz01); |
| 1577 | |
| 1578 | /* Update vectorial force */ |
| 1579 | fix0 = _mm_add_ps(fix0,tx); |
| 1580 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1581 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1582 | |
| 1583 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1584 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1585 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1586 | |
| 1587 | /************************** |
| 1588 | * CALCULATE INTERACTIONS * |
| 1589 | **************************/ |
| 1590 | |
| 1591 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1592 | felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2)); |
| 1593 | |
| 1594 | fscal = felec; |
| 1595 | |
| 1596 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1597 | |
| 1598 | /* Calculate temporary vectorial force */ |
| 1599 | tx = _mm_mul_ps(fscal,dx02); |
| 1600 | ty = _mm_mul_ps(fscal,dy02); |
| 1601 | tz = _mm_mul_ps(fscal,dz02); |
| 1602 | |
| 1603 | /* Update vectorial force */ |
| 1604 | fix0 = _mm_add_ps(fix0,tx); |
| 1605 | fiy0 = _mm_add_ps(fiy0,ty); |
| 1606 | fiz0 = _mm_add_ps(fiz0,tz); |
| 1607 | |
| 1608 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1609 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1610 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1611 | |
| 1612 | /************************** |
| 1613 | * CALCULATE INTERACTIONS * |
| 1614 | **************************/ |
| 1615 | |
| 1616 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1617 | felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2)); |
| 1618 | |
| 1619 | fscal = felec; |
| 1620 | |
| 1621 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1622 | |
| 1623 | /* Calculate temporary vectorial force */ |
| 1624 | tx = _mm_mul_ps(fscal,dx10); |
| 1625 | ty = _mm_mul_ps(fscal,dy10); |
| 1626 | tz = _mm_mul_ps(fscal,dz10); |
| 1627 | |
| 1628 | /* Update vectorial force */ |
| 1629 | fix1 = _mm_add_ps(fix1,tx); |
| 1630 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1631 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1632 | |
| 1633 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1634 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1635 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1636 | |
| 1637 | /************************** |
| 1638 | * CALCULATE INTERACTIONS * |
| 1639 | **************************/ |
| 1640 | |
| 1641 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1642 | felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2)); |
| 1643 | |
| 1644 | fscal = felec; |
| 1645 | |
| 1646 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1647 | |
| 1648 | /* Calculate temporary vectorial force */ |
| 1649 | tx = _mm_mul_ps(fscal,dx11); |
| 1650 | ty = _mm_mul_ps(fscal,dy11); |
| 1651 | tz = _mm_mul_ps(fscal,dz11); |
| 1652 | |
| 1653 | /* Update vectorial force */ |
| 1654 | fix1 = _mm_add_ps(fix1,tx); |
| 1655 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1656 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1657 | |
| 1658 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1659 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1660 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1661 | |
| 1662 | /************************** |
| 1663 | * CALCULATE INTERACTIONS * |
| 1664 | **************************/ |
| 1665 | |
| 1666 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1667 | felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2)); |
| 1668 | |
| 1669 | fscal = felec; |
| 1670 | |
| 1671 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1672 | |
| 1673 | /* Calculate temporary vectorial force */ |
| 1674 | tx = _mm_mul_ps(fscal,dx12); |
| 1675 | ty = _mm_mul_ps(fscal,dy12); |
| 1676 | tz = _mm_mul_ps(fscal,dz12); |
| 1677 | |
| 1678 | /* Update vectorial force */ |
| 1679 | fix1 = _mm_add_ps(fix1,tx); |
| 1680 | fiy1 = _mm_add_ps(fiy1,ty); |
| 1681 | fiz1 = _mm_add_ps(fiz1,tz); |
| 1682 | |
| 1683 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1684 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1685 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1686 | |
| 1687 | /************************** |
| 1688 | * CALCULATE INTERACTIONS * |
| 1689 | **************************/ |
| 1690 | |
| 1691 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1692 | felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2)); |
| 1693 | |
| 1694 | fscal = felec; |
| 1695 | |
| 1696 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1697 | |
| 1698 | /* Calculate temporary vectorial force */ |
| 1699 | tx = _mm_mul_ps(fscal,dx20); |
| 1700 | ty = _mm_mul_ps(fscal,dy20); |
| 1701 | tz = _mm_mul_ps(fscal,dz20); |
| 1702 | |
| 1703 | /* Update vectorial force */ |
| 1704 | fix2 = _mm_add_ps(fix2,tx); |
| 1705 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1706 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1707 | |
| 1708 | fjx0 = _mm_add_ps(fjx0,tx); |
| 1709 | fjy0 = _mm_add_ps(fjy0,ty); |
| 1710 | fjz0 = _mm_add_ps(fjz0,tz); |
| 1711 | |
| 1712 | /************************** |
| 1713 | * CALCULATE INTERACTIONS * |
| 1714 | **************************/ |
| 1715 | |
| 1716 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1717 | felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2)); |
| 1718 | |
| 1719 | fscal = felec; |
| 1720 | |
| 1721 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1722 | |
| 1723 | /* Calculate temporary vectorial force */ |
| 1724 | tx = _mm_mul_ps(fscal,dx21); |
| 1725 | ty = _mm_mul_ps(fscal,dy21); |
| 1726 | tz = _mm_mul_ps(fscal,dz21); |
| 1727 | |
| 1728 | /* Update vectorial force */ |
| 1729 | fix2 = _mm_add_ps(fix2,tx); |
| 1730 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1731 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1732 | |
| 1733 | fjx1 = _mm_add_ps(fjx1,tx); |
| 1734 | fjy1 = _mm_add_ps(fjy1,ty); |
| 1735 | fjz1 = _mm_add_ps(fjz1,tz); |
| 1736 | |
| 1737 | /************************** |
| 1738 | * CALCULATE INTERACTIONS * |
| 1739 | **************************/ |
| 1740 | |
| 1741 | /* REACTION-FIELD ELECTROSTATICS */ |
| 1742 | felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2)); |
| 1743 | |
| 1744 | fscal = felec; |
| 1745 | |
| 1746 | fscal = _mm_andnot_ps(dummy_mask,fscal); |
| 1747 | |
| 1748 | /* Calculate temporary vectorial force */ |
| 1749 | tx = _mm_mul_ps(fscal,dx22); |
| 1750 | ty = _mm_mul_ps(fscal,dy22); |
| 1751 | tz = _mm_mul_ps(fscal,dz22); |
| 1752 | |
| 1753 | /* Update vectorial force */ |
| 1754 | fix2 = _mm_add_ps(fix2,tx); |
| 1755 | fiy2 = _mm_add_ps(fiy2,ty); |
| 1756 | fiz2 = _mm_add_ps(fiz2,tz); |
| 1757 | |
| 1758 | fjx2 = _mm_add_ps(fjx2,tx); |
| 1759 | fjy2 = _mm_add_ps(fjy2,ty); |
| 1760 | fjz2 = _mm_add_ps(fjz2,tz); |
| 1761 | |
| 1762 | fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch; |
| 1763 | fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch; |
| 1764 | fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch; |
| 1765 | fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch; |
| 1766 | |
| 1767 | gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD, |
| 1768 | fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2); |
| 1769 | |
| 1770 | /* Inner loop uses 250 flops */ |
| 1771 | } |
| 1772 | |
| 1773 | /* End of innermost loop */ |
| 1774 | |
| 1775 | gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2, |
| 1776 | f+i_coord_offset,fshift+i_shift_offset); |
| 1777 | |
| 1778 | /* Increment number of inner iterations */ |
| 1779 | inneriter += j_index_end - j_index_start; |
| 1780 | |
| 1781 | /* Outer loop uses 18 flops */ |
| 1782 | } |
| 1783 | |
| 1784 | /* Increment number of outer iterations */ |
| 1785 | outeriter += nri; |
| 1786 | |
| 1787 | /* Update outer/inner flops */ |
| 1788 | |
| 1789 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_F,outeriter*18 + inneriter*250)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_F] += outeriter*18 + inneriter *250; |
| 1790 | } |