Bug Summary

File:gromacs/gmxlib/nonbonded/nb_kernel_sse4_1_single/nb_kernel_ElecRF_VdwCSTab_GeomW4W4_sse4_1_single.c
Location:line 125, column 22
Description:Value stored to 'one' during its initialization is never read

Annotated Source Code

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_VdwCSTab_GeomW4W4_VF_sse4_1_single
54 * Electrostatics interaction: ReactionField
55 * VdW interaction: CubicSplineTable
56 * Geometry: Water4-Water4
57 * Calculate force/pot: PotentialAndForce
58 */
59void
60nb_kernel_ElecRF_VdwCSTab_GeomW4W4_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 vdwioffset3;
92 __m128 ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
93 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
94 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
95 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
96 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
97 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
98 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
99 int vdwjidx3A,vdwjidx3B,vdwjidx3C,vdwjidx3D;
100 __m128 jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
101 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
102 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
103 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
104 __m128 dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
105 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
106 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
107 __m128 dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
108 __m128 dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
109 __m128 dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
110 __m128 dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
111 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
112 real *charge;
113 int nvdwtype;
114 __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
115 int *vdwtype;
116 real *vdwparam;
117 __m128 one_sixth = _mm_set1_ps(1.0/6.0);
118 __m128 one_twelfth = _mm_set1_ps(1.0/12.0);
119 __m128i vfitab;
120 __m128i ifour = _mm_set1_epi32(4);
121 __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF;
122 real *vftab;
123 __m128 dummy_mask,cutoff_mask;
124 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
125 __m128 one = _mm_set1_ps(1.0);
Value stored to 'one' during its initialization is never read
126 __m128 two = _mm_set1_ps(2.0);
127 x = xx[0];
128 f = ff[0];
129
130 nri = nlist->nri;
131 iinr = nlist->iinr;
132 jindex = nlist->jindex;
133 jjnr = nlist->jjnr;
134 shiftidx = nlist->shift;
135 gid = nlist->gid;
136 shiftvec = fr->shift_vec[0];
137 fshift = fr->fshift[0];
138 facel = _mm_set1_ps(fr->epsfac);
139 charge = mdatoms->chargeA;
140 krf = _mm_set1_ps(fr->ic->k_rf);
141 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
142 crf = _mm_set1_ps(fr->ic->c_rf);
143 nvdwtype = fr->ntype;
144 vdwparam = fr->nbfp;
145 vdwtype = mdatoms->typeA;
146
147 vftab = kernel_data->table_vdw->data;
148 vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale);
149
150 /* Setup water-specific parameters */
151 inr = nlist->iinr[0];
152 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
153 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
154 iq3 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+3]));
155 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
156
157 jq1 = _mm_set1_ps(charge[inr+1]);
158 jq2 = _mm_set1_ps(charge[inr+2]);
159 jq3 = _mm_set1_ps(charge[inr+3]);
160 vdwjidx0A = 2*vdwtype[inr+0];
161 c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]);
162 c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]);
163 qq11 = _mm_mul_ps(iq1,jq1);
164 qq12 = _mm_mul_ps(iq1,jq2);
165 qq13 = _mm_mul_ps(iq1,jq3);
166 qq21 = _mm_mul_ps(iq2,jq1);
167 qq22 = _mm_mul_ps(iq2,jq2);
168 qq23 = _mm_mul_ps(iq2,jq3);
169 qq31 = _mm_mul_ps(iq3,jq1);
170 qq32 = _mm_mul_ps(iq3,jq2);
171 qq33 = _mm_mul_ps(iq3,jq3);
172
173 /* Avoid stupid compiler warnings */
174 jnrA = jnrB = jnrC = jnrD = 0;
175 j_coord_offsetA = 0;
176 j_coord_offsetB = 0;
177 j_coord_offsetC = 0;
178 j_coord_offsetD = 0;
179
180 outeriter = 0;
181 inneriter = 0;
182
183 for(iidx=0;iidx<4*DIM3;iidx++)
184 {
185 scratch[iidx] = 0.0;
186 }
187
188 /* Start outer loop over neighborlists */
189 for(iidx=0; iidx<nri; iidx++)
190 {
191 /* Load shift vector for this list */
192 i_shift_offset = DIM3*shiftidx[iidx];
193
194 /* Load limits for loop over neighbors */
195 j_index_start = jindex[iidx];
196 j_index_end = jindex[iidx+1];
197
198 /* Get outer coordinate index */
199 inr = iinr[iidx];
200 i_coord_offset = DIM3*inr;
201
202 /* Load i particle coords and add shift vector */
203 gmx_mm_load_shift_and_4rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
204 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
205
206 fix0 = _mm_setzero_ps();
207 fiy0 = _mm_setzero_ps();
208 fiz0 = _mm_setzero_ps();
209 fix1 = _mm_setzero_ps();
210 fiy1 = _mm_setzero_ps();
211 fiz1 = _mm_setzero_ps();
212 fix2 = _mm_setzero_ps();
213 fiy2 = _mm_setzero_ps();
214 fiz2 = _mm_setzero_ps();
215 fix3 = _mm_setzero_ps();
216 fiy3 = _mm_setzero_ps();
217 fiz3 = _mm_setzero_ps();
218
219 /* Reset potential sums */
220 velecsum = _mm_setzero_ps();
221 vvdwsum = _mm_setzero_ps();
222
223 /* Start inner kernel loop */
224 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
225 {
226
227 /* Get j neighbor index, and coordinate index */
228 jnrA = jjnr[jidx];
229 jnrB = jjnr[jidx+1];
230 jnrC = jjnr[jidx+2];
231 jnrD = jjnr[jidx+3];
232 j_coord_offsetA = DIM3*jnrA;
233 j_coord_offsetB = DIM3*jnrB;
234 j_coord_offsetC = DIM3*jnrC;
235 j_coord_offsetD = DIM3*jnrD;
236
237 /* load j atom coordinates */
238 gmx_mm_load_4rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
239 x+j_coord_offsetC,x+j_coord_offsetD,
240 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,
241 &jy2,&jz2,&jx3,&jy3,&jz3);
242
243 /* Calculate displacement vector */
244 dx00 = _mm_sub_ps(ix0,jx0);
245 dy00 = _mm_sub_ps(iy0,jy0);
246 dz00 = _mm_sub_ps(iz0,jz0);
247 dx11 = _mm_sub_ps(ix1,jx1);
248 dy11 = _mm_sub_ps(iy1,jy1);
249 dz11 = _mm_sub_ps(iz1,jz1);
250 dx12 = _mm_sub_ps(ix1,jx2);
251 dy12 = _mm_sub_ps(iy1,jy2);
252 dz12 = _mm_sub_ps(iz1,jz2);
253 dx13 = _mm_sub_ps(ix1,jx3);
254 dy13 = _mm_sub_ps(iy1,jy3);
255 dz13 = _mm_sub_ps(iz1,jz3);
256 dx21 = _mm_sub_ps(ix2,jx1);
257 dy21 = _mm_sub_ps(iy2,jy1);
258 dz21 = _mm_sub_ps(iz2,jz1);
259 dx22 = _mm_sub_ps(ix2,jx2);
260 dy22 = _mm_sub_ps(iy2,jy2);
261 dz22 = _mm_sub_ps(iz2,jz2);
262 dx23 = _mm_sub_ps(ix2,jx3);
263 dy23 = _mm_sub_ps(iy2,jy3);
264 dz23 = _mm_sub_ps(iz2,jz3);
265 dx31 = _mm_sub_ps(ix3,jx1);
266 dy31 = _mm_sub_ps(iy3,jy1);
267 dz31 = _mm_sub_ps(iz3,jz1);
268 dx32 = _mm_sub_ps(ix3,jx2);
269 dy32 = _mm_sub_ps(iy3,jy2);
270 dz32 = _mm_sub_ps(iz3,jz2);
271 dx33 = _mm_sub_ps(ix3,jx3);
272 dy33 = _mm_sub_ps(iy3,jy3);
273 dz33 = _mm_sub_ps(iz3,jz3);
274
275 /* Calculate squared distance and things based on it */
276 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
277 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
278 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
279 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
280 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
281 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
282 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
283 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
284 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
285 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
286
287 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
288 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
289 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
290 rinv13 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq13);
291 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
292 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
293 rinv23 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq23);
294 rinv31 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq31);
295 rinv32 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq32);
296 rinv33 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq33);
297
298 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
299 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
300 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
301 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
302 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
303 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
304 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
305 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
306 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
307
308 fjx0 = _mm_setzero_ps();
309 fjy0 = _mm_setzero_ps();
310 fjz0 = _mm_setzero_ps();
311 fjx1 = _mm_setzero_ps();
312 fjy1 = _mm_setzero_ps();
313 fjz1 = _mm_setzero_ps();
314 fjx2 = _mm_setzero_ps();
315 fjy2 = _mm_setzero_ps();
316 fjz2 = _mm_setzero_ps();
317 fjx3 = _mm_setzero_ps();
318 fjy3 = _mm_setzero_ps();
319 fjz3 = _mm_setzero_ps();
320
321 /**************************
322 * CALCULATE INTERACTIONS *
323 **************************/
324
325 r00 = _mm_mul_ps(rsq00,rinv00);
326
327 /* Calculate table index by multiplying r with table scale and truncate to integer */
328 rt = _mm_mul_ps(r00,vftabscale);
329 vfitab = _mm_cvttps_epi32(rt);
330 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
331 vfitab = _mm_slli_epi32(vfitab,3);
332
333 /* CUBIC SPLINE TABLE DISPERSION */
334 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
335 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
336 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
337 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
338 _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)
;
339 Heps = _mm_mul_ps(vfeps,H);
340 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
341 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
342 vvdw6 = _mm_mul_ps(c6_00,VV);
343 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
344 fvdw6 = _mm_mul_ps(c6_00,FF);
345
346 /* CUBIC SPLINE TABLE REPULSION */
347 vfitab = _mm_add_epi32(vfitab,ifour);
348 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
349 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
350 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
351 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
352 _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)
;
353 Heps = _mm_mul_ps(vfeps,H);
354 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
355 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
356 vvdw12 = _mm_mul_ps(c12_00,VV);
357 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
358 fvdw12 = _mm_mul_ps(c12_00,FF);
359 vvdw = _mm_add_ps(vvdw12,vvdw6);
360 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
361
362 /* Update potential sum for this i atom from the interaction with this j atom. */
363 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
364
365 fscal = fvdw;
366
367 /* Calculate temporary vectorial force */
368 tx = _mm_mul_ps(fscal,dx00);
369 ty = _mm_mul_ps(fscal,dy00);
370 tz = _mm_mul_ps(fscal,dz00);
371
372 /* Update vectorial force */
373 fix0 = _mm_add_ps(fix0,tx);
374 fiy0 = _mm_add_ps(fiy0,ty);
375 fiz0 = _mm_add_ps(fiz0,tz);
376
377 fjx0 = _mm_add_ps(fjx0,tx);
378 fjy0 = _mm_add_ps(fjy0,ty);
379 fjz0 = _mm_add_ps(fjz0,tz);
380
381 /**************************
382 * CALCULATE INTERACTIONS *
383 **************************/
384
385 /* REACTION-FIELD ELECTROSTATICS */
386 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
387 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
388
389 /* Update potential sum for this i atom from the interaction with this j atom. */
390 velecsum = _mm_add_ps(velecsum,velec);
391
392 fscal = felec;
393
394 /* Calculate temporary vectorial force */
395 tx = _mm_mul_ps(fscal,dx11);
396 ty = _mm_mul_ps(fscal,dy11);
397 tz = _mm_mul_ps(fscal,dz11);
398
399 /* Update vectorial force */
400 fix1 = _mm_add_ps(fix1,tx);
401 fiy1 = _mm_add_ps(fiy1,ty);
402 fiz1 = _mm_add_ps(fiz1,tz);
403
404 fjx1 = _mm_add_ps(fjx1,tx);
405 fjy1 = _mm_add_ps(fjy1,ty);
406 fjz1 = _mm_add_ps(fjz1,tz);
407
408 /**************************
409 * CALCULATE INTERACTIONS *
410 **************************/
411
412 /* REACTION-FIELD ELECTROSTATICS */
413 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
414 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
415
416 /* Update potential sum for this i atom from the interaction with this j atom. */
417 velecsum = _mm_add_ps(velecsum,velec);
418
419 fscal = felec;
420
421 /* Calculate temporary vectorial force */
422 tx = _mm_mul_ps(fscal,dx12);
423 ty = _mm_mul_ps(fscal,dy12);
424 tz = _mm_mul_ps(fscal,dz12);
425
426 /* Update vectorial force */
427 fix1 = _mm_add_ps(fix1,tx);
428 fiy1 = _mm_add_ps(fiy1,ty);
429 fiz1 = _mm_add_ps(fiz1,tz);
430
431 fjx2 = _mm_add_ps(fjx2,tx);
432 fjy2 = _mm_add_ps(fjy2,ty);
433 fjz2 = _mm_add_ps(fjz2,tz);
434
435 /**************************
436 * CALCULATE INTERACTIONS *
437 **************************/
438
439 /* REACTION-FIELD ELECTROSTATICS */
440 velec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_add_ps(rinv13,_mm_mul_ps(krf,rsq13)),crf));
441 felec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_mul_ps(rinv13,rinvsq13),krf2));
442
443 /* Update potential sum for this i atom from the interaction with this j atom. */
444 velecsum = _mm_add_ps(velecsum,velec);
445
446 fscal = felec;
447
448 /* Calculate temporary vectorial force */
449 tx = _mm_mul_ps(fscal,dx13);
450 ty = _mm_mul_ps(fscal,dy13);
451 tz = _mm_mul_ps(fscal,dz13);
452
453 /* Update vectorial force */
454 fix1 = _mm_add_ps(fix1,tx);
455 fiy1 = _mm_add_ps(fiy1,ty);
456 fiz1 = _mm_add_ps(fiz1,tz);
457
458 fjx3 = _mm_add_ps(fjx3,tx);
459 fjy3 = _mm_add_ps(fjy3,ty);
460 fjz3 = _mm_add_ps(fjz3,tz);
461
462 /**************************
463 * CALCULATE INTERACTIONS *
464 **************************/
465
466 /* REACTION-FIELD ELECTROSTATICS */
467 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
468 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
469
470 /* Update potential sum for this i atom from the interaction with this j atom. */
471 velecsum = _mm_add_ps(velecsum,velec);
472
473 fscal = felec;
474
475 /* Calculate temporary vectorial force */
476 tx = _mm_mul_ps(fscal,dx21);
477 ty = _mm_mul_ps(fscal,dy21);
478 tz = _mm_mul_ps(fscal,dz21);
479
480 /* Update vectorial force */
481 fix2 = _mm_add_ps(fix2,tx);
482 fiy2 = _mm_add_ps(fiy2,ty);
483 fiz2 = _mm_add_ps(fiz2,tz);
484
485 fjx1 = _mm_add_ps(fjx1,tx);
486 fjy1 = _mm_add_ps(fjy1,ty);
487 fjz1 = _mm_add_ps(fjz1,tz);
488
489 /**************************
490 * CALCULATE INTERACTIONS *
491 **************************/
492
493 /* REACTION-FIELD ELECTROSTATICS */
494 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
495 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
496
497 /* Update potential sum for this i atom from the interaction with this j atom. */
498 velecsum = _mm_add_ps(velecsum,velec);
499
500 fscal = felec;
501
502 /* Calculate temporary vectorial force */
503 tx = _mm_mul_ps(fscal,dx22);
504 ty = _mm_mul_ps(fscal,dy22);
505 tz = _mm_mul_ps(fscal,dz22);
506
507 /* Update vectorial force */
508 fix2 = _mm_add_ps(fix2,tx);
509 fiy2 = _mm_add_ps(fiy2,ty);
510 fiz2 = _mm_add_ps(fiz2,tz);
511
512 fjx2 = _mm_add_ps(fjx2,tx);
513 fjy2 = _mm_add_ps(fjy2,ty);
514 fjz2 = _mm_add_ps(fjz2,tz);
515
516 /**************************
517 * CALCULATE INTERACTIONS *
518 **************************/
519
520 /* REACTION-FIELD ELECTROSTATICS */
521 velec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_add_ps(rinv23,_mm_mul_ps(krf,rsq23)),crf));
522 felec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_mul_ps(rinv23,rinvsq23),krf2));
523
524 /* Update potential sum for this i atom from the interaction with this j atom. */
525 velecsum = _mm_add_ps(velecsum,velec);
526
527 fscal = felec;
528
529 /* Calculate temporary vectorial force */
530 tx = _mm_mul_ps(fscal,dx23);
531 ty = _mm_mul_ps(fscal,dy23);
532 tz = _mm_mul_ps(fscal,dz23);
533
534 /* Update vectorial force */
535 fix2 = _mm_add_ps(fix2,tx);
536 fiy2 = _mm_add_ps(fiy2,ty);
537 fiz2 = _mm_add_ps(fiz2,tz);
538
539 fjx3 = _mm_add_ps(fjx3,tx);
540 fjy3 = _mm_add_ps(fjy3,ty);
541 fjz3 = _mm_add_ps(fjz3,tz);
542
543 /**************************
544 * CALCULATE INTERACTIONS *
545 **************************/
546
547 /* REACTION-FIELD ELECTROSTATICS */
548 velec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_add_ps(rinv31,_mm_mul_ps(krf,rsq31)),crf));
549 felec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_mul_ps(rinv31,rinvsq31),krf2));
550
551 /* Update potential sum for this i atom from the interaction with this j atom. */
552 velecsum = _mm_add_ps(velecsum,velec);
553
554 fscal = felec;
555
556 /* Calculate temporary vectorial force */
557 tx = _mm_mul_ps(fscal,dx31);
558 ty = _mm_mul_ps(fscal,dy31);
559 tz = _mm_mul_ps(fscal,dz31);
560
561 /* Update vectorial force */
562 fix3 = _mm_add_ps(fix3,tx);
563 fiy3 = _mm_add_ps(fiy3,ty);
564 fiz3 = _mm_add_ps(fiz3,tz);
565
566 fjx1 = _mm_add_ps(fjx1,tx);
567 fjy1 = _mm_add_ps(fjy1,ty);
568 fjz1 = _mm_add_ps(fjz1,tz);
569
570 /**************************
571 * CALCULATE INTERACTIONS *
572 **************************/
573
574 /* REACTION-FIELD ELECTROSTATICS */
575 velec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_add_ps(rinv32,_mm_mul_ps(krf,rsq32)),crf));
576 felec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_mul_ps(rinv32,rinvsq32),krf2));
577
578 /* Update potential sum for this i atom from the interaction with this j atom. */
579 velecsum = _mm_add_ps(velecsum,velec);
580
581 fscal = felec;
582
583 /* Calculate temporary vectorial force */
584 tx = _mm_mul_ps(fscal,dx32);
585 ty = _mm_mul_ps(fscal,dy32);
586 tz = _mm_mul_ps(fscal,dz32);
587
588 /* Update vectorial force */
589 fix3 = _mm_add_ps(fix3,tx);
590 fiy3 = _mm_add_ps(fiy3,ty);
591 fiz3 = _mm_add_ps(fiz3,tz);
592
593 fjx2 = _mm_add_ps(fjx2,tx);
594 fjy2 = _mm_add_ps(fjy2,ty);
595 fjz2 = _mm_add_ps(fjz2,tz);
596
597 /**************************
598 * CALCULATE INTERACTIONS *
599 **************************/
600
601 /* REACTION-FIELD ELECTROSTATICS */
602 velec = _mm_mul_ps(qq33,_mm_sub_ps(_mm_add_ps(rinv33,_mm_mul_ps(krf,rsq33)),crf));
603 felec = _mm_mul_ps(qq33,_mm_sub_ps(_mm_mul_ps(rinv33,rinvsq33),krf2));
604
605 /* Update potential sum for this i atom from the interaction with this j atom. */
606 velecsum = _mm_add_ps(velecsum,velec);
607
608 fscal = felec;
609
610 /* Calculate temporary vectorial force */
611 tx = _mm_mul_ps(fscal,dx33);
612 ty = _mm_mul_ps(fscal,dy33);
613 tz = _mm_mul_ps(fscal,dz33);
614
615 /* Update vectorial force */
616 fix3 = _mm_add_ps(fix3,tx);
617 fiy3 = _mm_add_ps(fiy3,ty);
618 fiz3 = _mm_add_ps(fiz3,tz);
619
620 fjx3 = _mm_add_ps(fjx3,tx);
621 fjy3 = _mm_add_ps(fjy3,ty);
622 fjz3 = _mm_add_ps(fjz3,tz);
623
624 fjptrA = f+j_coord_offsetA;
625 fjptrB = f+j_coord_offsetB;
626 fjptrC = f+j_coord_offsetC;
627 fjptrD = f+j_coord_offsetD;
628
629 gmx_mm_decrement_4rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
630 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,
631 fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
632
633 /* Inner loop uses 347 flops */
634 }
635
636 if(jidx<j_index_end)
637 {
638
639 /* Get j neighbor index, and coordinate index */
640 jnrlistA = jjnr[jidx];
641 jnrlistB = jjnr[jidx+1];
642 jnrlistC = jjnr[jidx+2];
643 jnrlistD = jjnr[jidx+3];
644 /* Sign of each element will be negative for non-real atoms.
645 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
646 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
647 */
648 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
649 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
650 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
651 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
652 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
653 j_coord_offsetA = DIM3*jnrA;
654 j_coord_offsetB = DIM3*jnrB;
655 j_coord_offsetC = DIM3*jnrC;
656 j_coord_offsetD = DIM3*jnrD;
657
658 /* load j atom coordinates */
659 gmx_mm_load_4rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
660 x+j_coord_offsetC,x+j_coord_offsetD,
661 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,
662 &jy2,&jz2,&jx3,&jy3,&jz3);
663
664 /* Calculate displacement vector */
665 dx00 = _mm_sub_ps(ix0,jx0);
666 dy00 = _mm_sub_ps(iy0,jy0);
667 dz00 = _mm_sub_ps(iz0,jz0);
668 dx11 = _mm_sub_ps(ix1,jx1);
669 dy11 = _mm_sub_ps(iy1,jy1);
670 dz11 = _mm_sub_ps(iz1,jz1);
671 dx12 = _mm_sub_ps(ix1,jx2);
672 dy12 = _mm_sub_ps(iy1,jy2);
673 dz12 = _mm_sub_ps(iz1,jz2);
674 dx13 = _mm_sub_ps(ix1,jx3);
675 dy13 = _mm_sub_ps(iy1,jy3);
676 dz13 = _mm_sub_ps(iz1,jz3);
677 dx21 = _mm_sub_ps(ix2,jx1);
678 dy21 = _mm_sub_ps(iy2,jy1);
679 dz21 = _mm_sub_ps(iz2,jz1);
680 dx22 = _mm_sub_ps(ix2,jx2);
681 dy22 = _mm_sub_ps(iy2,jy2);
682 dz22 = _mm_sub_ps(iz2,jz2);
683 dx23 = _mm_sub_ps(ix2,jx3);
684 dy23 = _mm_sub_ps(iy2,jy3);
685 dz23 = _mm_sub_ps(iz2,jz3);
686 dx31 = _mm_sub_ps(ix3,jx1);
687 dy31 = _mm_sub_ps(iy3,jy1);
688 dz31 = _mm_sub_ps(iz3,jz1);
689 dx32 = _mm_sub_ps(ix3,jx2);
690 dy32 = _mm_sub_ps(iy3,jy2);
691 dz32 = _mm_sub_ps(iz3,jz2);
692 dx33 = _mm_sub_ps(ix3,jx3);
693 dy33 = _mm_sub_ps(iy3,jy3);
694 dz33 = _mm_sub_ps(iz3,jz3);
695
696 /* Calculate squared distance and things based on it */
697 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
698 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
699 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
700 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
701 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
702 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
703 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
704 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
705 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
706 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
707
708 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
709 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
710 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
711 rinv13 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq13);
712 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
713 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
714 rinv23 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq23);
715 rinv31 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq31);
716 rinv32 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq32);
717 rinv33 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq33);
718
719 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
720 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
721 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
722 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
723 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
724 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
725 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
726 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
727 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
728
729 fjx0 = _mm_setzero_ps();
730 fjy0 = _mm_setzero_ps();
731 fjz0 = _mm_setzero_ps();
732 fjx1 = _mm_setzero_ps();
733 fjy1 = _mm_setzero_ps();
734 fjz1 = _mm_setzero_ps();
735 fjx2 = _mm_setzero_ps();
736 fjy2 = _mm_setzero_ps();
737 fjz2 = _mm_setzero_ps();
738 fjx3 = _mm_setzero_ps();
739 fjy3 = _mm_setzero_ps();
740 fjz3 = _mm_setzero_ps();
741
742 /**************************
743 * CALCULATE INTERACTIONS *
744 **************************/
745
746 r00 = _mm_mul_ps(rsq00,rinv00);
747 r00 = _mm_andnot_ps(dummy_mask,r00);
748
749 /* Calculate table index by multiplying r with table scale and truncate to integer */
750 rt = _mm_mul_ps(r00,vftabscale);
751 vfitab = _mm_cvttps_epi32(rt);
752 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
753 vfitab = _mm_slli_epi32(vfitab,3);
754
755 /* CUBIC SPLINE TABLE DISPERSION */
756 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
757 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
758 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
759 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
760 _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)
;
761 Heps = _mm_mul_ps(vfeps,H);
762 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
763 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
764 vvdw6 = _mm_mul_ps(c6_00,VV);
765 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
766 fvdw6 = _mm_mul_ps(c6_00,FF);
767
768 /* CUBIC SPLINE TABLE REPULSION */
769 vfitab = _mm_add_epi32(vfitab,ifour);
770 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
771 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
772 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
773 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
774 _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)
;
775 Heps = _mm_mul_ps(vfeps,H);
776 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
777 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
778 vvdw12 = _mm_mul_ps(c12_00,VV);
779 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
780 fvdw12 = _mm_mul_ps(c12_00,FF);
781 vvdw = _mm_add_ps(vvdw12,vvdw6);
782 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
783
784 /* Update potential sum for this i atom from the interaction with this j atom. */
785 vvdw = _mm_andnot_ps(dummy_mask,vvdw);
786 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
787
788 fscal = fvdw;
789
790 fscal = _mm_andnot_ps(dummy_mask,fscal);
791
792 /* Calculate temporary vectorial force */
793 tx = _mm_mul_ps(fscal,dx00);
794 ty = _mm_mul_ps(fscal,dy00);
795 tz = _mm_mul_ps(fscal,dz00);
796
797 /* Update vectorial force */
798 fix0 = _mm_add_ps(fix0,tx);
799 fiy0 = _mm_add_ps(fiy0,ty);
800 fiz0 = _mm_add_ps(fiz0,tz);
801
802 fjx0 = _mm_add_ps(fjx0,tx);
803 fjy0 = _mm_add_ps(fjy0,ty);
804 fjz0 = _mm_add_ps(fjz0,tz);
805
806 /**************************
807 * CALCULATE INTERACTIONS *
808 **************************/
809
810 /* REACTION-FIELD ELECTROSTATICS */
811 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
812 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
813
814 /* Update potential sum for this i atom from the interaction with this j atom. */
815 velec = _mm_andnot_ps(dummy_mask,velec);
816 velecsum = _mm_add_ps(velecsum,velec);
817
818 fscal = felec;
819
820 fscal = _mm_andnot_ps(dummy_mask,fscal);
821
822 /* Calculate temporary vectorial force */
823 tx = _mm_mul_ps(fscal,dx11);
824 ty = _mm_mul_ps(fscal,dy11);
825 tz = _mm_mul_ps(fscal,dz11);
826
827 /* Update vectorial force */
828 fix1 = _mm_add_ps(fix1,tx);
829 fiy1 = _mm_add_ps(fiy1,ty);
830 fiz1 = _mm_add_ps(fiz1,tz);
831
832 fjx1 = _mm_add_ps(fjx1,tx);
833 fjy1 = _mm_add_ps(fjy1,ty);
834 fjz1 = _mm_add_ps(fjz1,tz);
835
836 /**************************
837 * CALCULATE INTERACTIONS *
838 **************************/
839
840 /* REACTION-FIELD ELECTROSTATICS */
841 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
842 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
843
844 /* Update potential sum for this i atom from the interaction with this j atom. */
845 velec = _mm_andnot_ps(dummy_mask,velec);
846 velecsum = _mm_add_ps(velecsum,velec);
847
848 fscal = felec;
849
850 fscal = _mm_andnot_ps(dummy_mask,fscal);
851
852 /* Calculate temporary vectorial force */
853 tx = _mm_mul_ps(fscal,dx12);
854 ty = _mm_mul_ps(fscal,dy12);
855 tz = _mm_mul_ps(fscal,dz12);
856
857 /* Update vectorial force */
858 fix1 = _mm_add_ps(fix1,tx);
859 fiy1 = _mm_add_ps(fiy1,ty);
860 fiz1 = _mm_add_ps(fiz1,tz);
861
862 fjx2 = _mm_add_ps(fjx2,tx);
863 fjy2 = _mm_add_ps(fjy2,ty);
864 fjz2 = _mm_add_ps(fjz2,tz);
865
866 /**************************
867 * CALCULATE INTERACTIONS *
868 **************************/
869
870 /* REACTION-FIELD ELECTROSTATICS */
871 velec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_add_ps(rinv13,_mm_mul_ps(krf,rsq13)),crf));
872 felec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_mul_ps(rinv13,rinvsq13),krf2));
873
874 /* Update potential sum for this i atom from the interaction with this j atom. */
875 velec = _mm_andnot_ps(dummy_mask,velec);
876 velecsum = _mm_add_ps(velecsum,velec);
877
878 fscal = felec;
879
880 fscal = _mm_andnot_ps(dummy_mask,fscal);
881
882 /* Calculate temporary vectorial force */
883 tx = _mm_mul_ps(fscal,dx13);
884 ty = _mm_mul_ps(fscal,dy13);
885 tz = _mm_mul_ps(fscal,dz13);
886
887 /* Update vectorial force */
888 fix1 = _mm_add_ps(fix1,tx);
889 fiy1 = _mm_add_ps(fiy1,ty);
890 fiz1 = _mm_add_ps(fiz1,tz);
891
892 fjx3 = _mm_add_ps(fjx3,tx);
893 fjy3 = _mm_add_ps(fjy3,ty);
894 fjz3 = _mm_add_ps(fjz3,tz);
895
896 /**************************
897 * CALCULATE INTERACTIONS *
898 **************************/
899
900 /* REACTION-FIELD ELECTROSTATICS */
901 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
902 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
903
904 /* Update potential sum for this i atom from the interaction with this j atom. */
905 velec = _mm_andnot_ps(dummy_mask,velec);
906 velecsum = _mm_add_ps(velecsum,velec);
907
908 fscal = felec;
909
910 fscal = _mm_andnot_ps(dummy_mask,fscal);
911
912 /* Calculate temporary vectorial force */
913 tx = _mm_mul_ps(fscal,dx21);
914 ty = _mm_mul_ps(fscal,dy21);
915 tz = _mm_mul_ps(fscal,dz21);
916
917 /* Update vectorial force */
918 fix2 = _mm_add_ps(fix2,tx);
919 fiy2 = _mm_add_ps(fiy2,ty);
920 fiz2 = _mm_add_ps(fiz2,tz);
921
922 fjx1 = _mm_add_ps(fjx1,tx);
923 fjy1 = _mm_add_ps(fjy1,ty);
924 fjz1 = _mm_add_ps(fjz1,tz);
925
926 /**************************
927 * CALCULATE INTERACTIONS *
928 **************************/
929
930 /* REACTION-FIELD ELECTROSTATICS */
931 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
932 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
933
934 /* Update potential sum for this i atom from the interaction with this j atom. */
935 velec = _mm_andnot_ps(dummy_mask,velec);
936 velecsum = _mm_add_ps(velecsum,velec);
937
938 fscal = felec;
939
940 fscal = _mm_andnot_ps(dummy_mask,fscal);
941
942 /* Calculate temporary vectorial force */
943 tx = _mm_mul_ps(fscal,dx22);
944 ty = _mm_mul_ps(fscal,dy22);
945 tz = _mm_mul_ps(fscal,dz22);
946
947 /* Update vectorial force */
948 fix2 = _mm_add_ps(fix2,tx);
949 fiy2 = _mm_add_ps(fiy2,ty);
950 fiz2 = _mm_add_ps(fiz2,tz);
951
952 fjx2 = _mm_add_ps(fjx2,tx);
953 fjy2 = _mm_add_ps(fjy2,ty);
954 fjz2 = _mm_add_ps(fjz2,tz);
955
956 /**************************
957 * CALCULATE INTERACTIONS *
958 **************************/
959
960 /* REACTION-FIELD ELECTROSTATICS */
961 velec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_add_ps(rinv23,_mm_mul_ps(krf,rsq23)),crf));
962 felec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_mul_ps(rinv23,rinvsq23),krf2));
963
964 /* Update potential sum for this i atom from the interaction with this j atom. */
965 velec = _mm_andnot_ps(dummy_mask,velec);
966 velecsum = _mm_add_ps(velecsum,velec);
967
968 fscal = felec;
969
970 fscal = _mm_andnot_ps(dummy_mask,fscal);
971
972 /* Calculate temporary vectorial force */
973 tx = _mm_mul_ps(fscal,dx23);
974 ty = _mm_mul_ps(fscal,dy23);
975 tz = _mm_mul_ps(fscal,dz23);
976
977 /* Update vectorial force */
978 fix2 = _mm_add_ps(fix2,tx);
979 fiy2 = _mm_add_ps(fiy2,ty);
980 fiz2 = _mm_add_ps(fiz2,tz);
981
982 fjx3 = _mm_add_ps(fjx3,tx);
983 fjy3 = _mm_add_ps(fjy3,ty);
984 fjz3 = _mm_add_ps(fjz3,tz);
985
986 /**************************
987 * CALCULATE INTERACTIONS *
988 **************************/
989
990 /* REACTION-FIELD ELECTROSTATICS */
991 velec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_add_ps(rinv31,_mm_mul_ps(krf,rsq31)),crf));
992 felec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_mul_ps(rinv31,rinvsq31),krf2));
993
994 /* Update potential sum for this i atom from the interaction with this j atom. */
995 velec = _mm_andnot_ps(dummy_mask,velec);
996 velecsum = _mm_add_ps(velecsum,velec);
997
998 fscal = felec;
999
1000 fscal = _mm_andnot_ps(dummy_mask,fscal);
1001
1002 /* Calculate temporary vectorial force */
1003 tx = _mm_mul_ps(fscal,dx31);
1004 ty = _mm_mul_ps(fscal,dy31);
1005 tz = _mm_mul_ps(fscal,dz31);
1006
1007 /* Update vectorial force */
1008 fix3 = _mm_add_ps(fix3,tx);
1009 fiy3 = _mm_add_ps(fiy3,ty);
1010 fiz3 = _mm_add_ps(fiz3,tz);
1011
1012 fjx1 = _mm_add_ps(fjx1,tx);
1013 fjy1 = _mm_add_ps(fjy1,ty);
1014 fjz1 = _mm_add_ps(fjz1,tz);
1015
1016 /**************************
1017 * CALCULATE INTERACTIONS *
1018 **************************/
1019
1020 /* REACTION-FIELD ELECTROSTATICS */
1021 velec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_add_ps(rinv32,_mm_mul_ps(krf,rsq32)),crf));
1022 felec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_mul_ps(rinv32,rinvsq32),krf2));
1023
1024 /* Update potential sum for this i atom from the interaction with this j atom. */
1025 velec = _mm_andnot_ps(dummy_mask,velec);
1026 velecsum = _mm_add_ps(velecsum,velec);
1027
1028 fscal = felec;
1029
1030 fscal = _mm_andnot_ps(dummy_mask,fscal);
1031
1032 /* Calculate temporary vectorial force */
1033 tx = _mm_mul_ps(fscal,dx32);
1034 ty = _mm_mul_ps(fscal,dy32);
1035 tz = _mm_mul_ps(fscal,dz32);
1036
1037 /* Update vectorial force */
1038 fix3 = _mm_add_ps(fix3,tx);
1039 fiy3 = _mm_add_ps(fiy3,ty);
1040 fiz3 = _mm_add_ps(fiz3,tz);
1041
1042 fjx2 = _mm_add_ps(fjx2,tx);
1043 fjy2 = _mm_add_ps(fjy2,ty);
1044 fjz2 = _mm_add_ps(fjz2,tz);
1045
1046 /**************************
1047 * CALCULATE INTERACTIONS *
1048 **************************/
1049
1050 /* REACTION-FIELD ELECTROSTATICS */
1051 velec = _mm_mul_ps(qq33,_mm_sub_ps(_mm_add_ps(rinv33,_mm_mul_ps(krf,rsq33)),crf));
1052 felec = _mm_mul_ps(qq33,_mm_sub_ps(_mm_mul_ps(rinv33,rinvsq33),krf2));
1053
1054 /* Update potential sum for this i atom from the interaction with this j atom. */
1055 velec = _mm_andnot_ps(dummy_mask,velec);
1056 velecsum = _mm_add_ps(velecsum,velec);
1057
1058 fscal = felec;
1059
1060 fscal = _mm_andnot_ps(dummy_mask,fscal);
1061
1062 /* Calculate temporary vectorial force */
1063 tx = _mm_mul_ps(fscal,dx33);
1064 ty = _mm_mul_ps(fscal,dy33);
1065 tz = _mm_mul_ps(fscal,dz33);
1066
1067 /* Update vectorial force */
1068 fix3 = _mm_add_ps(fix3,tx);
1069 fiy3 = _mm_add_ps(fiy3,ty);
1070 fiz3 = _mm_add_ps(fiz3,tz);
1071
1072 fjx3 = _mm_add_ps(fjx3,tx);
1073 fjy3 = _mm_add_ps(fjy3,ty);
1074 fjz3 = _mm_add_ps(fjz3,tz);
1075
1076 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1077 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1078 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1079 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1080
1081 gmx_mm_decrement_4rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1082 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,
1083 fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1084
1085 /* Inner loop uses 348 flops */
1086 }
1087
1088 /* End of innermost loop */
1089
1090 gmx_mm_update_iforce_4atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
1091 f+i_coord_offset,fshift+i_shift_offset);
1092
1093 ggid = gid[iidx];
1094 /* Update potential energies */
1095 gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid);
1096 gmx_mm_update_1pot_ps(vvdwsum,kernel_data->energygrp_vdw+ggid);
1097
1098 /* Increment number of inner iterations */
1099 inneriter += j_index_end - j_index_start;
1100
1101 /* Outer loop uses 26 flops */
1102 }
1103
1104 /* Increment number of outer iterations */
1105 outeriter += nri;
1106
1107 /* Update outer/inner flops */
1108
1109 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W4W4_VF,outeriter*26 + inneriter*348)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W4W4_VF] += outeriter*26 +
inneriter*348
;
1110}
1111/*
1112 * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwCSTab_GeomW4W4_F_sse4_1_single
1113 * Electrostatics interaction: ReactionField
1114 * VdW interaction: CubicSplineTable
1115 * Geometry: Water4-Water4
1116 * Calculate force/pot: Force
1117 */
1118void
1119nb_kernel_ElecRF_VdwCSTab_GeomW4W4_F_sse4_1_single
1120 (t_nblist * gmx_restrict nlist,
1121 rvec * gmx_restrict xx,
1122 rvec * gmx_restrict ff,
1123 t_forcerec * gmx_restrict fr,
1124 t_mdatoms * gmx_restrict mdatoms,
1125 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data,
1126 t_nrnb * gmx_restrict nrnb)
1127{
1128 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1129 * just 0 for non-waters.
1130 * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different
1131 * jnr indices corresponding to data put in the four positions in the SIMD register.
1132 */
1133 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1134 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1135 int jnrA,jnrB,jnrC,jnrD;
1136 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
1137 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
1138 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1139 real rcutoff_scalar;
1140 real *shiftvec,*fshift,*x,*f;
1141 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
1142 real scratch[4*DIM3];
1143 __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
1144 int vdwioffset0;
1145 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
1146 int vdwioffset1;
1147 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1148 int vdwioffset2;
1149 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1150 int vdwioffset3;
1151 __m128 ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
1152 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
1153 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
1154 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
1155 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1156 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
1157 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1158 int vdwjidx3A,vdwjidx3B,vdwjidx3C,vdwjidx3D;
1159 __m128 jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
1160 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
1161 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1162 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1163 __m128 dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
1164 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1165 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1166 __m128 dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
1167 __m128 dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
1168 __m128 dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
1169 __m128 dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
1170 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
1171 real *charge;
1172 int nvdwtype;
1173 __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
1174 int *vdwtype;
1175 real *vdwparam;
1176 __m128 one_sixth = _mm_set1_ps(1.0/6.0);
1177 __m128 one_twelfth = _mm_set1_ps(1.0/12.0);
1178 __m128i vfitab;
1179 __m128i ifour = _mm_set1_epi32(4);
1180 __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF;
1181 real *vftab;
1182 __m128 dummy_mask,cutoff_mask;
1183 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
1184 __m128 one = _mm_set1_ps(1.0);
1185 __m128 two = _mm_set1_ps(2.0);
1186 x = xx[0];
1187 f = ff[0];
1188
1189 nri = nlist->nri;
1190 iinr = nlist->iinr;
1191 jindex = nlist->jindex;
1192 jjnr = nlist->jjnr;
1193 shiftidx = nlist->shift;
1194 gid = nlist->gid;
1195 shiftvec = fr->shift_vec[0];
1196 fshift = fr->fshift[0];
1197 facel = _mm_set1_ps(fr->epsfac);
1198 charge = mdatoms->chargeA;
1199 krf = _mm_set1_ps(fr->ic->k_rf);
1200 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
1201 crf = _mm_set1_ps(fr->ic->c_rf);
1202 nvdwtype = fr->ntype;
1203 vdwparam = fr->nbfp;
1204 vdwtype = mdatoms->typeA;
1205
1206 vftab = kernel_data->table_vdw->data;
1207 vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale);
1208
1209 /* Setup water-specific parameters */
1210 inr = nlist->iinr[0];
1211 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
1212 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
1213 iq3 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+3]));
1214 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
1215
1216 jq1 = _mm_set1_ps(charge[inr+1]);
1217 jq2 = _mm_set1_ps(charge[inr+2]);
1218 jq3 = _mm_set1_ps(charge[inr+3]);
1219 vdwjidx0A = 2*vdwtype[inr+0];
1220 c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]);
1221 c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]);
1222 qq11 = _mm_mul_ps(iq1,jq1);
1223 qq12 = _mm_mul_ps(iq1,jq2);
1224 qq13 = _mm_mul_ps(iq1,jq3);
1225 qq21 = _mm_mul_ps(iq2,jq1);
1226 qq22 = _mm_mul_ps(iq2,jq2);
1227 qq23 = _mm_mul_ps(iq2,jq3);
1228 qq31 = _mm_mul_ps(iq3,jq1);
1229 qq32 = _mm_mul_ps(iq3,jq2);
1230 qq33 = _mm_mul_ps(iq3,jq3);
1231
1232 /* Avoid stupid compiler warnings */
1233 jnrA = jnrB = jnrC = jnrD = 0;
1234 j_coord_offsetA = 0;
1235 j_coord_offsetB = 0;
1236 j_coord_offsetC = 0;
1237 j_coord_offsetD = 0;
1238
1239 outeriter = 0;
1240 inneriter = 0;
1241
1242 for(iidx=0;iidx<4*DIM3;iidx++)
1243 {
1244 scratch[iidx] = 0.0;
1245 }
1246
1247 /* Start outer loop over neighborlists */
1248 for(iidx=0; iidx<nri; iidx++)
1249 {
1250 /* Load shift vector for this list */
1251 i_shift_offset = DIM3*shiftidx[iidx];
1252
1253 /* Load limits for loop over neighbors */
1254 j_index_start = jindex[iidx];
1255 j_index_end = jindex[iidx+1];
1256
1257 /* Get outer coordinate index */
1258 inr = iinr[iidx];
1259 i_coord_offset = DIM3*inr;
1260
1261 /* Load i particle coords and add shift vector */
1262 gmx_mm_load_shift_and_4rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
1263 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
1264
1265 fix0 = _mm_setzero_ps();
1266 fiy0 = _mm_setzero_ps();
1267 fiz0 = _mm_setzero_ps();
1268 fix1 = _mm_setzero_ps();
1269 fiy1 = _mm_setzero_ps();
1270 fiz1 = _mm_setzero_ps();
1271 fix2 = _mm_setzero_ps();
1272 fiy2 = _mm_setzero_ps();
1273 fiz2 = _mm_setzero_ps();
1274 fix3 = _mm_setzero_ps();
1275 fiy3 = _mm_setzero_ps();
1276 fiz3 = _mm_setzero_ps();
1277
1278 /* Start inner kernel loop */
1279 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
1280 {
1281
1282 /* Get j neighbor index, and coordinate index */
1283 jnrA = jjnr[jidx];
1284 jnrB = jjnr[jidx+1];
1285 jnrC = jjnr[jidx+2];
1286 jnrD = jjnr[jidx+3];
1287 j_coord_offsetA = DIM3*jnrA;
1288 j_coord_offsetB = DIM3*jnrB;
1289 j_coord_offsetC = DIM3*jnrC;
1290 j_coord_offsetD = DIM3*jnrD;
1291
1292 /* load j atom coordinates */
1293 gmx_mm_load_4rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1294 x+j_coord_offsetC,x+j_coord_offsetD,
1295 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,
1296 &jy2,&jz2,&jx3,&jy3,&jz3);
1297
1298 /* Calculate displacement vector */
1299 dx00 = _mm_sub_ps(ix0,jx0);
1300 dy00 = _mm_sub_ps(iy0,jy0);
1301 dz00 = _mm_sub_ps(iz0,jz0);
1302 dx11 = _mm_sub_ps(ix1,jx1);
1303 dy11 = _mm_sub_ps(iy1,jy1);
1304 dz11 = _mm_sub_ps(iz1,jz1);
1305 dx12 = _mm_sub_ps(ix1,jx2);
1306 dy12 = _mm_sub_ps(iy1,jy2);
1307 dz12 = _mm_sub_ps(iz1,jz2);
1308 dx13 = _mm_sub_ps(ix1,jx3);
1309 dy13 = _mm_sub_ps(iy1,jy3);
1310 dz13 = _mm_sub_ps(iz1,jz3);
1311 dx21 = _mm_sub_ps(ix2,jx1);
1312 dy21 = _mm_sub_ps(iy2,jy1);
1313 dz21 = _mm_sub_ps(iz2,jz1);
1314 dx22 = _mm_sub_ps(ix2,jx2);
1315 dy22 = _mm_sub_ps(iy2,jy2);
1316 dz22 = _mm_sub_ps(iz2,jz2);
1317 dx23 = _mm_sub_ps(ix2,jx3);
1318 dy23 = _mm_sub_ps(iy2,jy3);
1319 dz23 = _mm_sub_ps(iz2,jz3);
1320 dx31 = _mm_sub_ps(ix3,jx1);
1321 dy31 = _mm_sub_ps(iy3,jy1);
1322 dz31 = _mm_sub_ps(iz3,jz1);
1323 dx32 = _mm_sub_ps(ix3,jx2);
1324 dy32 = _mm_sub_ps(iy3,jy2);
1325 dz32 = _mm_sub_ps(iz3,jz2);
1326 dx33 = _mm_sub_ps(ix3,jx3);
1327 dy33 = _mm_sub_ps(iy3,jy3);
1328 dz33 = _mm_sub_ps(iz3,jz3);
1329
1330 /* Calculate squared distance and things based on it */
1331 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1332 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1333 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1334 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
1335 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1336 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1337 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
1338 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
1339 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
1340 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
1341
1342 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1343 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1344 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1345 rinv13 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq13);
1346 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1347 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1348 rinv23 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq23);
1349 rinv31 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq31);
1350 rinv32 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq32);
1351 rinv33 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq33);
1352
1353 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1354 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1355 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
1356 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1357 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1358 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
1359 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
1360 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
1361 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
1362
1363 fjx0 = _mm_setzero_ps();
1364 fjy0 = _mm_setzero_ps();
1365 fjz0 = _mm_setzero_ps();
1366 fjx1 = _mm_setzero_ps();
1367 fjy1 = _mm_setzero_ps();
1368 fjz1 = _mm_setzero_ps();
1369 fjx2 = _mm_setzero_ps();
1370 fjy2 = _mm_setzero_ps();
1371 fjz2 = _mm_setzero_ps();
1372 fjx3 = _mm_setzero_ps();
1373 fjy3 = _mm_setzero_ps();
1374 fjz3 = _mm_setzero_ps();
1375
1376 /**************************
1377 * CALCULATE INTERACTIONS *
1378 **************************/
1379
1380 r00 = _mm_mul_ps(rsq00,rinv00);
1381
1382 /* Calculate table index by multiplying r with table scale and truncate to integer */
1383 rt = _mm_mul_ps(r00,vftabscale);
1384 vfitab = _mm_cvttps_epi32(rt);
1385 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
1386 vfitab = _mm_slli_epi32(vfitab,3);
1387
1388 /* CUBIC SPLINE TABLE DISPERSION */
1389 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1390 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1391 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1392 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1393 _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)
;
1394 Heps = _mm_mul_ps(vfeps,H);
1395 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1396 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1397 fvdw6 = _mm_mul_ps(c6_00,FF);
1398
1399 /* CUBIC SPLINE TABLE REPULSION */
1400 vfitab = _mm_add_epi32(vfitab,ifour);
1401 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1402 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1403 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1404 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1405 _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)
;
1406 Heps = _mm_mul_ps(vfeps,H);
1407 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1408 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1409 fvdw12 = _mm_mul_ps(c12_00,FF);
1410 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
1411
1412 fscal = fvdw;
1413
1414 /* Calculate temporary vectorial force */
1415 tx = _mm_mul_ps(fscal,dx00);
1416 ty = _mm_mul_ps(fscal,dy00);
1417 tz = _mm_mul_ps(fscal,dz00);
1418
1419 /* Update vectorial force */
1420 fix0 = _mm_add_ps(fix0,tx);
1421 fiy0 = _mm_add_ps(fiy0,ty);
1422 fiz0 = _mm_add_ps(fiz0,tz);
1423
1424 fjx0 = _mm_add_ps(fjx0,tx);
1425 fjy0 = _mm_add_ps(fjy0,ty);
1426 fjz0 = _mm_add_ps(fjz0,tz);
1427
1428 /**************************
1429 * CALCULATE INTERACTIONS *
1430 **************************/
1431
1432 /* REACTION-FIELD ELECTROSTATICS */
1433 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1434
1435 fscal = felec;
1436
1437 /* Calculate temporary vectorial force */
1438 tx = _mm_mul_ps(fscal,dx11);
1439 ty = _mm_mul_ps(fscal,dy11);
1440 tz = _mm_mul_ps(fscal,dz11);
1441
1442 /* Update vectorial force */
1443 fix1 = _mm_add_ps(fix1,tx);
1444 fiy1 = _mm_add_ps(fiy1,ty);
1445 fiz1 = _mm_add_ps(fiz1,tz);
1446
1447 fjx1 = _mm_add_ps(fjx1,tx);
1448 fjy1 = _mm_add_ps(fjy1,ty);
1449 fjz1 = _mm_add_ps(fjz1,tz);
1450
1451 /**************************
1452 * CALCULATE INTERACTIONS *
1453 **************************/
1454
1455 /* REACTION-FIELD ELECTROSTATICS */
1456 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1457
1458 fscal = felec;
1459
1460 /* Calculate temporary vectorial force */
1461 tx = _mm_mul_ps(fscal,dx12);
1462 ty = _mm_mul_ps(fscal,dy12);
1463 tz = _mm_mul_ps(fscal,dz12);
1464
1465 /* Update vectorial force */
1466 fix1 = _mm_add_ps(fix1,tx);
1467 fiy1 = _mm_add_ps(fiy1,ty);
1468 fiz1 = _mm_add_ps(fiz1,tz);
1469
1470 fjx2 = _mm_add_ps(fjx2,tx);
1471 fjy2 = _mm_add_ps(fjy2,ty);
1472 fjz2 = _mm_add_ps(fjz2,tz);
1473
1474 /**************************
1475 * CALCULATE INTERACTIONS *
1476 **************************/
1477
1478 /* REACTION-FIELD ELECTROSTATICS */
1479 felec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_mul_ps(rinv13,rinvsq13),krf2));
1480
1481 fscal = felec;
1482
1483 /* Calculate temporary vectorial force */
1484 tx = _mm_mul_ps(fscal,dx13);
1485 ty = _mm_mul_ps(fscal,dy13);
1486 tz = _mm_mul_ps(fscal,dz13);
1487
1488 /* Update vectorial force */
1489 fix1 = _mm_add_ps(fix1,tx);
1490 fiy1 = _mm_add_ps(fiy1,ty);
1491 fiz1 = _mm_add_ps(fiz1,tz);
1492
1493 fjx3 = _mm_add_ps(fjx3,tx);
1494 fjy3 = _mm_add_ps(fjy3,ty);
1495 fjz3 = _mm_add_ps(fjz3,tz);
1496
1497 /**************************
1498 * CALCULATE INTERACTIONS *
1499 **************************/
1500
1501 /* REACTION-FIELD ELECTROSTATICS */
1502 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1503
1504 fscal = felec;
1505
1506 /* Calculate temporary vectorial force */
1507 tx = _mm_mul_ps(fscal,dx21);
1508 ty = _mm_mul_ps(fscal,dy21);
1509 tz = _mm_mul_ps(fscal,dz21);
1510
1511 /* Update vectorial force */
1512 fix2 = _mm_add_ps(fix2,tx);
1513 fiy2 = _mm_add_ps(fiy2,ty);
1514 fiz2 = _mm_add_ps(fiz2,tz);
1515
1516 fjx1 = _mm_add_ps(fjx1,tx);
1517 fjy1 = _mm_add_ps(fjy1,ty);
1518 fjz1 = _mm_add_ps(fjz1,tz);
1519
1520 /**************************
1521 * CALCULATE INTERACTIONS *
1522 **************************/
1523
1524 /* REACTION-FIELD ELECTROSTATICS */
1525 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1526
1527 fscal = felec;
1528
1529 /* Calculate temporary vectorial force */
1530 tx = _mm_mul_ps(fscal,dx22);
1531 ty = _mm_mul_ps(fscal,dy22);
1532 tz = _mm_mul_ps(fscal,dz22);
1533
1534 /* Update vectorial force */
1535 fix2 = _mm_add_ps(fix2,tx);
1536 fiy2 = _mm_add_ps(fiy2,ty);
1537 fiz2 = _mm_add_ps(fiz2,tz);
1538
1539 fjx2 = _mm_add_ps(fjx2,tx);
1540 fjy2 = _mm_add_ps(fjy2,ty);
1541 fjz2 = _mm_add_ps(fjz2,tz);
1542
1543 /**************************
1544 * CALCULATE INTERACTIONS *
1545 **************************/
1546
1547 /* REACTION-FIELD ELECTROSTATICS */
1548 felec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_mul_ps(rinv23,rinvsq23),krf2));
1549
1550 fscal = felec;
1551
1552 /* Calculate temporary vectorial force */
1553 tx = _mm_mul_ps(fscal,dx23);
1554 ty = _mm_mul_ps(fscal,dy23);
1555 tz = _mm_mul_ps(fscal,dz23);
1556
1557 /* Update vectorial force */
1558 fix2 = _mm_add_ps(fix2,tx);
1559 fiy2 = _mm_add_ps(fiy2,ty);
1560 fiz2 = _mm_add_ps(fiz2,tz);
1561
1562 fjx3 = _mm_add_ps(fjx3,tx);
1563 fjy3 = _mm_add_ps(fjy3,ty);
1564 fjz3 = _mm_add_ps(fjz3,tz);
1565
1566 /**************************
1567 * CALCULATE INTERACTIONS *
1568 **************************/
1569
1570 /* REACTION-FIELD ELECTROSTATICS */
1571 felec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_mul_ps(rinv31,rinvsq31),krf2));
1572
1573 fscal = felec;
1574
1575 /* Calculate temporary vectorial force */
1576 tx = _mm_mul_ps(fscal,dx31);
1577 ty = _mm_mul_ps(fscal,dy31);
1578 tz = _mm_mul_ps(fscal,dz31);
1579
1580 /* Update vectorial force */
1581 fix3 = _mm_add_ps(fix3,tx);
1582 fiy3 = _mm_add_ps(fiy3,ty);
1583 fiz3 = _mm_add_ps(fiz3,tz);
1584
1585 fjx1 = _mm_add_ps(fjx1,tx);
1586 fjy1 = _mm_add_ps(fjy1,ty);
1587 fjz1 = _mm_add_ps(fjz1,tz);
1588
1589 /**************************
1590 * CALCULATE INTERACTIONS *
1591 **************************/
1592
1593 /* REACTION-FIELD ELECTROSTATICS */
1594 felec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_mul_ps(rinv32,rinvsq32),krf2));
1595
1596 fscal = felec;
1597
1598 /* Calculate temporary vectorial force */
1599 tx = _mm_mul_ps(fscal,dx32);
1600 ty = _mm_mul_ps(fscal,dy32);
1601 tz = _mm_mul_ps(fscal,dz32);
1602
1603 /* Update vectorial force */
1604 fix3 = _mm_add_ps(fix3,tx);
1605 fiy3 = _mm_add_ps(fiy3,ty);
1606 fiz3 = _mm_add_ps(fiz3,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(qq33,_mm_sub_ps(_mm_mul_ps(rinv33,rinvsq33),krf2));
1618
1619 fscal = felec;
1620
1621 /* Calculate temporary vectorial force */
1622 tx = _mm_mul_ps(fscal,dx33);
1623 ty = _mm_mul_ps(fscal,dy33);
1624 tz = _mm_mul_ps(fscal,dz33);
1625
1626 /* Update vectorial force */
1627 fix3 = _mm_add_ps(fix3,tx);
1628 fiy3 = _mm_add_ps(fiy3,ty);
1629 fiz3 = _mm_add_ps(fiz3,tz);
1630
1631 fjx3 = _mm_add_ps(fjx3,tx);
1632 fjy3 = _mm_add_ps(fjy3,ty);
1633 fjz3 = _mm_add_ps(fjz3,tz);
1634
1635 fjptrA = f+j_coord_offsetA;
1636 fjptrB = f+j_coord_offsetB;
1637 fjptrC = f+j_coord_offsetC;
1638 fjptrD = f+j_coord_offsetD;
1639
1640 gmx_mm_decrement_4rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1641 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,
1642 fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1643
1644 /* Inner loop uses 294 flops */
1645 }
1646
1647 if(jidx<j_index_end)
1648 {
1649
1650 /* Get j neighbor index, and coordinate index */
1651 jnrlistA = jjnr[jidx];
1652 jnrlistB = jjnr[jidx+1];
1653 jnrlistC = jjnr[jidx+2];
1654 jnrlistD = jjnr[jidx+3];
1655 /* Sign of each element will be negative for non-real atoms.
1656 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
1657 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
1658 */
1659 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
1660 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
1661 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
1662 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
1663 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
1664 j_coord_offsetA = DIM3*jnrA;
1665 j_coord_offsetB = DIM3*jnrB;
1666 j_coord_offsetC = DIM3*jnrC;
1667 j_coord_offsetD = DIM3*jnrD;
1668
1669 /* load j atom coordinates */
1670 gmx_mm_load_4rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1671 x+j_coord_offsetC,x+j_coord_offsetD,
1672 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,
1673 &jy2,&jz2,&jx3,&jy3,&jz3);
1674
1675 /* Calculate displacement vector */
1676 dx00 = _mm_sub_ps(ix0,jx0);
1677 dy00 = _mm_sub_ps(iy0,jy0);
1678 dz00 = _mm_sub_ps(iz0,jz0);
1679 dx11 = _mm_sub_ps(ix1,jx1);
1680 dy11 = _mm_sub_ps(iy1,jy1);
1681 dz11 = _mm_sub_ps(iz1,jz1);
1682 dx12 = _mm_sub_ps(ix1,jx2);
1683 dy12 = _mm_sub_ps(iy1,jy2);
1684 dz12 = _mm_sub_ps(iz1,jz2);
1685 dx13 = _mm_sub_ps(ix1,jx3);
1686 dy13 = _mm_sub_ps(iy1,jy3);
1687 dz13 = _mm_sub_ps(iz1,jz3);
1688 dx21 = _mm_sub_ps(ix2,jx1);
1689 dy21 = _mm_sub_ps(iy2,jy1);
1690 dz21 = _mm_sub_ps(iz2,jz1);
1691 dx22 = _mm_sub_ps(ix2,jx2);
1692 dy22 = _mm_sub_ps(iy2,jy2);
1693 dz22 = _mm_sub_ps(iz2,jz2);
1694 dx23 = _mm_sub_ps(ix2,jx3);
1695 dy23 = _mm_sub_ps(iy2,jy3);
1696 dz23 = _mm_sub_ps(iz2,jz3);
1697 dx31 = _mm_sub_ps(ix3,jx1);
1698 dy31 = _mm_sub_ps(iy3,jy1);
1699 dz31 = _mm_sub_ps(iz3,jz1);
1700 dx32 = _mm_sub_ps(ix3,jx2);
1701 dy32 = _mm_sub_ps(iy3,jy2);
1702 dz32 = _mm_sub_ps(iz3,jz2);
1703 dx33 = _mm_sub_ps(ix3,jx3);
1704 dy33 = _mm_sub_ps(iy3,jy3);
1705 dz33 = _mm_sub_ps(iz3,jz3);
1706
1707 /* Calculate squared distance and things based on it */
1708 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1709 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1710 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1711 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
1712 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1713 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1714 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
1715 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
1716 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
1717 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
1718
1719 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1720 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1721 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1722 rinv13 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq13);
1723 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1724 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1725 rinv23 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq23);
1726 rinv31 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq31);
1727 rinv32 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq32);
1728 rinv33 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq33);
1729
1730 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1731 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1732 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
1733 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1734 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1735 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
1736 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
1737 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
1738 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
1739
1740 fjx0 = _mm_setzero_ps();
1741 fjy0 = _mm_setzero_ps();
1742 fjz0 = _mm_setzero_ps();
1743 fjx1 = _mm_setzero_ps();
1744 fjy1 = _mm_setzero_ps();
1745 fjz1 = _mm_setzero_ps();
1746 fjx2 = _mm_setzero_ps();
1747 fjy2 = _mm_setzero_ps();
1748 fjz2 = _mm_setzero_ps();
1749 fjx3 = _mm_setzero_ps();
1750 fjy3 = _mm_setzero_ps();
1751 fjz3 = _mm_setzero_ps();
1752
1753 /**************************
1754 * CALCULATE INTERACTIONS *
1755 **************************/
1756
1757 r00 = _mm_mul_ps(rsq00,rinv00);
1758 r00 = _mm_andnot_ps(dummy_mask,r00);
1759
1760 /* Calculate table index by multiplying r with table scale and truncate to integer */
1761 rt = _mm_mul_ps(r00,vftabscale);
1762 vfitab = _mm_cvttps_epi32(rt);
1763 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
1764 vfitab = _mm_slli_epi32(vfitab,3);
1765
1766 /* CUBIC SPLINE TABLE DISPERSION */
1767 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1768 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1769 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1770 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1771 _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)
;
1772 Heps = _mm_mul_ps(vfeps,H);
1773 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1774 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1775 fvdw6 = _mm_mul_ps(c6_00,FF);
1776
1777 /* CUBIC SPLINE TABLE REPULSION */
1778 vfitab = _mm_add_epi32(vfitab,ifour);
1779 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1780 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1781 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1782 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1783 _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)
;
1784 Heps = _mm_mul_ps(vfeps,H);
1785 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1786 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1787 fvdw12 = _mm_mul_ps(c12_00,FF);
1788 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
1789
1790 fscal = fvdw;
1791
1792 fscal = _mm_andnot_ps(dummy_mask,fscal);
1793
1794 /* Calculate temporary vectorial force */
1795 tx = _mm_mul_ps(fscal,dx00);
1796 ty = _mm_mul_ps(fscal,dy00);
1797 tz = _mm_mul_ps(fscal,dz00);
1798
1799 /* Update vectorial force */
1800 fix0 = _mm_add_ps(fix0,tx);
1801 fiy0 = _mm_add_ps(fiy0,ty);
1802 fiz0 = _mm_add_ps(fiz0,tz);
1803
1804 fjx0 = _mm_add_ps(fjx0,tx);
1805 fjy0 = _mm_add_ps(fjy0,ty);
1806 fjz0 = _mm_add_ps(fjz0,tz);
1807
1808 /**************************
1809 * CALCULATE INTERACTIONS *
1810 **************************/
1811
1812 /* REACTION-FIELD ELECTROSTATICS */
1813 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1814
1815 fscal = felec;
1816
1817 fscal = _mm_andnot_ps(dummy_mask,fscal);
1818
1819 /* Calculate temporary vectorial force */
1820 tx = _mm_mul_ps(fscal,dx11);
1821 ty = _mm_mul_ps(fscal,dy11);
1822 tz = _mm_mul_ps(fscal,dz11);
1823
1824 /* Update vectorial force */
1825 fix1 = _mm_add_ps(fix1,tx);
1826 fiy1 = _mm_add_ps(fiy1,ty);
1827 fiz1 = _mm_add_ps(fiz1,tz);
1828
1829 fjx1 = _mm_add_ps(fjx1,tx);
1830 fjy1 = _mm_add_ps(fjy1,ty);
1831 fjz1 = _mm_add_ps(fjz1,tz);
1832
1833 /**************************
1834 * CALCULATE INTERACTIONS *
1835 **************************/
1836
1837 /* REACTION-FIELD ELECTROSTATICS */
1838 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1839
1840 fscal = felec;
1841
1842 fscal = _mm_andnot_ps(dummy_mask,fscal);
1843
1844 /* Calculate temporary vectorial force */
1845 tx = _mm_mul_ps(fscal,dx12);
1846 ty = _mm_mul_ps(fscal,dy12);
1847 tz = _mm_mul_ps(fscal,dz12);
1848
1849 /* Update vectorial force */
1850 fix1 = _mm_add_ps(fix1,tx);
1851 fiy1 = _mm_add_ps(fiy1,ty);
1852 fiz1 = _mm_add_ps(fiz1,tz);
1853
1854 fjx2 = _mm_add_ps(fjx2,tx);
1855 fjy2 = _mm_add_ps(fjy2,ty);
1856 fjz2 = _mm_add_ps(fjz2,tz);
1857
1858 /**************************
1859 * CALCULATE INTERACTIONS *
1860 **************************/
1861
1862 /* REACTION-FIELD ELECTROSTATICS */
1863 felec = _mm_mul_ps(qq13,_mm_sub_ps(_mm_mul_ps(rinv13,rinvsq13),krf2));
1864
1865 fscal = felec;
1866
1867 fscal = _mm_andnot_ps(dummy_mask,fscal);
1868
1869 /* Calculate temporary vectorial force */
1870 tx = _mm_mul_ps(fscal,dx13);
1871 ty = _mm_mul_ps(fscal,dy13);
1872 tz = _mm_mul_ps(fscal,dz13);
1873
1874 /* Update vectorial force */
1875 fix1 = _mm_add_ps(fix1,tx);
1876 fiy1 = _mm_add_ps(fiy1,ty);
1877 fiz1 = _mm_add_ps(fiz1,tz);
1878
1879 fjx3 = _mm_add_ps(fjx3,tx);
1880 fjy3 = _mm_add_ps(fjy3,ty);
1881 fjz3 = _mm_add_ps(fjz3,tz);
1882
1883 /**************************
1884 * CALCULATE INTERACTIONS *
1885 **************************/
1886
1887 /* REACTION-FIELD ELECTROSTATICS */
1888 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1889
1890 fscal = felec;
1891
1892 fscal = _mm_andnot_ps(dummy_mask,fscal);
1893
1894 /* Calculate temporary vectorial force */
1895 tx = _mm_mul_ps(fscal,dx21);
1896 ty = _mm_mul_ps(fscal,dy21);
1897 tz = _mm_mul_ps(fscal,dz21);
1898
1899 /* Update vectorial force */
1900 fix2 = _mm_add_ps(fix2,tx);
1901 fiy2 = _mm_add_ps(fiy2,ty);
1902 fiz2 = _mm_add_ps(fiz2,tz);
1903
1904 fjx1 = _mm_add_ps(fjx1,tx);
1905 fjy1 = _mm_add_ps(fjy1,ty);
1906 fjz1 = _mm_add_ps(fjz1,tz);
1907
1908 /**************************
1909 * CALCULATE INTERACTIONS *
1910 **************************/
1911
1912 /* REACTION-FIELD ELECTROSTATICS */
1913 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1914
1915 fscal = felec;
1916
1917 fscal = _mm_andnot_ps(dummy_mask,fscal);
1918
1919 /* Calculate temporary vectorial force */
1920 tx = _mm_mul_ps(fscal,dx22);
1921 ty = _mm_mul_ps(fscal,dy22);
1922 tz = _mm_mul_ps(fscal,dz22);
1923
1924 /* Update vectorial force */
1925 fix2 = _mm_add_ps(fix2,tx);
1926 fiy2 = _mm_add_ps(fiy2,ty);
1927 fiz2 = _mm_add_ps(fiz2,tz);
1928
1929 fjx2 = _mm_add_ps(fjx2,tx);
1930 fjy2 = _mm_add_ps(fjy2,ty);
1931 fjz2 = _mm_add_ps(fjz2,tz);
1932
1933 /**************************
1934 * CALCULATE INTERACTIONS *
1935 **************************/
1936
1937 /* REACTION-FIELD ELECTROSTATICS */
1938 felec = _mm_mul_ps(qq23,_mm_sub_ps(_mm_mul_ps(rinv23,rinvsq23),krf2));
1939
1940 fscal = felec;
1941
1942 fscal = _mm_andnot_ps(dummy_mask,fscal);
1943
1944 /* Calculate temporary vectorial force */
1945 tx = _mm_mul_ps(fscal,dx23);
1946 ty = _mm_mul_ps(fscal,dy23);
1947 tz = _mm_mul_ps(fscal,dz23);
1948
1949 /* Update vectorial force */
1950 fix2 = _mm_add_ps(fix2,tx);
1951 fiy2 = _mm_add_ps(fiy2,ty);
1952 fiz2 = _mm_add_ps(fiz2,tz);
1953
1954 fjx3 = _mm_add_ps(fjx3,tx);
1955 fjy3 = _mm_add_ps(fjy3,ty);
1956 fjz3 = _mm_add_ps(fjz3,tz);
1957
1958 /**************************
1959 * CALCULATE INTERACTIONS *
1960 **************************/
1961
1962 /* REACTION-FIELD ELECTROSTATICS */
1963 felec = _mm_mul_ps(qq31,_mm_sub_ps(_mm_mul_ps(rinv31,rinvsq31),krf2));
1964
1965 fscal = felec;
1966
1967 fscal = _mm_andnot_ps(dummy_mask,fscal);
1968
1969 /* Calculate temporary vectorial force */
1970 tx = _mm_mul_ps(fscal,dx31);
1971 ty = _mm_mul_ps(fscal,dy31);
1972 tz = _mm_mul_ps(fscal,dz31);
1973
1974 /* Update vectorial force */
1975 fix3 = _mm_add_ps(fix3,tx);
1976 fiy3 = _mm_add_ps(fiy3,ty);
1977 fiz3 = _mm_add_ps(fiz3,tz);
1978
1979 fjx1 = _mm_add_ps(fjx1,tx);
1980 fjy1 = _mm_add_ps(fjy1,ty);
1981 fjz1 = _mm_add_ps(fjz1,tz);
1982
1983 /**************************
1984 * CALCULATE INTERACTIONS *
1985 **************************/
1986
1987 /* REACTION-FIELD ELECTROSTATICS */
1988 felec = _mm_mul_ps(qq32,_mm_sub_ps(_mm_mul_ps(rinv32,rinvsq32),krf2));
1989
1990 fscal = felec;
1991
1992 fscal = _mm_andnot_ps(dummy_mask,fscal);
1993
1994 /* Calculate temporary vectorial force */
1995 tx = _mm_mul_ps(fscal,dx32);
1996 ty = _mm_mul_ps(fscal,dy32);
1997 tz = _mm_mul_ps(fscal,dz32);
1998
1999 /* Update vectorial force */
2000 fix3 = _mm_add_ps(fix3,tx);
2001 fiy3 = _mm_add_ps(fiy3,ty);
2002 fiz3 = _mm_add_ps(fiz3,tz);
2003
2004 fjx2 = _mm_add_ps(fjx2,tx);
2005 fjy2 = _mm_add_ps(fjy2,ty);
2006 fjz2 = _mm_add_ps(fjz2,tz);
2007
2008 /**************************
2009 * CALCULATE INTERACTIONS *
2010 **************************/
2011
2012 /* REACTION-FIELD ELECTROSTATICS */
2013 felec = _mm_mul_ps(qq33,_mm_sub_ps(_mm_mul_ps(rinv33,rinvsq33),krf2));
2014
2015 fscal = felec;
2016
2017 fscal = _mm_andnot_ps(dummy_mask,fscal);
2018
2019 /* Calculate temporary vectorial force */
2020 tx = _mm_mul_ps(fscal,dx33);
2021 ty = _mm_mul_ps(fscal,dy33);
2022 tz = _mm_mul_ps(fscal,dz33);
2023
2024 /* Update vectorial force */
2025 fix3 = _mm_add_ps(fix3,tx);
2026 fiy3 = _mm_add_ps(fiy3,ty);
2027 fiz3 = _mm_add_ps(fiz3,tz);
2028
2029 fjx3 = _mm_add_ps(fjx3,tx);
2030 fjy3 = _mm_add_ps(fjy3,ty);
2031 fjz3 = _mm_add_ps(fjz3,tz);
2032
2033 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
2034 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
2035 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
2036 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
2037
2038 gmx_mm_decrement_4rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
2039 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,
2040 fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
2041
2042 /* Inner loop uses 295 flops */
2043 }
2044
2045 /* End of innermost loop */
2046
2047 gmx_mm_update_iforce_4atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
2048 f+i_coord_offset,fshift+i_shift_offset);
2049
2050 /* Increment number of inner iterations */
2051 inneriter += j_index_end - j_index_start;
2052
2053 /* Outer loop uses 24 flops */
2054 }
2055
2056 /* Increment number of outer iterations */
2057 outeriter += nri;
2058
2059 /* Update outer/inner flops */
2060
2061 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W4W4_F,outeriter*24 + inneriter*295)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W4W4_F] += outeriter*24 + inneriter
*295
;
2062}