Bug Summary

File:gromacs/gmxlib/nonbonded/nb_kernel_sse4_1_single/nb_kernel_ElecRFCut_VdwLJSh_GeomW3W3_sse4_1_single.c
Location:line 1223, column 22
Description:Value stored to 'one_sixth' 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_ElecRFCut_VdwLJSh_GeomW3W3_VF_sse4_1_single
54 * Electrostatics interaction: ReactionField
55 * VdW interaction: LennardJones
56 * Geometry: Water3-Water3
57 * Calculate force/pot: PotentialAndForce
58 */
59void
60nb_kernel_ElecRFCut_VdwLJSh_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 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
162 rcutoff_scalar = fr->rcoulomb;
163 rcutoff = _mm_set1_ps(rcutoff_scalar);
164 rcutoff2 = _mm_mul_ps(rcutoff,rcutoff);
165
166 sh_vdw_invrcut6 = _mm_set1_ps(fr->ic->sh_invrc6);
167 rvdw = _mm_set1_ps(fr->rvdw);
168
169 /* Avoid stupid compiler warnings */
170 jnrA = jnrB = jnrC = jnrD = 0;
171 j_coord_offsetA = 0;
172 j_coord_offsetB = 0;
173 j_coord_offsetC = 0;
174 j_coord_offsetD = 0;
175
176 outeriter = 0;
177 inneriter = 0;
178
179 for(iidx=0;iidx<4*DIM3;iidx++)
180 {
181 scratch[iidx] = 0.0;
182 }
183
184 /* Start outer loop over neighborlists */
185 for(iidx=0; iidx<nri; iidx++)
186 {
187 /* Load shift vector for this list */
188 i_shift_offset = DIM3*shiftidx[iidx];
189
190 /* Load limits for loop over neighbors */
191 j_index_start = jindex[iidx];
192 j_index_end = jindex[iidx+1];
193
194 /* Get outer coordinate index */
195 inr = iinr[iidx];
196 i_coord_offset = DIM3*inr;
197
198 /* Load i particle coords and add shift vector */
199 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
200 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
201
202 fix0 = _mm_setzero_ps();
203 fiy0 = _mm_setzero_ps();
204 fiz0 = _mm_setzero_ps();
205 fix1 = _mm_setzero_ps();
206 fiy1 = _mm_setzero_ps();
207 fiz1 = _mm_setzero_ps();
208 fix2 = _mm_setzero_ps();
209 fiy2 = _mm_setzero_ps();
210 fiz2 = _mm_setzero_ps();
211
212 /* Reset potential sums */
213 velecsum = _mm_setzero_ps();
214 vvdwsum = _mm_setzero_ps();
215
216 /* Start inner kernel loop */
217 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
218 {
219
220 /* Get j neighbor index, and coordinate index */
221 jnrA = jjnr[jidx];
222 jnrB = jjnr[jidx+1];
223 jnrC = jjnr[jidx+2];
224 jnrD = jjnr[jidx+3];
225 j_coord_offsetA = DIM3*jnrA;
226 j_coord_offsetB = DIM3*jnrB;
227 j_coord_offsetC = DIM3*jnrC;
228 j_coord_offsetD = DIM3*jnrD;
229
230 /* load j atom coordinates */
231 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
232 x+j_coord_offsetC,x+j_coord_offsetD,
233 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
234
235 /* Calculate displacement vector */
236 dx00 = _mm_sub_ps(ix0,jx0);
237 dy00 = _mm_sub_ps(iy0,jy0);
238 dz00 = _mm_sub_ps(iz0,jz0);
239 dx01 = _mm_sub_ps(ix0,jx1);
240 dy01 = _mm_sub_ps(iy0,jy1);
241 dz01 = _mm_sub_ps(iz0,jz1);
242 dx02 = _mm_sub_ps(ix0,jx2);
243 dy02 = _mm_sub_ps(iy0,jy2);
244 dz02 = _mm_sub_ps(iz0,jz2);
245 dx10 = _mm_sub_ps(ix1,jx0);
246 dy10 = _mm_sub_ps(iy1,jy0);
247 dz10 = _mm_sub_ps(iz1,jz0);
248 dx11 = _mm_sub_ps(ix1,jx1);
249 dy11 = _mm_sub_ps(iy1,jy1);
250 dz11 = _mm_sub_ps(iz1,jz1);
251 dx12 = _mm_sub_ps(ix1,jx2);
252 dy12 = _mm_sub_ps(iy1,jy2);
253 dz12 = _mm_sub_ps(iz1,jz2);
254 dx20 = _mm_sub_ps(ix2,jx0);
255 dy20 = _mm_sub_ps(iy2,jy0);
256 dz20 = _mm_sub_ps(iz2,jz0);
257 dx21 = _mm_sub_ps(ix2,jx1);
258 dy21 = _mm_sub_ps(iy2,jy1);
259 dz21 = _mm_sub_ps(iz2,jz1);
260 dx22 = _mm_sub_ps(ix2,jx2);
261 dy22 = _mm_sub_ps(iy2,jy2);
262 dz22 = _mm_sub_ps(iz2,jz2);
263
264 /* Calculate squared distance and things based on it */
265 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
266 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
267 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
268 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
269 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
270 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
271 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
272 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
273 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
274
275 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
276 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
277 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
278 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
279 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
280 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
281 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
282 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
283 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
284
285 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
286 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
287 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
288 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
289 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
290 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
291 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
292 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
293 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
294
295 fjx0 = _mm_setzero_ps();
296 fjy0 = _mm_setzero_ps();
297 fjz0 = _mm_setzero_ps();
298 fjx1 = _mm_setzero_ps();
299 fjy1 = _mm_setzero_ps();
300 fjz1 = _mm_setzero_ps();
301 fjx2 = _mm_setzero_ps();
302 fjy2 = _mm_setzero_ps();
303 fjz2 = _mm_setzero_ps();
304
305 /**************************
306 * CALCULATE INTERACTIONS *
307 **************************/
308
309 if (gmx_mm_any_lt(rsq00,rcutoff2))
310 {
311
312 /* REACTION-FIELD ELECTROSTATICS */
313 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf));
314 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
315
316 /* LENNARD-JONES DISPERSION/REPULSION */
317
318 rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00);
319 vvdw6 = _mm_mul_ps(c6_00,rinvsix);
320 vvdw12 = _mm_mul_ps(c12_00,_mm_mul_ps(rinvsix,rinvsix));
321 vvdw = _mm_sub_ps(_mm_mul_ps( _mm_sub_ps(vvdw12 , _mm_mul_ps(c12_00,_mm_mul_ps(sh_vdw_invrcut6,sh_vdw_invrcut6))), one_twelfth) ,
322 _mm_mul_ps( _mm_sub_ps(vvdw6,_mm_mul_ps(c6_00,sh_vdw_invrcut6)),one_sixth));
323 fvdw = _mm_mul_ps(_mm_sub_ps(vvdw12,vvdw6),rinvsq00);
324
325 cutoff_mask = _mm_cmplt_ps(rsq00,rcutoff2);
326
327 /* Update potential sum for this i atom from the interaction with this j atom. */
328 velec = _mm_and_ps(velec,cutoff_mask);
329 velecsum = _mm_add_ps(velecsum,velec);
330 vvdw = _mm_and_ps(vvdw,cutoff_mask);
331 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
332
333 fscal = _mm_add_ps(felec,fvdw);
334
335 fscal = _mm_and_ps(fscal,cutoff_mask);
336
337 /* Calculate temporary vectorial force */
338 tx = _mm_mul_ps(fscal,dx00);
339 ty = _mm_mul_ps(fscal,dy00);
340 tz = _mm_mul_ps(fscal,dz00);
341
342 /* Update vectorial force */
343 fix0 = _mm_add_ps(fix0,tx);
344 fiy0 = _mm_add_ps(fiy0,ty);
345 fiz0 = _mm_add_ps(fiz0,tz);
346
347 fjx0 = _mm_add_ps(fjx0,tx);
348 fjy0 = _mm_add_ps(fjy0,ty);
349 fjz0 = _mm_add_ps(fjz0,tz);
350
351 }
352
353 /**************************
354 * CALCULATE INTERACTIONS *
355 **************************/
356
357 if (gmx_mm_any_lt(rsq01,rcutoff2))
358 {
359
360 /* REACTION-FIELD ELECTROSTATICS */
361 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf));
362 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
363
364 cutoff_mask = _mm_cmplt_ps(rsq01,rcutoff2);
365
366 /* Update potential sum for this i atom from the interaction with this j atom. */
367 velec = _mm_and_ps(velec,cutoff_mask);
368 velecsum = _mm_add_ps(velecsum,velec);
369
370 fscal = felec;
371
372 fscal = _mm_and_ps(fscal,cutoff_mask);
373
374 /* Calculate temporary vectorial force */
375 tx = _mm_mul_ps(fscal,dx01);
376 ty = _mm_mul_ps(fscal,dy01);
377 tz = _mm_mul_ps(fscal,dz01);
378
379 /* Update vectorial force */
380 fix0 = _mm_add_ps(fix0,tx);
381 fiy0 = _mm_add_ps(fiy0,ty);
382 fiz0 = _mm_add_ps(fiz0,tz);
383
384 fjx1 = _mm_add_ps(fjx1,tx);
385 fjy1 = _mm_add_ps(fjy1,ty);
386 fjz1 = _mm_add_ps(fjz1,tz);
387
388 }
389
390 /**************************
391 * CALCULATE INTERACTIONS *
392 **************************/
393
394 if (gmx_mm_any_lt(rsq02,rcutoff2))
395 {
396
397 /* REACTION-FIELD ELECTROSTATICS */
398 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf));
399 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
400
401 cutoff_mask = _mm_cmplt_ps(rsq02,rcutoff2);
402
403 /* Update potential sum for this i atom from the interaction with this j atom. */
404 velec = _mm_and_ps(velec,cutoff_mask);
405 velecsum = _mm_add_ps(velecsum,velec);
406
407 fscal = felec;
408
409 fscal = _mm_and_ps(fscal,cutoff_mask);
410
411 /* Calculate temporary vectorial force */
412 tx = _mm_mul_ps(fscal,dx02);
413 ty = _mm_mul_ps(fscal,dy02);
414 tz = _mm_mul_ps(fscal,dz02);
415
416 /* Update vectorial force */
417 fix0 = _mm_add_ps(fix0,tx);
418 fiy0 = _mm_add_ps(fiy0,ty);
419 fiz0 = _mm_add_ps(fiz0,tz);
420
421 fjx2 = _mm_add_ps(fjx2,tx);
422 fjy2 = _mm_add_ps(fjy2,ty);
423 fjz2 = _mm_add_ps(fjz2,tz);
424
425 }
426
427 /**************************
428 * CALCULATE INTERACTIONS *
429 **************************/
430
431 if (gmx_mm_any_lt(rsq10,rcutoff2))
432 {
433
434 /* REACTION-FIELD ELECTROSTATICS */
435 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf));
436 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
437
438 cutoff_mask = _mm_cmplt_ps(rsq10,rcutoff2);
439
440 /* Update potential sum for this i atom from the interaction with this j atom. */
441 velec = _mm_and_ps(velec,cutoff_mask);
442 velecsum = _mm_add_ps(velecsum,velec);
443
444 fscal = felec;
445
446 fscal = _mm_and_ps(fscal,cutoff_mask);
447
448 /* Calculate temporary vectorial force */
449 tx = _mm_mul_ps(fscal,dx10);
450 ty = _mm_mul_ps(fscal,dy10);
451 tz = _mm_mul_ps(fscal,dz10);
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 fjx0 = _mm_add_ps(fjx0,tx);
459 fjy0 = _mm_add_ps(fjy0,ty);
460 fjz0 = _mm_add_ps(fjz0,tz);
461
462 }
463
464 /**************************
465 * CALCULATE INTERACTIONS *
466 **************************/
467
468 if (gmx_mm_any_lt(rsq11,rcutoff2))
469 {
470
471 /* REACTION-FIELD ELECTROSTATICS */
472 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
473 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
474
475 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
476
477 /* Update potential sum for this i atom from the interaction with this j atom. */
478 velec = _mm_and_ps(velec,cutoff_mask);
479 velecsum = _mm_add_ps(velecsum,velec);
480
481 fscal = felec;
482
483 fscal = _mm_and_ps(fscal,cutoff_mask);
484
485 /* Calculate temporary vectorial force */
486 tx = _mm_mul_ps(fscal,dx11);
487 ty = _mm_mul_ps(fscal,dy11);
488 tz = _mm_mul_ps(fscal,dz11);
489
490 /* Update vectorial force */
491 fix1 = _mm_add_ps(fix1,tx);
492 fiy1 = _mm_add_ps(fiy1,ty);
493 fiz1 = _mm_add_ps(fiz1,tz);
494
495 fjx1 = _mm_add_ps(fjx1,tx);
496 fjy1 = _mm_add_ps(fjy1,ty);
497 fjz1 = _mm_add_ps(fjz1,tz);
498
499 }
500
501 /**************************
502 * CALCULATE INTERACTIONS *
503 **************************/
504
505 if (gmx_mm_any_lt(rsq12,rcutoff2))
506 {
507
508 /* REACTION-FIELD ELECTROSTATICS */
509 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
510 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
511
512 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
513
514 /* Update potential sum for this i atom from the interaction with this j atom. */
515 velec = _mm_and_ps(velec,cutoff_mask);
516 velecsum = _mm_add_ps(velecsum,velec);
517
518 fscal = felec;
519
520 fscal = _mm_and_ps(fscal,cutoff_mask);
521
522 /* Calculate temporary vectorial force */
523 tx = _mm_mul_ps(fscal,dx12);
524 ty = _mm_mul_ps(fscal,dy12);
525 tz = _mm_mul_ps(fscal,dz12);
526
527 /* Update vectorial force */
528 fix1 = _mm_add_ps(fix1,tx);
529 fiy1 = _mm_add_ps(fiy1,ty);
530 fiz1 = _mm_add_ps(fiz1,tz);
531
532 fjx2 = _mm_add_ps(fjx2,tx);
533 fjy2 = _mm_add_ps(fjy2,ty);
534 fjz2 = _mm_add_ps(fjz2,tz);
535
536 }
537
538 /**************************
539 * CALCULATE INTERACTIONS *
540 **************************/
541
542 if (gmx_mm_any_lt(rsq20,rcutoff2))
543 {
544
545 /* REACTION-FIELD ELECTROSTATICS */
546 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf));
547 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
548
549 cutoff_mask = _mm_cmplt_ps(rsq20,rcutoff2);
550
551 /* Update potential sum for this i atom from the interaction with this j atom. */
552 velec = _mm_and_ps(velec,cutoff_mask);
553 velecsum = _mm_add_ps(velecsum,velec);
554
555 fscal = felec;
556
557 fscal = _mm_and_ps(fscal,cutoff_mask);
558
559 /* Calculate temporary vectorial force */
560 tx = _mm_mul_ps(fscal,dx20);
561 ty = _mm_mul_ps(fscal,dy20);
562 tz = _mm_mul_ps(fscal,dz20);
563
564 /* Update vectorial force */
565 fix2 = _mm_add_ps(fix2,tx);
566 fiy2 = _mm_add_ps(fiy2,ty);
567 fiz2 = _mm_add_ps(fiz2,tz);
568
569 fjx0 = _mm_add_ps(fjx0,tx);
570 fjy0 = _mm_add_ps(fjy0,ty);
571 fjz0 = _mm_add_ps(fjz0,tz);
572
573 }
574
575 /**************************
576 * CALCULATE INTERACTIONS *
577 **************************/
578
579 if (gmx_mm_any_lt(rsq21,rcutoff2))
580 {
581
582 /* REACTION-FIELD ELECTROSTATICS */
583 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
584 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
585
586 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
587
588 /* Update potential sum for this i atom from the interaction with this j atom. */
589 velec = _mm_and_ps(velec,cutoff_mask);
590 velecsum = _mm_add_ps(velecsum,velec);
591
592 fscal = felec;
593
594 fscal = _mm_and_ps(fscal,cutoff_mask);
595
596 /* Calculate temporary vectorial force */
597 tx = _mm_mul_ps(fscal,dx21);
598 ty = _mm_mul_ps(fscal,dy21);
599 tz = _mm_mul_ps(fscal,dz21);
600
601 /* Update vectorial force */
602 fix2 = _mm_add_ps(fix2,tx);
603 fiy2 = _mm_add_ps(fiy2,ty);
604 fiz2 = _mm_add_ps(fiz2,tz);
605
606 fjx1 = _mm_add_ps(fjx1,tx);
607 fjy1 = _mm_add_ps(fjy1,ty);
608 fjz1 = _mm_add_ps(fjz1,tz);
609
610 }
611
612 /**************************
613 * CALCULATE INTERACTIONS *
614 **************************/
615
616 if (gmx_mm_any_lt(rsq22,rcutoff2))
617 {
618
619 /* REACTION-FIELD ELECTROSTATICS */
620 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
621 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
622
623 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
624
625 /* Update potential sum for this i atom from the interaction with this j atom. */
626 velec = _mm_and_ps(velec,cutoff_mask);
627 velecsum = _mm_add_ps(velecsum,velec);
628
629 fscal = felec;
630
631 fscal = _mm_and_ps(fscal,cutoff_mask);
632
633 /* Calculate temporary vectorial force */
634 tx = _mm_mul_ps(fscal,dx22);
635 ty = _mm_mul_ps(fscal,dy22);
636 tz = _mm_mul_ps(fscal,dz22);
637
638 /* Update vectorial force */
639 fix2 = _mm_add_ps(fix2,tx);
640 fiy2 = _mm_add_ps(fiy2,ty);
641 fiz2 = _mm_add_ps(fiz2,tz);
642
643 fjx2 = _mm_add_ps(fjx2,tx);
644 fjy2 = _mm_add_ps(fjy2,ty);
645 fjz2 = _mm_add_ps(fjz2,tz);
646
647 }
648
649 fjptrA = f+j_coord_offsetA;
650 fjptrB = f+j_coord_offsetB;
651 fjptrC = f+j_coord_offsetC;
652 fjptrD = f+j_coord_offsetD;
653
654 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
655 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
656
657 /* Inner loop uses 342 flops */
658 }
659
660 if(jidx<j_index_end)
661 {
662
663 /* Get j neighbor index, and coordinate index */
664 jnrlistA = jjnr[jidx];
665 jnrlistB = jjnr[jidx+1];
666 jnrlistC = jjnr[jidx+2];
667 jnrlistD = jjnr[jidx+3];
668 /* Sign of each element will be negative for non-real atoms.
669 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
670 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
671 */
672 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
673 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
674 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
675 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
676 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
677 j_coord_offsetA = DIM3*jnrA;
678 j_coord_offsetB = DIM3*jnrB;
679 j_coord_offsetC = DIM3*jnrC;
680 j_coord_offsetD = DIM3*jnrD;
681
682 /* load j atom coordinates */
683 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
684 x+j_coord_offsetC,x+j_coord_offsetD,
685 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
686
687 /* Calculate displacement vector */
688 dx00 = _mm_sub_ps(ix0,jx0);
689 dy00 = _mm_sub_ps(iy0,jy0);
690 dz00 = _mm_sub_ps(iz0,jz0);
691 dx01 = _mm_sub_ps(ix0,jx1);
692 dy01 = _mm_sub_ps(iy0,jy1);
693 dz01 = _mm_sub_ps(iz0,jz1);
694 dx02 = _mm_sub_ps(ix0,jx2);
695 dy02 = _mm_sub_ps(iy0,jy2);
696 dz02 = _mm_sub_ps(iz0,jz2);
697 dx10 = _mm_sub_ps(ix1,jx0);
698 dy10 = _mm_sub_ps(iy1,jy0);
699 dz10 = _mm_sub_ps(iz1,jz0);
700 dx11 = _mm_sub_ps(ix1,jx1);
701 dy11 = _mm_sub_ps(iy1,jy1);
702 dz11 = _mm_sub_ps(iz1,jz1);
703 dx12 = _mm_sub_ps(ix1,jx2);
704 dy12 = _mm_sub_ps(iy1,jy2);
705 dz12 = _mm_sub_ps(iz1,jz2);
706 dx20 = _mm_sub_ps(ix2,jx0);
707 dy20 = _mm_sub_ps(iy2,jy0);
708 dz20 = _mm_sub_ps(iz2,jz0);
709 dx21 = _mm_sub_ps(ix2,jx1);
710 dy21 = _mm_sub_ps(iy2,jy1);
711 dz21 = _mm_sub_ps(iz2,jz1);
712 dx22 = _mm_sub_ps(ix2,jx2);
713 dy22 = _mm_sub_ps(iy2,jy2);
714 dz22 = _mm_sub_ps(iz2,jz2);
715
716 /* Calculate squared distance and things based on it */
717 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
718 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
719 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
720 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
721 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
722 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
723 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
724 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
725 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
726
727 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
728 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
729 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
730 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
731 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
732 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
733 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
734 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
735 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
736
737 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
738 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
739 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
740 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
741 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
742 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
743 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
744 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
745 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
746
747 fjx0 = _mm_setzero_ps();
748 fjy0 = _mm_setzero_ps();
749 fjz0 = _mm_setzero_ps();
750 fjx1 = _mm_setzero_ps();
751 fjy1 = _mm_setzero_ps();
752 fjz1 = _mm_setzero_ps();
753 fjx2 = _mm_setzero_ps();
754 fjy2 = _mm_setzero_ps();
755 fjz2 = _mm_setzero_ps();
756
757 /**************************
758 * CALCULATE INTERACTIONS *
759 **************************/
760
761 if (gmx_mm_any_lt(rsq00,rcutoff2))
762 {
763
764 /* REACTION-FIELD ELECTROSTATICS */
765 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf));
766 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
767
768 /* LENNARD-JONES DISPERSION/REPULSION */
769
770 rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00);
771 vvdw6 = _mm_mul_ps(c6_00,rinvsix);
772 vvdw12 = _mm_mul_ps(c12_00,_mm_mul_ps(rinvsix,rinvsix));
773 vvdw = _mm_sub_ps(_mm_mul_ps( _mm_sub_ps(vvdw12 , _mm_mul_ps(c12_00,_mm_mul_ps(sh_vdw_invrcut6,sh_vdw_invrcut6))), one_twelfth) ,
774 _mm_mul_ps( _mm_sub_ps(vvdw6,_mm_mul_ps(c6_00,sh_vdw_invrcut6)),one_sixth));
775 fvdw = _mm_mul_ps(_mm_sub_ps(vvdw12,vvdw6),rinvsq00);
776
777 cutoff_mask = _mm_cmplt_ps(rsq00,rcutoff2);
778
779 /* Update potential sum for this i atom from the interaction with this j atom. */
780 velec = _mm_and_ps(velec,cutoff_mask);
781 velec = _mm_andnot_ps(dummy_mask,velec);
782 velecsum = _mm_add_ps(velecsum,velec);
783 vvdw = _mm_and_ps(vvdw,cutoff_mask);
784 vvdw = _mm_andnot_ps(dummy_mask,vvdw);
785 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
786
787 fscal = _mm_add_ps(felec,fvdw);
788
789 fscal = _mm_and_ps(fscal,cutoff_mask);
790
791 fscal = _mm_andnot_ps(dummy_mask,fscal);
792
793 /* Calculate temporary vectorial force */
794 tx = _mm_mul_ps(fscal,dx00);
795 ty = _mm_mul_ps(fscal,dy00);
796 tz = _mm_mul_ps(fscal,dz00);
797
798 /* Update vectorial force */
799 fix0 = _mm_add_ps(fix0,tx);
800 fiy0 = _mm_add_ps(fiy0,ty);
801 fiz0 = _mm_add_ps(fiz0,tz);
802
803 fjx0 = _mm_add_ps(fjx0,tx);
804 fjy0 = _mm_add_ps(fjy0,ty);
805 fjz0 = _mm_add_ps(fjz0,tz);
806
807 }
808
809 /**************************
810 * CALCULATE INTERACTIONS *
811 **************************/
812
813 if (gmx_mm_any_lt(rsq01,rcutoff2))
814 {
815
816 /* REACTION-FIELD ELECTROSTATICS */
817 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf));
818 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
819
820 cutoff_mask = _mm_cmplt_ps(rsq01,rcutoff2);
821
822 /* Update potential sum for this i atom from the interaction with this j atom. */
823 velec = _mm_and_ps(velec,cutoff_mask);
824 velec = _mm_andnot_ps(dummy_mask,velec);
825 velecsum = _mm_add_ps(velecsum,velec);
826
827 fscal = felec;
828
829 fscal = _mm_and_ps(fscal,cutoff_mask);
830
831 fscal = _mm_andnot_ps(dummy_mask,fscal);
832
833 /* Calculate temporary vectorial force */
834 tx = _mm_mul_ps(fscal,dx01);
835 ty = _mm_mul_ps(fscal,dy01);
836 tz = _mm_mul_ps(fscal,dz01);
837
838 /* Update vectorial force */
839 fix0 = _mm_add_ps(fix0,tx);
840 fiy0 = _mm_add_ps(fiy0,ty);
841 fiz0 = _mm_add_ps(fiz0,tz);
842
843 fjx1 = _mm_add_ps(fjx1,tx);
844 fjy1 = _mm_add_ps(fjy1,ty);
845 fjz1 = _mm_add_ps(fjz1,tz);
846
847 }
848
849 /**************************
850 * CALCULATE INTERACTIONS *
851 **************************/
852
853 if (gmx_mm_any_lt(rsq02,rcutoff2))
854 {
855
856 /* REACTION-FIELD ELECTROSTATICS */
857 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf));
858 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
859
860 cutoff_mask = _mm_cmplt_ps(rsq02,rcutoff2);
861
862 /* Update potential sum for this i atom from the interaction with this j atom. */
863 velec = _mm_and_ps(velec,cutoff_mask);
864 velec = _mm_andnot_ps(dummy_mask,velec);
865 velecsum = _mm_add_ps(velecsum,velec);
866
867 fscal = felec;
868
869 fscal = _mm_and_ps(fscal,cutoff_mask);
870
871 fscal = _mm_andnot_ps(dummy_mask,fscal);
872
873 /* Calculate temporary vectorial force */
874 tx = _mm_mul_ps(fscal,dx02);
875 ty = _mm_mul_ps(fscal,dy02);
876 tz = _mm_mul_ps(fscal,dz02);
877
878 /* Update vectorial force */
879 fix0 = _mm_add_ps(fix0,tx);
880 fiy0 = _mm_add_ps(fiy0,ty);
881 fiz0 = _mm_add_ps(fiz0,tz);
882
883 fjx2 = _mm_add_ps(fjx2,tx);
884 fjy2 = _mm_add_ps(fjy2,ty);
885 fjz2 = _mm_add_ps(fjz2,tz);
886
887 }
888
889 /**************************
890 * CALCULATE INTERACTIONS *
891 **************************/
892
893 if (gmx_mm_any_lt(rsq10,rcutoff2))
894 {
895
896 /* REACTION-FIELD ELECTROSTATICS */
897 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf));
898 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
899
900 cutoff_mask = _mm_cmplt_ps(rsq10,rcutoff2);
901
902 /* Update potential sum for this i atom from the interaction with this j atom. */
903 velec = _mm_and_ps(velec,cutoff_mask);
904 velec = _mm_andnot_ps(dummy_mask,velec);
905 velecsum = _mm_add_ps(velecsum,velec);
906
907 fscal = felec;
908
909 fscal = _mm_and_ps(fscal,cutoff_mask);
910
911 fscal = _mm_andnot_ps(dummy_mask,fscal);
912
913 /* Calculate temporary vectorial force */
914 tx = _mm_mul_ps(fscal,dx10);
915 ty = _mm_mul_ps(fscal,dy10);
916 tz = _mm_mul_ps(fscal,dz10);
917
918 /* Update vectorial force */
919 fix1 = _mm_add_ps(fix1,tx);
920 fiy1 = _mm_add_ps(fiy1,ty);
921 fiz1 = _mm_add_ps(fiz1,tz);
922
923 fjx0 = _mm_add_ps(fjx0,tx);
924 fjy0 = _mm_add_ps(fjy0,ty);
925 fjz0 = _mm_add_ps(fjz0,tz);
926
927 }
928
929 /**************************
930 * CALCULATE INTERACTIONS *
931 **************************/
932
933 if (gmx_mm_any_lt(rsq11,rcutoff2))
934 {
935
936 /* REACTION-FIELD ELECTROSTATICS */
937 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
938 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
939
940 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
941
942 /* Update potential sum for this i atom from the interaction with this j atom. */
943 velec = _mm_and_ps(velec,cutoff_mask);
944 velec = _mm_andnot_ps(dummy_mask,velec);
945 velecsum = _mm_add_ps(velecsum,velec);
946
947 fscal = felec;
948
949 fscal = _mm_and_ps(fscal,cutoff_mask);
950
951 fscal = _mm_andnot_ps(dummy_mask,fscal);
952
953 /* Calculate temporary vectorial force */
954 tx = _mm_mul_ps(fscal,dx11);
955 ty = _mm_mul_ps(fscal,dy11);
956 tz = _mm_mul_ps(fscal,dz11);
957
958 /* Update vectorial force */
959 fix1 = _mm_add_ps(fix1,tx);
960 fiy1 = _mm_add_ps(fiy1,ty);
961 fiz1 = _mm_add_ps(fiz1,tz);
962
963 fjx1 = _mm_add_ps(fjx1,tx);
964 fjy1 = _mm_add_ps(fjy1,ty);
965 fjz1 = _mm_add_ps(fjz1,tz);
966
967 }
968
969 /**************************
970 * CALCULATE INTERACTIONS *
971 **************************/
972
973 if (gmx_mm_any_lt(rsq12,rcutoff2))
974 {
975
976 /* REACTION-FIELD ELECTROSTATICS */
977 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
978 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
979
980 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
981
982 /* Update potential sum for this i atom from the interaction with this j atom. */
983 velec = _mm_and_ps(velec,cutoff_mask);
984 velec = _mm_andnot_ps(dummy_mask,velec);
985 velecsum = _mm_add_ps(velecsum,velec);
986
987 fscal = felec;
988
989 fscal = _mm_and_ps(fscal,cutoff_mask);
990
991 fscal = _mm_andnot_ps(dummy_mask,fscal);
992
993 /* Calculate temporary vectorial force */
994 tx = _mm_mul_ps(fscal,dx12);
995 ty = _mm_mul_ps(fscal,dy12);
996 tz = _mm_mul_ps(fscal,dz12);
997
998 /* Update vectorial force */
999 fix1 = _mm_add_ps(fix1,tx);
1000 fiy1 = _mm_add_ps(fiy1,ty);
1001 fiz1 = _mm_add_ps(fiz1,tz);
1002
1003 fjx2 = _mm_add_ps(fjx2,tx);
1004 fjy2 = _mm_add_ps(fjy2,ty);
1005 fjz2 = _mm_add_ps(fjz2,tz);
1006
1007 }
1008
1009 /**************************
1010 * CALCULATE INTERACTIONS *
1011 **************************/
1012
1013 if (gmx_mm_any_lt(rsq20,rcutoff2))
1014 {
1015
1016 /* REACTION-FIELD ELECTROSTATICS */
1017 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf));
1018 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
1019
1020 cutoff_mask = _mm_cmplt_ps(rsq20,rcutoff2);
1021
1022 /* Update potential sum for this i atom from the interaction with this j atom. */
1023 velec = _mm_and_ps(velec,cutoff_mask);
1024 velec = _mm_andnot_ps(dummy_mask,velec);
1025 velecsum = _mm_add_ps(velecsum,velec);
1026
1027 fscal = felec;
1028
1029 fscal = _mm_and_ps(fscal,cutoff_mask);
1030
1031 fscal = _mm_andnot_ps(dummy_mask,fscal);
1032
1033 /* Calculate temporary vectorial force */
1034 tx = _mm_mul_ps(fscal,dx20);
1035 ty = _mm_mul_ps(fscal,dy20);
1036 tz = _mm_mul_ps(fscal,dz20);
1037
1038 /* Update vectorial force */
1039 fix2 = _mm_add_ps(fix2,tx);
1040 fiy2 = _mm_add_ps(fiy2,ty);
1041 fiz2 = _mm_add_ps(fiz2,tz);
1042
1043 fjx0 = _mm_add_ps(fjx0,tx);
1044 fjy0 = _mm_add_ps(fjy0,ty);
1045 fjz0 = _mm_add_ps(fjz0,tz);
1046
1047 }
1048
1049 /**************************
1050 * CALCULATE INTERACTIONS *
1051 **************************/
1052
1053 if (gmx_mm_any_lt(rsq21,rcutoff2))
1054 {
1055
1056 /* REACTION-FIELD ELECTROSTATICS */
1057 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
1058 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1059
1060 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
1061
1062 /* Update potential sum for this i atom from the interaction with this j atom. */
1063 velec = _mm_and_ps(velec,cutoff_mask);
1064 velec = _mm_andnot_ps(dummy_mask,velec);
1065 velecsum = _mm_add_ps(velecsum,velec);
1066
1067 fscal = felec;
1068
1069 fscal = _mm_and_ps(fscal,cutoff_mask);
1070
1071 fscal = _mm_andnot_ps(dummy_mask,fscal);
1072
1073 /* Calculate temporary vectorial force */
1074 tx = _mm_mul_ps(fscal,dx21);
1075 ty = _mm_mul_ps(fscal,dy21);
1076 tz = _mm_mul_ps(fscal,dz21);
1077
1078 /* Update vectorial force */
1079 fix2 = _mm_add_ps(fix2,tx);
1080 fiy2 = _mm_add_ps(fiy2,ty);
1081 fiz2 = _mm_add_ps(fiz2,tz);
1082
1083 fjx1 = _mm_add_ps(fjx1,tx);
1084 fjy1 = _mm_add_ps(fjy1,ty);
1085 fjz1 = _mm_add_ps(fjz1,tz);
1086
1087 }
1088
1089 /**************************
1090 * CALCULATE INTERACTIONS *
1091 **************************/
1092
1093 if (gmx_mm_any_lt(rsq22,rcutoff2))
1094 {
1095
1096 /* REACTION-FIELD ELECTROSTATICS */
1097 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
1098 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1099
1100 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
1101
1102 /* Update potential sum for this i atom from the interaction with this j atom. */
1103 velec = _mm_and_ps(velec,cutoff_mask);
1104 velec = _mm_andnot_ps(dummy_mask,velec);
1105 velecsum = _mm_add_ps(velecsum,velec);
1106
1107 fscal = felec;
1108
1109 fscal = _mm_and_ps(fscal,cutoff_mask);
1110
1111 fscal = _mm_andnot_ps(dummy_mask,fscal);
1112
1113 /* Calculate temporary vectorial force */
1114 tx = _mm_mul_ps(fscal,dx22);
1115 ty = _mm_mul_ps(fscal,dy22);
1116 tz = _mm_mul_ps(fscal,dz22);
1117
1118 /* Update vectorial force */
1119 fix2 = _mm_add_ps(fix2,tx);
1120 fiy2 = _mm_add_ps(fiy2,ty);
1121 fiz2 = _mm_add_ps(fiz2,tz);
1122
1123 fjx2 = _mm_add_ps(fjx2,tx);
1124 fjy2 = _mm_add_ps(fjy2,ty);
1125 fjz2 = _mm_add_ps(fjz2,tz);
1126
1127 }
1128
1129 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1130 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1131 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1132 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1133
1134 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1135 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1136
1137 /* Inner loop uses 342 flops */
1138 }
1139
1140 /* End of innermost loop */
1141
1142 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1143 f+i_coord_offset,fshift+i_shift_offset);
1144
1145 ggid = gid[iidx];
1146 /* Update potential energies */
1147 gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid);
1148 gmx_mm_update_1pot_ps(vvdwsum,kernel_data->energygrp_vdw+ggid);
1149
1150 /* Increment number of inner iterations */
1151 inneriter += j_index_end - j_index_start;
1152
1153 /* Outer loop uses 20 flops */
1154 }
1155
1156 /* Increment number of outer iterations */
1157 outeriter += nri;
1158
1159 /* Update outer/inner flops */
1160
1161 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_VF,outeriter*20 + inneriter*342)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_VF] += outeriter*20 +
inneriter*342
;
1162}
1163/*
1164 * Gromacs nonbonded kernel: nb_kernel_ElecRFCut_VdwLJSh_GeomW3W3_F_sse4_1_single
1165 * Electrostatics interaction: ReactionField
1166 * VdW interaction: LennardJones
1167 * Geometry: Water3-Water3
1168 * Calculate force/pot: Force
1169 */
1170void
1171nb_kernel_ElecRFCut_VdwLJSh_GeomW3W3_F_sse4_1_single
1172 (t_nblist * gmx_restrict nlist,
1173 rvec * gmx_restrict xx,
1174 rvec * gmx_restrict ff,
1175 t_forcerec * gmx_restrict fr,
1176 t_mdatoms * gmx_restrict mdatoms,
1177 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data,
1178 t_nrnb * gmx_restrict nrnb)
1179{
1180 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1181 * just 0 for non-waters.
1182 * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different
1183 * jnr indices corresponding to data put in the four positions in the SIMD register.
1184 */
1185 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1186 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1187 int jnrA,jnrB,jnrC,jnrD;
1188 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
1189 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
1190 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1191 real rcutoff_scalar;
1192 real *shiftvec,*fshift,*x,*f;
1193 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
1194 real scratch[4*DIM3];
1195 __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
1196 int vdwioffset0;
1197 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
1198 int vdwioffset1;
1199 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1200 int vdwioffset2;
1201 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1202 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
1203 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
1204 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
1205 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1206 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
1207 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1208 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
1209 __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
1210 __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
1211 __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
1212 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1213 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1214 __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
1215 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1216 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1217 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
1218 real *charge;
1219 int nvdwtype;
1220 __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
1221 int *vdwtype;
1222 real *vdwparam;
1223 __m128 one_sixth = _mm_set1_ps(1.0/6.0);
Value stored to 'one_sixth' during its initialization is never read
1224 __m128 one_twelfth = _mm_set1_ps(1.0/12.0);
1225 __m128 dummy_mask,cutoff_mask;
1226 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
1227 __m128 one = _mm_set1_ps(1.0);
1228 __m128 two = _mm_set1_ps(2.0);
1229 x = xx[0];
1230 f = ff[0];
1231
1232 nri = nlist->nri;
1233 iinr = nlist->iinr;
1234 jindex = nlist->jindex;
1235 jjnr = nlist->jjnr;
1236 shiftidx = nlist->shift;
1237 gid = nlist->gid;
1238 shiftvec = fr->shift_vec[0];
1239 fshift = fr->fshift[0];
1240 facel = _mm_set1_ps(fr->epsfac);
1241 charge = mdatoms->chargeA;
1242 krf = _mm_set1_ps(fr->ic->k_rf);
1243 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
1244 crf = _mm_set1_ps(fr->ic->c_rf);
1245 nvdwtype = fr->ntype;
1246 vdwparam = fr->nbfp;
1247 vdwtype = mdatoms->typeA;
1248
1249 /* Setup water-specific parameters */
1250 inr = nlist->iinr[0];
1251 iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0]));
1252 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
1253 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
1254 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
1255
1256 jq0 = _mm_set1_ps(charge[inr+0]);
1257 jq1 = _mm_set1_ps(charge[inr+1]);
1258 jq2 = _mm_set1_ps(charge[inr+2]);
1259 vdwjidx0A = 2*vdwtype[inr+0];
1260 qq00 = _mm_mul_ps(iq0,jq0);
1261 c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]);
1262 c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]);
1263 qq01 = _mm_mul_ps(iq0,jq1);
1264 qq02 = _mm_mul_ps(iq0,jq2);
1265 qq10 = _mm_mul_ps(iq1,jq0);
1266 qq11 = _mm_mul_ps(iq1,jq1);
1267 qq12 = _mm_mul_ps(iq1,jq2);
1268 qq20 = _mm_mul_ps(iq2,jq0);
1269 qq21 = _mm_mul_ps(iq2,jq1);
1270 qq22 = _mm_mul_ps(iq2,jq2);
1271
1272 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
1273 rcutoff_scalar = fr->rcoulomb;
1274 rcutoff = _mm_set1_ps(rcutoff_scalar);
1275 rcutoff2 = _mm_mul_ps(rcutoff,rcutoff);
1276
1277 sh_vdw_invrcut6 = _mm_set1_ps(fr->ic->sh_invrc6);
1278 rvdw = _mm_set1_ps(fr->rvdw);
1279
1280 /* Avoid stupid compiler warnings */
1281 jnrA = jnrB = jnrC = jnrD = 0;
1282 j_coord_offsetA = 0;
1283 j_coord_offsetB = 0;
1284 j_coord_offsetC = 0;
1285 j_coord_offsetD = 0;
1286
1287 outeriter = 0;
1288 inneriter = 0;
1289
1290 for(iidx=0;iidx<4*DIM3;iidx++)
1291 {
1292 scratch[iidx] = 0.0;
1293 }
1294
1295 /* Start outer loop over neighborlists */
1296 for(iidx=0; iidx<nri; iidx++)
1297 {
1298 /* Load shift vector for this list */
1299 i_shift_offset = DIM3*shiftidx[iidx];
1300
1301 /* Load limits for loop over neighbors */
1302 j_index_start = jindex[iidx];
1303 j_index_end = jindex[iidx+1];
1304
1305 /* Get outer coordinate index */
1306 inr = iinr[iidx];
1307 i_coord_offset = DIM3*inr;
1308
1309 /* Load i particle coords and add shift vector */
1310 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
1311 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
1312
1313 fix0 = _mm_setzero_ps();
1314 fiy0 = _mm_setzero_ps();
1315 fiz0 = _mm_setzero_ps();
1316 fix1 = _mm_setzero_ps();
1317 fiy1 = _mm_setzero_ps();
1318 fiz1 = _mm_setzero_ps();
1319 fix2 = _mm_setzero_ps();
1320 fiy2 = _mm_setzero_ps();
1321 fiz2 = _mm_setzero_ps();
1322
1323 /* Start inner kernel loop */
1324 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
1325 {
1326
1327 /* Get j neighbor index, and coordinate index */
1328 jnrA = jjnr[jidx];
1329 jnrB = jjnr[jidx+1];
1330 jnrC = jjnr[jidx+2];
1331 jnrD = jjnr[jidx+3];
1332 j_coord_offsetA = DIM3*jnrA;
1333 j_coord_offsetB = DIM3*jnrB;
1334 j_coord_offsetC = DIM3*jnrC;
1335 j_coord_offsetD = DIM3*jnrD;
1336
1337 /* load j atom coordinates */
1338 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1339 x+j_coord_offsetC,x+j_coord_offsetD,
1340 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1341
1342 /* Calculate displacement vector */
1343 dx00 = _mm_sub_ps(ix0,jx0);
1344 dy00 = _mm_sub_ps(iy0,jy0);
1345 dz00 = _mm_sub_ps(iz0,jz0);
1346 dx01 = _mm_sub_ps(ix0,jx1);
1347 dy01 = _mm_sub_ps(iy0,jy1);
1348 dz01 = _mm_sub_ps(iz0,jz1);
1349 dx02 = _mm_sub_ps(ix0,jx2);
1350 dy02 = _mm_sub_ps(iy0,jy2);
1351 dz02 = _mm_sub_ps(iz0,jz2);
1352 dx10 = _mm_sub_ps(ix1,jx0);
1353 dy10 = _mm_sub_ps(iy1,jy0);
1354 dz10 = _mm_sub_ps(iz1,jz0);
1355 dx11 = _mm_sub_ps(ix1,jx1);
1356 dy11 = _mm_sub_ps(iy1,jy1);
1357 dz11 = _mm_sub_ps(iz1,jz1);
1358 dx12 = _mm_sub_ps(ix1,jx2);
1359 dy12 = _mm_sub_ps(iy1,jy2);
1360 dz12 = _mm_sub_ps(iz1,jz2);
1361 dx20 = _mm_sub_ps(ix2,jx0);
1362 dy20 = _mm_sub_ps(iy2,jy0);
1363 dz20 = _mm_sub_ps(iz2,jz0);
1364 dx21 = _mm_sub_ps(ix2,jx1);
1365 dy21 = _mm_sub_ps(iy2,jy1);
1366 dz21 = _mm_sub_ps(iz2,jz1);
1367 dx22 = _mm_sub_ps(ix2,jx2);
1368 dy22 = _mm_sub_ps(iy2,jy2);
1369 dz22 = _mm_sub_ps(iz2,jz2);
1370
1371 /* Calculate squared distance and things based on it */
1372 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1373 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1374 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1375 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1376 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1377 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1378 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1379 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1380 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1381
1382 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1383 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
1384 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
1385 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
1386 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1387 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1388 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
1389 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1390 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1391
1392 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1393 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1394 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1395 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1396 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1397 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1398 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1399 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1400 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1401
1402 fjx0 = _mm_setzero_ps();
1403 fjy0 = _mm_setzero_ps();
1404 fjz0 = _mm_setzero_ps();
1405 fjx1 = _mm_setzero_ps();
1406 fjy1 = _mm_setzero_ps();
1407 fjz1 = _mm_setzero_ps();
1408 fjx2 = _mm_setzero_ps();
1409 fjy2 = _mm_setzero_ps();
1410 fjz2 = _mm_setzero_ps();
1411
1412 /**************************
1413 * CALCULATE INTERACTIONS *
1414 **************************/
1415
1416 if (gmx_mm_any_lt(rsq00,rcutoff2))
1417 {
1418
1419 /* REACTION-FIELD ELECTROSTATICS */
1420 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
1421
1422 /* LENNARD-JONES DISPERSION/REPULSION */
1423
1424 rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00);
1425 fvdw = _mm_mul_ps(_mm_sub_ps(_mm_mul_ps(c12_00,rinvsix),c6_00),_mm_mul_ps(rinvsix,rinvsq00));
1426
1427 cutoff_mask = _mm_cmplt_ps(rsq00,rcutoff2);
1428
1429 fscal = _mm_add_ps(felec,fvdw);
1430
1431 fscal = _mm_and_ps(fscal,cutoff_mask);
1432
1433 /* Calculate temporary vectorial force */
1434 tx = _mm_mul_ps(fscal,dx00);
1435 ty = _mm_mul_ps(fscal,dy00);
1436 tz = _mm_mul_ps(fscal,dz00);
1437
1438 /* Update vectorial force */
1439 fix0 = _mm_add_ps(fix0,tx);
1440 fiy0 = _mm_add_ps(fiy0,ty);
1441 fiz0 = _mm_add_ps(fiz0,tz);
1442
1443 fjx0 = _mm_add_ps(fjx0,tx);
1444 fjy0 = _mm_add_ps(fjy0,ty);
1445 fjz0 = _mm_add_ps(fjz0,tz);
1446
1447 }
1448
1449 /**************************
1450 * CALCULATE INTERACTIONS *
1451 **************************/
1452
1453 if (gmx_mm_any_lt(rsq01,rcutoff2))
1454 {
1455
1456 /* REACTION-FIELD ELECTROSTATICS */
1457 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
1458
1459 cutoff_mask = _mm_cmplt_ps(rsq01,rcutoff2);
1460
1461 fscal = felec;
1462
1463 fscal = _mm_and_ps(fscal,cutoff_mask);
1464
1465 /* Calculate temporary vectorial force */
1466 tx = _mm_mul_ps(fscal,dx01);
1467 ty = _mm_mul_ps(fscal,dy01);
1468 tz = _mm_mul_ps(fscal,dz01);
1469
1470 /* Update vectorial force */
1471 fix0 = _mm_add_ps(fix0,tx);
1472 fiy0 = _mm_add_ps(fiy0,ty);
1473 fiz0 = _mm_add_ps(fiz0,tz);
1474
1475 fjx1 = _mm_add_ps(fjx1,tx);
1476 fjy1 = _mm_add_ps(fjy1,ty);
1477 fjz1 = _mm_add_ps(fjz1,tz);
1478
1479 }
1480
1481 /**************************
1482 * CALCULATE INTERACTIONS *
1483 **************************/
1484
1485 if (gmx_mm_any_lt(rsq02,rcutoff2))
1486 {
1487
1488 /* REACTION-FIELD ELECTROSTATICS */
1489 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
1490
1491 cutoff_mask = _mm_cmplt_ps(rsq02,rcutoff2);
1492
1493 fscal = felec;
1494
1495 fscal = _mm_and_ps(fscal,cutoff_mask);
1496
1497 /* Calculate temporary vectorial force */
1498 tx = _mm_mul_ps(fscal,dx02);
1499 ty = _mm_mul_ps(fscal,dy02);
1500 tz = _mm_mul_ps(fscal,dz02);
1501
1502 /* Update vectorial force */
1503 fix0 = _mm_add_ps(fix0,tx);
1504 fiy0 = _mm_add_ps(fiy0,ty);
1505 fiz0 = _mm_add_ps(fiz0,tz);
1506
1507 fjx2 = _mm_add_ps(fjx2,tx);
1508 fjy2 = _mm_add_ps(fjy2,ty);
1509 fjz2 = _mm_add_ps(fjz2,tz);
1510
1511 }
1512
1513 /**************************
1514 * CALCULATE INTERACTIONS *
1515 **************************/
1516
1517 if (gmx_mm_any_lt(rsq10,rcutoff2))
1518 {
1519
1520 /* REACTION-FIELD ELECTROSTATICS */
1521 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
1522
1523 cutoff_mask = _mm_cmplt_ps(rsq10,rcutoff2);
1524
1525 fscal = felec;
1526
1527 fscal = _mm_and_ps(fscal,cutoff_mask);
1528
1529 /* Calculate temporary vectorial force */
1530 tx = _mm_mul_ps(fscal,dx10);
1531 ty = _mm_mul_ps(fscal,dy10);
1532 tz = _mm_mul_ps(fscal,dz10);
1533
1534 /* Update vectorial force */
1535 fix1 = _mm_add_ps(fix1,tx);
1536 fiy1 = _mm_add_ps(fiy1,ty);
1537 fiz1 = _mm_add_ps(fiz1,tz);
1538
1539 fjx0 = _mm_add_ps(fjx0,tx);
1540 fjy0 = _mm_add_ps(fjy0,ty);
1541 fjz0 = _mm_add_ps(fjz0,tz);
1542
1543 }
1544
1545 /**************************
1546 * CALCULATE INTERACTIONS *
1547 **************************/
1548
1549 if (gmx_mm_any_lt(rsq11,rcutoff2))
1550 {
1551
1552 /* REACTION-FIELD ELECTROSTATICS */
1553 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1554
1555 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
1556
1557 fscal = felec;
1558
1559 fscal = _mm_and_ps(fscal,cutoff_mask);
1560
1561 /* Calculate temporary vectorial force */
1562 tx = _mm_mul_ps(fscal,dx11);
1563 ty = _mm_mul_ps(fscal,dy11);
1564 tz = _mm_mul_ps(fscal,dz11);
1565
1566 /* Update vectorial force */
1567 fix1 = _mm_add_ps(fix1,tx);
1568 fiy1 = _mm_add_ps(fiy1,ty);
1569 fiz1 = _mm_add_ps(fiz1,tz);
1570
1571 fjx1 = _mm_add_ps(fjx1,tx);
1572 fjy1 = _mm_add_ps(fjy1,ty);
1573 fjz1 = _mm_add_ps(fjz1,tz);
1574
1575 }
1576
1577 /**************************
1578 * CALCULATE INTERACTIONS *
1579 **************************/
1580
1581 if (gmx_mm_any_lt(rsq12,rcutoff2))
1582 {
1583
1584 /* REACTION-FIELD ELECTROSTATICS */
1585 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1586
1587 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
1588
1589 fscal = felec;
1590
1591 fscal = _mm_and_ps(fscal,cutoff_mask);
1592
1593 /* Calculate temporary vectorial force */
1594 tx = _mm_mul_ps(fscal,dx12);
1595 ty = _mm_mul_ps(fscal,dy12);
1596 tz = _mm_mul_ps(fscal,dz12);
1597
1598 /* Update vectorial force */
1599 fix1 = _mm_add_ps(fix1,tx);
1600 fiy1 = _mm_add_ps(fiy1,ty);
1601 fiz1 = _mm_add_ps(fiz1,tz);
1602
1603 fjx2 = _mm_add_ps(fjx2,tx);
1604 fjy2 = _mm_add_ps(fjy2,ty);
1605 fjz2 = _mm_add_ps(fjz2,tz);
1606
1607 }
1608
1609 /**************************
1610 * CALCULATE INTERACTIONS *
1611 **************************/
1612
1613 if (gmx_mm_any_lt(rsq20,rcutoff2))
1614 {
1615
1616 /* REACTION-FIELD ELECTROSTATICS */
1617 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
1618
1619 cutoff_mask = _mm_cmplt_ps(rsq20,rcutoff2);
1620
1621 fscal = felec;
1622
1623 fscal = _mm_and_ps(fscal,cutoff_mask);
1624
1625 /* Calculate temporary vectorial force */
1626 tx = _mm_mul_ps(fscal,dx20);
1627 ty = _mm_mul_ps(fscal,dy20);
1628 tz = _mm_mul_ps(fscal,dz20);
1629
1630 /* Update vectorial force */
1631 fix2 = _mm_add_ps(fix2,tx);
1632 fiy2 = _mm_add_ps(fiy2,ty);
1633 fiz2 = _mm_add_ps(fiz2,tz);
1634
1635 fjx0 = _mm_add_ps(fjx0,tx);
1636 fjy0 = _mm_add_ps(fjy0,ty);
1637 fjz0 = _mm_add_ps(fjz0,tz);
1638
1639 }
1640
1641 /**************************
1642 * CALCULATE INTERACTIONS *
1643 **************************/
1644
1645 if (gmx_mm_any_lt(rsq21,rcutoff2))
1646 {
1647
1648 /* REACTION-FIELD ELECTROSTATICS */
1649 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1650
1651 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
1652
1653 fscal = felec;
1654
1655 fscal = _mm_and_ps(fscal,cutoff_mask);
1656
1657 /* Calculate temporary vectorial force */
1658 tx = _mm_mul_ps(fscal,dx21);
1659 ty = _mm_mul_ps(fscal,dy21);
1660 tz = _mm_mul_ps(fscal,dz21);
1661
1662 /* Update vectorial force */
1663 fix2 = _mm_add_ps(fix2,tx);
1664 fiy2 = _mm_add_ps(fiy2,ty);
1665 fiz2 = _mm_add_ps(fiz2,tz);
1666
1667 fjx1 = _mm_add_ps(fjx1,tx);
1668 fjy1 = _mm_add_ps(fjy1,ty);
1669 fjz1 = _mm_add_ps(fjz1,tz);
1670
1671 }
1672
1673 /**************************
1674 * CALCULATE INTERACTIONS *
1675 **************************/
1676
1677 if (gmx_mm_any_lt(rsq22,rcutoff2))
1678 {
1679
1680 /* REACTION-FIELD ELECTROSTATICS */
1681 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1682
1683 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
1684
1685 fscal = felec;
1686
1687 fscal = _mm_and_ps(fscal,cutoff_mask);
1688
1689 /* Calculate temporary vectorial force */
1690 tx = _mm_mul_ps(fscal,dx22);
1691 ty = _mm_mul_ps(fscal,dy22);
1692 tz = _mm_mul_ps(fscal,dz22);
1693
1694 /* Update vectorial force */
1695 fix2 = _mm_add_ps(fix2,tx);
1696 fiy2 = _mm_add_ps(fiy2,ty);
1697 fiz2 = _mm_add_ps(fiz2,tz);
1698
1699 fjx2 = _mm_add_ps(fjx2,tx);
1700 fjy2 = _mm_add_ps(fjy2,ty);
1701 fjz2 = _mm_add_ps(fjz2,tz);
1702
1703 }
1704
1705 fjptrA = f+j_coord_offsetA;
1706 fjptrB = f+j_coord_offsetB;
1707 fjptrC = f+j_coord_offsetC;
1708 fjptrD = f+j_coord_offsetD;
1709
1710 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1711 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1712
1713 /* Inner loop uses 277 flops */
1714 }
1715
1716 if(jidx<j_index_end)
1717 {
1718
1719 /* Get j neighbor index, and coordinate index */
1720 jnrlistA = jjnr[jidx];
1721 jnrlistB = jjnr[jidx+1];
1722 jnrlistC = jjnr[jidx+2];
1723 jnrlistD = jjnr[jidx+3];
1724 /* Sign of each element will be negative for non-real atoms.
1725 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
1726 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
1727 */
1728 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
1729 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
1730 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
1731 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
1732 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
1733 j_coord_offsetA = DIM3*jnrA;
1734 j_coord_offsetB = DIM3*jnrB;
1735 j_coord_offsetC = DIM3*jnrC;
1736 j_coord_offsetD = DIM3*jnrD;
1737
1738 /* load j atom coordinates */
1739 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1740 x+j_coord_offsetC,x+j_coord_offsetD,
1741 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1742
1743 /* Calculate displacement vector */
1744 dx00 = _mm_sub_ps(ix0,jx0);
1745 dy00 = _mm_sub_ps(iy0,jy0);
1746 dz00 = _mm_sub_ps(iz0,jz0);
1747 dx01 = _mm_sub_ps(ix0,jx1);
1748 dy01 = _mm_sub_ps(iy0,jy1);
1749 dz01 = _mm_sub_ps(iz0,jz1);
1750 dx02 = _mm_sub_ps(ix0,jx2);
1751 dy02 = _mm_sub_ps(iy0,jy2);
1752 dz02 = _mm_sub_ps(iz0,jz2);
1753 dx10 = _mm_sub_ps(ix1,jx0);
1754 dy10 = _mm_sub_ps(iy1,jy0);
1755 dz10 = _mm_sub_ps(iz1,jz0);
1756 dx11 = _mm_sub_ps(ix1,jx1);
1757 dy11 = _mm_sub_ps(iy1,jy1);
1758 dz11 = _mm_sub_ps(iz1,jz1);
1759 dx12 = _mm_sub_ps(ix1,jx2);
1760 dy12 = _mm_sub_ps(iy1,jy2);
1761 dz12 = _mm_sub_ps(iz1,jz2);
1762 dx20 = _mm_sub_ps(ix2,jx0);
1763 dy20 = _mm_sub_ps(iy2,jy0);
1764 dz20 = _mm_sub_ps(iz2,jz0);
1765 dx21 = _mm_sub_ps(ix2,jx1);
1766 dy21 = _mm_sub_ps(iy2,jy1);
1767 dz21 = _mm_sub_ps(iz2,jz1);
1768 dx22 = _mm_sub_ps(ix2,jx2);
1769 dy22 = _mm_sub_ps(iy2,jy2);
1770 dz22 = _mm_sub_ps(iz2,jz2);
1771
1772 /* Calculate squared distance and things based on it */
1773 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1774 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1775 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1776 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1777 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1778 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1779 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1780 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1781 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1782
1783 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1784 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
1785 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
1786 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
1787 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1788 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1789 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
1790 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1791 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1792
1793 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1794 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1795 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1796 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1797 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1798 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1799 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1800 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1801 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1802
1803 fjx0 = _mm_setzero_ps();
1804 fjy0 = _mm_setzero_ps();
1805 fjz0 = _mm_setzero_ps();
1806 fjx1 = _mm_setzero_ps();
1807 fjy1 = _mm_setzero_ps();
1808 fjz1 = _mm_setzero_ps();
1809 fjx2 = _mm_setzero_ps();
1810 fjy2 = _mm_setzero_ps();
1811 fjz2 = _mm_setzero_ps();
1812
1813 /**************************
1814 * CALCULATE INTERACTIONS *
1815 **************************/
1816
1817 if (gmx_mm_any_lt(rsq00,rcutoff2))
1818 {
1819
1820 /* REACTION-FIELD ELECTROSTATICS */
1821 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
1822
1823 /* LENNARD-JONES DISPERSION/REPULSION */
1824
1825 rinvsix = _mm_mul_ps(_mm_mul_ps(rinvsq00,rinvsq00),rinvsq00);
1826 fvdw = _mm_mul_ps(_mm_sub_ps(_mm_mul_ps(c12_00,rinvsix),c6_00),_mm_mul_ps(rinvsix,rinvsq00));
1827
1828 cutoff_mask = _mm_cmplt_ps(rsq00,rcutoff2);
1829
1830 fscal = _mm_add_ps(felec,fvdw);
1831
1832 fscal = _mm_and_ps(fscal,cutoff_mask);
1833
1834 fscal = _mm_andnot_ps(dummy_mask,fscal);
1835
1836 /* Calculate temporary vectorial force */
1837 tx = _mm_mul_ps(fscal,dx00);
1838 ty = _mm_mul_ps(fscal,dy00);
1839 tz = _mm_mul_ps(fscal,dz00);
1840
1841 /* Update vectorial force */
1842 fix0 = _mm_add_ps(fix0,tx);
1843 fiy0 = _mm_add_ps(fiy0,ty);
1844 fiz0 = _mm_add_ps(fiz0,tz);
1845
1846 fjx0 = _mm_add_ps(fjx0,tx);
1847 fjy0 = _mm_add_ps(fjy0,ty);
1848 fjz0 = _mm_add_ps(fjz0,tz);
1849
1850 }
1851
1852 /**************************
1853 * CALCULATE INTERACTIONS *
1854 **************************/
1855
1856 if (gmx_mm_any_lt(rsq01,rcutoff2))
1857 {
1858
1859 /* REACTION-FIELD ELECTROSTATICS */
1860 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
1861
1862 cutoff_mask = _mm_cmplt_ps(rsq01,rcutoff2);
1863
1864 fscal = felec;
1865
1866 fscal = _mm_and_ps(fscal,cutoff_mask);
1867
1868 fscal = _mm_andnot_ps(dummy_mask,fscal);
1869
1870 /* Calculate temporary vectorial force */
1871 tx = _mm_mul_ps(fscal,dx01);
1872 ty = _mm_mul_ps(fscal,dy01);
1873 tz = _mm_mul_ps(fscal,dz01);
1874
1875 /* Update vectorial force */
1876 fix0 = _mm_add_ps(fix0,tx);
1877 fiy0 = _mm_add_ps(fiy0,ty);
1878 fiz0 = _mm_add_ps(fiz0,tz);
1879
1880 fjx1 = _mm_add_ps(fjx1,tx);
1881 fjy1 = _mm_add_ps(fjy1,ty);
1882 fjz1 = _mm_add_ps(fjz1,tz);
1883
1884 }
1885
1886 /**************************
1887 * CALCULATE INTERACTIONS *
1888 **************************/
1889
1890 if (gmx_mm_any_lt(rsq02,rcutoff2))
1891 {
1892
1893 /* REACTION-FIELD ELECTROSTATICS */
1894 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
1895
1896 cutoff_mask = _mm_cmplt_ps(rsq02,rcutoff2);
1897
1898 fscal = felec;
1899
1900 fscal = _mm_and_ps(fscal,cutoff_mask);
1901
1902 fscal = _mm_andnot_ps(dummy_mask,fscal);
1903
1904 /* Calculate temporary vectorial force */
1905 tx = _mm_mul_ps(fscal,dx02);
1906 ty = _mm_mul_ps(fscal,dy02);
1907 tz = _mm_mul_ps(fscal,dz02);
1908
1909 /* Update vectorial force */
1910 fix0 = _mm_add_ps(fix0,tx);
1911 fiy0 = _mm_add_ps(fiy0,ty);
1912 fiz0 = _mm_add_ps(fiz0,tz);
1913
1914 fjx2 = _mm_add_ps(fjx2,tx);
1915 fjy2 = _mm_add_ps(fjy2,ty);
1916 fjz2 = _mm_add_ps(fjz2,tz);
1917
1918 }
1919
1920 /**************************
1921 * CALCULATE INTERACTIONS *
1922 **************************/
1923
1924 if (gmx_mm_any_lt(rsq10,rcutoff2))
1925 {
1926
1927 /* REACTION-FIELD ELECTROSTATICS */
1928 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
1929
1930 cutoff_mask = _mm_cmplt_ps(rsq10,rcutoff2);
1931
1932 fscal = felec;
1933
1934 fscal = _mm_and_ps(fscal,cutoff_mask);
1935
1936 fscal = _mm_andnot_ps(dummy_mask,fscal);
1937
1938 /* Calculate temporary vectorial force */
1939 tx = _mm_mul_ps(fscal,dx10);
1940 ty = _mm_mul_ps(fscal,dy10);
1941 tz = _mm_mul_ps(fscal,dz10);
1942
1943 /* Update vectorial force */
1944 fix1 = _mm_add_ps(fix1,tx);
1945 fiy1 = _mm_add_ps(fiy1,ty);
1946 fiz1 = _mm_add_ps(fiz1,tz);
1947
1948 fjx0 = _mm_add_ps(fjx0,tx);
1949 fjy0 = _mm_add_ps(fjy0,ty);
1950 fjz0 = _mm_add_ps(fjz0,tz);
1951
1952 }
1953
1954 /**************************
1955 * CALCULATE INTERACTIONS *
1956 **************************/
1957
1958 if (gmx_mm_any_lt(rsq11,rcutoff2))
1959 {
1960
1961 /* REACTION-FIELD ELECTROSTATICS */
1962 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1963
1964 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
1965
1966 fscal = felec;
1967
1968 fscal = _mm_and_ps(fscal,cutoff_mask);
1969
1970 fscal = _mm_andnot_ps(dummy_mask,fscal);
1971
1972 /* Calculate temporary vectorial force */
1973 tx = _mm_mul_ps(fscal,dx11);
1974 ty = _mm_mul_ps(fscal,dy11);
1975 tz = _mm_mul_ps(fscal,dz11);
1976
1977 /* Update vectorial force */
1978 fix1 = _mm_add_ps(fix1,tx);
1979 fiy1 = _mm_add_ps(fiy1,ty);
1980 fiz1 = _mm_add_ps(fiz1,tz);
1981
1982 fjx1 = _mm_add_ps(fjx1,tx);
1983 fjy1 = _mm_add_ps(fjy1,ty);
1984 fjz1 = _mm_add_ps(fjz1,tz);
1985
1986 }
1987
1988 /**************************
1989 * CALCULATE INTERACTIONS *
1990 **************************/
1991
1992 if (gmx_mm_any_lt(rsq12,rcutoff2))
1993 {
1994
1995 /* REACTION-FIELD ELECTROSTATICS */
1996 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1997
1998 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
1999
2000 fscal = felec;
2001
2002 fscal = _mm_and_ps(fscal,cutoff_mask);
2003
2004 fscal = _mm_andnot_ps(dummy_mask,fscal);
2005
2006 /* Calculate temporary vectorial force */
2007 tx = _mm_mul_ps(fscal,dx12);
2008 ty = _mm_mul_ps(fscal,dy12);
2009 tz = _mm_mul_ps(fscal,dz12);
2010
2011 /* Update vectorial force */
2012 fix1 = _mm_add_ps(fix1,tx);
2013 fiy1 = _mm_add_ps(fiy1,ty);
2014 fiz1 = _mm_add_ps(fiz1,tz);
2015
2016 fjx2 = _mm_add_ps(fjx2,tx);
2017 fjy2 = _mm_add_ps(fjy2,ty);
2018 fjz2 = _mm_add_ps(fjz2,tz);
2019
2020 }
2021
2022 /**************************
2023 * CALCULATE INTERACTIONS *
2024 **************************/
2025
2026 if (gmx_mm_any_lt(rsq20,rcutoff2))
2027 {
2028
2029 /* REACTION-FIELD ELECTROSTATICS */
2030 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
2031
2032 cutoff_mask = _mm_cmplt_ps(rsq20,rcutoff2);
2033
2034 fscal = felec;
2035
2036 fscal = _mm_and_ps(fscal,cutoff_mask);
2037
2038 fscal = _mm_andnot_ps(dummy_mask,fscal);
2039
2040 /* Calculate temporary vectorial force */
2041 tx = _mm_mul_ps(fscal,dx20);
2042 ty = _mm_mul_ps(fscal,dy20);
2043 tz = _mm_mul_ps(fscal,dz20);
2044
2045 /* Update vectorial force */
2046 fix2 = _mm_add_ps(fix2,tx);
2047 fiy2 = _mm_add_ps(fiy2,ty);
2048 fiz2 = _mm_add_ps(fiz2,tz);
2049
2050 fjx0 = _mm_add_ps(fjx0,tx);
2051 fjy0 = _mm_add_ps(fjy0,ty);
2052 fjz0 = _mm_add_ps(fjz0,tz);
2053
2054 }
2055
2056 /**************************
2057 * CALCULATE INTERACTIONS *
2058 **************************/
2059
2060 if (gmx_mm_any_lt(rsq21,rcutoff2))
2061 {
2062
2063 /* REACTION-FIELD ELECTROSTATICS */
2064 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
2065
2066 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
2067
2068 fscal = felec;
2069
2070 fscal = _mm_and_ps(fscal,cutoff_mask);
2071
2072 fscal = _mm_andnot_ps(dummy_mask,fscal);
2073
2074 /* Calculate temporary vectorial force */
2075 tx = _mm_mul_ps(fscal,dx21);
2076 ty = _mm_mul_ps(fscal,dy21);
2077 tz = _mm_mul_ps(fscal,dz21);
2078
2079 /* Update vectorial force */
2080 fix2 = _mm_add_ps(fix2,tx);
2081 fiy2 = _mm_add_ps(fiy2,ty);
2082 fiz2 = _mm_add_ps(fiz2,tz);
2083
2084 fjx1 = _mm_add_ps(fjx1,tx);
2085 fjy1 = _mm_add_ps(fjy1,ty);
2086 fjz1 = _mm_add_ps(fjz1,tz);
2087
2088 }
2089
2090 /**************************
2091 * CALCULATE INTERACTIONS *
2092 **************************/
2093
2094 if (gmx_mm_any_lt(rsq22,rcutoff2))
2095 {
2096
2097 /* REACTION-FIELD ELECTROSTATICS */
2098 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
2099
2100 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
2101
2102 fscal = felec;
2103
2104 fscal = _mm_and_ps(fscal,cutoff_mask);
2105
2106 fscal = _mm_andnot_ps(dummy_mask,fscal);
2107
2108 /* Calculate temporary vectorial force */
2109 tx = _mm_mul_ps(fscal,dx22);
2110 ty = _mm_mul_ps(fscal,dy22);
2111 tz = _mm_mul_ps(fscal,dz22);
2112
2113 /* Update vectorial force */
2114 fix2 = _mm_add_ps(fix2,tx);
2115 fiy2 = _mm_add_ps(fiy2,ty);
2116 fiz2 = _mm_add_ps(fiz2,tz);
2117
2118 fjx2 = _mm_add_ps(fjx2,tx);
2119 fjy2 = _mm_add_ps(fjy2,ty);
2120 fjz2 = _mm_add_ps(fjz2,tz);
2121
2122 }
2123
2124 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
2125 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
2126 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
2127 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
2128
2129 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
2130 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
2131
2132 /* Inner loop uses 277 flops */
2133 }
2134
2135 /* End of innermost loop */
2136
2137 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
2138 f+i_coord_offset,fshift+i_shift_offset);
2139
2140 /* Increment number of inner iterations */
2141 inneriter += j_index_end - j_index_start;
2142
2143 /* Outer loop uses 18 flops */
2144 }
2145
2146 /* Increment number of outer iterations */
2147 outeriter += nri;
2148
2149 /* Update outer/inner flops */
2150
2151 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_F,outeriter*18 + inneriter*277)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_F] += outeriter*18 + inneriter
*277
;
2152}