2 * Note: this file was generated by the Gromacs avx_128_fma_single kernel generator.
4 * This source code is part of
8 * Copyright (c) 2001-2012, The GROMACS Development Team
10 * Gromacs is a library for molecular simulation and trajectory analysis,
11 * written by Erik Lindahl, David van der Spoel, Berk Hess, and others - for
12 * a full list of developers and information, check out http://www.gromacs.org
14 * This program is free software; you can redistribute it and/or modify it under
15 * the terms of the GNU Lesser General Public License as published by the Free
16 * Software Foundation; either version 2 of the License, or (at your option) any
19 * To help fund GROMACS development, we humbly ask that you cite
20 * the papers people have written on it - you can find them on the website.
28 #include "../nb_kernel.h"
29 #include "types/simple.h"
33 #include "gmx_math_x86_avx_128_fma_single.h"
34 #include "kernelutil_x86_avx_128_fma_single.h"
37 * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwNone_GeomW3W3_VF_avx_128_fma_single
38 * Electrostatics interaction: ReactionField
39 * VdW interaction: None
40 * Geometry: Water3-Water3
41 * Calculate force/pot: PotentialAndForce
44 nb_kernel_ElecRF_VdwNone_GeomW3W3_VF_avx_128_fma_single
45 (t_nblist * gmx_restrict nlist,
46 rvec * gmx_restrict xx,
47 rvec * gmx_restrict ff,
48 t_forcerec * gmx_restrict fr,
49 t_mdatoms * gmx_restrict mdatoms,
50 nb_kernel_data_t * gmx_restrict kernel_data,
51 t_nrnb * gmx_restrict nrnb)
53 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
54 * just 0 for non-waters.
55 * Suffixes A,B,C,D refer to j loop unrolling done with AVX_128, e.g. for the four different
56 * jnr indices corresponding to data put in the four positions in the SIMD register.
58 int i_shift_offset,i_coord_offset,outeriter,inneriter;
59 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
60 int jnrA,jnrB,jnrC,jnrD;
61 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
62 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
63 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
65 real *shiftvec,*fshift,*x,*f;
66 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
68 __m128 fscal,rcutoff,rcutoff2,jidxall;
70 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
72 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
74 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
75 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
76 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
77 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
78 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
79 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
80 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
81 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
82 __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
83 __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
84 __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
85 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
86 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
87 __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
88 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
89 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
90 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
92 __m128 dummy_mask,cutoff_mask;
93 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
94 __m128 one = _mm_set1_ps(1.0);
95 __m128 two = _mm_set1_ps(2.0);
101 jindex = nlist->jindex;
103 shiftidx = nlist->shift;
105 shiftvec = fr->shift_vec[0];
106 fshift = fr->fshift[0];
107 facel = _mm_set1_ps(fr->epsfac);
108 charge = mdatoms->chargeA;
109 krf = _mm_set1_ps(fr->ic->k_rf);
110 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
111 crf = _mm_set1_ps(fr->ic->c_rf);
113 /* Setup water-specific parameters */
114 inr = nlist->iinr[0];
115 iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0]));
116 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
117 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
119 jq0 = _mm_set1_ps(charge[inr+0]);
120 jq1 = _mm_set1_ps(charge[inr+1]);
121 jq2 = _mm_set1_ps(charge[inr+2]);
122 qq00 = _mm_mul_ps(iq0,jq0);
123 qq01 = _mm_mul_ps(iq0,jq1);
124 qq02 = _mm_mul_ps(iq0,jq2);
125 qq10 = _mm_mul_ps(iq1,jq0);
126 qq11 = _mm_mul_ps(iq1,jq1);
127 qq12 = _mm_mul_ps(iq1,jq2);
128 qq20 = _mm_mul_ps(iq2,jq0);
129 qq21 = _mm_mul_ps(iq2,jq1);
130 qq22 = _mm_mul_ps(iq2,jq2);
132 /* Avoid stupid compiler warnings */
133 jnrA = jnrB = jnrC = jnrD = 0;
142 for(iidx=0;iidx<4*DIM;iidx++)
147 /* Start outer loop over neighborlists */
148 for(iidx=0; iidx<nri; iidx++)
150 /* Load shift vector for this list */
151 i_shift_offset = DIM*shiftidx[iidx];
153 /* Load limits for loop over neighbors */
154 j_index_start = jindex[iidx];
155 j_index_end = jindex[iidx+1];
157 /* Get outer coordinate index */
159 i_coord_offset = DIM*inr;
161 /* Load i particle coords and add shift vector */
162 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
163 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
165 fix0 = _mm_setzero_ps();
166 fiy0 = _mm_setzero_ps();
167 fiz0 = _mm_setzero_ps();
168 fix1 = _mm_setzero_ps();
169 fiy1 = _mm_setzero_ps();
170 fiz1 = _mm_setzero_ps();
171 fix2 = _mm_setzero_ps();
172 fiy2 = _mm_setzero_ps();
173 fiz2 = _mm_setzero_ps();
175 /* Reset potential sums */
176 velecsum = _mm_setzero_ps();
178 /* Start inner kernel loop */
179 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
182 /* Get j neighbor index, and coordinate index */
187 j_coord_offsetA = DIM*jnrA;
188 j_coord_offsetB = DIM*jnrB;
189 j_coord_offsetC = DIM*jnrC;
190 j_coord_offsetD = DIM*jnrD;
192 /* load j atom coordinates */
193 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
194 x+j_coord_offsetC,x+j_coord_offsetD,
195 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
197 /* Calculate displacement vector */
198 dx00 = _mm_sub_ps(ix0,jx0);
199 dy00 = _mm_sub_ps(iy0,jy0);
200 dz00 = _mm_sub_ps(iz0,jz0);
201 dx01 = _mm_sub_ps(ix0,jx1);
202 dy01 = _mm_sub_ps(iy0,jy1);
203 dz01 = _mm_sub_ps(iz0,jz1);
204 dx02 = _mm_sub_ps(ix0,jx2);
205 dy02 = _mm_sub_ps(iy0,jy2);
206 dz02 = _mm_sub_ps(iz0,jz2);
207 dx10 = _mm_sub_ps(ix1,jx0);
208 dy10 = _mm_sub_ps(iy1,jy0);
209 dz10 = _mm_sub_ps(iz1,jz0);
210 dx11 = _mm_sub_ps(ix1,jx1);
211 dy11 = _mm_sub_ps(iy1,jy1);
212 dz11 = _mm_sub_ps(iz1,jz1);
213 dx12 = _mm_sub_ps(ix1,jx2);
214 dy12 = _mm_sub_ps(iy1,jy2);
215 dz12 = _mm_sub_ps(iz1,jz2);
216 dx20 = _mm_sub_ps(ix2,jx0);
217 dy20 = _mm_sub_ps(iy2,jy0);
218 dz20 = _mm_sub_ps(iz2,jz0);
219 dx21 = _mm_sub_ps(ix2,jx1);
220 dy21 = _mm_sub_ps(iy2,jy1);
221 dz21 = _mm_sub_ps(iz2,jz1);
222 dx22 = _mm_sub_ps(ix2,jx2);
223 dy22 = _mm_sub_ps(iy2,jy2);
224 dz22 = _mm_sub_ps(iz2,jz2);
226 /* Calculate squared distance and things based on it */
227 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
228 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
229 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
230 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
231 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
232 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
233 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
234 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
235 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
237 rinv00 = gmx_mm_invsqrt_ps(rsq00);
238 rinv01 = gmx_mm_invsqrt_ps(rsq01);
239 rinv02 = gmx_mm_invsqrt_ps(rsq02);
240 rinv10 = gmx_mm_invsqrt_ps(rsq10);
241 rinv11 = gmx_mm_invsqrt_ps(rsq11);
242 rinv12 = gmx_mm_invsqrt_ps(rsq12);
243 rinv20 = gmx_mm_invsqrt_ps(rsq20);
244 rinv21 = gmx_mm_invsqrt_ps(rsq21);
245 rinv22 = gmx_mm_invsqrt_ps(rsq22);
247 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
248 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
249 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
250 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
251 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
252 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
253 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
254 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
255 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
257 fjx0 = _mm_setzero_ps();
258 fjy0 = _mm_setzero_ps();
259 fjz0 = _mm_setzero_ps();
260 fjx1 = _mm_setzero_ps();
261 fjy1 = _mm_setzero_ps();
262 fjz1 = _mm_setzero_ps();
263 fjx2 = _mm_setzero_ps();
264 fjy2 = _mm_setzero_ps();
265 fjz2 = _mm_setzero_ps();
267 /**************************
268 * CALCULATE INTERACTIONS *
269 **************************/
271 /* REACTION-FIELD ELECTROSTATICS */
272 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_macc_ps(krf,rsq00,rinv00),crf));
273 felec = _mm_mul_ps(qq00,_mm_msub_ps(rinv00,rinvsq00,krf2));
275 /* Update potential sum for this i atom from the interaction with this j atom. */
276 velecsum = _mm_add_ps(velecsum,velec);
280 /* Update vectorial force */
281 fix0 = _mm_macc_ps(dx00,fscal,fix0);
282 fiy0 = _mm_macc_ps(dy00,fscal,fiy0);
283 fiz0 = _mm_macc_ps(dz00,fscal,fiz0);
285 fjx0 = _mm_macc_ps(dx00,fscal,fjx0);
286 fjy0 = _mm_macc_ps(dy00,fscal,fjy0);
287 fjz0 = _mm_macc_ps(dz00,fscal,fjz0);
289 /**************************
290 * CALCULATE INTERACTIONS *
291 **************************/
293 /* REACTION-FIELD ELECTROSTATICS */
294 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_macc_ps(krf,rsq01,rinv01),crf));
295 felec = _mm_mul_ps(qq01,_mm_msub_ps(rinv01,rinvsq01,krf2));
297 /* Update potential sum for this i atom from the interaction with this j atom. */
298 velecsum = _mm_add_ps(velecsum,velec);
302 /* Update vectorial force */
303 fix0 = _mm_macc_ps(dx01,fscal,fix0);
304 fiy0 = _mm_macc_ps(dy01,fscal,fiy0);
305 fiz0 = _mm_macc_ps(dz01,fscal,fiz0);
307 fjx1 = _mm_macc_ps(dx01,fscal,fjx1);
308 fjy1 = _mm_macc_ps(dy01,fscal,fjy1);
309 fjz1 = _mm_macc_ps(dz01,fscal,fjz1);
311 /**************************
312 * CALCULATE INTERACTIONS *
313 **************************/
315 /* REACTION-FIELD ELECTROSTATICS */
316 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_macc_ps(krf,rsq02,rinv02),crf));
317 felec = _mm_mul_ps(qq02,_mm_msub_ps(rinv02,rinvsq02,krf2));
319 /* Update potential sum for this i atom from the interaction with this j atom. */
320 velecsum = _mm_add_ps(velecsum,velec);
324 /* Update vectorial force */
325 fix0 = _mm_macc_ps(dx02,fscal,fix0);
326 fiy0 = _mm_macc_ps(dy02,fscal,fiy0);
327 fiz0 = _mm_macc_ps(dz02,fscal,fiz0);
329 fjx2 = _mm_macc_ps(dx02,fscal,fjx2);
330 fjy2 = _mm_macc_ps(dy02,fscal,fjy2);
331 fjz2 = _mm_macc_ps(dz02,fscal,fjz2);
333 /**************************
334 * CALCULATE INTERACTIONS *
335 **************************/
337 /* REACTION-FIELD ELECTROSTATICS */
338 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_macc_ps(krf,rsq10,rinv10),crf));
339 felec = _mm_mul_ps(qq10,_mm_msub_ps(rinv10,rinvsq10,krf2));
341 /* Update potential sum for this i atom from the interaction with this j atom. */
342 velecsum = _mm_add_ps(velecsum,velec);
346 /* Update vectorial force */
347 fix1 = _mm_macc_ps(dx10,fscal,fix1);
348 fiy1 = _mm_macc_ps(dy10,fscal,fiy1);
349 fiz1 = _mm_macc_ps(dz10,fscal,fiz1);
351 fjx0 = _mm_macc_ps(dx10,fscal,fjx0);
352 fjy0 = _mm_macc_ps(dy10,fscal,fjy0);
353 fjz0 = _mm_macc_ps(dz10,fscal,fjz0);
355 /**************************
356 * CALCULATE INTERACTIONS *
357 **************************/
359 /* REACTION-FIELD ELECTROSTATICS */
360 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_macc_ps(krf,rsq11,rinv11),crf));
361 felec = _mm_mul_ps(qq11,_mm_msub_ps(rinv11,rinvsq11,krf2));
363 /* Update potential sum for this i atom from the interaction with this j atom. */
364 velecsum = _mm_add_ps(velecsum,velec);
368 /* Update vectorial force */
369 fix1 = _mm_macc_ps(dx11,fscal,fix1);
370 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
371 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
373 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
374 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
375 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
377 /**************************
378 * CALCULATE INTERACTIONS *
379 **************************/
381 /* REACTION-FIELD ELECTROSTATICS */
382 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_macc_ps(krf,rsq12,rinv12),crf));
383 felec = _mm_mul_ps(qq12,_mm_msub_ps(rinv12,rinvsq12,krf2));
385 /* Update potential sum for this i atom from the interaction with this j atom. */
386 velecsum = _mm_add_ps(velecsum,velec);
390 /* Update vectorial force */
391 fix1 = _mm_macc_ps(dx12,fscal,fix1);
392 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
393 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
395 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
396 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
397 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
399 /**************************
400 * CALCULATE INTERACTIONS *
401 **************************/
403 /* REACTION-FIELD ELECTROSTATICS */
404 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_macc_ps(krf,rsq20,rinv20),crf));
405 felec = _mm_mul_ps(qq20,_mm_msub_ps(rinv20,rinvsq20,krf2));
407 /* Update potential sum for this i atom from the interaction with this j atom. */
408 velecsum = _mm_add_ps(velecsum,velec);
412 /* Update vectorial force */
413 fix2 = _mm_macc_ps(dx20,fscal,fix2);
414 fiy2 = _mm_macc_ps(dy20,fscal,fiy2);
415 fiz2 = _mm_macc_ps(dz20,fscal,fiz2);
417 fjx0 = _mm_macc_ps(dx20,fscal,fjx0);
418 fjy0 = _mm_macc_ps(dy20,fscal,fjy0);
419 fjz0 = _mm_macc_ps(dz20,fscal,fjz0);
421 /**************************
422 * CALCULATE INTERACTIONS *
423 **************************/
425 /* REACTION-FIELD ELECTROSTATICS */
426 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_macc_ps(krf,rsq21,rinv21),crf));
427 felec = _mm_mul_ps(qq21,_mm_msub_ps(rinv21,rinvsq21,krf2));
429 /* Update potential sum for this i atom from the interaction with this j atom. */
430 velecsum = _mm_add_ps(velecsum,velec);
434 /* Update vectorial force */
435 fix2 = _mm_macc_ps(dx21,fscal,fix2);
436 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
437 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
439 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
440 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
441 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
443 /**************************
444 * CALCULATE INTERACTIONS *
445 **************************/
447 /* REACTION-FIELD ELECTROSTATICS */
448 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_macc_ps(krf,rsq22,rinv22),crf));
449 felec = _mm_mul_ps(qq22,_mm_msub_ps(rinv22,rinvsq22,krf2));
451 /* Update potential sum for this i atom from the interaction with this j atom. */
452 velecsum = _mm_add_ps(velecsum,velec);
456 /* Update vectorial force */
457 fix2 = _mm_macc_ps(dx22,fscal,fix2);
458 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
459 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
461 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
462 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
463 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
465 fjptrA = f+j_coord_offsetA;
466 fjptrB = f+j_coord_offsetB;
467 fjptrC = f+j_coord_offsetC;
468 fjptrD = f+j_coord_offsetD;
470 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
471 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
473 /* Inner loop uses 315 flops */
479 /* Get j neighbor index, and coordinate index */
480 jnrlistA = jjnr[jidx];
481 jnrlistB = jjnr[jidx+1];
482 jnrlistC = jjnr[jidx+2];
483 jnrlistD = jjnr[jidx+3];
484 /* Sign of each element will be negative for non-real atoms.
485 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
486 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
488 dummy_mask = gmx_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
489 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
490 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
491 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
492 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
493 j_coord_offsetA = DIM*jnrA;
494 j_coord_offsetB = DIM*jnrB;
495 j_coord_offsetC = DIM*jnrC;
496 j_coord_offsetD = DIM*jnrD;
498 /* load j atom coordinates */
499 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
500 x+j_coord_offsetC,x+j_coord_offsetD,
501 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
503 /* Calculate displacement vector */
504 dx00 = _mm_sub_ps(ix0,jx0);
505 dy00 = _mm_sub_ps(iy0,jy0);
506 dz00 = _mm_sub_ps(iz0,jz0);
507 dx01 = _mm_sub_ps(ix0,jx1);
508 dy01 = _mm_sub_ps(iy0,jy1);
509 dz01 = _mm_sub_ps(iz0,jz1);
510 dx02 = _mm_sub_ps(ix0,jx2);
511 dy02 = _mm_sub_ps(iy0,jy2);
512 dz02 = _mm_sub_ps(iz0,jz2);
513 dx10 = _mm_sub_ps(ix1,jx0);
514 dy10 = _mm_sub_ps(iy1,jy0);
515 dz10 = _mm_sub_ps(iz1,jz0);
516 dx11 = _mm_sub_ps(ix1,jx1);
517 dy11 = _mm_sub_ps(iy1,jy1);
518 dz11 = _mm_sub_ps(iz1,jz1);
519 dx12 = _mm_sub_ps(ix1,jx2);
520 dy12 = _mm_sub_ps(iy1,jy2);
521 dz12 = _mm_sub_ps(iz1,jz2);
522 dx20 = _mm_sub_ps(ix2,jx0);
523 dy20 = _mm_sub_ps(iy2,jy0);
524 dz20 = _mm_sub_ps(iz2,jz0);
525 dx21 = _mm_sub_ps(ix2,jx1);
526 dy21 = _mm_sub_ps(iy2,jy1);
527 dz21 = _mm_sub_ps(iz2,jz1);
528 dx22 = _mm_sub_ps(ix2,jx2);
529 dy22 = _mm_sub_ps(iy2,jy2);
530 dz22 = _mm_sub_ps(iz2,jz2);
532 /* Calculate squared distance and things based on it */
533 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
534 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
535 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
536 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
537 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
538 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
539 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
540 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
541 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
543 rinv00 = gmx_mm_invsqrt_ps(rsq00);
544 rinv01 = gmx_mm_invsqrt_ps(rsq01);
545 rinv02 = gmx_mm_invsqrt_ps(rsq02);
546 rinv10 = gmx_mm_invsqrt_ps(rsq10);
547 rinv11 = gmx_mm_invsqrt_ps(rsq11);
548 rinv12 = gmx_mm_invsqrt_ps(rsq12);
549 rinv20 = gmx_mm_invsqrt_ps(rsq20);
550 rinv21 = gmx_mm_invsqrt_ps(rsq21);
551 rinv22 = gmx_mm_invsqrt_ps(rsq22);
553 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
554 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
555 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
556 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
557 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
558 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
559 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
560 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
561 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
563 fjx0 = _mm_setzero_ps();
564 fjy0 = _mm_setzero_ps();
565 fjz0 = _mm_setzero_ps();
566 fjx1 = _mm_setzero_ps();
567 fjy1 = _mm_setzero_ps();
568 fjz1 = _mm_setzero_ps();
569 fjx2 = _mm_setzero_ps();
570 fjy2 = _mm_setzero_ps();
571 fjz2 = _mm_setzero_ps();
573 /**************************
574 * CALCULATE INTERACTIONS *
575 **************************/
577 /* REACTION-FIELD ELECTROSTATICS */
578 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_macc_ps(krf,rsq00,rinv00),crf));
579 felec = _mm_mul_ps(qq00,_mm_msub_ps(rinv00,rinvsq00,krf2));
581 /* Update potential sum for this i atom from the interaction with this j atom. */
582 velec = _mm_andnot_ps(dummy_mask,velec);
583 velecsum = _mm_add_ps(velecsum,velec);
587 fscal = _mm_andnot_ps(dummy_mask,fscal);
589 /* Update vectorial force */
590 fix0 = _mm_macc_ps(dx00,fscal,fix0);
591 fiy0 = _mm_macc_ps(dy00,fscal,fiy0);
592 fiz0 = _mm_macc_ps(dz00,fscal,fiz0);
594 fjx0 = _mm_macc_ps(dx00,fscal,fjx0);
595 fjy0 = _mm_macc_ps(dy00,fscal,fjy0);
596 fjz0 = _mm_macc_ps(dz00,fscal,fjz0);
598 /**************************
599 * CALCULATE INTERACTIONS *
600 **************************/
602 /* REACTION-FIELD ELECTROSTATICS */
603 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_macc_ps(krf,rsq01,rinv01),crf));
604 felec = _mm_mul_ps(qq01,_mm_msub_ps(rinv01,rinvsq01,krf2));
606 /* Update potential sum for this i atom from the interaction with this j atom. */
607 velec = _mm_andnot_ps(dummy_mask,velec);
608 velecsum = _mm_add_ps(velecsum,velec);
612 fscal = _mm_andnot_ps(dummy_mask,fscal);
614 /* Update vectorial force */
615 fix0 = _mm_macc_ps(dx01,fscal,fix0);
616 fiy0 = _mm_macc_ps(dy01,fscal,fiy0);
617 fiz0 = _mm_macc_ps(dz01,fscal,fiz0);
619 fjx1 = _mm_macc_ps(dx01,fscal,fjx1);
620 fjy1 = _mm_macc_ps(dy01,fscal,fjy1);
621 fjz1 = _mm_macc_ps(dz01,fscal,fjz1);
623 /**************************
624 * CALCULATE INTERACTIONS *
625 **************************/
627 /* REACTION-FIELD ELECTROSTATICS */
628 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_macc_ps(krf,rsq02,rinv02),crf));
629 felec = _mm_mul_ps(qq02,_mm_msub_ps(rinv02,rinvsq02,krf2));
631 /* Update potential sum for this i atom from the interaction with this j atom. */
632 velec = _mm_andnot_ps(dummy_mask,velec);
633 velecsum = _mm_add_ps(velecsum,velec);
637 fscal = _mm_andnot_ps(dummy_mask,fscal);
639 /* Update vectorial force */
640 fix0 = _mm_macc_ps(dx02,fscal,fix0);
641 fiy0 = _mm_macc_ps(dy02,fscal,fiy0);
642 fiz0 = _mm_macc_ps(dz02,fscal,fiz0);
644 fjx2 = _mm_macc_ps(dx02,fscal,fjx2);
645 fjy2 = _mm_macc_ps(dy02,fscal,fjy2);
646 fjz2 = _mm_macc_ps(dz02,fscal,fjz2);
648 /**************************
649 * CALCULATE INTERACTIONS *
650 **************************/
652 /* REACTION-FIELD ELECTROSTATICS */
653 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_macc_ps(krf,rsq10,rinv10),crf));
654 felec = _mm_mul_ps(qq10,_mm_msub_ps(rinv10,rinvsq10,krf2));
656 /* Update potential sum for this i atom from the interaction with this j atom. */
657 velec = _mm_andnot_ps(dummy_mask,velec);
658 velecsum = _mm_add_ps(velecsum,velec);
662 fscal = _mm_andnot_ps(dummy_mask,fscal);
664 /* Update vectorial force */
665 fix1 = _mm_macc_ps(dx10,fscal,fix1);
666 fiy1 = _mm_macc_ps(dy10,fscal,fiy1);
667 fiz1 = _mm_macc_ps(dz10,fscal,fiz1);
669 fjx0 = _mm_macc_ps(dx10,fscal,fjx0);
670 fjy0 = _mm_macc_ps(dy10,fscal,fjy0);
671 fjz0 = _mm_macc_ps(dz10,fscal,fjz0);
673 /**************************
674 * CALCULATE INTERACTIONS *
675 **************************/
677 /* REACTION-FIELD ELECTROSTATICS */
678 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_macc_ps(krf,rsq11,rinv11),crf));
679 felec = _mm_mul_ps(qq11,_mm_msub_ps(rinv11,rinvsq11,krf2));
681 /* Update potential sum for this i atom from the interaction with this j atom. */
682 velec = _mm_andnot_ps(dummy_mask,velec);
683 velecsum = _mm_add_ps(velecsum,velec);
687 fscal = _mm_andnot_ps(dummy_mask,fscal);
689 /* Update vectorial force */
690 fix1 = _mm_macc_ps(dx11,fscal,fix1);
691 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
692 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
694 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
695 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
696 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
698 /**************************
699 * CALCULATE INTERACTIONS *
700 **************************/
702 /* REACTION-FIELD ELECTROSTATICS */
703 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_macc_ps(krf,rsq12,rinv12),crf));
704 felec = _mm_mul_ps(qq12,_mm_msub_ps(rinv12,rinvsq12,krf2));
706 /* Update potential sum for this i atom from the interaction with this j atom. */
707 velec = _mm_andnot_ps(dummy_mask,velec);
708 velecsum = _mm_add_ps(velecsum,velec);
712 fscal = _mm_andnot_ps(dummy_mask,fscal);
714 /* Update vectorial force */
715 fix1 = _mm_macc_ps(dx12,fscal,fix1);
716 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
717 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
719 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
720 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
721 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
723 /**************************
724 * CALCULATE INTERACTIONS *
725 **************************/
727 /* REACTION-FIELD ELECTROSTATICS */
728 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_macc_ps(krf,rsq20,rinv20),crf));
729 felec = _mm_mul_ps(qq20,_mm_msub_ps(rinv20,rinvsq20,krf2));
731 /* Update potential sum for this i atom from the interaction with this j atom. */
732 velec = _mm_andnot_ps(dummy_mask,velec);
733 velecsum = _mm_add_ps(velecsum,velec);
737 fscal = _mm_andnot_ps(dummy_mask,fscal);
739 /* Update vectorial force */
740 fix2 = _mm_macc_ps(dx20,fscal,fix2);
741 fiy2 = _mm_macc_ps(dy20,fscal,fiy2);
742 fiz2 = _mm_macc_ps(dz20,fscal,fiz2);
744 fjx0 = _mm_macc_ps(dx20,fscal,fjx0);
745 fjy0 = _mm_macc_ps(dy20,fscal,fjy0);
746 fjz0 = _mm_macc_ps(dz20,fscal,fjz0);
748 /**************************
749 * CALCULATE INTERACTIONS *
750 **************************/
752 /* REACTION-FIELD ELECTROSTATICS */
753 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_macc_ps(krf,rsq21,rinv21),crf));
754 felec = _mm_mul_ps(qq21,_mm_msub_ps(rinv21,rinvsq21,krf2));
756 /* Update potential sum for this i atom from the interaction with this j atom. */
757 velec = _mm_andnot_ps(dummy_mask,velec);
758 velecsum = _mm_add_ps(velecsum,velec);
762 fscal = _mm_andnot_ps(dummy_mask,fscal);
764 /* Update vectorial force */
765 fix2 = _mm_macc_ps(dx21,fscal,fix2);
766 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
767 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
769 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
770 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
771 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
773 /**************************
774 * CALCULATE INTERACTIONS *
775 **************************/
777 /* REACTION-FIELD ELECTROSTATICS */
778 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_macc_ps(krf,rsq22,rinv22),crf));
779 felec = _mm_mul_ps(qq22,_mm_msub_ps(rinv22,rinvsq22,krf2));
781 /* Update potential sum for this i atom from the interaction with this j atom. */
782 velec = _mm_andnot_ps(dummy_mask,velec);
783 velecsum = _mm_add_ps(velecsum,velec);
787 fscal = _mm_andnot_ps(dummy_mask,fscal);
789 /* Update vectorial force */
790 fix2 = _mm_macc_ps(dx22,fscal,fix2);
791 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
792 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
794 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
795 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
796 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
798 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
799 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
800 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
801 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
803 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
804 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
806 /* Inner loop uses 315 flops */
809 /* End of innermost loop */
811 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
812 f+i_coord_offset,fshift+i_shift_offset);
815 /* Update potential energies */
816 gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid);
818 /* Increment number of inner iterations */
819 inneriter += j_index_end - j_index_start;
821 /* Outer loop uses 19 flops */
824 /* Increment number of outer iterations */
827 /* Update outer/inner flops */
829 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3W3_VF,outeriter*19 + inneriter*315);
832 * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwNone_GeomW3W3_F_avx_128_fma_single
833 * Electrostatics interaction: ReactionField
834 * VdW interaction: None
835 * Geometry: Water3-Water3
836 * Calculate force/pot: Force
839 nb_kernel_ElecRF_VdwNone_GeomW3W3_F_avx_128_fma_single
840 (t_nblist * gmx_restrict nlist,
841 rvec * gmx_restrict xx,
842 rvec * gmx_restrict ff,
843 t_forcerec * gmx_restrict fr,
844 t_mdatoms * gmx_restrict mdatoms,
845 nb_kernel_data_t * gmx_restrict kernel_data,
846 t_nrnb * gmx_restrict nrnb)
848 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
849 * just 0 for non-waters.
850 * Suffixes A,B,C,D refer to j loop unrolling done with AVX_128, e.g. for the four different
851 * jnr indices corresponding to data put in the four positions in the SIMD register.
853 int i_shift_offset,i_coord_offset,outeriter,inneriter;
854 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
855 int jnrA,jnrB,jnrC,jnrD;
856 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
857 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
858 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
860 real *shiftvec,*fshift,*x,*f;
861 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
863 __m128 fscal,rcutoff,rcutoff2,jidxall;
865 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
867 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
869 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
870 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
871 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
872 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
873 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
874 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
875 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
876 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
877 __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
878 __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
879 __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
880 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
881 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
882 __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
883 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
884 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
885 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
887 __m128 dummy_mask,cutoff_mask;
888 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
889 __m128 one = _mm_set1_ps(1.0);
890 __m128 two = _mm_set1_ps(2.0);
896 jindex = nlist->jindex;
898 shiftidx = nlist->shift;
900 shiftvec = fr->shift_vec[0];
901 fshift = fr->fshift[0];
902 facel = _mm_set1_ps(fr->epsfac);
903 charge = mdatoms->chargeA;
904 krf = _mm_set1_ps(fr->ic->k_rf);
905 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
906 crf = _mm_set1_ps(fr->ic->c_rf);
908 /* Setup water-specific parameters */
909 inr = nlist->iinr[0];
910 iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0]));
911 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
912 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
914 jq0 = _mm_set1_ps(charge[inr+0]);
915 jq1 = _mm_set1_ps(charge[inr+1]);
916 jq2 = _mm_set1_ps(charge[inr+2]);
917 qq00 = _mm_mul_ps(iq0,jq0);
918 qq01 = _mm_mul_ps(iq0,jq1);
919 qq02 = _mm_mul_ps(iq0,jq2);
920 qq10 = _mm_mul_ps(iq1,jq0);
921 qq11 = _mm_mul_ps(iq1,jq1);
922 qq12 = _mm_mul_ps(iq1,jq2);
923 qq20 = _mm_mul_ps(iq2,jq0);
924 qq21 = _mm_mul_ps(iq2,jq1);
925 qq22 = _mm_mul_ps(iq2,jq2);
927 /* Avoid stupid compiler warnings */
928 jnrA = jnrB = jnrC = jnrD = 0;
937 for(iidx=0;iidx<4*DIM;iidx++)
942 /* Start outer loop over neighborlists */
943 for(iidx=0; iidx<nri; iidx++)
945 /* Load shift vector for this list */
946 i_shift_offset = DIM*shiftidx[iidx];
948 /* Load limits for loop over neighbors */
949 j_index_start = jindex[iidx];
950 j_index_end = jindex[iidx+1];
952 /* Get outer coordinate index */
954 i_coord_offset = DIM*inr;
956 /* Load i particle coords and add shift vector */
957 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
958 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
960 fix0 = _mm_setzero_ps();
961 fiy0 = _mm_setzero_ps();
962 fiz0 = _mm_setzero_ps();
963 fix1 = _mm_setzero_ps();
964 fiy1 = _mm_setzero_ps();
965 fiz1 = _mm_setzero_ps();
966 fix2 = _mm_setzero_ps();
967 fiy2 = _mm_setzero_ps();
968 fiz2 = _mm_setzero_ps();
970 /* Start inner kernel loop */
971 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
974 /* Get j neighbor index, and coordinate index */
979 j_coord_offsetA = DIM*jnrA;
980 j_coord_offsetB = DIM*jnrB;
981 j_coord_offsetC = DIM*jnrC;
982 j_coord_offsetD = DIM*jnrD;
984 /* load j atom coordinates */
985 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
986 x+j_coord_offsetC,x+j_coord_offsetD,
987 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
989 /* Calculate displacement vector */
990 dx00 = _mm_sub_ps(ix0,jx0);
991 dy00 = _mm_sub_ps(iy0,jy0);
992 dz00 = _mm_sub_ps(iz0,jz0);
993 dx01 = _mm_sub_ps(ix0,jx1);
994 dy01 = _mm_sub_ps(iy0,jy1);
995 dz01 = _mm_sub_ps(iz0,jz1);
996 dx02 = _mm_sub_ps(ix0,jx2);
997 dy02 = _mm_sub_ps(iy0,jy2);
998 dz02 = _mm_sub_ps(iz0,jz2);
999 dx10 = _mm_sub_ps(ix1,jx0);
1000 dy10 = _mm_sub_ps(iy1,jy0);
1001 dz10 = _mm_sub_ps(iz1,jz0);
1002 dx11 = _mm_sub_ps(ix1,jx1);
1003 dy11 = _mm_sub_ps(iy1,jy1);
1004 dz11 = _mm_sub_ps(iz1,jz1);
1005 dx12 = _mm_sub_ps(ix1,jx2);
1006 dy12 = _mm_sub_ps(iy1,jy2);
1007 dz12 = _mm_sub_ps(iz1,jz2);
1008 dx20 = _mm_sub_ps(ix2,jx0);
1009 dy20 = _mm_sub_ps(iy2,jy0);
1010 dz20 = _mm_sub_ps(iz2,jz0);
1011 dx21 = _mm_sub_ps(ix2,jx1);
1012 dy21 = _mm_sub_ps(iy2,jy1);
1013 dz21 = _mm_sub_ps(iz2,jz1);
1014 dx22 = _mm_sub_ps(ix2,jx2);
1015 dy22 = _mm_sub_ps(iy2,jy2);
1016 dz22 = _mm_sub_ps(iz2,jz2);
1018 /* Calculate squared distance and things based on it */
1019 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1020 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1021 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1022 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1023 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1024 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1025 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1026 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1027 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1029 rinv00 = gmx_mm_invsqrt_ps(rsq00);
1030 rinv01 = gmx_mm_invsqrt_ps(rsq01);
1031 rinv02 = gmx_mm_invsqrt_ps(rsq02);
1032 rinv10 = gmx_mm_invsqrt_ps(rsq10);
1033 rinv11 = gmx_mm_invsqrt_ps(rsq11);
1034 rinv12 = gmx_mm_invsqrt_ps(rsq12);
1035 rinv20 = gmx_mm_invsqrt_ps(rsq20);
1036 rinv21 = gmx_mm_invsqrt_ps(rsq21);
1037 rinv22 = gmx_mm_invsqrt_ps(rsq22);
1039 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1040 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1041 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1042 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1043 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1044 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1045 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1046 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1047 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1049 fjx0 = _mm_setzero_ps();
1050 fjy0 = _mm_setzero_ps();
1051 fjz0 = _mm_setzero_ps();
1052 fjx1 = _mm_setzero_ps();
1053 fjy1 = _mm_setzero_ps();
1054 fjz1 = _mm_setzero_ps();
1055 fjx2 = _mm_setzero_ps();
1056 fjy2 = _mm_setzero_ps();
1057 fjz2 = _mm_setzero_ps();
1059 /**************************
1060 * CALCULATE INTERACTIONS *
1061 **************************/
1063 /* REACTION-FIELD ELECTROSTATICS */
1064 felec = _mm_mul_ps(qq00,_mm_msub_ps(rinv00,rinvsq00,krf2));
1068 /* Update vectorial force */
1069 fix0 = _mm_macc_ps(dx00,fscal,fix0);
1070 fiy0 = _mm_macc_ps(dy00,fscal,fiy0);
1071 fiz0 = _mm_macc_ps(dz00,fscal,fiz0);
1073 fjx0 = _mm_macc_ps(dx00,fscal,fjx0);
1074 fjy0 = _mm_macc_ps(dy00,fscal,fjy0);
1075 fjz0 = _mm_macc_ps(dz00,fscal,fjz0);
1077 /**************************
1078 * CALCULATE INTERACTIONS *
1079 **************************/
1081 /* REACTION-FIELD ELECTROSTATICS */
1082 felec = _mm_mul_ps(qq01,_mm_msub_ps(rinv01,rinvsq01,krf2));
1086 /* Update vectorial force */
1087 fix0 = _mm_macc_ps(dx01,fscal,fix0);
1088 fiy0 = _mm_macc_ps(dy01,fscal,fiy0);
1089 fiz0 = _mm_macc_ps(dz01,fscal,fiz0);
1091 fjx1 = _mm_macc_ps(dx01,fscal,fjx1);
1092 fjy1 = _mm_macc_ps(dy01,fscal,fjy1);
1093 fjz1 = _mm_macc_ps(dz01,fscal,fjz1);
1095 /**************************
1096 * CALCULATE INTERACTIONS *
1097 **************************/
1099 /* REACTION-FIELD ELECTROSTATICS */
1100 felec = _mm_mul_ps(qq02,_mm_msub_ps(rinv02,rinvsq02,krf2));
1104 /* Update vectorial force */
1105 fix0 = _mm_macc_ps(dx02,fscal,fix0);
1106 fiy0 = _mm_macc_ps(dy02,fscal,fiy0);
1107 fiz0 = _mm_macc_ps(dz02,fscal,fiz0);
1109 fjx2 = _mm_macc_ps(dx02,fscal,fjx2);
1110 fjy2 = _mm_macc_ps(dy02,fscal,fjy2);
1111 fjz2 = _mm_macc_ps(dz02,fscal,fjz2);
1113 /**************************
1114 * CALCULATE INTERACTIONS *
1115 **************************/
1117 /* REACTION-FIELD ELECTROSTATICS */
1118 felec = _mm_mul_ps(qq10,_mm_msub_ps(rinv10,rinvsq10,krf2));
1122 /* Update vectorial force */
1123 fix1 = _mm_macc_ps(dx10,fscal,fix1);
1124 fiy1 = _mm_macc_ps(dy10,fscal,fiy1);
1125 fiz1 = _mm_macc_ps(dz10,fscal,fiz1);
1127 fjx0 = _mm_macc_ps(dx10,fscal,fjx0);
1128 fjy0 = _mm_macc_ps(dy10,fscal,fjy0);
1129 fjz0 = _mm_macc_ps(dz10,fscal,fjz0);
1131 /**************************
1132 * CALCULATE INTERACTIONS *
1133 **************************/
1135 /* REACTION-FIELD ELECTROSTATICS */
1136 felec = _mm_mul_ps(qq11,_mm_msub_ps(rinv11,rinvsq11,krf2));
1140 /* Update vectorial force */
1141 fix1 = _mm_macc_ps(dx11,fscal,fix1);
1142 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
1143 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
1145 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
1146 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
1147 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
1149 /**************************
1150 * CALCULATE INTERACTIONS *
1151 **************************/
1153 /* REACTION-FIELD ELECTROSTATICS */
1154 felec = _mm_mul_ps(qq12,_mm_msub_ps(rinv12,rinvsq12,krf2));
1158 /* Update vectorial force */
1159 fix1 = _mm_macc_ps(dx12,fscal,fix1);
1160 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
1161 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
1163 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
1164 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
1165 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
1167 /**************************
1168 * CALCULATE INTERACTIONS *
1169 **************************/
1171 /* REACTION-FIELD ELECTROSTATICS */
1172 felec = _mm_mul_ps(qq20,_mm_msub_ps(rinv20,rinvsq20,krf2));
1176 /* Update vectorial force */
1177 fix2 = _mm_macc_ps(dx20,fscal,fix2);
1178 fiy2 = _mm_macc_ps(dy20,fscal,fiy2);
1179 fiz2 = _mm_macc_ps(dz20,fscal,fiz2);
1181 fjx0 = _mm_macc_ps(dx20,fscal,fjx0);
1182 fjy0 = _mm_macc_ps(dy20,fscal,fjy0);
1183 fjz0 = _mm_macc_ps(dz20,fscal,fjz0);
1185 /**************************
1186 * CALCULATE INTERACTIONS *
1187 **************************/
1189 /* REACTION-FIELD ELECTROSTATICS */
1190 felec = _mm_mul_ps(qq21,_mm_msub_ps(rinv21,rinvsq21,krf2));
1194 /* Update vectorial force */
1195 fix2 = _mm_macc_ps(dx21,fscal,fix2);
1196 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
1197 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
1199 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
1200 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
1201 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
1203 /**************************
1204 * CALCULATE INTERACTIONS *
1205 **************************/
1207 /* REACTION-FIELD ELECTROSTATICS */
1208 felec = _mm_mul_ps(qq22,_mm_msub_ps(rinv22,rinvsq22,krf2));
1212 /* Update vectorial force */
1213 fix2 = _mm_macc_ps(dx22,fscal,fix2);
1214 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
1215 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
1217 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
1218 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
1219 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
1221 fjptrA = f+j_coord_offsetA;
1222 fjptrB = f+j_coord_offsetB;
1223 fjptrC = f+j_coord_offsetC;
1224 fjptrD = f+j_coord_offsetD;
1226 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1227 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1229 /* Inner loop uses 270 flops */
1232 if(jidx<j_index_end)
1235 /* Get j neighbor index, and coordinate index */
1236 jnrlistA = jjnr[jidx];
1237 jnrlistB = jjnr[jidx+1];
1238 jnrlistC = jjnr[jidx+2];
1239 jnrlistD = jjnr[jidx+3];
1240 /* Sign of each element will be negative for non-real atoms.
1241 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
1242 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
1244 dummy_mask = gmx_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
1245 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
1246 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
1247 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
1248 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
1249 j_coord_offsetA = DIM*jnrA;
1250 j_coord_offsetB = DIM*jnrB;
1251 j_coord_offsetC = DIM*jnrC;
1252 j_coord_offsetD = DIM*jnrD;
1254 /* load j atom coordinates */
1255 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1256 x+j_coord_offsetC,x+j_coord_offsetD,
1257 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1259 /* Calculate displacement vector */
1260 dx00 = _mm_sub_ps(ix0,jx0);
1261 dy00 = _mm_sub_ps(iy0,jy0);
1262 dz00 = _mm_sub_ps(iz0,jz0);
1263 dx01 = _mm_sub_ps(ix0,jx1);
1264 dy01 = _mm_sub_ps(iy0,jy1);
1265 dz01 = _mm_sub_ps(iz0,jz1);
1266 dx02 = _mm_sub_ps(ix0,jx2);
1267 dy02 = _mm_sub_ps(iy0,jy2);
1268 dz02 = _mm_sub_ps(iz0,jz2);
1269 dx10 = _mm_sub_ps(ix1,jx0);
1270 dy10 = _mm_sub_ps(iy1,jy0);
1271 dz10 = _mm_sub_ps(iz1,jz0);
1272 dx11 = _mm_sub_ps(ix1,jx1);
1273 dy11 = _mm_sub_ps(iy1,jy1);
1274 dz11 = _mm_sub_ps(iz1,jz1);
1275 dx12 = _mm_sub_ps(ix1,jx2);
1276 dy12 = _mm_sub_ps(iy1,jy2);
1277 dz12 = _mm_sub_ps(iz1,jz2);
1278 dx20 = _mm_sub_ps(ix2,jx0);
1279 dy20 = _mm_sub_ps(iy2,jy0);
1280 dz20 = _mm_sub_ps(iz2,jz0);
1281 dx21 = _mm_sub_ps(ix2,jx1);
1282 dy21 = _mm_sub_ps(iy2,jy1);
1283 dz21 = _mm_sub_ps(iz2,jz1);
1284 dx22 = _mm_sub_ps(ix2,jx2);
1285 dy22 = _mm_sub_ps(iy2,jy2);
1286 dz22 = _mm_sub_ps(iz2,jz2);
1288 /* Calculate squared distance and things based on it */
1289 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1290 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1291 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1292 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1293 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1294 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1295 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1296 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1297 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1299 rinv00 = gmx_mm_invsqrt_ps(rsq00);
1300 rinv01 = gmx_mm_invsqrt_ps(rsq01);
1301 rinv02 = gmx_mm_invsqrt_ps(rsq02);
1302 rinv10 = gmx_mm_invsqrt_ps(rsq10);
1303 rinv11 = gmx_mm_invsqrt_ps(rsq11);
1304 rinv12 = gmx_mm_invsqrt_ps(rsq12);
1305 rinv20 = gmx_mm_invsqrt_ps(rsq20);
1306 rinv21 = gmx_mm_invsqrt_ps(rsq21);
1307 rinv22 = gmx_mm_invsqrt_ps(rsq22);
1309 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1310 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1311 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1312 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1313 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1314 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1315 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1316 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1317 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1319 fjx0 = _mm_setzero_ps();
1320 fjy0 = _mm_setzero_ps();
1321 fjz0 = _mm_setzero_ps();
1322 fjx1 = _mm_setzero_ps();
1323 fjy1 = _mm_setzero_ps();
1324 fjz1 = _mm_setzero_ps();
1325 fjx2 = _mm_setzero_ps();
1326 fjy2 = _mm_setzero_ps();
1327 fjz2 = _mm_setzero_ps();
1329 /**************************
1330 * CALCULATE INTERACTIONS *
1331 **************************/
1333 /* REACTION-FIELD ELECTROSTATICS */
1334 felec = _mm_mul_ps(qq00,_mm_msub_ps(rinv00,rinvsq00,krf2));
1338 fscal = _mm_andnot_ps(dummy_mask,fscal);
1340 /* Update vectorial force */
1341 fix0 = _mm_macc_ps(dx00,fscal,fix0);
1342 fiy0 = _mm_macc_ps(dy00,fscal,fiy0);
1343 fiz0 = _mm_macc_ps(dz00,fscal,fiz0);
1345 fjx0 = _mm_macc_ps(dx00,fscal,fjx0);
1346 fjy0 = _mm_macc_ps(dy00,fscal,fjy0);
1347 fjz0 = _mm_macc_ps(dz00,fscal,fjz0);
1349 /**************************
1350 * CALCULATE INTERACTIONS *
1351 **************************/
1353 /* REACTION-FIELD ELECTROSTATICS */
1354 felec = _mm_mul_ps(qq01,_mm_msub_ps(rinv01,rinvsq01,krf2));
1358 fscal = _mm_andnot_ps(dummy_mask,fscal);
1360 /* Update vectorial force */
1361 fix0 = _mm_macc_ps(dx01,fscal,fix0);
1362 fiy0 = _mm_macc_ps(dy01,fscal,fiy0);
1363 fiz0 = _mm_macc_ps(dz01,fscal,fiz0);
1365 fjx1 = _mm_macc_ps(dx01,fscal,fjx1);
1366 fjy1 = _mm_macc_ps(dy01,fscal,fjy1);
1367 fjz1 = _mm_macc_ps(dz01,fscal,fjz1);
1369 /**************************
1370 * CALCULATE INTERACTIONS *
1371 **************************/
1373 /* REACTION-FIELD ELECTROSTATICS */
1374 felec = _mm_mul_ps(qq02,_mm_msub_ps(rinv02,rinvsq02,krf2));
1378 fscal = _mm_andnot_ps(dummy_mask,fscal);
1380 /* Update vectorial force */
1381 fix0 = _mm_macc_ps(dx02,fscal,fix0);
1382 fiy0 = _mm_macc_ps(dy02,fscal,fiy0);
1383 fiz0 = _mm_macc_ps(dz02,fscal,fiz0);
1385 fjx2 = _mm_macc_ps(dx02,fscal,fjx2);
1386 fjy2 = _mm_macc_ps(dy02,fscal,fjy2);
1387 fjz2 = _mm_macc_ps(dz02,fscal,fjz2);
1389 /**************************
1390 * CALCULATE INTERACTIONS *
1391 **************************/
1393 /* REACTION-FIELD ELECTROSTATICS */
1394 felec = _mm_mul_ps(qq10,_mm_msub_ps(rinv10,rinvsq10,krf2));
1398 fscal = _mm_andnot_ps(dummy_mask,fscal);
1400 /* Update vectorial force */
1401 fix1 = _mm_macc_ps(dx10,fscal,fix1);
1402 fiy1 = _mm_macc_ps(dy10,fscal,fiy1);
1403 fiz1 = _mm_macc_ps(dz10,fscal,fiz1);
1405 fjx0 = _mm_macc_ps(dx10,fscal,fjx0);
1406 fjy0 = _mm_macc_ps(dy10,fscal,fjy0);
1407 fjz0 = _mm_macc_ps(dz10,fscal,fjz0);
1409 /**************************
1410 * CALCULATE INTERACTIONS *
1411 **************************/
1413 /* REACTION-FIELD ELECTROSTATICS */
1414 felec = _mm_mul_ps(qq11,_mm_msub_ps(rinv11,rinvsq11,krf2));
1418 fscal = _mm_andnot_ps(dummy_mask,fscal);
1420 /* Update vectorial force */
1421 fix1 = _mm_macc_ps(dx11,fscal,fix1);
1422 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
1423 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
1425 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
1426 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
1427 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
1429 /**************************
1430 * CALCULATE INTERACTIONS *
1431 **************************/
1433 /* REACTION-FIELD ELECTROSTATICS */
1434 felec = _mm_mul_ps(qq12,_mm_msub_ps(rinv12,rinvsq12,krf2));
1438 fscal = _mm_andnot_ps(dummy_mask,fscal);
1440 /* Update vectorial force */
1441 fix1 = _mm_macc_ps(dx12,fscal,fix1);
1442 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
1443 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
1445 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
1446 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
1447 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
1449 /**************************
1450 * CALCULATE INTERACTIONS *
1451 **************************/
1453 /* REACTION-FIELD ELECTROSTATICS */
1454 felec = _mm_mul_ps(qq20,_mm_msub_ps(rinv20,rinvsq20,krf2));
1458 fscal = _mm_andnot_ps(dummy_mask,fscal);
1460 /* Update vectorial force */
1461 fix2 = _mm_macc_ps(dx20,fscal,fix2);
1462 fiy2 = _mm_macc_ps(dy20,fscal,fiy2);
1463 fiz2 = _mm_macc_ps(dz20,fscal,fiz2);
1465 fjx0 = _mm_macc_ps(dx20,fscal,fjx0);
1466 fjy0 = _mm_macc_ps(dy20,fscal,fjy0);
1467 fjz0 = _mm_macc_ps(dz20,fscal,fjz0);
1469 /**************************
1470 * CALCULATE INTERACTIONS *
1471 **************************/
1473 /* REACTION-FIELD ELECTROSTATICS */
1474 felec = _mm_mul_ps(qq21,_mm_msub_ps(rinv21,rinvsq21,krf2));
1478 fscal = _mm_andnot_ps(dummy_mask,fscal);
1480 /* Update vectorial force */
1481 fix2 = _mm_macc_ps(dx21,fscal,fix2);
1482 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
1483 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
1485 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
1486 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
1487 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
1489 /**************************
1490 * CALCULATE INTERACTIONS *
1491 **************************/
1493 /* REACTION-FIELD ELECTROSTATICS */
1494 felec = _mm_mul_ps(qq22,_mm_msub_ps(rinv22,rinvsq22,krf2));
1498 fscal = _mm_andnot_ps(dummy_mask,fscal);
1500 /* Update vectorial force */
1501 fix2 = _mm_macc_ps(dx22,fscal,fix2);
1502 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
1503 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
1505 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
1506 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
1507 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
1509 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1510 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1511 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1512 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1514 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1515 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1517 /* Inner loop uses 270 flops */
1520 /* End of innermost loop */
1522 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1523 f+i_coord_offset,fshift+i_shift_offset);
1525 /* Increment number of inner iterations */
1526 inneriter += j_index_end - j_index_start;
1528 /* Outer loop uses 18 flops */
1531 /* Increment number of outer iterations */
1534 /* Update outer/inner flops */
1536 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3W3_F,outeriter*18 + inneriter*270);