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36 * Note: this file was generated by the GROMACS avx_128_fma_double kernel generator.
44 #include "../nb_kernel.h"
45 #include "gromacs/legacyheaders/types/simple.h"
46 #include "gromacs/math/vec.h"
47 #include "gromacs/legacyheaders/nrnb.h"
49 #include "gromacs/simd/math_x86_avx_128_fma_double.h"
50 #include "kernelutil_x86_avx_128_fma_double.h"
53 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW3P1_VF_avx_128_fma_double
54 * Electrostatics interaction: Ewald
55 * VdW interaction: None
56 * Geometry: Water3-Particle
57 * Calculate force/pot: PotentialAndForce
60 nb_kernel_ElecEwSh_VdwNone_GeomW3P1_VF_avx_128_fma_double
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 * gmx_restrict kernel_data,
67 t_nrnb * gmx_restrict nrnb)
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 refer to j loop unrolling done with SSE double precision, e.g. for the two different
72 * jnr indices corresponding to data put in the four positions in the SIMD register.
74 int i_shift_offset,i_coord_offset,outeriter,inneriter;
75 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
77 int j_coord_offsetA,j_coord_offsetB;
78 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
80 real *shiftvec,*fshift,*x,*f;
81 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
83 __m128d ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
85 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
87 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
88 int vdwjidx0A,vdwjidx0B;
89 __m128d jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
90 __m128d dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
91 __m128d dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
92 __m128d dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
93 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
96 __m128d ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
98 __m128d dummy_mask,cutoff_mask;
99 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
100 __m128d one = _mm_set1_pd(1.0);
101 __m128d two = _mm_set1_pd(2.0);
107 jindex = nlist->jindex;
109 shiftidx = nlist->shift;
111 shiftvec = fr->shift_vec[0];
112 fshift = fr->fshift[0];
113 facel = _mm_set1_pd(fr->epsfac);
114 charge = mdatoms->chargeA;
116 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
117 ewtab = fr->ic->tabq_coul_FDV0;
118 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
119 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
121 /* Setup water-specific parameters */
122 inr = nlist->iinr[0];
123 iq0 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+0]));
124 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
125 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
127 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
128 rcutoff_scalar = fr->rcoulomb;
129 rcutoff = _mm_set1_pd(rcutoff_scalar);
130 rcutoff2 = _mm_mul_pd(rcutoff,rcutoff);
132 /* Avoid stupid compiler warnings */
140 /* Start outer loop over neighborlists */
141 for(iidx=0; iidx<nri; iidx++)
143 /* Load shift vector for this list */
144 i_shift_offset = DIM*shiftidx[iidx];
146 /* Load limits for loop over neighbors */
147 j_index_start = jindex[iidx];
148 j_index_end = jindex[iidx+1];
150 /* Get outer coordinate index */
152 i_coord_offset = DIM*inr;
154 /* Load i particle coords and add shift vector */
155 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset,
156 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
158 fix0 = _mm_setzero_pd();
159 fiy0 = _mm_setzero_pd();
160 fiz0 = _mm_setzero_pd();
161 fix1 = _mm_setzero_pd();
162 fiy1 = _mm_setzero_pd();
163 fiz1 = _mm_setzero_pd();
164 fix2 = _mm_setzero_pd();
165 fiy2 = _mm_setzero_pd();
166 fiz2 = _mm_setzero_pd();
168 /* Reset potential sums */
169 velecsum = _mm_setzero_pd();
171 /* Start inner kernel loop */
172 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
175 /* Get j neighbor index, and coordinate index */
178 j_coord_offsetA = DIM*jnrA;
179 j_coord_offsetB = DIM*jnrB;
181 /* load j atom coordinates */
182 gmx_mm_load_1rvec_2ptr_swizzle_pd(x+j_coord_offsetA,x+j_coord_offsetB,
185 /* Calculate displacement vector */
186 dx00 = _mm_sub_pd(ix0,jx0);
187 dy00 = _mm_sub_pd(iy0,jy0);
188 dz00 = _mm_sub_pd(iz0,jz0);
189 dx10 = _mm_sub_pd(ix1,jx0);
190 dy10 = _mm_sub_pd(iy1,jy0);
191 dz10 = _mm_sub_pd(iz1,jz0);
192 dx20 = _mm_sub_pd(ix2,jx0);
193 dy20 = _mm_sub_pd(iy2,jy0);
194 dz20 = _mm_sub_pd(iz2,jz0);
196 /* Calculate squared distance and things based on it */
197 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
198 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
199 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
201 rinv00 = gmx_mm_invsqrt_pd(rsq00);
202 rinv10 = gmx_mm_invsqrt_pd(rsq10);
203 rinv20 = gmx_mm_invsqrt_pd(rsq20);
205 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
206 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
207 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
209 /* Load parameters for j particles */
210 jq0 = gmx_mm_load_2real_swizzle_pd(charge+jnrA+0,charge+jnrB+0);
212 fjx0 = _mm_setzero_pd();
213 fjy0 = _mm_setzero_pd();
214 fjz0 = _mm_setzero_pd();
216 /**************************
217 * CALCULATE INTERACTIONS *
218 **************************/
220 if (gmx_mm_any_lt(rsq00,rcutoff2))
223 r00 = _mm_mul_pd(rsq00,rinv00);
225 /* Compute parameters for interactions between i and j atoms */
226 qq00 = _mm_mul_pd(iq0,jq0);
228 /* EWALD ELECTROSTATICS */
230 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
231 ewrt = _mm_mul_pd(r00,ewtabscale);
232 ewitab = _mm_cvttpd_epi32(ewrt);
234 eweps = _mm_frcz_pd(ewrt);
236 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
238 twoeweps = _mm_add_pd(eweps,eweps);
239 ewitab = _mm_slli_epi32(ewitab,2);
240 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
241 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
242 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
243 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
244 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
245 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
246 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
247 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
248 velec = _mm_mul_pd(qq00,_mm_sub_pd(_mm_sub_pd(rinv00,sh_ewald),velec));
249 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
251 cutoff_mask = _mm_cmplt_pd(rsq00,rcutoff2);
253 /* Update potential sum for this i atom from the interaction with this j atom. */
254 velec = _mm_and_pd(velec,cutoff_mask);
255 velecsum = _mm_add_pd(velecsum,velec);
259 fscal = _mm_and_pd(fscal,cutoff_mask);
261 /* Update vectorial force */
262 fix0 = _mm_macc_pd(dx00,fscal,fix0);
263 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
264 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
266 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
267 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
268 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
272 /**************************
273 * CALCULATE INTERACTIONS *
274 **************************/
276 if (gmx_mm_any_lt(rsq10,rcutoff2))
279 r10 = _mm_mul_pd(rsq10,rinv10);
281 /* Compute parameters for interactions between i and j atoms */
282 qq10 = _mm_mul_pd(iq1,jq0);
284 /* EWALD ELECTROSTATICS */
286 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
287 ewrt = _mm_mul_pd(r10,ewtabscale);
288 ewitab = _mm_cvttpd_epi32(ewrt);
290 eweps = _mm_frcz_pd(ewrt);
292 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
294 twoeweps = _mm_add_pd(eweps,eweps);
295 ewitab = _mm_slli_epi32(ewitab,2);
296 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
297 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
298 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
299 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
300 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
301 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
302 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
303 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
304 velec = _mm_mul_pd(qq10,_mm_sub_pd(_mm_sub_pd(rinv10,sh_ewald),velec));
305 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
307 cutoff_mask = _mm_cmplt_pd(rsq10,rcutoff2);
309 /* Update potential sum for this i atom from the interaction with this j atom. */
310 velec = _mm_and_pd(velec,cutoff_mask);
311 velecsum = _mm_add_pd(velecsum,velec);
315 fscal = _mm_and_pd(fscal,cutoff_mask);
317 /* Update vectorial force */
318 fix1 = _mm_macc_pd(dx10,fscal,fix1);
319 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
320 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
322 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
323 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
324 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
328 /**************************
329 * CALCULATE INTERACTIONS *
330 **************************/
332 if (gmx_mm_any_lt(rsq20,rcutoff2))
335 r20 = _mm_mul_pd(rsq20,rinv20);
337 /* Compute parameters for interactions between i and j atoms */
338 qq20 = _mm_mul_pd(iq2,jq0);
340 /* EWALD ELECTROSTATICS */
342 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
343 ewrt = _mm_mul_pd(r20,ewtabscale);
344 ewitab = _mm_cvttpd_epi32(ewrt);
346 eweps = _mm_frcz_pd(ewrt);
348 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
350 twoeweps = _mm_add_pd(eweps,eweps);
351 ewitab = _mm_slli_epi32(ewitab,2);
352 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
353 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
354 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
355 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
356 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
357 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
358 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
359 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
360 velec = _mm_mul_pd(qq20,_mm_sub_pd(_mm_sub_pd(rinv20,sh_ewald),velec));
361 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
363 cutoff_mask = _mm_cmplt_pd(rsq20,rcutoff2);
365 /* Update potential sum for this i atom from the interaction with this j atom. */
366 velec = _mm_and_pd(velec,cutoff_mask);
367 velecsum = _mm_add_pd(velecsum,velec);
371 fscal = _mm_and_pd(fscal,cutoff_mask);
373 /* Update vectorial force */
374 fix2 = _mm_macc_pd(dx20,fscal,fix2);
375 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
376 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
378 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
379 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
380 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
384 gmx_mm_decrement_1rvec_2ptr_swizzle_pd(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0);
386 /* Inner loop uses 150 flops */
393 j_coord_offsetA = DIM*jnrA;
395 /* load j atom coordinates */
396 gmx_mm_load_1rvec_1ptr_swizzle_pd(x+j_coord_offsetA,
399 /* Calculate displacement vector */
400 dx00 = _mm_sub_pd(ix0,jx0);
401 dy00 = _mm_sub_pd(iy0,jy0);
402 dz00 = _mm_sub_pd(iz0,jz0);
403 dx10 = _mm_sub_pd(ix1,jx0);
404 dy10 = _mm_sub_pd(iy1,jy0);
405 dz10 = _mm_sub_pd(iz1,jz0);
406 dx20 = _mm_sub_pd(ix2,jx0);
407 dy20 = _mm_sub_pd(iy2,jy0);
408 dz20 = _mm_sub_pd(iz2,jz0);
410 /* Calculate squared distance and things based on it */
411 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
412 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
413 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
415 rinv00 = gmx_mm_invsqrt_pd(rsq00);
416 rinv10 = gmx_mm_invsqrt_pd(rsq10);
417 rinv20 = gmx_mm_invsqrt_pd(rsq20);
419 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
420 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
421 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
423 /* Load parameters for j particles */
424 jq0 = _mm_load_sd(charge+jnrA+0);
426 fjx0 = _mm_setzero_pd();
427 fjy0 = _mm_setzero_pd();
428 fjz0 = _mm_setzero_pd();
430 /**************************
431 * CALCULATE INTERACTIONS *
432 **************************/
434 if (gmx_mm_any_lt(rsq00,rcutoff2))
437 r00 = _mm_mul_pd(rsq00,rinv00);
439 /* Compute parameters for interactions between i and j atoms */
440 qq00 = _mm_mul_pd(iq0,jq0);
442 /* EWALD ELECTROSTATICS */
444 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
445 ewrt = _mm_mul_pd(r00,ewtabscale);
446 ewitab = _mm_cvttpd_epi32(ewrt);
448 eweps = _mm_frcz_pd(ewrt);
450 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
452 twoeweps = _mm_add_pd(eweps,eweps);
453 ewitab = _mm_slli_epi32(ewitab,2);
454 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
455 ewtabD = _mm_setzero_pd();
456 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
457 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
458 ewtabFn = _mm_setzero_pd();
459 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
460 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
461 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
462 velec = _mm_mul_pd(qq00,_mm_sub_pd(_mm_sub_pd(rinv00,sh_ewald),velec));
463 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
465 cutoff_mask = _mm_cmplt_pd(rsq00,rcutoff2);
467 /* Update potential sum for this i atom from the interaction with this j atom. */
468 velec = _mm_and_pd(velec,cutoff_mask);
469 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
470 velecsum = _mm_add_pd(velecsum,velec);
474 fscal = _mm_and_pd(fscal,cutoff_mask);
476 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
478 /* Update vectorial force */
479 fix0 = _mm_macc_pd(dx00,fscal,fix0);
480 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
481 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
483 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
484 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
485 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
489 /**************************
490 * CALCULATE INTERACTIONS *
491 **************************/
493 if (gmx_mm_any_lt(rsq10,rcutoff2))
496 r10 = _mm_mul_pd(rsq10,rinv10);
498 /* Compute parameters for interactions between i and j atoms */
499 qq10 = _mm_mul_pd(iq1,jq0);
501 /* EWALD ELECTROSTATICS */
503 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
504 ewrt = _mm_mul_pd(r10,ewtabscale);
505 ewitab = _mm_cvttpd_epi32(ewrt);
507 eweps = _mm_frcz_pd(ewrt);
509 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
511 twoeweps = _mm_add_pd(eweps,eweps);
512 ewitab = _mm_slli_epi32(ewitab,2);
513 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
514 ewtabD = _mm_setzero_pd();
515 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
516 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
517 ewtabFn = _mm_setzero_pd();
518 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
519 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
520 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
521 velec = _mm_mul_pd(qq10,_mm_sub_pd(_mm_sub_pd(rinv10,sh_ewald),velec));
522 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
524 cutoff_mask = _mm_cmplt_pd(rsq10,rcutoff2);
526 /* Update potential sum for this i atom from the interaction with this j atom. */
527 velec = _mm_and_pd(velec,cutoff_mask);
528 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
529 velecsum = _mm_add_pd(velecsum,velec);
533 fscal = _mm_and_pd(fscal,cutoff_mask);
535 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
537 /* Update vectorial force */
538 fix1 = _mm_macc_pd(dx10,fscal,fix1);
539 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
540 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
542 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
543 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
544 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
548 /**************************
549 * CALCULATE INTERACTIONS *
550 **************************/
552 if (gmx_mm_any_lt(rsq20,rcutoff2))
555 r20 = _mm_mul_pd(rsq20,rinv20);
557 /* Compute parameters for interactions between i and j atoms */
558 qq20 = _mm_mul_pd(iq2,jq0);
560 /* EWALD ELECTROSTATICS */
562 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
563 ewrt = _mm_mul_pd(r20,ewtabscale);
564 ewitab = _mm_cvttpd_epi32(ewrt);
566 eweps = _mm_frcz_pd(ewrt);
568 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
570 twoeweps = _mm_add_pd(eweps,eweps);
571 ewitab = _mm_slli_epi32(ewitab,2);
572 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
573 ewtabD = _mm_setzero_pd();
574 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
575 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
576 ewtabFn = _mm_setzero_pd();
577 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
578 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
579 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
580 velec = _mm_mul_pd(qq20,_mm_sub_pd(_mm_sub_pd(rinv20,sh_ewald),velec));
581 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
583 cutoff_mask = _mm_cmplt_pd(rsq20,rcutoff2);
585 /* Update potential sum for this i atom from the interaction with this j atom. */
586 velec = _mm_and_pd(velec,cutoff_mask);
587 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
588 velecsum = _mm_add_pd(velecsum,velec);
592 fscal = _mm_and_pd(fscal,cutoff_mask);
594 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
596 /* Update vectorial force */
597 fix2 = _mm_macc_pd(dx20,fscal,fix2);
598 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
599 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
601 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
602 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
603 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
607 gmx_mm_decrement_1rvec_1ptr_swizzle_pd(f+j_coord_offsetA,fjx0,fjy0,fjz0);
609 /* Inner loop uses 150 flops */
612 /* End of innermost loop */
614 gmx_mm_update_iforce_3atom_swizzle_pd(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
615 f+i_coord_offset,fshift+i_shift_offset);
618 /* Update potential energies */
619 gmx_mm_update_1pot_pd(velecsum,kernel_data->energygrp_elec+ggid);
621 /* Increment number of inner iterations */
622 inneriter += j_index_end - j_index_start;
624 /* Outer loop uses 19 flops */
627 /* Increment number of outer iterations */
630 /* Update outer/inner flops */
632 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3_VF,outeriter*19 + inneriter*150);
635 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW3P1_F_avx_128_fma_double
636 * Electrostatics interaction: Ewald
637 * VdW interaction: None
638 * Geometry: Water3-Particle
639 * Calculate force/pot: Force
642 nb_kernel_ElecEwSh_VdwNone_GeomW3P1_F_avx_128_fma_double
643 (t_nblist * gmx_restrict nlist,
644 rvec * gmx_restrict xx,
645 rvec * gmx_restrict ff,
646 t_forcerec * gmx_restrict fr,
647 t_mdatoms * gmx_restrict mdatoms,
648 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
649 t_nrnb * gmx_restrict nrnb)
651 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
652 * just 0 for non-waters.
653 * Suffixes A,B refer to j loop unrolling done with SSE double precision, e.g. for the two different
654 * jnr indices corresponding to data put in the four positions in the SIMD register.
656 int i_shift_offset,i_coord_offset,outeriter,inneriter;
657 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
659 int j_coord_offsetA,j_coord_offsetB;
660 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
662 real *shiftvec,*fshift,*x,*f;
663 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
665 __m128d ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
667 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
669 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
670 int vdwjidx0A,vdwjidx0B;
671 __m128d jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
672 __m128d dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
673 __m128d dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
674 __m128d dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
675 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
678 __m128d ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
680 __m128d dummy_mask,cutoff_mask;
681 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
682 __m128d one = _mm_set1_pd(1.0);
683 __m128d two = _mm_set1_pd(2.0);
689 jindex = nlist->jindex;
691 shiftidx = nlist->shift;
693 shiftvec = fr->shift_vec[0];
694 fshift = fr->fshift[0];
695 facel = _mm_set1_pd(fr->epsfac);
696 charge = mdatoms->chargeA;
698 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
699 ewtab = fr->ic->tabq_coul_F;
700 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
701 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
703 /* Setup water-specific parameters */
704 inr = nlist->iinr[0];
705 iq0 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+0]));
706 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
707 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
709 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
710 rcutoff_scalar = fr->rcoulomb;
711 rcutoff = _mm_set1_pd(rcutoff_scalar);
712 rcutoff2 = _mm_mul_pd(rcutoff,rcutoff);
714 /* Avoid stupid compiler warnings */
722 /* Start outer loop over neighborlists */
723 for(iidx=0; iidx<nri; iidx++)
725 /* Load shift vector for this list */
726 i_shift_offset = DIM*shiftidx[iidx];
728 /* Load limits for loop over neighbors */
729 j_index_start = jindex[iidx];
730 j_index_end = jindex[iidx+1];
732 /* Get outer coordinate index */
734 i_coord_offset = DIM*inr;
736 /* Load i particle coords and add shift vector */
737 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset,
738 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
740 fix0 = _mm_setzero_pd();
741 fiy0 = _mm_setzero_pd();
742 fiz0 = _mm_setzero_pd();
743 fix1 = _mm_setzero_pd();
744 fiy1 = _mm_setzero_pd();
745 fiz1 = _mm_setzero_pd();
746 fix2 = _mm_setzero_pd();
747 fiy2 = _mm_setzero_pd();
748 fiz2 = _mm_setzero_pd();
750 /* Start inner kernel loop */
751 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
754 /* Get j neighbor index, and coordinate index */
757 j_coord_offsetA = DIM*jnrA;
758 j_coord_offsetB = DIM*jnrB;
760 /* load j atom coordinates */
761 gmx_mm_load_1rvec_2ptr_swizzle_pd(x+j_coord_offsetA,x+j_coord_offsetB,
764 /* Calculate displacement vector */
765 dx00 = _mm_sub_pd(ix0,jx0);
766 dy00 = _mm_sub_pd(iy0,jy0);
767 dz00 = _mm_sub_pd(iz0,jz0);
768 dx10 = _mm_sub_pd(ix1,jx0);
769 dy10 = _mm_sub_pd(iy1,jy0);
770 dz10 = _mm_sub_pd(iz1,jz0);
771 dx20 = _mm_sub_pd(ix2,jx0);
772 dy20 = _mm_sub_pd(iy2,jy0);
773 dz20 = _mm_sub_pd(iz2,jz0);
775 /* Calculate squared distance and things based on it */
776 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
777 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
778 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
780 rinv00 = gmx_mm_invsqrt_pd(rsq00);
781 rinv10 = gmx_mm_invsqrt_pd(rsq10);
782 rinv20 = gmx_mm_invsqrt_pd(rsq20);
784 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
785 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
786 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
788 /* Load parameters for j particles */
789 jq0 = gmx_mm_load_2real_swizzle_pd(charge+jnrA+0,charge+jnrB+0);
791 fjx0 = _mm_setzero_pd();
792 fjy0 = _mm_setzero_pd();
793 fjz0 = _mm_setzero_pd();
795 /**************************
796 * CALCULATE INTERACTIONS *
797 **************************/
799 if (gmx_mm_any_lt(rsq00,rcutoff2))
802 r00 = _mm_mul_pd(rsq00,rinv00);
804 /* Compute parameters for interactions between i and j atoms */
805 qq00 = _mm_mul_pd(iq0,jq0);
807 /* EWALD ELECTROSTATICS */
809 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
810 ewrt = _mm_mul_pd(r00,ewtabscale);
811 ewitab = _mm_cvttpd_epi32(ewrt);
813 eweps = _mm_frcz_pd(ewrt);
815 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
817 twoeweps = _mm_add_pd(eweps,eweps);
818 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
820 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
821 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
823 cutoff_mask = _mm_cmplt_pd(rsq00,rcutoff2);
827 fscal = _mm_and_pd(fscal,cutoff_mask);
829 /* Update vectorial force */
830 fix0 = _mm_macc_pd(dx00,fscal,fix0);
831 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
832 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
834 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
835 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
836 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
840 /**************************
841 * CALCULATE INTERACTIONS *
842 **************************/
844 if (gmx_mm_any_lt(rsq10,rcutoff2))
847 r10 = _mm_mul_pd(rsq10,rinv10);
849 /* Compute parameters for interactions between i and j atoms */
850 qq10 = _mm_mul_pd(iq1,jq0);
852 /* EWALD ELECTROSTATICS */
854 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
855 ewrt = _mm_mul_pd(r10,ewtabscale);
856 ewitab = _mm_cvttpd_epi32(ewrt);
858 eweps = _mm_frcz_pd(ewrt);
860 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
862 twoeweps = _mm_add_pd(eweps,eweps);
863 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
865 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
866 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
868 cutoff_mask = _mm_cmplt_pd(rsq10,rcutoff2);
872 fscal = _mm_and_pd(fscal,cutoff_mask);
874 /* Update vectorial force */
875 fix1 = _mm_macc_pd(dx10,fscal,fix1);
876 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
877 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
879 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
880 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
881 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
885 /**************************
886 * CALCULATE INTERACTIONS *
887 **************************/
889 if (gmx_mm_any_lt(rsq20,rcutoff2))
892 r20 = _mm_mul_pd(rsq20,rinv20);
894 /* Compute parameters for interactions between i and j atoms */
895 qq20 = _mm_mul_pd(iq2,jq0);
897 /* EWALD ELECTROSTATICS */
899 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
900 ewrt = _mm_mul_pd(r20,ewtabscale);
901 ewitab = _mm_cvttpd_epi32(ewrt);
903 eweps = _mm_frcz_pd(ewrt);
905 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
907 twoeweps = _mm_add_pd(eweps,eweps);
908 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
910 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
911 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
913 cutoff_mask = _mm_cmplt_pd(rsq20,rcutoff2);
917 fscal = _mm_and_pd(fscal,cutoff_mask);
919 /* Update vectorial force */
920 fix2 = _mm_macc_pd(dx20,fscal,fix2);
921 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
922 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
924 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
925 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
926 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
930 gmx_mm_decrement_1rvec_2ptr_swizzle_pd(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0);
932 /* Inner loop uses 129 flops */
939 j_coord_offsetA = DIM*jnrA;
941 /* load j atom coordinates */
942 gmx_mm_load_1rvec_1ptr_swizzle_pd(x+j_coord_offsetA,
945 /* Calculate displacement vector */
946 dx00 = _mm_sub_pd(ix0,jx0);
947 dy00 = _mm_sub_pd(iy0,jy0);
948 dz00 = _mm_sub_pd(iz0,jz0);
949 dx10 = _mm_sub_pd(ix1,jx0);
950 dy10 = _mm_sub_pd(iy1,jy0);
951 dz10 = _mm_sub_pd(iz1,jz0);
952 dx20 = _mm_sub_pd(ix2,jx0);
953 dy20 = _mm_sub_pd(iy2,jy0);
954 dz20 = _mm_sub_pd(iz2,jz0);
956 /* Calculate squared distance and things based on it */
957 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
958 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
959 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
961 rinv00 = gmx_mm_invsqrt_pd(rsq00);
962 rinv10 = gmx_mm_invsqrt_pd(rsq10);
963 rinv20 = gmx_mm_invsqrt_pd(rsq20);
965 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
966 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
967 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
969 /* Load parameters for j particles */
970 jq0 = _mm_load_sd(charge+jnrA+0);
972 fjx0 = _mm_setzero_pd();
973 fjy0 = _mm_setzero_pd();
974 fjz0 = _mm_setzero_pd();
976 /**************************
977 * CALCULATE INTERACTIONS *
978 **************************/
980 if (gmx_mm_any_lt(rsq00,rcutoff2))
983 r00 = _mm_mul_pd(rsq00,rinv00);
985 /* Compute parameters for interactions between i and j atoms */
986 qq00 = _mm_mul_pd(iq0,jq0);
988 /* EWALD ELECTROSTATICS */
990 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
991 ewrt = _mm_mul_pd(r00,ewtabscale);
992 ewitab = _mm_cvttpd_epi32(ewrt);
994 eweps = _mm_frcz_pd(ewrt);
996 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
998 twoeweps = _mm_add_pd(eweps,eweps);
999 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1000 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1001 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
1003 cutoff_mask = _mm_cmplt_pd(rsq00,rcutoff2);
1007 fscal = _mm_and_pd(fscal,cutoff_mask);
1009 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1011 /* Update vectorial force */
1012 fix0 = _mm_macc_pd(dx00,fscal,fix0);
1013 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
1014 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
1016 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
1017 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
1018 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
1022 /**************************
1023 * CALCULATE INTERACTIONS *
1024 **************************/
1026 if (gmx_mm_any_lt(rsq10,rcutoff2))
1029 r10 = _mm_mul_pd(rsq10,rinv10);
1031 /* Compute parameters for interactions between i and j atoms */
1032 qq10 = _mm_mul_pd(iq1,jq0);
1034 /* EWALD ELECTROSTATICS */
1036 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1037 ewrt = _mm_mul_pd(r10,ewtabscale);
1038 ewitab = _mm_cvttpd_epi32(ewrt);
1040 eweps = _mm_frcz_pd(ewrt);
1042 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1044 twoeweps = _mm_add_pd(eweps,eweps);
1045 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1046 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1047 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
1049 cutoff_mask = _mm_cmplt_pd(rsq10,rcutoff2);
1053 fscal = _mm_and_pd(fscal,cutoff_mask);
1055 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1057 /* Update vectorial force */
1058 fix1 = _mm_macc_pd(dx10,fscal,fix1);
1059 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
1060 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
1062 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
1063 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
1064 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
1068 /**************************
1069 * CALCULATE INTERACTIONS *
1070 **************************/
1072 if (gmx_mm_any_lt(rsq20,rcutoff2))
1075 r20 = _mm_mul_pd(rsq20,rinv20);
1077 /* Compute parameters for interactions between i and j atoms */
1078 qq20 = _mm_mul_pd(iq2,jq0);
1080 /* EWALD ELECTROSTATICS */
1082 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1083 ewrt = _mm_mul_pd(r20,ewtabscale);
1084 ewitab = _mm_cvttpd_epi32(ewrt);
1086 eweps = _mm_frcz_pd(ewrt);
1088 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1090 twoeweps = _mm_add_pd(eweps,eweps);
1091 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1092 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1093 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
1095 cutoff_mask = _mm_cmplt_pd(rsq20,rcutoff2);
1099 fscal = _mm_and_pd(fscal,cutoff_mask);
1101 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1103 /* Update vectorial force */
1104 fix2 = _mm_macc_pd(dx20,fscal,fix2);
1105 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
1106 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
1108 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
1109 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
1110 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
1114 gmx_mm_decrement_1rvec_1ptr_swizzle_pd(f+j_coord_offsetA,fjx0,fjy0,fjz0);
1116 /* Inner loop uses 129 flops */
1119 /* End of innermost loop */
1121 gmx_mm_update_iforce_3atom_swizzle_pd(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1122 f+i_coord_offset,fshift+i_shift_offset);
1124 /* Increment number of inner iterations */
1125 inneriter += j_index_end - j_index_start;
1127 /* Outer loop uses 18 flops */
1130 /* Increment number of outer iterations */
1133 /* Update outer/inner flops */
1135 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3_F,outeriter*18 + inneriter*129);