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36 * Note: this file was generated by the GROMACS avx_128_fma_double kernel generator.
42 #include "../nb_kernel.h"
43 #include "types/simple.h"
44 #include "gromacs/math/vec.h"
47 #include "gromacs/simd/math_x86_avx_128_fma_double.h"
48 #include "kernelutil_x86_avx_128_fma_double.h"
51 * Gromacs nonbonded kernel: nb_kernel_ElecEw_VdwNone_GeomW3W3_VF_avx_128_fma_double
52 * Electrostatics interaction: Ewald
53 * VdW interaction: None
54 * Geometry: Water3-Water3
55 * Calculate force/pot: PotentialAndForce
58 nb_kernel_ElecEw_VdwNone_GeomW3W3_VF_avx_128_fma_double
59 (t_nblist * gmx_restrict nlist,
60 rvec * gmx_restrict xx,
61 rvec * gmx_restrict ff,
62 t_forcerec * gmx_restrict fr,
63 t_mdatoms * gmx_restrict mdatoms,
64 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
65 t_nrnb * gmx_restrict nrnb)
67 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
68 * just 0 for non-waters.
69 * Suffixes A,B refer to j loop unrolling done with SSE double precision, e.g. for the two different
70 * jnr indices corresponding to data put in the four positions in the SIMD register.
72 int i_shift_offset,i_coord_offset,outeriter,inneriter;
73 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
75 int j_coord_offsetA,j_coord_offsetB;
76 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
78 real *shiftvec,*fshift,*x,*f;
79 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
81 __m128d ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
83 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
85 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
86 int vdwjidx0A,vdwjidx0B;
87 __m128d jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
88 int vdwjidx1A,vdwjidx1B;
89 __m128d jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
90 int vdwjidx2A,vdwjidx2B;
91 __m128d jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
92 __m128d dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
93 __m128d dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
94 __m128d dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
95 __m128d dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
96 __m128d dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
97 __m128d dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
98 __m128d dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
99 __m128d dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
100 __m128d dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
101 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
104 __m128d ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
106 __m128d dummy_mask,cutoff_mask;
107 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
108 __m128d one = _mm_set1_pd(1.0);
109 __m128d two = _mm_set1_pd(2.0);
115 jindex = nlist->jindex;
117 shiftidx = nlist->shift;
119 shiftvec = fr->shift_vec[0];
120 fshift = fr->fshift[0];
121 facel = _mm_set1_pd(fr->epsfac);
122 charge = mdatoms->chargeA;
124 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
125 ewtab = fr->ic->tabq_coul_FDV0;
126 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
127 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
129 /* Setup water-specific parameters */
130 inr = nlist->iinr[0];
131 iq0 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+0]));
132 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
133 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
135 jq0 = _mm_set1_pd(charge[inr+0]);
136 jq1 = _mm_set1_pd(charge[inr+1]);
137 jq2 = _mm_set1_pd(charge[inr+2]);
138 qq00 = _mm_mul_pd(iq0,jq0);
139 qq01 = _mm_mul_pd(iq0,jq1);
140 qq02 = _mm_mul_pd(iq0,jq2);
141 qq10 = _mm_mul_pd(iq1,jq0);
142 qq11 = _mm_mul_pd(iq1,jq1);
143 qq12 = _mm_mul_pd(iq1,jq2);
144 qq20 = _mm_mul_pd(iq2,jq0);
145 qq21 = _mm_mul_pd(iq2,jq1);
146 qq22 = _mm_mul_pd(iq2,jq2);
148 /* Avoid stupid compiler warnings */
156 /* Start outer loop over neighborlists */
157 for(iidx=0; iidx<nri; iidx++)
159 /* Load shift vector for this list */
160 i_shift_offset = DIM*shiftidx[iidx];
162 /* Load limits for loop over neighbors */
163 j_index_start = jindex[iidx];
164 j_index_end = jindex[iidx+1];
166 /* Get outer coordinate index */
168 i_coord_offset = DIM*inr;
170 /* Load i particle coords and add shift vector */
171 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset,
172 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
174 fix0 = _mm_setzero_pd();
175 fiy0 = _mm_setzero_pd();
176 fiz0 = _mm_setzero_pd();
177 fix1 = _mm_setzero_pd();
178 fiy1 = _mm_setzero_pd();
179 fiz1 = _mm_setzero_pd();
180 fix2 = _mm_setzero_pd();
181 fiy2 = _mm_setzero_pd();
182 fiz2 = _mm_setzero_pd();
184 /* Reset potential sums */
185 velecsum = _mm_setzero_pd();
187 /* Start inner kernel loop */
188 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
191 /* Get j neighbor index, and coordinate index */
194 j_coord_offsetA = DIM*jnrA;
195 j_coord_offsetB = DIM*jnrB;
197 /* load j atom coordinates */
198 gmx_mm_load_3rvec_2ptr_swizzle_pd(x+j_coord_offsetA,x+j_coord_offsetB,
199 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
201 /* Calculate displacement vector */
202 dx00 = _mm_sub_pd(ix0,jx0);
203 dy00 = _mm_sub_pd(iy0,jy0);
204 dz00 = _mm_sub_pd(iz0,jz0);
205 dx01 = _mm_sub_pd(ix0,jx1);
206 dy01 = _mm_sub_pd(iy0,jy1);
207 dz01 = _mm_sub_pd(iz0,jz1);
208 dx02 = _mm_sub_pd(ix0,jx2);
209 dy02 = _mm_sub_pd(iy0,jy2);
210 dz02 = _mm_sub_pd(iz0,jz2);
211 dx10 = _mm_sub_pd(ix1,jx0);
212 dy10 = _mm_sub_pd(iy1,jy0);
213 dz10 = _mm_sub_pd(iz1,jz0);
214 dx11 = _mm_sub_pd(ix1,jx1);
215 dy11 = _mm_sub_pd(iy1,jy1);
216 dz11 = _mm_sub_pd(iz1,jz1);
217 dx12 = _mm_sub_pd(ix1,jx2);
218 dy12 = _mm_sub_pd(iy1,jy2);
219 dz12 = _mm_sub_pd(iz1,jz2);
220 dx20 = _mm_sub_pd(ix2,jx0);
221 dy20 = _mm_sub_pd(iy2,jy0);
222 dz20 = _mm_sub_pd(iz2,jz0);
223 dx21 = _mm_sub_pd(ix2,jx1);
224 dy21 = _mm_sub_pd(iy2,jy1);
225 dz21 = _mm_sub_pd(iz2,jz1);
226 dx22 = _mm_sub_pd(ix2,jx2);
227 dy22 = _mm_sub_pd(iy2,jy2);
228 dz22 = _mm_sub_pd(iz2,jz2);
230 /* Calculate squared distance and things based on it */
231 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
232 rsq01 = gmx_mm_calc_rsq_pd(dx01,dy01,dz01);
233 rsq02 = gmx_mm_calc_rsq_pd(dx02,dy02,dz02);
234 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
235 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
236 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
237 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
238 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
239 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
241 rinv00 = gmx_mm_invsqrt_pd(rsq00);
242 rinv01 = gmx_mm_invsqrt_pd(rsq01);
243 rinv02 = gmx_mm_invsqrt_pd(rsq02);
244 rinv10 = gmx_mm_invsqrt_pd(rsq10);
245 rinv11 = gmx_mm_invsqrt_pd(rsq11);
246 rinv12 = gmx_mm_invsqrt_pd(rsq12);
247 rinv20 = gmx_mm_invsqrt_pd(rsq20);
248 rinv21 = gmx_mm_invsqrt_pd(rsq21);
249 rinv22 = gmx_mm_invsqrt_pd(rsq22);
251 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
252 rinvsq01 = _mm_mul_pd(rinv01,rinv01);
253 rinvsq02 = _mm_mul_pd(rinv02,rinv02);
254 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
255 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
256 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
257 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
258 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
259 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
261 fjx0 = _mm_setzero_pd();
262 fjy0 = _mm_setzero_pd();
263 fjz0 = _mm_setzero_pd();
264 fjx1 = _mm_setzero_pd();
265 fjy1 = _mm_setzero_pd();
266 fjz1 = _mm_setzero_pd();
267 fjx2 = _mm_setzero_pd();
268 fjy2 = _mm_setzero_pd();
269 fjz2 = _mm_setzero_pd();
271 /**************************
272 * CALCULATE INTERACTIONS *
273 **************************/
275 r00 = _mm_mul_pd(rsq00,rinv00);
277 /* EWALD ELECTROSTATICS */
279 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
280 ewrt = _mm_mul_pd(r00,ewtabscale);
281 ewitab = _mm_cvttpd_epi32(ewrt);
283 eweps = _mm_frcz_pd(ewrt);
285 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
287 twoeweps = _mm_add_pd(eweps,eweps);
288 ewitab = _mm_slli_epi32(ewitab,2);
289 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
290 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
291 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
292 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
293 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
294 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
295 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
296 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
297 velec = _mm_mul_pd(qq00,_mm_sub_pd(rinv00,velec));
298 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
300 /* Update potential sum for this i atom from the interaction with this j atom. */
301 velecsum = _mm_add_pd(velecsum,velec);
305 /* Update vectorial force */
306 fix0 = _mm_macc_pd(dx00,fscal,fix0);
307 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
308 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
310 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
311 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
312 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
314 /**************************
315 * CALCULATE INTERACTIONS *
316 **************************/
318 r01 = _mm_mul_pd(rsq01,rinv01);
320 /* EWALD ELECTROSTATICS */
322 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
323 ewrt = _mm_mul_pd(r01,ewtabscale);
324 ewitab = _mm_cvttpd_epi32(ewrt);
326 eweps = _mm_frcz_pd(ewrt);
328 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
330 twoeweps = _mm_add_pd(eweps,eweps);
331 ewitab = _mm_slli_epi32(ewitab,2);
332 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
333 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
334 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
335 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
336 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
337 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
338 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
339 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
340 velec = _mm_mul_pd(qq01,_mm_sub_pd(rinv01,velec));
341 felec = _mm_mul_pd(_mm_mul_pd(qq01,rinv01),_mm_sub_pd(rinvsq01,felec));
343 /* Update potential sum for this i atom from the interaction with this j atom. */
344 velecsum = _mm_add_pd(velecsum,velec);
348 /* Update vectorial force */
349 fix0 = _mm_macc_pd(dx01,fscal,fix0);
350 fiy0 = _mm_macc_pd(dy01,fscal,fiy0);
351 fiz0 = _mm_macc_pd(dz01,fscal,fiz0);
353 fjx1 = _mm_macc_pd(dx01,fscal,fjx1);
354 fjy1 = _mm_macc_pd(dy01,fscal,fjy1);
355 fjz1 = _mm_macc_pd(dz01,fscal,fjz1);
357 /**************************
358 * CALCULATE INTERACTIONS *
359 **************************/
361 r02 = _mm_mul_pd(rsq02,rinv02);
363 /* EWALD ELECTROSTATICS */
365 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
366 ewrt = _mm_mul_pd(r02,ewtabscale);
367 ewitab = _mm_cvttpd_epi32(ewrt);
369 eweps = _mm_frcz_pd(ewrt);
371 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
373 twoeweps = _mm_add_pd(eweps,eweps);
374 ewitab = _mm_slli_epi32(ewitab,2);
375 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
376 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
377 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
378 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
379 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
380 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
381 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
382 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
383 velec = _mm_mul_pd(qq02,_mm_sub_pd(rinv02,velec));
384 felec = _mm_mul_pd(_mm_mul_pd(qq02,rinv02),_mm_sub_pd(rinvsq02,felec));
386 /* Update potential sum for this i atom from the interaction with this j atom. */
387 velecsum = _mm_add_pd(velecsum,velec);
391 /* Update vectorial force */
392 fix0 = _mm_macc_pd(dx02,fscal,fix0);
393 fiy0 = _mm_macc_pd(dy02,fscal,fiy0);
394 fiz0 = _mm_macc_pd(dz02,fscal,fiz0);
396 fjx2 = _mm_macc_pd(dx02,fscal,fjx2);
397 fjy2 = _mm_macc_pd(dy02,fscal,fjy2);
398 fjz2 = _mm_macc_pd(dz02,fscal,fjz2);
400 /**************************
401 * CALCULATE INTERACTIONS *
402 **************************/
404 r10 = _mm_mul_pd(rsq10,rinv10);
406 /* EWALD ELECTROSTATICS */
408 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
409 ewrt = _mm_mul_pd(r10,ewtabscale);
410 ewitab = _mm_cvttpd_epi32(ewrt);
412 eweps = _mm_frcz_pd(ewrt);
414 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
416 twoeweps = _mm_add_pd(eweps,eweps);
417 ewitab = _mm_slli_epi32(ewitab,2);
418 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
419 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
420 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
421 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
422 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
423 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
424 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
425 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
426 velec = _mm_mul_pd(qq10,_mm_sub_pd(rinv10,velec));
427 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
429 /* Update potential sum for this i atom from the interaction with this j atom. */
430 velecsum = _mm_add_pd(velecsum,velec);
434 /* Update vectorial force */
435 fix1 = _mm_macc_pd(dx10,fscal,fix1);
436 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
437 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
439 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
440 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
441 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
443 /**************************
444 * CALCULATE INTERACTIONS *
445 **************************/
447 r11 = _mm_mul_pd(rsq11,rinv11);
449 /* EWALD ELECTROSTATICS */
451 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
452 ewrt = _mm_mul_pd(r11,ewtabscale);
453 ewitab = _mm_cvttpd_epi32(ewrt);
455 eweps = _mm_frcz_pd(ewrt);
457 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
459 twoeweps = _mm_add_pd(eweps,eweps);
460 ewitab = _mm_slli_epi32(ewitab,2);
461 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
462 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
463 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
464 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
465 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
466 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
467 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
468 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
469 velec = _mm_mul_pd(qq11,_mm_sub_pd(rinv11,velec));
470 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
472 /* Update potential sum for this i atom from the interaction with this j atom. */
473 velecsum = _mm_add_pd(velecsum,velec);
477 /* Update vectorial force */
478 fix1 = _mm_macc_pd(dx11,fscal,fix1);
479 fiy1 = _mm_macc_pd(dy11,fscal,fiy1);
480 fiz1 = _mm_macc_pd(dz11,fscal,fiz1);
482 fjx1 = _mm_macc_pd(dx11,fscal,fjx1);
483 fjy1 = _mm_macc_pd(dy11,fscal,fjy1);
484 fjz1 = _mm_macc_pd(dz11,fscal,fjz1);
486 /**************************
487 * CALCULATE INTERACTIONS *
488 **************************/
490 r12 = _mm_mul_pd(rsq12,rinv12);
492 /* EWALD ELECTROSTATICS */
494 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
495 ewrt = _mm_mul_pd(r12,ewtabscale);
496 ewitab = _mm_cvttpd_epi32(ewrt);
498 eweps = _mm_frcz_pd(ewrt);
500 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
502 twoeweps = _mm_add_pd(eweps,eweps);
503 ewitab = _mm_slli_epi32(ewitab,2);
504 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
505 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
506 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
507 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
508 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
509 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
510 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
511 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
512 velec = _mm_mul_pd(qq12,_mm_sub_pd(rinv12,velec));
513 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
515 /* Update potential sum for this i atom from the interaction with this j atom. */
516 velecsum = _mm_add_pd(velecsum,velec);
520 /* Update vectorial force */
521 fix1 = _mm_macc_pd(dx12,fscal,fix1);
522 fiy1 = _mm_macc_pd(dy12,fscal,fiy1);
523 fiz1 = _mm_macc_pd(dz12,fscal,fiz1);
525 fjx2 = _mm_macc_pd(dx12,fscal,fjx2);
526 fjy2 = _mm_macc_pd(dy12,fscal,fjy2);
527 fjz2 = _mm_macc_pd(dz12,fscal,fjz2);
529 /**************************
530 * CALCULATE INTERACTIONS *
531 **************************/
533 r20 = _mm_mul_pd(rsq20,rinv20);
535 /* EWALD ELECTROSTATICS */
537 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
538 ewrt = _mm_mul_pd(r20,ewtabscale);
539 ewitab = _mm_cvttpd_epi32(ewrt);
541 eweps = _mm_frcz_pd(ewrt);
543 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
545 twoeweps = _mm_add_pd(eweps,eweps);
546 ewitab = _mm_slli_epi32(ewitab,2);
547 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
548 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
549 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
550 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
551 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
552 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
553 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
554 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
555 velec = _mm_mul_pd(qq20,_mm_sub_pd(rinv20,velec));
556 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
558 /* Update potential sum for this i atom from the interaction with this j atom. */
559 velecsum = _mm_add_pd(velecsum,velec);
563 /* Update vectorial force */
564 fix2 = _mm_macc_pd(dx20,fscal,fix2);
565 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
566 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
568 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
569 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
570 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
572 /**************************
573 * CALCULATE INTERACTIONS *
574 **************************/
576 r21 = _mm_mul_pd(rsq21,rinv21);
578 /* EWALD ELECTROSTATICS */
580 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
581 ewrt = _mm_mul_pd(r21,ewtabscale);
582 ewitab = _mm_cvttpd_epi32(ewrt);
584 eweps = _mm_frcz_pd(ewrt);
586 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
588 twoeweps = _mm_add_pd(eweps,eweps);
589 ewitab = _mm_slli_epi32(ewitab,2);
590 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
591 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
592 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
593 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
594 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
595 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
596 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
597 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
598 velec = _mm_mul_pd(qq21,_mm_sub_pd(rinv21,velec));
599 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
601 /* Update potential sum for this i atom from the interaction with this j atom. */
602 velecsum = _mm_add_pd(velecsum,velec);
606 /* Update vectorial force */
607 fix2 = _mm_macc_pd(dx21,fscal,fix2);
608 fiy2 = _mm_macc_pd(dy21,fscal,fiy2);
609 fiz2 = _mm_macc_pd(dz21,fscal,fiz2);
611 fjx1 = _mm_macc_pd(dx21,fscal,fjx1);
612 fjy1 = _mm_macc_pd(dy21,fscal,fjy1);
613 fjz1 = _mm_macc_pd(dz21,fscal,fjz1);
615 /**************************
616 * CALCULATE INTERACTIONS *
617 **************************/
619 r22 = _mm_mul_pd(rsq22,rinv22);
621 /* EWALD ELECTROSTATICS */
623 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
624 ewrt = _mm_mul_pd(r22,ewtabscale);
625 ewitab = _mm_cvttpd_epi32(ewrt);
627 eweps = _mm_frcz_pd(ewrt);
629 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
631 twoeweps = _mm_add_pd(eweps,eweps);
632 ewitab = _mm_slli_epi32(ewitab,2);
633 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
634 ewtabD = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,1) );
635 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
636 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
637 ewtabFn = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,1) +2);
638 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
639 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
640 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
641 velec = _mm_mul_pd(qq22,_mm_sub_pd(rinv22,velec));
642 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
644 /* Update potential sum for this i atom from the interaction with this j atom. */
645 velecsum = _mm_add_pd(velecsum,velec);
649 /* Update vectorial force */
650 fix2 = _mm_macc_pd(dx22,fscal,fix2);
651 fiy2 = _mm_macc_pd(dy22,fscal,fiy2);
652 fiz2 = _mm_macc_pd(dz22,fscal,fiz2);
654 fjx2 = _mm_macc_pd(dx22,fscal,fjx2);
655 fjy2 = _mm_macc_pd(dy22,fscal,fjy2);
656 fjz2 = _mm_macc_pd(dz22,fscal,fjz2);
658 gmx_mm_decrement_3rvec_2ptr_swizzle_pd(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
660 /* Inner loop uses 396 flops */
667 j_coord_offsetA = DIM*jnrA;
669 /* load j atom coordinates */
670 gmx_mm_load_3rvec_1ptr_swizzle_pd(x+j_coord_offsetA,
671 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
673 /* Calculate displacement vector */
674 dx00 = _mm_sub_pd(ix0,jx0);
675 dy00 = _mm_sub_pd(iy0,jy0);
676 dz00 = _mm_sub_pd(iz0,jz0);
677 dx01 = _mm_sub_pd(ix0,jx1);
678 dy01 = _mm_sub_pd(iy0,jy1);
679 dz01 = _mm_sub_pd(iz0,jz1);
680 dx02 = _mm_sub_pd(ix0,jx2);
681 dy02 = _mm_sub_pd(iy0,jy2);
682 dz02 = _mm_sub_pd(iz0,jz2);
683 dx10 = _mm_sub_pd(ix1,jx0);
684 dy10 = _mm_sub_pd(iy1,jy0);
685 dz10 = _mm_sub_pd(iz1,jz0);
686 dx11 = _mm_sub_pd(ix1,jx1);
687 dy11 = _mm_sub_pd(iy1,jy1);
688 dz11 = _mm_sub_pd(iz1,jz1);
689 dx12 = _mm_sub_pd(ix1,jx2);
690 dy12 = _mm_sub_pd(iy1,jy2);
691 dz12 = _mm_sub_pd(iz1,jz2);
692 dx20 = _mm_sub_pd(ix2,jx0);
693 dy20 = _mm_sub_pd(iy2,jy0);
694 dz20 = _mm_sub_pd(iz2,jz0);
695 dx21 = _mm_sub_pd(ix2,jx1);
696 dy21 = _mm_sub_pd(iy2,jy1);
697 dz21 = _mm_sub_pd(iz2,jz1);
698 dx22 = _mm_sub_pd(ix2,jx2);
699 dy22 = _mm_sub_pd(iy2,jy2);
700 dz22 = _mm_sub_pd(iz2,jz2);
702 /* Calculate squared distance and things based on it */
703 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
704 rsq01 = gmx_mm_calc_rsq_pd(dx01,dy01,dz01);
705 rsq02 = gmx_mm_calc_rsq_pd(dx02,dy02,dz02);
706 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
707 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
708 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
709 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
710 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
711 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
713 rinv00 = gmx_mm_invsqrt_pd(rsq00);
714 rinv01 = gmx_mm_invsqrt_pd(rsq01);
715 rinv02 = gmx_mm_invsqrt_pd(rsq02);
716 rinv10 = gmx_mm_invsqrt_pd(rsq10);
717 rinv11 = gmx_mm_invsqrt_pd(rsq11);
718 rinv12 = gmx_mm_invsqrt_pd(rsq12);
719 rinv20 = gmx_mm_invsqrt_pd(rsq20);
720 rinv21 = gmx_mm_invsqrt_pd(rsq21);
721 rinv22 = gmx_mm_invsqrt_pd(rsq22);
723 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
724 rinvsq01 = _mm_mul_pd(rinv01,rinv01);
725 rinvsq02 = _mm_mul_pd(rinv02,rinv02);
726 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
727 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
728 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
729 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
730 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
731 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
733 fjx0 = _mm_setzero_pd();
734 fjy0 = _mm_setzero_pd();
735 fjz0 = _mm_setzero_pd();
736 fjx1 = _mm_setzero_pd();
737 fjy1 = _mm_setzero_pd();
738 fjz1 = _mm_setzero_pd();
739 fjx2 = _mm_setzero_pd();
740 fjy2 = _mm_setzero_pd();
741 fjz2 = _mm_setzero_pd();
743 /**************************
744 * CALCULATE INTERACTIONS *
745 **************************/
747 r00 = _mm_mul_pd(rsq00,rinv00);
749 /* EWALD ELECTROSTATICS */
751 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
752 ewrt = _mm_mul_pd(r00,ewtabscale);
753 ewitab = _mm_cvttpd_epi32(ewrt);
755 eweps = _mm_frcz_pd(ewrt);
757 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
759 twoeweps = _mm_add_pd(eweps,eweps);
760 ewitab = _mm_slli_epi32(ewitab,2);
761 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
762 ewtabD = _mm_setzero_pd();
763 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
764 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
765 ewtabFn = _mm_setzero_pd();
766 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
767 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
768 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
769 velec = _mm_mul_pd(qq00,_mm_sub_pd(rinv00,velec));
770 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
772 /* Update potential sum for this i atom from the interaction with this j atom. */
773 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
774 velecsum = _mm_add_pd(velecsum,velec);
778 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
780 /* Update vectorial force */
781 fix0 = _mm_macc_pd(dx00,fscal,fix0);
782 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
783 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
785 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
786 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
787 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
789 /**************************
790 * CALCULATE INTERACTIONS *
791 **************************/
793 r01 = _mm_mul_pd(rsq01,rinv01);
795 /* EWALD ELECTROSTATICS */
797 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
798 ewrt = _mm_mul_pd(r01,ewtabscale);
799 ewitab = _mm_cvttpd_epi32(ewrt);
801 eweps = _mm_frcz_pd(ewrt);
803 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
805 twoeweps = _mm_add_pd(eweps,eweps);
806 ewitab = _mm_slli_epi32(ewitab,2);
807 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
808 ewtabD = _mm_setzero_pd();
809 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
810 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
811 ewtabFn = _mm_setzero_pd();
812 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
813 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
814 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
815 velec = _mm_mul_pd(qq01,_mm_sub_pd(rinv01,velec));
816 felec = _mm_mul_pd(_mm_mul_pd(qq01,rinv01),_mm_sub_pd(rinvsq01,felec));
818 /* Update potential sum for this i atom from the interaction with this j atom. */
819 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
820 velecsum = _mm_add_pd(velecsum,velec);
824 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
826 /* Update vectorial force */
827 fix0 = _mm_macc_pd(dx01,fscal,fix0);
828 fiy0 = _mm_macc_pd(dy01,fscal,fiy0);
829 fiz0 = _mm_macc_pd(dz01,fscal,fiz0);
831 fjx1 = _mm_macc_pd(dx01,fscal,fjx1);
832 fjy1 = _mm_macc_pd(dy01,fscal,fjy1);
833 fjz1 = _mm_macc_pd(dz01,fscal,fjz1);
835 /**************************
836 * CALCULATE INTERACTIONS *
837 **************************/
839 r02 = _mm_mul_pd(rsq02,rinv02);
841 /* EWALD ELECTROSTATICS */
843 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
844 ewrt = _mm_mul_pd(r02,ewtabscale);
845 ewitab = _mm_cvttpd_epi32(ewrt);
847 eweps = _mm_frcz_pd(ewrt);
849 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
851 twoeweps = _mm_add_pd(eweps,eweps);
852 ewitab = _mm_slli_epi32(ewitab,2);
853 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
854 ewtabD = _mm_setzero_pd();
855 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
856 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
857 ewtabFn = _mm_setzero_pd();
858 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
859 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
860 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
861 velec = _mm_mul_pd(qq02,_mm_sub_pd(rinv02,velec));
862 felec = _mm_mul_pd(_mm_mul_pd(qq02,rinv02),_mm_sub_pd(rinvsq02,felec));
864 /* Update potential sum for this i atom from the interaction with this j atom. */
865 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
866 velecsum = _mm_add_pd(velecsum,velec);
870 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
872 /* Update vectorial force */
873 fix0 = _mm_macc_pd(dx02,fscal,fix0);
874 fiy0 = _mm_macc_pd(dy02,fscal,fiy0);
875 fiz0 = _mm_macc_pd(dz02,fscal,fiz0);
877 fjx2 = _mm_macc_pd(dx02,fscal,fjx2);
878 fjy2 = _mm_macc_pd(dy02,fscal,fjy2);
879 fjz2 = _mm_macc_pd(dz02,fscal,fjz2);
881 /**************************
882 * CALCULATE INTERACTIONS *
883 **************************/
885 r10 = _mm_mul_pd(rsq10,rinv10);
887 /* EWALD ELECTROSTATICS */
889 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
890 ewrt = _mm_mul_pd(r10,ewtabscale);
891 ewitab = _mm_cvttpd_epi32(ewrt);
893 eweps = _mm_frcz_pd(ewrt);
895 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
897 twoeweps = _mm_add_pd(eweps,eweps);
898 ewitab = _mm_slli_epi32(ewitab,2);
899 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
900 ewtabD = _mm_setzero_pd();
901 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
902 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
903 ewtabFn = _mm_setzero_pd();
904 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
905 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
906 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
907 velec = _mm_mul_pd(qq10,_mm_sub_pd(rinv10,velec));
908 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
910 /* Update potential sum for this i atom from the interaction with this j atom. */
911 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
912 velecsum = _mm_add_pd(velecsum,velec);
916 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
918 /* Update vectorial force */
919 fix1 = _mm_macc_pd(dx10,fscal,fix1);
920 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
921 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
923 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
924 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
925 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
927 /**************************
928 * CALCULATE INTERACTIONS *
929 **************************/
931 r11 = _mm_mul_pd(rsq11,rinv11);
933 /* EWALD ELECTROSTATICS */
935 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
936 ewrt = _mm_mul_pd(r11,ewtabscale);
937 ewitab = _mm_cvttpd_epi32(ewrt);
939 eweps = _mm_frcz_pd(ewrt);
941 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
943 twoeweps = _mm_add_pd(eweps,eweps);
944 ewitab = _mm_slli_epi32(ewitab,2);
945 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
946 ewtabD = _mm_setzero_pd();
947 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
948 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
949 ewtabFn = _mm_setzero_pd();
950 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
951 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
952 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
953 velec = _mm_mul_pd(qq11,_mm_sub_pd(rinv11,velec));
954 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
956 /* Update potential sum for this i atom from the interaction with this j atom. */
957 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
958 velecsum = _mm_add_pd(velecsum,velec);
962 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
964 /* Update vectorial force */
965 fix1 = _mm_macc_pd(dx11,fscal,fix1);
966 fiy1 = _mm_macc_pd(dy11,fscal,fiy1);
967 fiz1 = _mm_macc_pd(dz11,fscal,fiz1);
969 fjx1 = _mm_macc_pd(dx11,fscal,fjx1);
970 fjy1 = _mm_macc_pd(dy11,fscal,fjy1);
971 fjz1 = _mm_macc_pd(dz11,fscal,fjz1);
973 /**************************
974 * CALCULATE INTERACTIONS *
975 **************************/
977 r12 = _mm_mul_pd(rsq12,rinv12);
979 /* EWALD ELECTROSTATICS */
981 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
982 ewrt = _mm_mul_pd(r12,ewtabscale);
983 ewitab = _mm_cvttpd_epi32(ewrt);
985 eweps = _mm_frcz_pd(ewrt);
987 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
989 twoeweps = _mm_add_pd(eweps,eweps);
990 ewitab = _mm_slli_epi32(ewitab,2);
991 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
992 ewtabD = _mm_setzero_pd();
993 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
994 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
995 ewtabFn = _mm_setzero_pd();
996 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
997 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
998 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
999 velec = _mm_mul_pd(qq12,_mm_sub_pd(rinv12,velec));
1000 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
1002 /* Update potential sum for this i atom from the interaction with this j atom. */
1003 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1004 velecsum = _mm_add_pd(velecsum,velec);
1008 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1010 /* Update vectorial force */
1011 fix1 = _mm_macc_pd(dx12,fscal,fix1);
1012 fiy1 = _mm_macc_pd(dy12,fscal,fiy1);
1013 fiz1 = _mm_macc_pd(dz12,fscal,fiz1);
1015 fjx2 = _mm_macc_pd(dx12,fscal,fjx2);
1016 fjy2 = _mm_macc_pd(dy12,fscal,fjy2);
1017 fjz2 = _mm_macc_pd(dz12,fscal,fjz2);
1019 /**************************
1020 * CALCULATE INTERACTIONS *
1021 **************************/
1023 r20 = _mm_mul_pd(rsq20,rinv20);
1025 /* EWALD ELECTROSTATICS */
1027 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1028 ewrt = _mm_mul_pd(r20,ewtabscale);
1029 ewitab = _mm_cvttpd_epi32(ewrt);
1031 eweps = _mm_frcz_pd(ewrt);
1033 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1035 twoeweps = _mm_add_pd(eweps,eweps);
1036 ewitab = _mm_slli_epi32(ewitab,2);
1037 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
1038 ewtabD = _mm_setzero_pd();
1039 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1040 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
1041 ewtabFn = _mm_setzero_pd();
1042 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1043 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
1044 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
1045 velec = _mm_mul_pd(qq20,_mm_sub_pd(rinv20,velec));
1046 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
1048 /* Update potential sum for this i atom from the interaction with this j atom. */
1049 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1050 velecsum = _mm_add_pd(velecsum,velec);
1054 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1056 /* Update vectorial force */
1057 fix2 = _mm_macc_pd(dx20,fscal,fix2);
1058 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
1059 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
1061 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
1062 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
1063 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
1065 /**************************
1066 * CALCULATE INTERACTIONS *
1067 **************************/
1069 r21 = _mm_mul_pd(rsq21,rinv21);
1071 /* EWALD ELECTROSTATICS */
1073 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1074 ewrt = _mm_mul_pd(r21,ewtabscale);
1075 ewitab = _mm_cvttpd_epi32(ewrt);
1077 eweps = _mm_frcz_pd(ewrt);
1079 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1081 twoeweps = _mm_add_pd(eweps,eweps);
1082 ewitab = _mm_slli_epi32(ewitab,2);
1083 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
1084 ewtabD = _mm_setzero_pd();
1085 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1086 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
1087 ewtabFn = _mm_setzero_pd();
1088 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1089 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
1090 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
1091 velec = _mm_mul_pd(qq21,_mm_sub_pd(rinv21,velec));
1092 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
1094 /* Update potential sum for this i atom from the interaction with this j atom. */
1095 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1096 velecsum = _mm_add_pd(velecsum,velec);
1100 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1102 /* Update vectorial force */
1103 fix2 = _mm_macc_pd(dx21,fscal,fix2);
1104 fiy2 = _mm_macc_pd(dy21,fscal,fiy2);
1105 fiz2 = _mm_macc_pd(dz21,fscal,fiz2);
1107 fjx1 = _mm_macc_pd(dx21,fscal,fjx1);
1108 fjy1 = _mm_macc_pd(dy21,fscal,fjy1);
1109 fjz1 = _mm_macc_pd(dz21,fscal,fjz1);
1111 /**************************
1112 * CALCULATE INTERACTIONS *
1113 **************************/
1115 r22 = _mm_mul_pd(rsq22,rinv22);
1117 /* EWALD ELECTROSTATICS */
1119 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1120 ewrt = _mm_mul_pd(r22,ewtabscale);
1121 ewitab = _mm_cvttpd_epi32(ewrt);
1123 eweps = _mm_frcz_pd(ewrt);
1125 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1127 twoeweps = _mm_add_pd(eweps,eweps);
1128 ewitab = _mm_slli_epi32(ewitab,2);
1129 ewtabF = _mm_load_pd( ewtab + _mm_extract_epi32(ewitab,0) );
1130 ewtabD = _mm_setzero_pd();
1131 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1132 ewtabV = _mm_load_sd( ewtab + _mm_extract_epi32(ewitab,0) +2);
1133 ewtabFn = _mm_setzero_pd();
1134 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1135 felec = _mm_macc_pd(eweps,ewtabD,ewtabF);
1136 velec = _mm_nmacc_pd(_mm_mul_pd(ewtabhalfspace,eweps) ,_mm_add_pd(ewtabF,felec), ewtabV);
1137 velec = _mm_mul_pd(qq22,_mm_sub_pd(rinv22,velec));
1138 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
1140 /* Update potential sum for this i atom from the interaction with this j atom. */
1141 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1142 velecsum = _mm_add_pd(velecsum,velec);
1146 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1148 /* Update vectorial force */
1149 fix2 = _mm_macc_pd(dx22,fscal,fix2);
1150 fiy2 = _mm_macc_pd(dy22,fscal,fiy2);
1151 fiz2 = _mm_macc_pd(dz22,fscal,fiz2);
1153 fjx2 = _mm_macc_pd(dx22,fscal,fjx2);
1154 fjy2 = _mm_macc_pd(dy22,fscal,fjy2);
1155 fjz2 = _mm_macc_pd(dz22,fscal,fjz2);
1157 gmx_mm_decrement_3rvec_1ptr_swizzle_pd(f+j_coord_offsetA,fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1159 /* Inner loop uses 396 flops */
1162 /* End of innermost loop */
1164 gmx_mm_update_iforce_3atom_swizzle_pd(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1165 f+i_coord_offset,fshift+i_shift_offset);
1168 /* Update potential energies */
1169 gmx_mm_update_1pot_pd(velecsum,kernel_data->energygrp_elec+ggid);
1171 /* Increment number of inner iterations */
1172 inneriter += j_index_end - j_index_start;
1174 /* Outer loop uses 19 flops */
1177 /* Increment number of outer iterations */
1180 /* Update outer/inner flops */
1182 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3W3_VF,outeriter*19 + inneriter*396);
1185 * Gromacs nonbonded kernel: nb_kernel_ElecEw_VdwNone_GeomW3W3_F_avx_128_fma_double
1186 * Electrostatics interaction: Ewald
1187 * VdW interaction: None
1188 * Geometry: Water3-Water3
1189 * Calculate force/pot: Force
1192 nb_kernel_ElecEw_VdwNone_GeomW3W3_F_avx_128_fma_double
1193 (t_nblist * gmx_restrict nlist,
1194 rvec * gmx_restrict xx,
1195 rvec * gmx_restrict ff,
1196 t_forcerec * gmx_restrict fr,
1197 t_mdatoms * gmx_restrict mdatoms,
1198 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
1199 t_nrnb * gmx_restrict nrnb)
1201 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1202 * just 0 for non-waters.
1203 * Suffixes A,B refer to j loop unrolling done with SSE double precision, e.g. for the two different
1204 * jnr indices corresponding to data put in the four positions in the SIMD register.
1206 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1207 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1209 int j_coord_offsetA,j_coord_offsetB;
1210 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1211 real rcutoff_scalar;
1212 real *shiftvec,*fshift,*x,*f;
1213 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
1215 __m128d ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
1217 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1219 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1220 int vdwjidx0A,vdwjidx0B;
1221 __m128d jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
1222 int vdwjidx1A,vdwjidx1B;
1223 __m128d jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1224 int vdwjidx2A,vdwjidx2B;
1225 __m128d jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1226 __m128d dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
1227 __m128d dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
1228 __m128d dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
1229 __m128d dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
1230 __m128d dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1231 __m128d dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1232 __m128d dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
1233 __m128d dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1234 __m128d dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1235 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
1238 __m128d ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
1240 __m128d dummy_mask,cutoff_mask;
1241 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
1242 __m128d one = _mm_set1_pd(1.0);
1243 __m128d two = _mm_set1_pd(2.0);
1249 jindex = nlist->jindex;
1251 shiftidx = nlist->shift;
1253 shiftvec = fr->shift_vec[0];
1254 fshift = fr->fshift[0];
1255 facel = _mm_set1_pd(fr->epsfac);
1256 charge = mdatoms->chargeA;
1258 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
1259 ewtab = fr->ic->tabq_coul_F;
1260 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
1261 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
1263 /* Setup water-specific parameters */
1264 inr = nlist->iinr[0];
1265 iq0 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+0]));
1266 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
1267 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
1269 jq0 = _mm_set1_pd(charge[inr+0]);
1270 jq1 = _mm_set1_pd(charge[inr+1]);
1271 jq2 = _mm_set1_pd(charge[inr+2]);
1272 qq00 = _mm_mul_pd(iq0,jq0);
1273 qq01 = _mm_mul_pd(iq0,jq1);
1274 qq02 = _mm_mul_pd(iq0,jq2);
1275 qq10 = _mm_mul_pd(iq1,jq0);
1276 qq11 = _mm_mul_pd(iq1,jq1);
1277 qq12 = _mm_mul_pd(iq1,jq2);
1278 qq20 = _mm_mul_pd(iq2,jq0);
1279 qq21 = _mm_mul_pd(iq2,jq1);
1280 qq22 = _mm_mul_pd(iq2,jq2);
1282 /* Avoid stupid compiler warnings */
1284 j_coord_offsetA = 0;
1285 j_coord_offsetB = 0;
1290 /* Start outer loop over neighborlists */
1291 for(iidx=0; iidx<nri; iidx++)
1293 /* Load shift vector for this list */
1294 i_shift_offset = DIM*shiftidx[iidx];
1296 /* Load limits for loop over neighbors */
1297 j_index_start = jindex[iidx];
1298 j_index_end = jindex[iidx+1];
1300 /* Get outer coordinate index */
1302 i_coord_offset = DIM*inr;
1304 /* Load i particle coords and add shift vector */
1305 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset,
1306 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
1308 fix0 = _mm_setzero_pd();
1309 fiy0 = _mm_setzero_pd();
1310 fiz0 = _mm_setzero_pd();
1311 fix1 = _mm_setzero_pd();
1312 fiy1 = _mm_setzero_pd();
1313 fiz1 = _mm_setzero_pd();
1314 fix2 = _mm_setzero_pd();
1315 fiy2 = _mm_setzero_pd();
1316 fiz2 = _mm_setzero_pd();
1318 /* Start inner kernel loop */
1319 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
1322 /* Get j neighbor index, and coordinate index */
1324 jnrB = jjnr[jidx+1];
1325 j_coord_offsetA = DIM*jnrA;
1326 j_coord_offsetB = DIM*jnrB;
1328 /* load j atom coordinates */
1329 gmx_mm_load_3rvec_2ptr_swizzle_pd(x+j_coord_offsetA,x+j_coord_offsetB,
1330 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1332 /* Calculate displacement vector */
1333 dx00 = _mm_sub_pd(ix0,jx0);
1334 dy00 = _mm_sub_pd(iy0,jy0);
1335 dz00 = _mm_sub_pd(iz0,jz0);
1336 dx01 = _mm_sub_pd(ix0,jx1);
1337 dy01 = _mm_sub_pd(iy0,jy1);
1338 dz01 = _mm_sub_pd(iz0,jz1);
1339 dx02 = _mm_sub_pd(ix0,jx2);
1340 dy02 = _mm_sub_pd(iy0,jy2);
1341 dz02 = _mm_sub_pd(iz0,jz2);
1342 dx10 = _mm_sub_pd(ix1,jx0);
1343 dy10 = _mm_sub_pd(iy1,jy0);
1344 dz10 = _mm_sub_pd(iz1,jz0);
1345 dx11 = _mm_sub_pd(ix1,jx1);
1346 dy11 = _mm_sub_pd(iy1,jy1);
1347 dz11 = _mm_sub_pd(iz1,jz1);
1348 dx12 = _mm_sub_pd(ix1,jx2);
1349 dy12 = _mm_sub_pd(iy1,jy2);
1350 dz12 = _mm_sub_pd(iz1,jz2);
1351 dx20 = _mm_sub_pd(ix2,jx0);
1352 dy20 = _mm_sub_pd(iy2,jy0);
1353 dz20 = _mm_sub_pd(iz2,jz0);
1354 dx21 = _mm_sub_pd(ix2,jx1);
1355 dy21 = _mm_sub_pd(iy2,jy1);
1356 dz21 = _mm_sub_pd(iz2,jz1);
1357 dx22 = _mm_sub_pd(ix2,jx2);
1358 dy22 = _mm_sub_pd(iy2,jy2);
1359 dz22 = _mm_sub_pd(iz2,jz2);
1361 /* Calculate squared distance and things based on it */
1362 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
1363 rsq01 = gmx_mm_calc_rsq_pd(dx01,dy01,dz01);
1364 rsq02 = gmx_mm_calc_rsq_pd(dx02,dy02,dz02);
1365 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
1366 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
1367 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
1368 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
1369 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
1370 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
1372 rinv00 = gmx_mm_invsqrt_pd(rsq00);
1373 rinv01 = gmx_mm_invsqrt_pd(rsq01);
1374 rinv02 = gmx_mm_invsqrt_pd(rsq02);
1375 rinv10 = gmx_mm_invsqrt_pd(rsq10);
1376 rinv11 = gmx_mm_invsqrt_pd(rsq11);
1377 rinv12 = gmx_mm_invsqrt_pd(rsq12);
1378 rinv20 = gmx_mm_invsqrt_pd(rsq20);
1379 rinv21 = gmx_mm_invsqrt_pd(rsq21);
1380 rinv22 = gmx_mm_invsqrt_pd(rsq22);
1382 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
1383 rinvsq01 = _mm_mul_pd(rinv01,rinv01);
1384 rinvsq02 = _mm_mul_pd(rinv02,rinv02);
1385 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
1386 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
1387 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
1388 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
1389 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
1390 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
1392 fjx0 = _mm_setzero_pd();
1393 fjy0 = _mm_setzero_pd();
1394 fjz0 = _mm_setzero_pd();
1395 fjx1 = _mm_setzero_pd();
1396 fjy1 = _mm_setzero_pd();
1397 fjz1 = _mm_setzero_pd();
1398 fjx2 = _mm_setzero_pd();
1399 fjy2 = _mm_setzero_pd();
1400 fjz2 = _mm_setzero_pd();
1402 /**************************
1403 * CALCULATE INTERACTIONS *
1404 **************************/
1406 r00 = _mm_mul_pd(rsq00,rinv00);
1408 /* EWALD ELECTROSTATICS */
1410 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1411 ewrt = _mm_mul_pd(r00,ewtabscale);
1412 ewitab = _mm_cvttpd_epi32(ewrt);
1414 eweps = _mm_frcz_pd(ewrt);
1416 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1418 twoeweps = _mm_add_pd(eweps,eweps);
1419 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1421 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1422 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
1426 /* Update vectorial force */
1427 fix0 = _mm_macc_pd(dx00,fscal,fix0);
1428 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
1429 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
1431 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
1432 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
1433 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
1435 /**************************
1436 * CALCULATE INTERACTIONS *
1437 **************************/
1439 r01 = _mm_mul_pd(rsq01,rinv01);
1441 /* EWALD ELECTROSTATICS */
1443 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1444 ewrt = _mm_mul_pd(r01,ewtabscale);
1445 ewitab = _mm_cvttpd_epi32(ewrt);
1447 eweps = _mm_frcz_pd(ewrt);
1449 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1451 twoeweps = _mm_add_pd(eweps,eweps);
1452 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1454 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1455 felec = _mm_mul_pd(_mm_mul_pd(qq01,rinv01),_mm_sub_pd(rinvsq01,felec));
1459 /* Update vectorial force */
1460 fix0 = _mm_macc_pd(dx01,fscal,fix0);
1461 fiy0 = _mm_macc_pd(dy01,fscal,fiy0);
1462 fiz0 = _mm_macc_pd(dz01,fscal,fiz0);
1464 fjx1 = _mm_macc_pd(dx01,fscal,fjx1);
1465 fjy1 = _mm_macc_pd(dy01,fscal,fjy1);
1466 fjz1 = _mm_macc_pd(dz01,fscal,fjz1);
1468 /**************************
1469 * CALCULATE INTERACTIONS *
1470 **************************/
1472 r02 = _mm_mul_pd(rsq02,rinv02);
1474 /* EWALD ELECTROSTATICS */
1476 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1477 ewrt = _mm_mul_pd(r02,ewtabscale);
1478 ewitab = _mm_cvttpd_epi32(ewrt);
1480 eweps = _mm_frcz_pd(ewrt);
1482 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1484 twoeweps = _mm_add_pd(eweps,eweps);
1485 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1487 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1488 felec = _mm_mul_pd(_mm_mul_pd(qq02,rinv02),_mm_sub_pd(rinvsq02,felec));
1492 /* Update vectorial force */
1493 fix0 = _mm_macc_pd(dx02,fscal,fix0);
1494 fiy0 = _mm_macc_pd(dy02,fscal,fiy0);
1495 fiz0 = _mm_macc_pd(dz02,fscal,fiz0);
1497 fjx2 = _mm_macc_pd(dx02,fscal,fjx2);
1498 fjy2 = _mm_macc_pd(dy02,fscal,fjy2);
1499 fjz2 = _mm_macc_pd(dz02,fscal,fjz2);
1501 /**************************
1502 * CALCULATE INTERACTIONS *
1503 **************************/
1505 r10 = _mm_mul_pd(rsq10,rinv10);
1507 /* EWALD ELECTROSTATICS */
1509 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1510 ewrt = _mm_mul_pd(r10,ewtabscale);
1511 ewitab = _mm_cvttpd_epi32(ewrt);
1513 eweps = _mm_frcz_pd(ewrt);
1515 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1517 twoeweps = _mm_add_pd(eweps,eweps);
1518 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1520 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1521 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
1525 /* Update vectorial force */
1526 fix1 = _mm_macc_pd(dx10,fscal,fix1);
1527 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
1528 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
1530 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
1531 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
1532 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
1534 /**************************
1535 * CALCULATE INTERACTIONS *
1536 **************************/
1538 r11 = _mm_mul_pd(rsq11,rinv11);
1540 /* EWALD ELECTROSTATICS */
1542 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1543 ewrt = _mm_mul_pd(r11,ewtabscale);
1544 ewitab = _mm_cvttpd_epi32(ewrt);
1546 eweps = _mm_frcz_pd(ewrt);
1548 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1550 twoeweps = _mm_add_pd(eweps,eweps);
1551 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1553 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1554 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
1558 /* Update vectorial force */
1559 fix1 = _mm_macc_pd(dx11,fscal,fix1);
1560 fiy1 = _mm_macc_pd(dy11,fscal,fiy1);
1561 fiz1 = _mm_macc_pd(dz11,fscal,fiz1);
1563 fjx1 = _mm_macc_pd(dx11,fscal,fjx1);
1564 fjy1 = _mm_macc_pd(dy11,fscal,fjy1);
1565 fjz1 = _mm_macc_pd(dz11,fscal,fjz1);
1567 /**************************
1568 * CALCULATE INTERACTIONS *
1569 **************************/
1571 r12 = _mm_mul_pd(rsq12,rinv12);
1573 /* EWALD ELECTROSTATICS */
1575 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1576 ewrt = _mm_mul_pd(r12,ewtabscale);
1577 ewitab = _mm_cvttpd_epi32(ewrt);
1579 eweps = _mm_frcz_pd(ewrt);
1581 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1583 twoeweps = _mm_add_pd(eweps,eweps);
1584 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1586 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1587 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
1591 /* Update vectorial force */
1592 fix1 = _mm_macc_pd(dx12,fscal,fix1);
1593 fiy1 = _mm_macc_pd(dy12,fscal,fiy1);
1594 fiz1 = _mm_macc_pd(dz12,fscal,fiz1);
1596 fjx2 = _mm_macc_pd(dx12,fscal,fjx2);
1597 fjy2 = _mm_macc_pd(dy12,fscal,fjy2);
1598 fjz2 = _mm_macc_pd(dz12,fscal,fjz2);
1600 /**************************
1601 * CALCULATE INTERACTIONS *
1602 **************************/
1604 r20 = _mm_mul_pd(rsq20,rinv20);
1606 /* EWALD ELECTROSTATICS */
1608 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1609 ewrt = _mm_mul_pd(r20,ewtabscale);
1610 ewitab = _mm_cvttpd_epi32(ewrt);
1612 eweps = _mm_frcz_pd(ewrt);
1614 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1616 twoeweps = _mm_add_pd(eweps,eweps);
1617 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1619 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1620 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
1624 /* Update vectorial force */
1625 fix2 = _mm_macc_pd(dx20,fscal,fix2);
1626 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
1627 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
1629 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
1630 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
1631 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
1633 /**************************
1634 * CALCULATE INTERACTIONS *
1635 **************************/
1637 r21 = _mm_mul_pd(rsq21,rinv21);
1639 /* EWALD ELECTROSTATICS */
1641 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1642 ewrt = _mm_mul_pd(r21,ewtabscale);
1643 ewitab = _mm_cvttpd_epi32(ewrt);
1645 eweps = _mm_frcz_pd(ewrt);
1647 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1649 twoeweps = _mm_add_pd(eweps,eweps);
1650 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1652 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1653 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
1657 /* Update vectorial force */
1658 fix2 = _mm_macc_pd(dx21,fscal,fix2);
1659 fiy2 = _mm_macc_pd(dy21,fscal,fiy2);
1660 fiz2 = _mm_macc_pd(dz21,fscal,fiz2);
1662 fjx1 = _mm_macc_pd(dx21,fscal,fjx1);
1663 fjy1 = _mm_macc_pd(dy21,fscal,fjy1);
1664 fjz1 = _mm_macc_pd(dz21,fscal,fjz1);
1666 /**************************
1667 * CALCULATE INTERACTIONS *
1668 **************************/
1670 r22 = _mm_mul_pd(rsq22,rinv22);
1672 /* EWALD ELECTROSTATICS */
1674 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1675 ewrt = _mm_mul_pd(r22,ewtabscale);
1676 ewitab = _mm_cvttpd_epi32(ewrt);
1678 eweps = _mm_frcz_pd(ewrt);
1680 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1682 twoeweps = _mm_add_pd(eweps,eweps);
1683 gmx_mm_load_2pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),ewtab+_mm_extract_epi32(ewitab,1),
1685 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1686 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
1690 /* Update vectorial force */
1691 fix2 = _mm_macc_pd(dx22,fscal,fix2);
1692 fiy2 = _mm_macc_pd(dy22,fscal,fiy2);
1693 fiz2 = _mm_macc_pd(dz22,fscal,fiz2);
1695 fjx2 = _mm_macc_pd(dx22,fscal,fjx2);
1696 fjy2 = _mm_macc_pd(dy22,fscal,fjy2);
1697 fjz2 = _mm_macc_pd(dz22,fscal,fjz2);
1699 gmx_mm_decrement_3rvec_2ptr_swizzle_pd(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1701 /* Inner loop uses 351 flops */
1704 if(jidx<j_index_end)
1708 j_coord_offsetA = DIM*jnrA;
1710 /* load j atom coordinates */
1711 gmx_mm_load_3rvec_1ptr_swizzle_pd(x+j_coord_offsetA,
1712 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1714 /* Calculate displacement vector */
1715 dx00 = _mm_sub_pd(ix0,jx0);
1716 dy00 = _mm_sub_pd(iy0,jy0);
1717 dz00 = _mm_sub_pd(iz0,jz0);
1718 dx01 = _mm_sub_pd(ix0,jx1);
1719 dy01 = _mm_sub_pd(iy0,jy1);
1720 dz01 = _mm_sub_pd(iz0,jz1);
1721 dx02 = _mm_sub_pd(ix0,jx2);
1722 dy02 = _mm_sub_pd(iy0,jy2);
1723 dz02 = _mm_sub_pd(iz0,jz2);
1724 dx10 = _mm_sub_pd(ix1,jx0);
1725 dy10 = _mm_sub_pd(iy1,jy0);
1726 dz10 = _mm_sub_pd(iz1,jz0);
1727 dx11 = _mm_sub_pd(ix1,jx1);
1728 dy11 = _mm_sub_pd(iy1,jy1);
1729 dz11 = _mm_sub_pd(iz1,jz1);
1730 dx12 = _mm_sub_pd(ix1,jx2);
1731 dy12 = _mm_sub_pd(iy1,jy2);
1732 dz12 = _mm_sub_pd(iz1,jz2);
1733 dx20 = _mm_sub_pd(ix2,jx0);
1734 dy20 = _mm_sub_pd(iy2,jy0);
1735 dz20 = _mm_sub_pd(iz2,jz0);
1736 dx21 = _mm_sub_pd(ix2,jx1);
1737 dy21 = _mm_sub_pd(iy2,jy1);
1738 dz21 = _mm_sub_pd(iz2,jz1);
1739 dx22 = _mm_sub_pd(ix2,jx2);
1740 dy22 = _mm_sub_pd(iy2,jy2);
1741 dz22 = _mm_sub_pd(iz2,jz2);
1743 /* Calculate squared distance and things based on it */
1744 rsq00 = gmx_mm_calc_rsq_pd(dx00,dy00,dz00);
1745 rsq01 = gmx_mm_calc_rsq_pd(dx01,dy01,dz01);
1746 rsq02 = gmx_mm_calc_rsq_pd(dx02,dy02,dz02);
1747 rsq10 = gmx_mm_calc_rsq_pd(dx10,dy10,dz10);
1748 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
1749 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
1750 rsq20 = gmx_mm_calc_rsq_pd(dx20,dy20,dz20);
1751 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
1752 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
1754 rinv00 = gmx_mm_invsqrt_pd(rsq00);
1755 rinv01 = gmx_mm_invsqrt_pd(rsq01);
1756 rinv02 = gmx_mm_invsqrt_pd(rsq02);
1757 rinv10 = gmx_mm_invsqrt_pd(rsq10);
1758 rinv11 = gmx_mm_invsqrt_pd(rsq11);
1759 rinv12 = gmx_mm_invsqrt_pd(rsq12);
1760 rinv20 = gmx_mm_invsqrt_pd(rsq20);
1761 rinv21 = gmx_mm_invsqrt_pd(rsq21);
1762 rinv22 = gmx_mm_invsqrt_pd(rsq22);
1764 rinvsq00 = _mm_mul_pd(rinv00,rinv00);
1765 rinvsq01 = _mm_mul_pd(rinv01,rinv01);
1766 rinvsq02 = _mm_mul_pd(rinv02,rinv02);
1767 rinvsq10 = _mm_mul_pd(rinv10,rinv10);
1768 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
1769 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
1770 rinvsq20 = _mm_mul_pd(rinv20,rinv20);
1771 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
1772 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
1774 fjx0 = _mm_setzero_pd();
1775 fjy0 = _mm_setzero_pd();
1776 fjz0 = _mm_setzero_pd();
1777 fjx1 = _mm_setzero_pd();
1778 fjy1 = _mm_setzero_pd();
1779 fjz1 = _mm_setzero_pd();
1780 fjx2 = _mm_setzero_pd();
1781 fjy2 = _mm_setzero_pd();
1782 fjz2 = _mm_setzero_pd();
1784 /**************************
1785 * CALCULATE INTERACTIONS *
1786 **************************/
1788 r00 = _mm_mul_pd(rsq00,rinv00);
1790 /* EWALD ELECTROSTATICS */
1792 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1793 ewrt = _mm_mul_pd(r00,ewtabscale);
1794 ewitab = _mm_cvttpd_epi32(ewrt);
1796 eweps = _mm_frcz_pd(ewrt);
1798 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1800 twoeweps = _mm_add_pd(eweps,eweps);
1801 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1802 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1803 felec = _mm_mul_pd(_mm_mul_pd(qq00,rinv00),_mm_sub_pd(rinvsq00,felec));
1807 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1809 /* Update vectorial force */
1810 fix0 = _mm_macc_pd(dx00,fscal,fix0);
1811 fiy0 = _mm_macc_pd(dy00,fscal,fiy0);
1812 fiz0 = _mm_macc_pd(dz00,fscal,fiz0);
1814 fjx0 = _mm_macc_pd(dx00,fscal,fjx0);
1815 fjy0 = _mm_macc_pd(dy00,fscal,fjy0);
1816 fjz0 = _mm_macc_pd(dz00,fscal,fjz0);
1818 /**************************
1819 * CALCULATE INTERACTIONS *
1820 **************************/
1822 r01 = _mm_mul_pd(rsq01,rinv01);
1824 /* EWALD ELECTROSTATICS */
1826 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1827 ewrt = _mm_mul_pd(r01,ewtabscale);
1828 ewitab = _mm_cvttpd_epi32(ewrt);
1830 eweps = _mm_frcz_pd(ewrt);
1832 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1834 twoeweps = _mm_add_pd(eweps,eweps);
1835 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1836 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1837 felec = _mm_mul_pd(_mm_mul_pd(qq01,rinv01),_mm_sub_pd(rinvsq01,felec));
1841 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1843 /* Update vectorial force */
1844 fix0 = _mm_macc_pd(dx01,fscal,fix0);
1845 fiy0 = _mm_macc_pd(dy01,fscal,fiy0);
1846 fiz0 = _mm_macc_pd(dz01,fscal,fiz0);
1848 fjx1 = _mm_macc_pd(dx01,fscal,fjx1);
1849 fjy1 = _mm_macc_pd(dy01,fscal,fjy1);
1850 fjz1 = _mm_macc_pd(dz01,fscal,fjz1);
1852 /**************************
1853 * CALCULATE INTERACTIONS *
1854 **************************/
1856 r02 = _mm_mul_pd(rsq02,rinv02);
1858 /* EWALD ELECTROSTATICS */
1860 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1861 ewrt = _mm_mul_pd(r02,ewtabscale);
1862 ewitab = _mm_cvttpd_epi32(ewrt);
1864 eweps = _mm_frcz_pd(ewrt);
1866 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1868 twoeweps = _mm_add_pd(eweps,eweps);
1869 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1870 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1871 felec = _mm_mul_pd(_mm_mul_pd(qq02,rinv02),_mm_sub_pd(rinvsq02,felec));
1875 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1877 /* Update vectorial force */
1878 fix0 = _mm_macc_pd(dx02,fscal,fix0);
1879 fiy0 = _mm_macc_pd(dy02,fscal,fiy0);
1880 fiz0 = _mm_macc_pd(dz02,fscal,fiz0);
1882 fjx2 = _mm_macc_pd(dx02,fscal,fjx2);
1883 fjy2 = _mm_macc_pd(dy02,fscal,fjy2);
1884 fjz2 = _mm_macc_pd(dz02,fscal,fjz2);
1886 /**************************
1887 * CALCULATE INTERACTIONS *
1888 **************************/
1890 r10 = _mm_mul_pd(rsq10,rinv10);
1892 /* EWALD ELECTROSTATICS */
1894 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1895 ewrt = _mm_mul_pd(r10,ewtabscale);
1896 ewitab = _mm_cvttpd_epi32(ewrt);
1898 eweps = _mm_frcz_pd(ewrt);
1900 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1902 twoeweps = _mm_add_pd(eweps,eweps);
1903 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1904 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1905 felec = _mm_mul_pd(_mm_mul_pd(qq10,rinv10),_mm_sub_pd(rinvsq10,felec));
1909 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1911 /* Update vectorial force */
1912 fix1 = _mm_macc_pd(dx10,fscal,fix1);
1913 fiy1 = _mm_macc_pd(dy10,fscal,fiy1);
1914 fiz1 = _mm_macc_pd(dz10,fscal,fiz1);
1916 fjx0 = _mm_macc_pd(dx10,fscal,fjx0);
1917 fjy0 = _mm_macc_pd(dy10,fscal,fjy0);
1918 fjz0 = _mm_macc_pd(dz10,fscal,fjz0);
1920 /**************************
1921 * CALCULATE INTERACTIONS *
1922 **************************/
1924 r11 = _mm_mul_pd(rsq11,rinv11);
1926 /* EWALD ELECTROSTATICS */
1928 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1929 ewrt = _mm_mul_pd(r11,ewtabscale);
1930 ewitab = _mm_cvttpd_epi32(ewrt);
1932 eweps = _mm_frcz_pd(ewrt);
1934 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1936 twoeweps = _mm_add_pd(eweps,eweps);
1937 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1938 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1939 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
1943 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1945 /* Update vectorial force */
1946 fix1 = _mm_macc_pd(dx11,fscal,fix1);
1947 fiy1 = _mm_macc_pd(dy11,fscal,fiy1);
1948 fiz1 = _mm_macc_pd(dz11,fscal,fiz1);
1950 fjx1 = _mm_macc_pd(dx11,fscal,fjx1);
1951 fjy1 = _mm_macc_pd(dy11,fscal,fjy1);
1952 fjz1 = _mm_macc_pd(dz11,fscal,fjz1);
1954 /**************************
1955 * CALCULATE INTERACTIONS *
1956 **************************/
1958 r12 = _mm_mul_pd(rsq12,rinv12);
1960 /* EWALD ELECTROSTATICS */
1962 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1963 ewrt = _mm_mul_pd(r12,ewtabscale);
1964 ewitab = _mm_cvttpd_epi32(ewrt);
1966 eweps = _mm_frcz_pd(ewrt);
1968 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1970 twoeweps = _mm_add_pd(eweps,eweps);
1971 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
1972 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
1973 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
1977 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1979 /* Update vectorial force */
1980 fix1 = _mm_macc_pd(dx12,fscal,fix1);
1981 fiy1 = _mm_macc_pd(dy12,fscal,fiy1);
1982 fiz1 = _mm_macc_pd(dz12,fscal,fiz1);
1984 fjx2 = _mm_macc_pd(dx12,fscal,fjx2);
1985 fjy2 = _mm_macc_pd(dy12,fscal,fjy2);
1986 fjz2 = _mm_macc_pd(dz12,fscal,fjz2);
1988 /**************************
1989 * CALCULATE INTERACTIONS *
1990 **************************/
1992 r20 = _mm_mul_pd(rsq20,rinv20);
1994 /* EWALD ELECTROSTATICS */
1996 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1997 ewrt = _mm_mul_pd(r20,ewtabscale);
1998 ewitab = _mm_cvttpd_epi32(ewrt);
2000 eweps = _mm_frcz_pd(ewrt);
2002 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2004 twoeweps = _mm_add_pd(eweps,eweps);
2005 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2006 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
2007 felec = _mm_mul_pd(_mm_mul_pd(qq20,rinv20),_mm_sub_pd(rinvsq20,felec));
2011 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2013 /* Update vectorial force */
2014 fix2 = _mm_macc_pd(dx20,fscal,fix2);
2015 fiy2 = _mm_macc_pd(dy20,fscal,fiy2);
2016 fiz2 = _mm_macc_pd(dz20,fscal,fiz2);
2018 fjx0 = _mm_macc_pd(dx20,fscal,fjx0);
2019 fjy0 = _mm_macc_pd(dy20,fscal,fjy0);
2020 fjz0 = _mm_macc_pd(dz20,fscal,fjz0);
2022 /**************************
2023 * CALCULATE INTERACTIONS *
2024 **************************/
2026 r21 = _mm_mul_pd(rsq21,rinv21);
2028 /* EWALD ELECTROSTATICS */
2030 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2031 ewrt = _mm_mul_pd(r21,ewtabscale);
2032 ewitab = _mm_cvttpd_epi32(ewrt);
2034 eweps = _mm_frcz_pd(ewrt);
2036 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2038 twoeweps = _mm_add_pd(eweps,eweps);
2039 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2040 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
2041 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
2045 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2047 /* Update vectorial force */
2048 fix2 = _mm_macc_pd(dx21,fscal,fix2);
2049 fiy2 = _mm_macc_pd(dy21,fscal,fiy2);
2050 fiz2 = _mm_macc_pd(dz21,fscal,fiz2);
2052 fjx1 = _mm_macc_pd(dx21,fscal,fjx1);
2053 fjy1 = _mm_macc_pd(dy21,fscal,fjy1);
2054 fjz1 = _mm_macc_pd(dz21,fscal,fjz1);
2056 /**************************
2057 * CALCULATE INTERACTIONS *
2058 **************************/
2060 r22 = _mm_mul_pd(rsq22,rinv22);
2062 /* EWALD ELECTROSTATICS */
2064 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2065 ewrt = _mm_mul_pd(r22,ewtabscale);
2066 ewitab = _mm_cvttpd_epi32(ewrt);
2068 eweps = _mm_frcz_pd(ewrt);
2070 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2072 twoeweps = _mm_add_pd(eweps,eweps);
2073 gmx_mm_load_1pair_swizzle_pd(ewtab+_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2074 felec = _mm_macc_pd(eweps,ewtabFn,_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF));
2075 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
2079 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2081 /* Update vectorial force */
2082 fix2 = _mm_macc_pd(dx22,fscal,fix2);
2083 fiy2 = _mm_macc_pd(dy22,fscal,fiy2);
2084 fiz2 = _mm_macc_pd(dz22,fscal,fiz2);
2086 fjx2 = _mm_macc_pd(dx22,fscal,fjx2);
2087 fjy2 = _mm_macc_pd(dy22,fscal,fjy2);
2088 fjz2 = _mm_macc_pd(dz22,fscal,fjz2);
2090 gmx_mm_decrement_3rvec_1ptr_swizzle_pd(f+j_coord_offsetA,fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
2092 /* Inner loop uses 351 flops */
2095 /* End of innermost loop */
2097 gmx_mm_update_iforce_3atom_swizzle_pd(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
2098 f+i_coord_offset,fshift+i_shift_offset);
2100 /* Increment number of inner iterations */
2101 inneriter += j_index_end - j_index_start;
2103 /* Outer loop uses 18 flops */
2106 /* Increment number of outer iterations */
2109 /* Update outer/inner flops */
2111 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W3W3_F,outeriter*18 + inneriter*351);