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36 * Note: this file was generated by the GROMACS avx_128_fma_single 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_single.h"
48 #include "kernelutil_x86_avx_128_fma_single.h"
51 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW4W4_VF_avx_128_fma_single
52 * Electrostatics interaction: Ewald
53 * VdW interaction: None
54 * Geometry: Water4-Water4
55 * Calculate force/pot: PotentialAndForce
58 nb_kernel_ElecEwSh_VdwNone_GeomW4W4_VF_avx_128_fma_single
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,C,D refer to j loop unrolling done with AVX_128, e.g. for the four 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;
74 int jnrA,jnrB,jnrC,jnrD;
75 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
76 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
77 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
79 real *shiftvec,*fshift,*x,*f;
80 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
82 __m128 fscal,rcutoff,rcutoff2,jidxall;
84 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
86 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
88 __m128 ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
89 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
90 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
91 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
92 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
93 int vdwjidx3A,vdwjidx3B,vdwjidx3C,vdwjidx3D;
94 __m128 jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
95 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
96 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
97 __m128 dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
98 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
99 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
100 __m128 dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
101 __m128 dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
102 __m128 dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
103 __m128 dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
104 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
107 __m128 ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
108 __m128 beta,beta2,beta3,zeta2,pmecorrF,pmecorrV,rinv3;
110 __m128 dummy_mask,cutoff_mask;
111 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
112 __m128 one = _mm_set1_ps(1.0);
113 __m128 two = _mm_set1_ps(2.0);
119 jindex = nlist->jindex;
121 shiftidx = nlist->shift;
123 shiftvec = fr->shift_vec[0];
124 fshift = fr->fshift[0];
125 facel = _mm_set1_ps(fr->epsfac);
126 charge = mdatoms->chargeA;
128 sh_ewald = _mm_set1_ps(fr->ic->sh_ewald);
129 beta = _mm_set1_ps(fr->ic->ewaldcoeff_q);
130 beta2 = _mm_mul_ps(beta,beta);
131 beta3 = _mm_mul_ps(beta,beta2);
132 ewtab = fr->ic->tabq_coul_FDV0;
133 ewtabscale = _mm_set1_ps(fr->ic->tabq_scale);
134 ewtabhalfspace = _mm_set1_ps(0.5/fr->ic->tabq_scale);
136 /* Setup water-specific parameters */
137 inr = nlist->iinr[0];
138 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
139 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
140 iq3 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+3]));
142 jq1 = _mm_set1_ps(charge[inr+1]);
143 jq2 = _mm_set1_ps(charge[inr+2]);
144 jq3 = _mm_set1_ps(charge[inr+3]);
145 qq11 = _mm_mul_ps(iq1,jq1);
146 qq12 = _mm_mul_ps(iq1,jq2);
147 qq13 = _mm_mul_ps(iq1,jq3);
148 qq21 = _mm_mul_ps(iq2,jq1);
149 qq22 = _mm_mul_ps(iq2,jq2);
150 qq23 = _mm_mul_ps(iq2,jq3);
151 qq31 = _mm_mul_ps(iq3,jq1);
152 qq32 = _mm_mul_ps(iq3,jq2);
153 qq33 = _mm_mul_ps(iq3,jq3);
155 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
156 rcutoff_scalar = fr->rcoulomb;
157 rcutoff = _mm_set1_ps(rcutoff_scalar);
158 rcutoff2 = _mm_mul_ps(rcutoff,rcutoff);
160 /* Avoid stupid compiler warnings */
161 jnrA = jnrB = jnrC = jnrD = 0;
170 for(iidx=0;iidx<4*DIM;iidx++)
175 /* Start outer loop over neighborlists */
176 for(iidx=0; iidx<nri; iidx++)
178 /* Load shift vector for this list */
179 i_shift_offset = DIM*shiftidx[iidx];
181 /* Load limits for loop over neighbors */
182 j_index_start = jindex[iidx];
183 j_index_end = jindex[iidx+1];
185 /* Get outer coordinate index */
187 i_coord_offset = DIM*inr;
189 /* Load i particle coords and add shift vector */
190 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset+DIM,
191 &ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
193 fix1 = _mm_setzero_ps();
194 fiy1 = _mm_setzero_ps();
195 fiz1 = _mm_setzero_ps();
196 fix2 = _mm_setzero_ps();
197 fiy2 = _mm_setzero_ps();
198 fiz2 = _mm_setzero_ps();
199 fix3 = _mm_setzero_ps();
200 fiy3 = _mm_setzero_ps();
201 fiz3 = _mm_setzero_ps();
203 /* Reset potential sums */
204 velecsum = _mm_setzero_ps();
206 /* Start inner kernel loop */
207 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
210 /* Get j neighbor index, and coordinate index */
215 j_coord_offsetA = DIM*jnrA;
216 j_coord_offsetB = DIM*jnrB;
217 j_coord_offsetC = DIM*jnrC;
218 j_coord_offsetD = DIM*jnrD;
220 /* load j atom coordinates */
221 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
222 x+j_coord_offsetC+DIM,x+j_coord_offsetD+DIM,
223 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
225 /* Calculate displacement vector */
226 dx11 = _mm_sub_ps(ix1,jx1);
227 dy11 = _mm_sub_ps(iy1,jy1);
228 dz11 = _mm_sub_ps(iz1,jz1);
229 dx12 = _mm_sub_ps(ix1,jx2);
230 dy12 = _mm_sub_ps(iy1,jy2);
231 dz12 = _mm_sub_ps(iz1,jz2);
232 dx13 = _mm_sub_ps(ix1,jx3);
233 dy13 = _mm_sub_ps(iy1,jy3);
234 dz13 = _mm_sub_ps(iz1,jz3);
235 dx21 = _mm_sub_ps(ix2,jx1);
236 dy21 = _mm_sub_ps(iy2,jy1);
237 dz21 = _mm_sub_ps(iz2,jz1);
238 dx22 = _mm_sub_ps(ix2,jx2);
239 dy22 = _mm_sub_ps(iy2,jy2);
240 dz22 = _mm_sub_ps(iz2,jz2);
241 dx23 = _mm_sub_ps(ix2,jx3);
242 dy23 = _mm_sub_ps(iy2,jy3);
243 dz23 = _mm_sub_ps(iz2,jz3);
244 dx31 = _mm_sub_ps(ix3,jx1);
245 dy31 = _mm_sub_ps(iy3,jy1);
246 dz31 = _mm_sub_ps(iz3,jz1);
247 dx32 = _mm_sub_ps(ix3,jx2);
248 dy32 = _mm_sub_ps(iy3,jy2);
249 dz32 = _mm_sub_ps(iz3,jz2);
250 dx33 = _mm_sub_ps(ix3,jx3);
251 dy33 = _mm_sub_ps(iy3,jy3);
252 dz33 = _mm_sub_ps(iz3,jz3);
254 /* Calculate squared distance and things based on it */
255 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
256 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
257 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
258 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
259 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
260 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
261 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
262 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
263 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
265 rinv11 = gmx_mm_invsqrt_ps(rsq11);
266 rinv12 = gmx_mm_invsqrt_ps(rsq12);
267 rinv13 = gmx_mm_invsqrt_ps(rsq13);
268 rinv21 = gmx_mm_invsqrt_ps(rsq21);
269 rinv22 = gmx_mm_invsqrt_ps(rsq22);
270 rinv23 = gmx_mm_invsqrt_ps(rsq23);
271 rinv31 = gmx_mm_invsqrt_ps(rsq31);
272 rinv32 = gmx_mm_invsqrt_ps(rsq32);
273 rinv33 = gmx_mm_invsqrt_ps(rsq33);
275 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
276 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
277 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
278 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
279 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
280 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
281 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
282 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
283 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
285 fjx1 = _mm_setzero_ps();
286 fjy1 = _mm_setzero_ps();
287 fjz1 = _mm_setzero_ps();
288 fjx2 = _mm_setzero_ps();
289 fjy2 = _mm_setzero_ps();
290 fjz2 = _mm_setzero_ps();
291 fjx3 = _mm_setzero_ps();
292 fjy3 = _mm_setzero_ps();
293 fjz3 = _mm_setzero_ps();
295 /**************************
296 * CALCULATE INTERACTIONS *
297 **************************/
299 if (gmx_mm_any_lt(rsq11,rcutoff2))
302 r11 = _mm_mul_ps(rsq11,rinv11);
304 /* EWALD ELECTROSTATICS */
306 /* Analytical PME correction */
307 zeta2 = _mm_mul_ps(beta2,rsq11);
308 rinv3 = _mm_mul_ps(rinvsq11,rinv11);
309 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
310 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
311 felec = _mm_mul_ps(qq11,felec);
312 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
313 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv11,sh_ewald));
314 velec = _mm_mul_ps(qq11,velec);
316 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
318 /* Update potential sum for this i atom from the interaction with this j atom. */
319 velec = _mm_and_ps(velec,cutoff_mask);
320 velecsum = _mm_add_ps(velecsum,velec);
324 fscal = _mm_and_ps(fscal,cutoff_mask);
326 /* Update vectorial force */
327 fix1 = _mm_macc_ps(dx11,fscal,fix1);
328 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
329 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
331 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
332 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
333 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
337 /**************************
338 * CALCULATE INTERACTIONS *
339 **************************/
341 if (gmx_mm_any_lt(rsq12,rcutoff2))
344 r12 = _mm_mul_ps(rsq12,rinv12);
346 /* EWALD ELECTROSTATICS */
348 /* Analytical PME correction */
349 zeta2 = _mm_mul_ps(beta2,rsq12);
350 rinv3 = _mm_mul_ps(rinvsq12,rinv12);
351 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
352 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
353 felec = _mm_mul_ps(qq12,felec);
354 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
355 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv12,sh_ewald));
356 velec = _mm_mul_ps(qq12,velec);
358 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
360 /* Update potential sum for this i atom from the interaction with this j atom. */
361 velec = _mm_and_ps(velec,cutoff_mask);
362 velecsum = _mm_add_ps(velecsum,velec);
366 fscal = _mm_and_ps(fscal,cutoff_mask);
368 /* Update vectorial force */
369 fix1 = _mm_macc_ps(dx12,fscal,fix1);
370 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
371 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
373 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
374 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
375 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
379 /**************************
380 * CALCULATE INTERACTIONS *
381 **************************/
383 if (gmx_mm_any_lt(rsq13,rcutoff2))
386 r13 = _mm_mul_ps(rsq13,rinv13);
388 /* EWALD ELECTROSTATICS */
390 /* Analytical PME correction */
391 zeta2 = _mm_mul_ps(beta2,rsq13);
392 rinv3 = _mm_mul_ps(rinvsq13,rinv13);
393 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
394 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
395 felec = _mm_mul_ps(qq13,felec);
396 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
397 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv13,sh_ewald));
398 velec = _mm_mul_ps(qq13,velec);
400 cutoff_mask = _mm_cmplt_ps(rsq13,rcutoff2);
402 /* Update potential sum for this i atom from the interaction with this j atom. */
403 velec = _mm_and_ps(velec,cutoff_mask);
404 velecsum = _mm_add_ps(velecsum,velec);
408 fscal = _mm_and_ps(fscal,cutoff_mask);
410 /* Update vectorial force */
411 fix1 = _mm_macc_ps(dx13,fscal,fix1);
412 fiy1 = _mm_macc_ps(dy13,fscal,fiy1);
413 fiz1 = _mm_macc_ps(dz13,fscal,fiz1);
415 fjx3 = _mm_macc_ps(dx13,fscal,fjx3);
416 fjy3 = _mm_macc_ps(dy13,fscal,fjy3);
417 fjz3 = _mm_macc_ps(dz13,fscal,fjz3);
421 /**************************
422 * CALCULATE INTERACTIONS *
423 **************************/
425 if (gmx_mm_any_lt(rsq21,rcutoff2))
428 r21 = _mm_mul_ps(rsq21,rinv21);
430 /* EWALD ELECTROSTATICS */
432 /* Analytical PME correction */
433 zeta2 = _mm_mul_ps(beta2,rsq21);
434 rinv3 = _mm_mul_ps(rinvsq21,rinv21);
435 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
436 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
437 felec = _mm_mul_ps(qq21,felec);
438 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
439 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv21,sh_ewald));
440 velec = _mm_mul_ps(qq21,velec);
442 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
444 /* Update potential sum for this i atom from the interaction with this j atom. */
445 velec = _mm_and_ps(velec,cutoff_mask);
446 velecsum = _mm_add_ps(velecsum,velec);
450 fscal = _mm_and_ps(fscal,cutoff_mask);
452 /* Update vectorial force */
453 fix2 = _mm_macc_ps(dx21,fscal,fix2);
454 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
455 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
457 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
458 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
459 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
463 /**************************
464 * CALCULATE INTERACTIONS *
465 **************************/
467 if (gmx_mm_any_lt(rsq22,rcutoff2))
470 r22 = _mm_mul_ps(rsq22,rinv22);
472 /* EWALD ELECTROSTATICS */
474 /* Analytical PME correction */
475 zeta2 = _mm_mul_ps(beta2,rsq22);
476 rinv3 = _mm_mul_ps(rinvsq22,rinv22);
477 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
478 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
479 felec = _mm_mul_ps(qq22,felec);
480 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
481 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv22,sh_ewald));
482 velec = _mm_mul_ps(qq22,velec);
484 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
486 /* Update potential sum for this i atom from the interaction with this j atom. */
487 velec = _mm_and_ps(velec,cutoff_mask);
488 velecsum = _mm_add_ps(velecsum,velec);
492 fscal = _mm_and_ps(fscal,cutoff_mask);
494 /* Update vectorial force */
495 fix2 = _mm_macc_ps(dx22,fscal,fix2);
496 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
497 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
499 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
500 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
501 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
505 /**************************
506 * CALCULATE INTERACTIONS *
507 **************************/
509 if (gmx_mm_any_lt(rsq23,rcutoff2))
512 r23 = _mm_mul_ps(rsq23,rinv23);
514 /* EWALD ELECTROSTATICS */
516 /* Analytical PME correction */
517 zeta2 = _mm_mul_ps(beta2,rsq23);
518 rinv3 = _mm_mul_ps(rinvsq23,rinv23);
519 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
520 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
521 felec = _mm_mul_ps(qq23,felec);
522 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
523 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv23,sh_ewald));
524 velec = _mm_mul_ps(qq23,velec);
526 cutoff_mask = _mm_cmplt_ps(rsq23,rcutoff2);
528 /* Update potential sum for this i atom from the interaction with this j atom. */
529 velec = _mm_and_ps(velec,cutoff_mask);
530 velecsum = _mm_add_ps(velecsum,velec);
534 fscal = _mm_and_ps(fscal,cutoff_mask);
536 /* Update vectorial force */
537 fix2 = _mm_macc_ps(dx23,fscal,fix2);
538 fiy2 = _mm_macc_ps(dy23,fscal,fiy2);
539 fiz2 = _mm_macc_ps(dz23,fscal,fiz2);
541 fjx3 = _mm_macc_ps(dx23,fscal,fjx3);
542 fjy3 = _mm_macc_ps(dy23,fscal,fjy3);
543 fjz3 = _mm_macc_ps(dz23,fscal,fjz3);
547 /**************************
548 * CALCULATE INTERACTIONS *
549 **************************/
551 if (gmx_mm_any_lt(rsq31,rcutoff2))
554 r31 = _mm_mul_ps(rsq31,rinv31);
556 /* EWALD ELECTROSTATICS */
558 /* Analytical PME correction */
559 zeta2 = _mm_mul_ps(beta2,rsq31);
560 rinv3 = _mm_mul_ps(rinvsq31,rinv31);
561 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
562 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
563 felec = _mm_mul_ps(qq31,felec);
564 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
565 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv31,sh_ewald));
566 velec = _mm_mul_ps(qq31,velec);
568 cutoff_mask = _mm_cmplt_ps(rsq31,rcutoff2);
570 /* Update potential sum for this i atom from the interaction with this j atom. */
571 velec = _mm_and_ps(velec,cutoff_mask);
572 velecsum = _mm_add_ps(velecsum,velec);
576 fscal = _mm_and_ps(fscal,cutoff_mask);
578 /* Update vectorial force */
579 fix3 = _mm_macc_ps(dx31,fscal,fix3);
580 fiy3 = _mm_macc_ps(dy31,fscal,fiy3);
581 fiz3 = _mm_macc_ps(dz31,fscal,fiz3);
583 fjx1 = _mm_macc_ps(dx31,fscal,fjx1);
584 fjy1 = _mm_macc_ps(dy31,fscal,fjy1);
585 fjz1 = _mm_macc_ps(dz31,fscal,fjz1);
589 /**************************
590 * CALCULATE INTERACTIONS *
591 **************************/
593 if (gmx_mm_any_lt(rsq32,rcutoff2))
596 r32 = _mm_mul_ps(rsq32,rinv32);
598 /* EWALD ELECTROSTATICS */
600 /* Analytical PME correction */
601 zeta2 = _mm_mul_ps(beta2,rsq32);
602 rinv3 = _mm_mul_ps(rinvsq32,rinv32);
603 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
604 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
605 felec = _mm_mul_ps(qq32,felec);
606 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
607 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv32,sh_ewald));
608 velec = _mm_mul_ps(qq32,velec);
610 cutoff_mask = _mm_cmplt_ps(rsq32,rcutoff2);
612 /* Update potential sum for this i atom from the interaction with this j atom. */
613 velec = _mm_and_ps(velec,cutoff_mask);
614 velecsum = _mm_add_ps(velecsum,velec);
618 fscal = _mm_and_ps(fscal,cutoff_mask);
620 /* Update vectorial force */
621 fix3 = _mm_macc_ps(dx32,fscal,fix3);
622 fiy3 = _mm_macc_ps(dy32,fscal,fiy3);
623 fiz3 = _mm_macc_ps(dz32,fscal,fiz3);
625 fjx2 = _mm_macc_ps(dx32,fscal,fjx2);
626 fjy2 = _mm_macc_ps(dy32,fscal,fjy2);
627 fjz2 = _mm_macc_ps(dz32,fscal,fjz2);
631 /**************************
632 * CALCULATE INTERACTIONS *
633 **************************/
635 if (gmx_mm_any_lt(rsq33,rcutoff2))
638 r33 = _mm_mul_ps(rsq33,rinv33);
640 /* EWALD ELECTROSTATICS */
642 /* Analytical PME correction */
643 zeta2 = _mm_mul_ps(beta2,rsq33);
644 rinv3 = _mm_mul_ps(rinvsq33,rinv33);
645 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
646 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
647 felec = _mm_mul_ps(qq33,felec);
648 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
649 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv33,sh_ewald));
650 velec = _mm_mul_ps(qq33,velec);
652 cutoff_mask = _mm_cmplt_ps(rsq33,rcutoff2);
654 /* Update potential sum for this i atom from the interaction with this j atom. */
655 velec = _mm_and_ps(velec,cutoff_mask);
656 velecsum = _mm_add_ps(velecsum,velec);
660 fscal = _mm_and_ps(fscal,cutoff_mask);
662 /* Update vectorial force */
663 fix3 = _mm_macc_ps(dx33,fscal,fix3);
664 fiy3 = _mm_macc_ps(dy33,fscal,fiy3);
665 fiz3 = _mm_macc_ps(dz33,fscal,fiz3);
667 fjx3 = _mm_macc_ps(dx33,fscal,fjx3);
668 fjy3 = _mm_macc_ps(dy33,fscal,fjy3);
669 fjz3 = _mm_macc_ps(dz33,fscal,fjz3);
673 fjptrA = f+j_coord_offsetA;
674 fjptrB = f+j_coord_offsetB;
675 fjptrC = f+j_coord_offsetC;
676 fjptrD = f+j_coord_offsetD;
678 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA+DIM,fjptrB+DIM,fjptrC+DIM,fjptrD+DIM,
679 fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
681 /* Inner loop uses 297 flops */
687 /* Get j neighbor index, and coordinate index */
688 jnrlistA = jjnr[jidx];
689 jnrlistB = jjnr[jidx+1];
690 jnrlistC = jjnr[jidx+2];
691 jnrlistD = jjnr[jidx+3];
692 /* Sign of each element will be negative for non-real atoms.
693 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
694 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
696 dummy_mask = gmx_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
697 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
698 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
699 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
700 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
701 j_coord_offsetA = DIM*jnrA;
702 j_coord_offsetB = DIM*jnrB;
703 j_coord_offsetC = DIM*jnrC;
704 j_coord_offsetD = DIM*jnrD;
706 /* load j atom coordinates */
707 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
708 x+j_coord_offsetC+DIM,x+j_coord_offsetD+DIM,
709 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
711 /* Calculate displacement vector */
712 dx11 = _mm_sub_ps(ix1,jx1);
713 dy11 = _mm_sub_ps(iy1,jy1);
714 dz11 = _mm_sub_ps(iz1,jz1);
715 dx12 = _mm_sub_ps(ix1,jx2);
716 dy12 = _mm_sub_ps(iy1,jy2);
717 dz12 = _mm_sub_ps(iz1,jz2);
718 dx13 = _mm_sub_ps(ix1,jx3);
719 dy13 = _mm_sub_ps(iy1,jy3);
720 dz13 = _mm_sub_ps(iz1,jz3);
721 dx21 = _mm_sub_ps(ix2,jx1);
722 dy21 = _mm_sub_ps(iy2,jy1);
723 dz21 = _mm_sub_ps(iz2,jz1);
724 dx22 = _mm_sub_ps(ix2,jx2);
725 dy22 = _mm_sub_ps(iy2,jy2);
726 dz22 = _mm_sub_ps(iz2,jz2);
727 dx23 = _mm_sub_ps(ix2,jx3);
728 dy23 = _mm_sub_ps(iy2,jy3);
729 dz23 = _mm_sub_ps(iz2,jz3);
730 dx31 = _mm_sub_ps(ix3,jx1);
731 dy31 = _mm_sub_ps(iy3,jy1);
732 dz31 = _mm_sub_ps(iz3,jz1);
733 dx32 = _mm_sub_ps(ix3,jx2);
734 dy32 = _mm_sub_ps(iy3,jy2);
735 dz32 = _mm_sub_ps(iz3,jz2);
736 dx33 = _mm_sub_ps(ix3,jx3);
737 dy33 = _mm_sub_ps(iy3,jy3);
738 dz33 = _mm_sub_ps(iz3,jz3);
740 /* Calculate squared distance and things based on it */
741 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
742 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
743 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
744 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
745 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
746 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
747 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
748 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
749 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
751 rinv11 = gmx_mm_invsqrt_ps(rsq11);
752 rinv12 = gmx_mm_invsqrt_ps(rsq12);
753 rinv13 = gmx_mm_invsqrt_ps(rsq13);
754 rinv21 = gmx_mm_invsqrt_ps(rsq21);
755 rinv22 = gmx_mm_invsqrt_ps(rsq22);
756 rinv23 = gmx_mm_invsqrt_ps(rsq23);
757 rinv31 = gmx_mm_invsqrt_ps(rsq31);
758 rinv32 = gmx_mm_invsqrt_ps(rsq32);
759 rinv33 = gmx_mm_invsqrt_ps(rsq33);
761 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
762 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
763 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
764 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
765 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
766 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
767 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
768 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
769 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
771 fjx1 = _mm_setzero_ps();
772 fjy1 = _mm_setzero_ps();
773 fjz1 = _mm_setzero_ps();
774 fjx2 = _mm_setzero_ps();
775 fjy2 = _mm_setzero_ps();
776 fjz2 = _mm_setzero_ps();
777 fjx3 = _mm_setzero_ps();
778 fjy3 = _mm_setzero_ps();
779 fjz3 = _mm_setzero_ps();
781 /**************************
782 * CALCULATE INTERACTIONS *
783 **************************/
785 if (gmx_mm_any_lt(rsq11,rcutoff2))
788 r11 = _mm_mul_ps(rsq11,rinv11);
789 r11 = _mm_andnot_ps(dummy_mask,r11);
791 /* EWALD ELECTROSTATICS */
793 /* Analytical PME correction */
794 zeta2 = _mm_mul_ps(beta2,rsq11);
795 rinv3 = _mm_mul_ps(rinvsq11,rinv11);
796 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
797 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
798 felec = _mm_mul_ps(qq11,felec);
799 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
800 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv11,sh_ewald));
801 velec = _mm_mul_ps(qq11,velec);
803 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
805 /* Update potential sum for this i atom from the interaction with this j atom. */
806 velec = _mm_and_ps(velec,cutoff_mask);
807 velec = _mm_andnot_ps(dummy_mask,velec);
808 velecsum = _mm_add_ps(velecsum,velec);
812 fscal = _mm_and_ps(fscal,cutoff_mask);
814 fscal = _mm_andnot_ps(dummy_mask,fscal);
816 /* Update vectorial force */
817 fix1 = _mm_macc_ps(dx11,fscal,fix1);
818 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
819 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
821 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
822 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
823 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
827 /**************************
828 * CALCULATE INTERACTIONS *
829 **************************/
831 if (gmx_mm_any_lt(rsq12,rcutoff2))
834 r12 = _mm_mul_ps(rsq12,rinv12);
835 r12 = _mm_andnot_ps(dummy_mask,r12);
837 /* EWALD ELECTROSTATICS */
839 /* Analytical PME correction */
840 zeta2 = _mm_mul_ps(beta2,rsq12);
841 rinv3 = _mm_mul_ps(rinvsq12,rinv12);
842 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
843 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
844 felec = _mm_mul_ps(qq12,felec);
845 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
846 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv12,sh_ewald));
847 velec = _mm_mul_ps(qq12,velec);
849 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
851 /* Update potential sum for this i atom from the interaction with this j atom. */
852 velec = _mm_and_ps(velec,cutoff_mask);
853 velec = _mm_andnot_ps(dummy_mask,velec);
854 velecsum = _mm_add_ps(velecsum,velec);
858 fscal = _mm_and_ps(fscal,cutoff_mask);
860 fscal = _mm_andnot_ps(dummy_mask,fscal);
862 /* Update vectorial force */
863 fix1 = _mm_macc_ps(dx12,fscal,fix1);
864 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
865 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
867 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
868 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
869 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
873 /**************************
874 * CALCULATE INTERACTIONS *
875 **************************/
877 if (gmx_mm_any_lt(rsq13,rcutoff2))
880 r13 = _mm_mul_ps(rsq13,rinv13);
881 r13 = _mm_andnot_ps(dummy_mask,r13);
883 /* EWALD ELECTROSTATICS */
885 /* Analytical PME correction */
886 zeta2 = _mm_mul_ps(beta2,rsq13);
887 rinv3 = _mm_mul_ps(rinvsq13,rinv13);
888 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
889 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
890 felec = _mm_mul_ps(qq13,felec);
891 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
892 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv13,sh_ewald));
893 velec = _mm_mul_ps(qq13,velec);
895 cutoff_mask = _mm_cmplt_ps(rsq13,rcutoff2);
897 /* Update potential sum for this i atom from the interaction with this j atom. */
898 velec = _mm_and_ps(velec,cutoff_mask);
899 velec = _mm_andnot_ps(dummy_mask,velec);
900 velecsum = _mm_add_ps(velecsum,velec);
904 fscal = _mm_and_ps(fscal,cutoff_mask);
906 fscal = _mm_andnot_ps(dummy_mask,fscal);
908 /* Update vectorial force */
909 fix1 = _mm_macc_ps(dx13,fscal,fix1);
910 fiy1 = _mm_macc_ps(dy13,fscal,fiy1);
911 fiz1 = _mm_macc_ps(dz13,fscal,fiz1);
913 fjx3 = _mm_macc_ps(dx13,fscal,fjx3);
914 fjy3 = _mm_macc_ps(dy13,fscal,fjy3);
915 fjz3 = _mm_macc_ps(dz13,fscal,fjz3);
919 /**************************
920 * CALCULATE INTERACTIONS *
921 **************************/
923 if (gmx_mm_any_lt(rsq21,rcutoff2))
926 r21 = _mm_mul_ps(rsq21,rinv21);
927 r21 = _mm_andnot_ps(dummy_mask,r21);
929 /* EWALD ELECTROSTATICS */
931 /* Analytical PME correction */
932 zeta2 = _mm_mul_ps(beta2,rsq21);
933 rinv3 = _mm_mul_ps(rinvsq21,rinv21);
934 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
935 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
936 felec = _mm_mul_ps(qq21,felec);
937 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
938 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv21,sh_ewald));
939 velec = _mm_mul_ps(qq21,velec);
941 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
943 /* Update potential sum for this i atom from the interaction with this j atom. */
944 velec = _mm_and_ps(velec,cutoff_mask);
945 velec = _mm_andnot_ps(dummy_mask,velec);
946 velecsum = _mm_add_ps(velecsum,velec);
950 fscal = _mm_and_ps(fscal,cutoff_mask);
952 fscal = _mm_andnot_ps(dummy_mask,fscal);
954 /* Update vectorial force */
955 fix2 = _mm_macc_ps(dx21,fscal,fix2);
956 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
957 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
959 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
960 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
961 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
965 /**************************
966 * CALCULATE INTERACTIONS *
967 **************************/
969 if (gmx_mm_any_lt(rsq22,rcutoff2))
972 r22 = _mm_mul_ps(rsq22,rinv22);
973 r22 = _mm_andnot_ps(dummy_mask,r22);
975 /* EWALD ELECTROSTATICS */
977 /* Analytical PME correction */
978 zeta2 = _mm_mul_ps(beta2,rsq22);
979 rinv3 = _mm_mul_ps(rinvsq22,rinv22);
980 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
981 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
982 felec = _mm_mul_ps(qq22,felec);
983 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
984 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv22,sh_ewald));
985 velec = _mm_mul_ps(qq22,velec);
987 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
989 /* Update potential sum for this i atom from the interaction with this j atom. */
990 velec = _mm_and_ps(velec,cutoff_mask);
991 velec = _mm_andnot_ps(dummy_mask,velec);
992 velecsum = _mm_add_ps(velecsum,velec);
996 fscal = _mm_and_ps(fscal,cutoff_mask);
998 fscal = _mm_andnot_ps(dummy_mask,fscal);
1000 /* Update vectorial force */
1001 fix2 = _mm_macc_ps(dx22,fscal,fix2);
1002 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
1003 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
1005 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
1006 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
1007 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
1011 /**************************
1012 * CALCULATE INTERACTIONS *
1013 **************************/
1015 if (gmx_mm_any_lt(rsq23,rcutoff2))
1018 r23 = _mm_mul_ps(rsq23,rinv23);
1019 r23 = _mm_andnot_ps(dummy_mask,r23);
1021 /* EWALD ELECTROSTATICS */
1023 /* Analytical PME correction */
1024 zeta2 = _mm_mul_ps(beta2,rsq23);
1025 rinv3 = _mm_mul_ps(rinvsq23,rinv23);
1026 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1027 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1028 felec = _mm_mul_ps(qq23,felec);
1029 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
1030 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv23,sh_ewald));
1031 velec = _mm_mul_ps(qq23,velec);
1033 cutoff_mask = _mm_cmplt_ps(rsq23,rcutoff2);
1035 /* Update potential sum for this i atom from the interaction with this j atom. */
1036 velec = _mm_and_ps(velec,cutoff_mask);
1037 velec = _mm_andnot_ps(dummy_mask,velec);
1038 velecsum = _mm_add_ps(velecsum,velec);
1042 fscal = _mm_and_ps(fscal,cutoff_mask);
1044 fscal = _mm_andnot_ps(dummy_mask,fscal);
1046 /* Update vectorial force */
1047 fix2 = _mm_macc_ps(dx23,fscal,fix2);
1048 fiy2 = _mm_macc_ps(dy23,fscal,fiy2);
1049 fiz2 = _mm_macc_ps(dz23,fscal,fiz2);
1051 fjx3 = _mm_macc_ps(dx23,fscal,fjx3);
1052 fjy3 = _mm_macc_ps(dy23,fscal,fjy3);
1053 fjz3 = _mm_macc_ps(dz23,fscal,fjz3);
1057 /**************************
1058 * CALCULATE INTERACTIONS *
1059 **************************/
1061 if (gmx_mm_any_lt(rsq31,rcutoff2))
1064 r31 = _mm_mul_ps(rsq31,rinv31);
1065 r31 = _mm_andnot_ps(dummy_mask,r31);
1067 /* EWALD ELECTROSTATICS */
1069 /* Analytical PME correction */
1070 zeta2 = _mm_mul_ps(beta2,rsq31);
1071 rinv3 = _mm_mul_ps(rinvsq31,rinv31);
1072 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1073 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1074 felec = _mm_mul_ps(qq31,felec);
1075 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
1076 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv31,sh_ewald));
1077 velec = _mm_mul_ps(qq31,velec);
1079 cutoff_mask = _mm_cmplt_ps(rsq31,rcutoff2);
1081 /* Update potential sum for this i atom from the interaction with this j atom. */
1082 velec = _mm_and_ps(velec,cutoff_mask);
1083 velec = _mm_andnot_ps(dummy_mask,velec);
1084 velecsum = _mm_add_ps(velecsum,velec);
1088 fscal = _mm_and_ps(fscal,cutoff_mask);
1090 fscal = _mm_andnot_ps(dummy_mask,fscal);
1092 /* Update vectorial force */
1093 fix3 = _mm_macc_ps(dx31,fscal,fix3);
1094 fiy3 = _mm_macc_ps(dy31,fscal,fiy3);
1095 fiz3 = _mm_macc_ps(dz31,fscal,fiz3);
1097 fjx1 = _mm_macc_ps(dx31,fscal,fjx1);
1098 fjy1 = _mm_macc_ps(dy31,fscal,fjy1);
1099 fjz1 = _mm_macc_ps(dz31,fscal,fjz1);
1103 /**************************
1104 * CALCULATE INTERACTIONS *
1105 **************************/
1107 if (gmx_mm_any_lt(rsq32,rcutoff2))
1110 r32 = _mm_mul_ps(rsq32,rinv32);
1111 r32 = _mm_andnot_ps(dummy_mask,r32);
1113 /* EWALD ELECTROSTATICS */
1115 /* Analytical PME correction */
1116 zeta2 = _mm_mul_ps(beta2,rsq32);
1117 rinv3 = _mm_mul_ps(rinvsq32,rinv32);
1118 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1119 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1120 felec = _mm_mul_ps(qq32,felec);
1121 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
1122 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv32,sh_ewald));
1123 velec = _mm_mul_ps(qq32,velec);
1125 cutoff_mask = _mm_cmplt_ps(rsq32,rcutoff2);
1127 /* Update potential sum for this i atom from the interaction with this j atom. */
1128 velec = _mm_and_ps(velec,cutoff_mask);
1129 velec = _mm_andnot_ps(dummy_mask,velec);
1130 velecsum = _mm_add_ps(velecsum,velec);
1134 fscal = _mm_and_ps(fscal,cutoff_mask);
1136 fscal = _mm_andnot_ps(dummy_mask,fscal);
1138 /* Update vectorial force */
1139 fix3 = _mm_macc_ps(dx32,fscal,fix3);
1140 fiy3 = _mm_macc_ps(dy32,fscal,fiy3);
1141 fiz3 = _mm_macc_ps(dz32,fscal,fiz3);
1143 fjx2 = _mm_macc_ps(dx32,fscal,fjx2);
1144 fjy2 = _mm_macc_ps(dy32,fscal,fjy2);
1145 fjz2 = _mm_macc_ps(dz32,fscal,fjz2);
1149 /**************************
1150 * CALCULATE INTERACTIONS *
1151 **************************/
1153 if (gmx_mm_any_lt(rsq33,rcutoff2))
1156 r33 = _mm_mul_ps(rsq33,rinv33);
1157 r33 = _mm_andnot_ps(dummy_mask,r33);
1159 /* EWALD ELECTROSTATICS */
1161 /* Analytical PME correction */
1162 zeta2 = _mm_mul_ps(beta2,rsq33);
1163 rinv3 = _mm_mul_ps(rinvsq33,rinv33);
1164 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1165 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1166 felec = _mm_mul_ps(qq33,felec);
1167 pmecorrV = gmx_mm_pmecorrV_ps(zeta2);
1168 velec = _mm_nmacc_ps(pmecorrV,beta,_mm_sub_ps(rinv33,sh_ewald));
1169 velec = _mm_mul_ps(qq33,velec);
1171 cutoff_mask = _mm_cmplt_ps(rsq33,rcutoff2);
1173 /* Update potential sum for this i atom from the interaction with this j atom. */
1174 velec = _mm_and_ps(velec,cutoff_mask);
1175 velec = _mm_andnot_ps(dummy_mask,velec);
1176 velecsum = _mm_add_ps(velecsum,velec);
1180 fscal = _mm_and_ps(fscal,cutoff_mask);
1182 fscal = _mm_andnot_ps(dummy_mask,fscal);
1184 /* Update vectorial force */
1185 fix3 = _mm_macc_ps(dx33,fscal,fix3);
1186 fiy3 = _mm_macc_ps(dy33,fscal,fiy3);
1187 fiz3 = _mm_macc_ps(dz33,fscal,fiz3);
1189 fjx3 = _mm_macc_ps(dx33,fscal,fjx3);
1190 fjy3 = _mm_macc_ps(dy33,fscal,fjy3);
1191 fjz3 = _mm_macc_ps(dz33,fscal,fjz3);
1195 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1196 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1197 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1198 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1200 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA+DIM,fjptrB+DIM,fjptrC+DIM,fjptrD+DIM,
1201 fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1203 /* Inner loop uses 306 flops */
1206 /* End of innermost loop */
1208 gmx_mm_update_iforce_3atom_swizzle_ps(fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
1209 f+i_coord_offset+DIM,fshift+i_shift_offset);
1212 /* Update potential energies */
1213 gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid);
1215 /* Increment number of inner iterations */
1216 inneriter += j_index_end - j_index_start;
1218 /* Outer loop uses 19 flops */
1221 /* Increment number of outer iterations */
1224 /* Update outer/inner flops */
1226 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_VF,outeriter*19 + inneriter*306);
1229 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW4W4_F_avx_128_fma_single
1230 * Electrostatics interaction: Ewald
1231 * VdW interaction: None
1232 * Geometry: Water4-Water4
1233 * Calculate force/pot: Force
1236 nb_kernel_ElecEwSh_VdwNone_GeomW4W4_F_avx_128_fma_single
1237 (t_nblist * gmx_restrict nlist,
1238 rvec * gmx_restrict xx,
1239 rvec * gmx_restrict ff,
1240 t_forcerec * gmx_restrict fr,
1241 t_mdatoms * gmx_restrict mdatoms,
1242 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
1243 t_nrnb * gmx_restrict nrnb)
1245 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1246 * just 0 for non-waters.
1247 * Suffixes A,B,C,D refer to j loop unrolling done with AVX_128, e.g. for the four different
1248 * jnr indices corresponding to data put in the four positions in the SIMD register.
1250 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1251 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1252 int jnrA,jnrB,jnrC,jnrD;
1253 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
1254 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
1255 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1256 real rcutoff_scalar;
1257 real *shiftvec,*fshift,*x,*f;
1258 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
1259 real scratch[4*DIM];
1260 __m128 fscal,rcutoff,rcutoff2,jidxall;
1262 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1264 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1266 __m128 ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
1267 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
1268 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1269 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
1270 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1271 int vdwjidx3A,vdwjidx3B,vdwjidx3C,vdwjidx3D;
1272 __m128 jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
1273 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1274 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1275 __m128 dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
1276 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1277 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1278 __m128 dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
1279 __m128 dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
1280 __m128 dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
1281 __m128 dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
1282 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
1285 __m128 ewtabscale,eweps,twoeweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
1286 __m128 beta,beta2,beta3,zeta2,pmecorrF,pmecorrV,rinv3;
1288 __m128 dummy_mask,cutoff_mask;
1289 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
1290 __m128 one = _mm_set1_ps(1.0);
1291 __m128 two = _mm_set1_ps(2.0);
1297 jindex = nlist->jindex;
1299 shiftidx = nlist->shift;
1301 shiftvec = fr->shift_vec[0];
1302 fshift = fr->fshift[0];
1303 facel = _mm_set1_ps(fr->epsfac);
1304 charge = mdatoms->chargeA;
1306 sh_ewald = _mm_set1_ps(fr->ic->sh_ewald);
1307 beta = _mm_set1_ps(fr->ic->ewaldcoeff_q);
1308 beta2 = _mm_mul_ps(beta,beta);
1309 beta3 = _mm_mul_ps(beta,beta2);
1310 ewtab = fr->ic->tabq_coul_F;
1311 ewtabscale = _mm_set1_ps(fr->ic->tabq_scale);
1312 ewtabhalfspace = _mm_set1_ps(0.5/fr->ic->tabq_scale);
1314 /* Setup water-specific parameters */
1315 inr = nlist->iinr[0];
1316 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
1317 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
1318 iq3 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+3]));
1320 jq1 = _mm_set1_ps(charge[inr+1]);
1321 jq2 = _mm_set1_ps(charge[inr+2]);
1322 jq3 = _mm_set1_ps(charge[inr+3]);
1323 qq11 = _mm_mul_ps(iq1,jq1);
1324 qq12 = _mm_mul_ps(iq1,jq2);
1325 qq13 = _mm_mul_ps(iq1,jq3);
1326 qq21 = _mm_mul_ps(iq2,jq1);
1327 qq22 = _mm_mul_ps(iq2,jq2);
1328 qq23 = _mm_mul_ps(iq2,jq3);
1329 qq31 = _mm_mul_ps(iq3,jq1);
1330 qq32 = _mm_mul_ps(iq3,jq2);
1331 qq33 = _mm_mul_ps(iq3,jq3);
1333 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
1334 rcutoff_scalar = fr->rcoulomb;
1335 rcutoff = _mm_set1_ps(rcutoff_scalar);
1336 rcutoff2 = _mm_mul_ps(rcutoff,rcutoff);
1338 /* Avoid stupid compiler warnings */
1339 jnrA = jnrB = jnrC = jnrD = 0;
1340 j_coord_offsetA = 0;
1341 j_coord_offsetB = 0;
1342 j_coord_offsetC = 0;
1343 j_coord_offsetD = 0;
1348 for(iidx=0;iidx<4*DIM;iidx++)
1350 scratch[iidx] = 0.0;
1353 /* Start outer loop over neighborlists */
1354 for(iidx=0; iidx<nri; iidx++)
1356 /* Load shift vector for this list */
1357 i_shift_offset = DIM*shiftidx[iidx];
1359 /* Load limits for loop over neighbors */
1360 j_index_start = jindex[iidx];
1361 j_index_end = jindex[iidx+1];
1363 /* Get outer coordinate index */
1365 i_coord_offset = DIM*inr;
1367 /* Load i particle coords and add shift vector */
1368 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset+DIM,
1369 &ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
1371 fix1 = _mm_setzero_ps();
1372 fiy1 = _mm_setzero_ps();
1373 fiz1 = _mm_setzero_ps();
1374 fix2 = _mm_setzero_ps();
1375 fiy2 = _mm_setzero_ps();
1376 fiz2 = _mm_setzero_ps();
1377 fix3 = _mm_setzero_ps();
1378 fiy3 = _mm_setzero_ps();
1379 fiz3 = _mm_setzero_ps();
1381 /* Start inner kernel loop */
1382 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
1385 /* Get j neighbor index, and coordinate index */
1387 jnrB = jjnr[jidx+1];
1388 jnrC = jjnr[jidx+2];
1389 jnrD = jjnr[jidx+3];
1390 j_coord_offsetA = DIM*jnrA;
1391 j_coord_offsetB = DIM*jnrB;
1392 j_coord_offsetC = DIM*jnrC;
1393 j_coord_offsetD = DIM*jnrD;
1395 /* load j atom coordinates */
1396 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
1397 x+j_coord_offsetC+DIM,x+j_coord_offsetD+DIM,
1398 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
1400 /* Calculate displacement vector */
1401 dx11 = _mm_sub_ps(ix1,jx1);
1402 dy11 = _mm_sub_ps(iy1,jy1);
1403 dz11 = _mm_sub_ps(iz1,jz1);
1404 dx12 = _mm_sub_ps(ix1,jx2);
1405 dy12 = _mm_sub_ps(iy1,jy2);
1406 dz12 = _mm_sub_ps(iz1,jz2);
1407 dx13 = _mm_sub_ps(ix1,jx3);
1408 dy13 = _mm_sub_ps(iy1,jy3);
1409 dz13 = _mm_sub_ps(iz1,jz3);
1410 dx21 = _mm_sub_ps(ix2,jx1);
1411 dy21 = _mm_sub_ps(iy2,jy1);
1412 dz21 = _mm_sub_ps(iz2,jz1);
1413 dx22 = _mm_sub_ps(ix2,jx2);
1414 dy22 = _mm_sub_ps(iy2,jy2);
1415 dz22 = _mm_sub_ps(iz2,jz2);
1416 dx23 = _mm_sub_ps(ix2,jx3);
1417 dy23 = _mm_sub_ps(iy2,jy3);
1418 dz23 = _mm_sub_ps(iz2,jz3);
1419 dx31 = _mm_sub_ps(ix3,jx1);
1420 dy31 = _mm_sub_ps(iy3,jy1);
1421 dz31 = _mm_sub_ps(iz3,jz1);
1422 dx32 = _mm_sub_ps(ix3,jx2);
1423 dy32 = _mm_sub_ps(iy3,jy2);
1424 dz32 = _mm_sub_ps(iz3,jz2);
1425 dx33 = _mm_sub_ps(ix3,jx3);
1426 dy33 = _mm_sub_ps(iy3,jy3);
1427 dz33 = _mm_sub_ps(iz3,jz3);
1429 /* Calculate squared distance and things based on it */
1430 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1431 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1432 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
1433 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1434 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1435 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
1436 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
1437 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
1438 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
1440 rinv11 = gmx_mm_invsqrt_ps(rsq11);
1441 rinv12 = gmx_mm_invsqrt_ps(rsq12);
1442 rinv13 = gmx_mm_invsqrt_ps(rsq13);
1443 rinv21 = gmx_mm_invsqrt_ps(rsq21);
1444 rinv22 = gmx_mm_invsqrt_ps(rsq22);
1445 rinv23 = gmx_mm_invsqrt_ps(rsq23);
1446 rinv31 = gmx_mm_invsqrt_ps(rsq31);
1447 rinv32 = gmx_mm_invsqrt_ps(rsq32);
1448 rinv33 = gmx_mm_invsqrt_ps(rsq33);
1450 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1451 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1452 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
1453 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1454 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1455 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
1456 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
1457 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
1458 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
1460 fjx1 = _mm_setzero_ps();
1461 fjy1 = _mm_setzero_ps();
1462 fjz1 = _mm_setzero_ps();
1463 fjx2 = _mm_setzero_ps();
1464 fjy2 = _mm_setzero_ps();
1465 fjz2 = _mm_setzero_ps();
1466 fjx3 = _mm_setzero_ps();
1467 fjy3 = _mm_setzero_ps();
1468 fjz3 = _mm_setzero_ps();
1470 /**************************
1471 * CALCULATE INTERACTIONS *
1472 **************************/
1474 if (gmx_mm_any_lt(rsq11,rcutoff2))
1477 r11 = _mm_mul_ps(rsq11,rinv11);
1479 /* EWALD ELECTROSTATICS */
1481 /* Analytical PME correction */
1482 zeta2 = _mm_mul_ps(beta2,rsq11);
1483 rinv3 = _mm_mul_ps(rinvsq11,rinv11);
1484 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1485 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1486 felec = _mm_mul_ps(qq11,felec);
1488 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
1492 fscal = _mm_and_ps(fscal,cutoff_mask);
1494 /* Update vectorial force */
1495 fix1 = _mm_macc_ps(dx11,fscal,fix1);
1496 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
1497 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
1499 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
1500 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
1501 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
1505 /**************************
1506 * CALCULATE INTERACTIONS *
1507 **************************/
1509 if (gmx_mm_any_lt(rsq12,rcutoff2))
1512 r12 = _mm_mul_ps(rsq12,rinv12);
1514 /* EWALD ELECTROSTATICS */
1516 /* Analytical PME correction */
1517 zeta2 = _mm_mul_ps(beta2,rsq12);
1518 rinv3 = _mm_mul_ps(rinvsq12,rinv12);
1519 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1520 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1521 felec = _mm_mul_ps(qq12,felec);
1523 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
1527 fscal = _mm_and_ps(fscal,cutoff_mask);
1529 /* Update vectorial force */
1530 fix1 = _mm_macc_ps(dx12,fscal,fix1);
1531 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
1532 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
1534 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
1535 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
1536 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
1540 /**************************
1541 * CALCULATE INTERACTIONS *
1542 **************************/
1544 if (gmx_mm_any_lt(rsq13,rcutoff2))
1547 r13 = _mm_mul_ps(rsq13,rinv13);
1549 /* EWALD ELECTROSTATICS */
1551 /* Analytical PME correction */
1552 zeta2 = _mm_mul_ps(beta2,rsq13);
1553 rinv3 = _mm_mul_ps(rinvsq13,rinv13);
1554 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1555 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1556 felec = _mm_mul_ps(qq13,felec);
1558 cutoff_mask = _mm_cmplt_ps(rsq13,rcutoff2);
1562 fscal = _mm_and_ps(fscal,cutoff_mask);
1564 /* Update vectorial force */
1565 fix1 = _mm_macc_ps(dx13,fscal,fix1);
1566 fiy1 = _mm_macc_ps(dy13,fscal,fiy1);
1567 fiz1 = _mm_macc_ps(dz13,fscal,fiz1);
1569 fjx3 = _mm_macc_ps(dx13,fscal,fjx3);
1570 fjy3 = _mm_macc_ps(dy13,fscal,fjy3);
1571 fjz3 = _mm_macc_ps(dz13,fscal,fjz3);
1575 /**************************
1576 * CALCULATE INTERACTIONS *
1577 **************************/
1579 if (gmx_mm_any_lt(rsq21,rcutoff2))
1582 r21 = _mm_mul_ps(rsq21,rinv21);
1584 /* EWALD ELECTROSTATICS */
1586 /* Analytical PME correction */
1587 zeta2 = _mm_mul_ps(beta2,rsq21);
1588 rinv3 = _mm_mul_ps(rinvsq21,rinv21);
1589 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1590 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1591 felec = _mm_mul_ps(qq21,felec);
1593 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
1597 fscal = _mm_and_ps(fscal,cutoff_mask);
1599 /* Update vectorial force */
1600 fix2 = _mm_macc_ps(dx21,fscal,fix2);
1601 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
1602 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
1604 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
1605 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
1606 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
1610 /**************************
1611 * CALCULATE INTERACTIONS *
1612 **************************/
1614 if (gmx_mm_any_lt(rsq22,rcutoff2))
1617 r22 = _mm_mul_ps(rsq22,rinv22);
1619 /* EWALD ELECTROSTATICS */
1621 /* Analytical PME correction */
1622 zeta2 = _mm_mul_ps(beta2,rsq22);
1623 rinv3 = _mm_mul_ps(rinvsq22,rinv22);
1624 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1625 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1626 felec = _mm_mul_ps(qq22,felec);
1628 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
1632 fscal = _mm_and_ps(fscal,cutoff_mask);
1634 /* Update vectorial force */
1635 fix2 = _mm_macc_ps(dx22,fscal,fix2);
1636 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
1637 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
1639 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
1640 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
1641 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
1645 /**************************
1646 * CALCULATE INTERACTIONS *
1647 **************************/
1649 if (gmx_mm_any_lt(rsq23,rcutoff2))
1652 r23 = _mm_mul_ps(rsq23,rinv23);
1654 /* EWALD ELECTROSTATICS */
1656 /* Analytical PME correction */
1657 zeta2 = _mm_mul_ps(beta2,rsq23);
1658 rinv3 = _mm_mul_ps(rinvsq23,rinv23);
1659 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1660 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1661 felec = _mm_mul_ps(qq23,felec);
1663 cutoff_mask = _mm_cmplt_ps(rsq23,rcutoff2);
1667 fscal = _mm_and_ps(fscal,cutoff_mask);
1669 /* Update vectorial force */
1670 fix2 = _mm_macc_ps(dx23,fscal,fix2);
1671 fiy2 = _mm_macc_ps(dy23,fscal,fiy2);
1672 fiz2 = _mm_macc_ps(dz23,fscal,fiz2);
1674 fjx3 = _mm_macc_ps(dx23,fscal,fjx3);
1675 fjy3 = _mm_macc_ps(dy23,fscal,fjy3);
1676 fjz3 = _mm_macc_ps(dz23,fscal,fjz3);
1680 /**************************
1681 * CALCULATE INTERACTIONS *
1682 **************************/
1684 if (gmx_mm_any_lt(rsq31,rcutoff2))
1687 r31 = _mm_mul_ps(rsq31,rinv31);
1689 /* EWALD ELECTROSTATICS */
1691 /* Analytical PME correction */
1692 zeta2 = _mm_mul_ps(beta2,rsq31);
1693 rinv3 = _mm_mul_ps(rinvsq31,rinv31);
1694 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1695 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1696 felec = _mm_mul_ps(qq31,felec);
1698 cutoff_mask = _mm_cmplt_ps(rsq31,rcutoff2);
1702 fscal = _mm_and_ps(fscal,cutoff_mask);
1704 /* Update vectorial force */
1705 fix3 = _mm_macc_ps(dx31,fscal,fix3);
1706 fiy3 = _mm_macc_ps(dy31,fscal,fiy3);
1707 fiz3 = _mm_macc_ps(dz31,fscal,fiz3);
1709 fjx1 = _mm_macc_ps(dx31,fscal,fjx1);
1710 fjy1 = _mm_macc_ps(dy31,fscal,fjy1);
1711 fjz1 = _mm_macc_ps(dz31,fscal,fjz1);
1715 /**************************
1716 * CALCULATE INTERACTIONS *
1717 **************************/
1719 if (gmx_mm_any_lt(rsq32,rcutoff2))
1722 r32 = _mm_mul_ps(rsq32,rinv32);
1724 /* EWALD ELECTROSTATICS */
1726 /* Analytical PME correction */
1727 zeta2 = _mm_mul_ps(beta2,rsq32);
1728 rinv3 = _mm_mul_ps(rinvsq32,rinv32);
1729 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1730 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1731 felec = _mm_mul_ps(qq32,felec);
1733 cutoff_mask = _mm_cmplt_ps(rsq32,rcutoff2);
1737 fscal = _mm_and_ps(fscal,cutoff_mask);
1739 /* Update vectorial force */
1740 fix3 = _mm_macc_ps(dx32,fscal,fix3);
1741 fiy3 = _mm_macc_ps(dy32,fscal,fiy3);
1742 fiz3 = _mm_macc_ps(dz32,fscal,fiz3);
1744 fjx2 = _mm_macc_ps(dx32,fscal,fjx2);
1745 fjy2 = _mm_macc_ps(dy32,fscal,fjy2);
1746 fjz2 = _mm_macc_ps(dz32,fscal,fjz2);
1750 /**************************
1751 * CALCULATE INTERACTIONS *
1752 **************************/
1754 if (gmx_mm_any_lt(rsq33,rcutoff2))
1757 r33 = _mm_mul_ps(rsq33,rinv33);
1759 /* EWALD ELECTROSTATICS */
1761 /* Analytical PME correction */
1762 zeta2 = _mm_mul_ps(beta2,rsq33);
1763 rinv3 = _mm_mul_ps(rinvsq33,rinv33);
1764 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1765 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1766 felec = _mm_mul_ps(qq33,felec);
1768 cutoff_mask = _mm_cmplt_ps(rsq33,rcutoff2);
1772 fscal = _mm_and_ps(fscal,cutoff_mask);
1774 /* Update vectorial force */
1775 fix3 = _mm_macc_ps(dx33,fscal,fix3);
1776 fiy3 = _mm_macc_ps(dy33,fscal,fiy3);
1777 fiz3 = _mm_macc_ps(dz33,fscal,fiz3);
1779 fjx3 = _mm_macc_ps(dx33,fscal,fjx3);
1780 fjy3 = _mm_macc_ps(dy33,fscal,fjy3);
1781 fjz3 = _mm_macc_ps(dz33,fscal,fjz3);
1785 fjptrA = f+j_coord_offsetA;
1786 fjptrB = f+j_coord_offsetB;
1787 fjptrC = f+j_coord_offsetC;
1788 fjptrD = f+j_coord_offsetD;
1790 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA+DIM,fjptrB+DIM,fjptrC+DIM,fjptrD+DIM,
1791 fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1793 /* Inner loop uses 279 flops */
1796 if(jidx<j_index_end)
1799 /* Get j neighbor index, and coordinate index */
1800 jnrlistA = jjnr[jidx];
1801 jnrlistB = jjnr[jidx+1];
1802 jnrlistC = jjnr[jidx+2];
1803 jnrlistD = jjnr[jidx+3];
1804 /* Sign of each element will be negative for non-real atoms.
1805 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
1806 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
1808 dummy_mask = gmx_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
1809 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
1810 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
1811 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
1812 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
1813 j_coord_offsetA = DIM*jnrA;
1814 j_coord_offsetB = DIM*jnrB;
1815 j_coord_offsetC = DIM*jnrC;
1816 j_coord_offsetD = DIM*jnrD;
1818 /* load j atom coordinates */
1819 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
1820 x+j_coord_offsetC+DIM,x+j_coord_offsetD+DIM,
1821 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
1823 /* Calculate displacement vector */
1824 dx11 = _mm_sub_ps(ix1,jx1);
1825 dy11 = _mm_sub_ps(iy1,jy1);
1826 dz11 = _mm_sub_ps(iz1,jz1);
1827 dx12 = _mm_sub_ps(ix1,jx2);
1828 dy12 = _mm_sub_ps(iy1,jy2);
1829 dz12 = _mm_sub_ps(iz1,jz2);
1830 dx13 = _mm_sub_ps(ix1,jx3);
1831 dy13 = _mm_sub_ps(iy1,jy3);
1832 dz13 = _mm_sub_ps(iz1,jz3);
1833 dx21 = _mm_sub_ps(ix2,jx1);
1834 dy21 = _mm_sub_ps(iy2,jy1);
1835 dz21 = _mm_sub_ps(iz2,jz1);
1836 dx22 = _mm_sub_ps(ix2,jx2);
1837 dy22 = _mm_sub_ps(iy2,jy2);
1838 dz22 = _mm_sub_ps(iz2,jz2);
1839 dx23 = _mm_sub_ps(ix2,jx3);
1840 dy23 = _mm_sub_ps(iy2,jy3);
1841 dz23 = _mm_sub_ps(iz2,jz3);
1842 dx31 = _mm_sub_ps(ix3,jx1);
1843 dy31 = _mm_sub_ps(iy3,jy1);
1844 dz31 = _mm_sub_ps(iz3,jz1);
1845 dx32 = _mm_sub_ps(ix3,jx2);
1846 dy32 = _mm_sub_ps(iy3,jy2);
1847 dz32 = _mm_sub_ps(iz3,jz2);
1848 dx33 = _mm_sub_ps(ix3,jx3);
1849 dy33 = _mm_sub_ps(iy3,jy3);
1850 dz33 = _mm_sub_ps(iz3,jz3);
1852 /* Calculate squared distance and things based on it */
1853 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1854 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1855 rsq13 = gmx_mm_calc_rsq_ps(dx13,dy13,dz13);
1856 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1857 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1858 rsq23 = gmx_mm_calc_rsq_ps(dx23,dy23,dz23);
1859 rsq31 = gmx_mm_calc_rsq_ps(dx31,dy31,dz31);
1860 rsq32 = gmx_mm_calc_rsq_ps(dx32,dy32,dz32);
1861 rsq33 = gmx_mm_calc_rsq_ps(dx33,dy33,dz33);
1863 rinv11 = gmx_mm_invsqrt_ps(rsq11);
1864 rinv12 = gmx_mm_invsqrt_ps(rsq12);
1865 rinv13 = gmx_mm_invsqrt_ps(rsq13);
1866 rinv21 = gmx_mm_invsqrt_ps(rsq21);
1867 rinv22 = gmx_mm_invsqrt_ps(rsq22);
1868 rinv23 = gmx_mm_invsqrt_ps(rsq23);
1869 rinv31 = gmx_mm_invsqrt_ps(rsq31);
1870 rinv32 = gmx_mm_invsqrt_ps(rsq32);
1871 rinv33 = gmx_mm_invsqrt_ps(rsq33);
1873 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1874 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1875 rinvsq13 = _mm_mul_ps(rinv13,rinv13);
1876 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1877 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1878 rinvsq23 = _mm_mul_ps(rinv23,rinv23);
1879 rinvsq31 = _mm_mul_ps(rinv31,rinv31);
1880 rinvsq32 = _mm_mul_ps(rinv32,rinv32);
1881 rinvsq33 = _mm_mul_ps(rinv33,rinv33);
1883 fjx1 = _mm_setzero_ps();
1884 fjy1 = _mm_setzero_ps();
1885 fjz1 = _mm_setzero_ps();
1886 fjx2 = _mm_setzero_ps();
1887 fjy2 = _mm_setzero_ps();
1888 fjz2 = _mm_setzero_ps();
1889 fjx3 = _mm_setzero_ps();
1890 fjy3 = _mm_setzero_ps();
1891 fjz3 = _mm_setzero_ps();
1893 /**************************
1894 * CALCULATE INTERACTIONS *
1895 **************************/
1897 if (gmx_mm_any_lt(rsq11,rcutoff2))
1900 r11 = _mm_mul_ps(rsq11,rinv11);
1901 r11 = _mm_andnot_ps(dummy_mask,r11);
1903 /* EWALD ELECTROSTATICS */
1905 /* Analytical PME correction */
1906 zeta2 = _mm_mul_ps(beta2,rsq11);
1907 rinv3 = _mm_mul_ps(rinvsq11,rinv11);
1908 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1909 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1910 felec = _mm_mul_ps(qq11,felec);
1912 cutoff_mask = _mm_cmplt_ps(rsq11,rcutoff2);
1916 fscal = _mm_and_ps(fscal,cutoff_mask);
1918 fscal = _mm_andnot_ps(dummy_mask,fscal);
1920 /* Update vectorial force */
1921 fix1 = _mm_macc_ps(dx11,fscal,fix1);
1922 fiy1 = _mm_macc_ps(dy11,fscal,fiy1);
1923 fiz1 = _mm_macc_ps(dz11,fscal,fiz1);
1925 fjx1 = _mm_macc_ps(dx11,fscal,fjx1);
1926 fjy1 = _mm_macc_ps(dy11,fscal,fjy1);
1927 fjz1 = _mm_macc_ps(dz11,fscal,fjz1);
1931 /**************************
1932 * CALCULATE INTERACTIONS *
1933 **************************/
1935 if (gmx_mm_any_lt(rsq12,rcutoff2))
1938 r12 = _mm_mul_ps(rsq12,rinv12);
1939 r12 = _mm_andnot_ps(dummy_mask,r12);
1941 /* EWALD ELECTROSTATICS */
1943 /* Analytical PME correction */
1944 zeta2 = _mm_mul_ps(beta2,rsq12);
1945 rinv3 = _mm_mul_ps(rinvsq12,rinv12);
1946 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1947 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1948 felec = _mm_mul_ps(qq12,felec);
1950 cutoff_mask = _mm_cmplt_ps(rsq12,rcutoff2);
1954 fscal = _mm_and_ps(fscal,cutoff_mask);
1956 fscal = _mm_andnot_ps(dummy_mask,fscal);
1958 /* Update vectorial force */
1959 fix1 = _mm_macc_ps(dx12,fscal,fix1);
1960 fiy1 = _mm_macc_ps(dy12,fscal,fiy1);
1961 fiz1 = _mm_macc_ps(dz12,fscal,fiz1);
1963 fjx2 = _mm_macc_ps(dx12,fscal,fjx2);
1964 fjy2 = _mm_macc_ps(dy12,fscal,fjy2);
1965 fjz2 = _mm_macc_ps(dz12,fscal,fjz2);
1969 /**************************
1970 * CALCULATE INTERACTIONS *
1971 **************************/
1973 if (gmx_mm_any_lt(rsq13,rcutoff2))
1976 r13 = _mm_mul_ps(rsq13,rinv13);
1977 r13 = _mm_andnot_ps(dummy_mask,r13);
1979 /* EWALD ELECTROSTATICS */
1981 /* Analytical PME correction */
1982 zeta2 = _mm_mul_ps(beta2,rsq13);
1983 rinv3 = _mm_mul_ps(rinvsq13,rinv13);
1984 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
1985 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
1986 felec = _mm_mul_ps(qq13,felec);
1988 cutoff_mask = _mm_cmplt_ps(rsq13,rcutoff2);
1992 fscal = _mm_and_ps(fscal,cutoff_mask);
1994 fscal = _mm_andnot_ps(dummy_mask,fscal);
1996 /* Update vectorial force */
1997 fix1 = _mm_macc_ps(dx13,fscal,fix1);
1998 fiy1 = _mm_macc_ps(dy13,fscal,fiy1);
1999 fiz1 = _mm_macc_ps(dz13,fscal,fiz1);
2001 fjx3 = _mm_macc_ps(dx13,fscal,fjx3);
2002 fjy3 = _mm_macc_ps(dy13,fscal,fjy3);
2003 fjz3 = _mm_macc_ps(dz13,fscal,fjz3);
2007 /**************************
2008 * CALCULATE INTERACTIONS *
2009 **************************/
2011 if (gmx_mm_any_lt(rsq21,rcutoff2))
2014 r21 = _mm_mul_ps(rsq21,rinv21);
2015 r21 = _mm_andnot_ps(dummy_mask,r21);
2017 /* EWALD ELECTROSTATICS */
2019 /* Analytical PME correction */
2020 zeta2 = _mm_mul_ps(beta2,rsq21);
2021 rinv3 = _mm_mul_ps(rinvsq21,rinv21);
2022 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2023 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2024 felec = _mm_mul_ps(qq21,felec);
2026 cutoff_mask = _mm_cmplt_ps(rsq21,rcutoff2);
2030 fscal = _mm_and_ps(fscal,cutoff_mask);
2032 fscal = _mm_andnot_ps(dummy_mask,fscal);
2034 /* Update vectorial force */
2035 fix2 = _mm_macc_ps(dx21,fscal,fix2);
2036 fiy2 = _mm_macc_ps(dy21,fscal,fiy2);
2037 fiz2 = _mm_macc_ps(dz21,fscal,fiz2);
2039 fjx1 = _mm_macc_ps(dx21,fscal,fjx1);
2040 fjy1 = _mm_macc_ps(dy21,fscal,fjy1);
2041 fjz1 = _mm_macc_ps(dz21,fscal,fjz1);
2045 /**************************
2046 * CALCULATE INTERACTIONS *
2047 **************************/
2049 if (gmx_mm_any_lt(rsq22,rcutoff2))
2052 r22 = _mm_mul_ps(rsq22,rinv22);
2053 r22 = _mm_andnot_ps(dummy_mask,r22);
2055 /* EWALD ELECTROSTATICS */
2057 /* Analytical PME correction */
2058 zeta2 = _mm_mul_ps(beta2,rsq22);
2059 rinv3 = _mm_mul_ps(rinvsq22,rinv22);
2060 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2061 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2062 felec = _mm_mul_ps(qq22,felec);
2064 cutoff_mask = _mm_cmplt_ps(rsq22,rcutoff2);
2068 fscal = _mm_and_ps(fscal,cutoff_mask);
2070 fscal = _mm_andnot_ps(dummy_mask,fscal);
2072 /* Update vectorial force */
2073 fix2 = _mm_macc_ps(dx22,fscal,fix2);
2074 fiy2 = _mm_macc_ps(dy22,fscal,fiy2);
2075 fiz2 = _mm_macc_ps(dz22,fscal,fiz2);
2077 fjx2 = _mm_macc_ps(dx22,fscal,fjx2);
2078 fjy2 = _mm_macc_ps(dy22,fscal,fjy2);
2079 fjz2 = _mm_macc_ps(dz22,fscal,fjz2);
2083 /**************************
2084 * CALCULATE INTERACTIONS *
2085 **************************/
2087 if (gmx_mm_any_lt(rsq23,rcutoff2))
2090 r23 = _mm_mul_ps(rsq23,rinv23);
2091 r23 = _mm_andnot_ps(dummy_mask,r23);
2093 /* EWALD ELECTROSTATICS */
2095 /* Analytical PME correction */
2096 zeta2 = _mm_mul_ps(beta2,rsq23);
2097 rinv3 = _mm_mul_ps(rinvsq23,rinv23);
2098 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2099 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2100 felec = _mm_mul_ps(qq23,felec);
2102 cutoff_mask = _mm_cmplt_ps(rsq23,rcutoff2);
2106 fscal = _mm_and_ps(fscal,cutoff_mask);
2108 fscal = _mm_andnot_ps(dummy_mask,fscal);
2110 /* Update vectorial force */
2111 fix2 = _mm_macc_ps(dx23,fscal,fix2);
2112 fiy2 = _mm_macc_ps(dy23,fscal,fiy2);
2113 fiz2 = _mm_macc_ps(dz23,fscal,fiz2);
2115 fjx3 = _mm_macc_ps(dx23,fscal,fjx3);
2116 fjy3 = _mm_macc_ps(dy23,fscal,fjy3);
2117 fjz3 = _mm_macc_ps(dz23,fscal,fjz3);
2121 /**************************
2122 * CALCULATE INTERACTIONS *
2123 **************************/
2125 if (gmx_mm_any_lt(rsq31,rcutoff2))
2128 r31 = _mm_mul_ps(rsq31,rinv31);
2129 r31 = _mm_andnot_ps(dummy_mask,r31);
2131 /* EWALD ELECTROSTATICS */
2133 /* Analytical PME correction */
2134 zeta2 = _mm_mul_ps(beta2,rsq31);
2135 rinv3 = _mm_mul_ps(rinvsq31,rinv31);
2136 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2137 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2138 felec = _mm_mul_ps(qq31,felec);
2140 cutoff_mask = _mm_cmplt_ps(rsq31,rcutoff2);
2144 fscal = _mm_and_ps(fscal,cutoff_mask);
2146 fscal = _mm_andnot_ps(dummy_mask,fscal);
2148 /* Update vectorial force */
2149 fix3 = _mm_macc_ps(dx31,fscal,fix3);
2150 fiy3 = _mm_macc_ps(dy31,fscal,fiy3);
2151 fiz3 = _mm_macc_ps(dz31,fscal,fiz3);
2153 fjx1 = _mm_macc_ps(dx31,fscal,fjx1);
2154 fjy1 = _mm_macc_ps(dy31,fscal,fjy1);
2155 fjz1 = _mm_macc_ps(dz31,fscal,fjz1);
2159 /**************************
2160 * CALCULATE INTERACTIONS *
2161 **************************/
2163 if (gmx_mm_any_lt(rsq32,rcutoff2))
2166 r32 = _mm_mul_ps(rsq32,rinv32);
2167 r32 = _mm_andnot_ps(dummy_mask,r32);
2169 /* EWALD ELECTROSTATICS */
2171 /* Analytical PME correction */
2172 zeta2 = _mm_mul_ps(beta2,rsq32);
2173 rinv3 = _mm_mul_ps(rinvsq32,rinv32);
2174 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2175 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2176 felec = _mm_mul_ps(qq32,felec);
2178 cutoff_mask = _mm_cmplt_ps(rsq32,rcutoff2);
2182 fscal = _mm_and_ps(fscal,cutoff_mask);
2184 fscal = _mm_andnot_ps(dummy_mask,fscal);
2186 /* Update vectorial force */
2187 fix3 = _mm_macc_ps(dx32,fscal,fix3);
2188 fiy3 = _mm_macc_ps(dy32,fscal,fiy3);
2189 fiz3 = _mm_macc_ps(dz32,fscal,fiz3);
2191 fjx2 = _mm_macc_ps(dx32,fscal,fjx2);
2192 fjy2 = _mm_macc_ps(dy32,fscal,fjy2);
2193 fjz2 = _mm_macc_ps(dz32,fscal,fjz2);
2197 /**************************
2198 * CALCULATE INTERACTIONS *
2199 **************************/
2201 if (gmx_mm_any_lt(rsq33,rcutoff2))
2204 r33 = _mm_mul_ps(rsq33,rinv33);
2205 r33 = _mm_andnot_ps(dummy_mask,r33);
2207 /* EWALD ELECTROSTATICS */
2209 /* Analytical PME correction */
2210 zeta2 = _mm_mul_ps(beta2,rsq33);
2211 rinv3 = _mm_mul_ps(rinvsq33,rinv33);
2212 pmecorrF = gmx_mm_pmecorrF_ps(zeta2);
2213 felec = _mm_macc_ps(pmecorrF,beta3,rinv3);
2214 felec = _mm_mul_ps(qq33,felec);
2216 cutoff_mask = _mm_cmplt_ps(rsq33,rcutoff2);
2220 fscal = _mm_and_ps(fscal,cutoff_mask);
2222 fscal = _mm_andnot_ps(dummy_mask,fscal);
2224 /* Update vectorial force */
2225 fix3 = _mm_macc_ps(dx33,fscal,fix3);
2226 fiy3 = _mm_macc_ps(dy33,fscal,fiy3);
2227 fiz3 = _mm_macc_ps(dz33,fscal,fiz3);
2229 fjx3 = _mm_macc_ps(dx33,fscal,fjx3);
2230 fjy3 = _mm_macc_ps(dy33,fscal,fjy3);
2231 fjz3 = _mm_macc_ps(dz33,fscal,fjz3);
2235 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
2236 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
2237 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
2238 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
2240 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA+DIM,fjptrB+DIM,fjptrC+DIM,fjptrD+DIM,
2241 fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
2243 /* Inner loop uses 288 flops */
2246 /* End of innermost loop */
2248 gmx_mm_update_iforce_3atom_swizzle_ps(fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
2249 f+i_coord_offset+DIM,fshift+i_shift_offset);
2251 /* Increment number of inner iterations */
2252 inneriter += j_index_end - j_index_start;
2254 /* Outer loop uses 18 flops */
2257 /* Increment number of outer iterations */
2260 /* Update outer/inner flops */
2262 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_F,outeriter*18 + inneriter*288);