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36 * Note: this file was generated by the GROMACS sse4_1_double kernel generator.
44 #include "../nb_kernel.h"
45 #include "gromacs/gmxlib/nrnb.h"
47 #include "kernelutil_x86_sse4_1_double.h"
50 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW4W4_VF_sse4_1_double
51 * Electrostatics interaction: Ewald
52 * VdW interaction: None
53 * Geometry: Water4-Water4
54 * Calculate force/pot: PotentialAndForce
57 nb_kernel_ElecEwSh_VdwNone_GeomW4W4_VF_sse4_1_double
58 (t_nblist * gmx_restrict nlist,
59 rvec * gmx_restrict xx,
60 rvec * gmx_restrict ff,
61 struct t_forcerec * gmx_restrict fr,
62 t_mdatoms * gmx_restrict mdatoms,
63 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
64 t_nrnb * gmx_restrict nrnb)
66 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
67 * just 0 for non-waters.
68 * Suffixes A,B refer to j loop unrolling done with SSE double precision, e.g. for the two different
69 * jnr indices corresponding to data put in the four positions in the SIMD register.
71 int i_shift_offset,i_coord_offset,outeriter,inneriter;
72 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
74 int j_coord_offsetA,j_coord_offsetB;
75 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
77 real *shiftvec,*fshift,*x,*f;
78 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
80 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
82 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
84 __m128d ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
85 int vdwjidx1A,vdwjidx1B;
86 __m128d jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
87 int vdwjidx2A,vdwjidx2B;
88 __m128d jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
89 int vdwjidx3A,vdwjidx3B;
90 __m128d jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
91 __m128d dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
92 __m128d dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
93 __m128d dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
94 __m128d dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
95 __m128d dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
96 __m128d dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
97 __m128d dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
98 __m128d dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
99 __m128d dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
100 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
103 __m128d ewtabscale,eweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
105 __m128d dummy_mask,cutoff_mask;
106 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
107 __m128d one = _mm_set1_pd(1.0);
108 __m128d two = _mm_set1_pd(2.0);
114 jindex = nlist->jindex;
116 shiftidx = nlist->shift;
118 shiftvec = fr->shift_vec[0];
119 fshift = fr->fshift[0];
120 facel = _mm_set1_pd(fr->ic->epsfac);
121 charge = mdatoms->chargeA;
123 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
124 ewtab = fr->ic->tabq_coul_FDV0;
125 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
126 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
128 /* Setup water-specific parameters */
129 inr = nlist->iinr[0];
130 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
131 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
132 iq3 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+3]));
134 jq1 = _mm_set1_pd(charge[inr+1]);
135 jq2 = _mm_set1_pd(charge[inr+2]);
136 jq3 = _mm_set1_pd(charge[inr+3]);
137 qq11 = _mm_mul_pd(iq1,jq1);
138 qq12 = _mm_mul_pd(iq1,jq2);
139 qq13 = _mm_mul_pd(iq1,jq3);
140 qq21 = _mm_mul_pd(iq2,jq1);
141 qq22 = _mm_mul_pd(iq2,jq2);
142 qq23 = _mm_mul_pd(iq2,jq3);
143 qq31 = _mm_mul_pd(iq3,jq1);
144 qq32 = _mm_mul_pd(iq3,jq2);
145 qq33 = _mm_mul_pd(iq3,jq3);
147 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
148 rcutoff_scalar = fr->ic->rcoulomb;
149 rcutoff = _mm_set1_pd(rcutoff_scalar);
150 rcutoff2 = _mm_mul_pd(rcutoff,rcutoff);
152 /* Avoid stupid compiler warnings */
160 /* Start outer loop over neighborlists */
161 for(iidx=0; iidx<nri; iidx++)
163 /* Load shift vector for this list */
164 i_shift_offset = DIM*shiftidx[iidx];
166 /* Load limits for loop over neighbors */
167 j_index_start = jindex[iidx];
168 j_index_end = jindex[iidx+1];
170 /* Get outer coordinate index */
172 i_coord_offset = DIM*inr;
174 /* Load i particle coords and add shift vector */
175 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset+DIM,
176 &ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
178 fix1 = _mm_setzero_pd();
179 fiy1 = _mm_setzero_pd();
180 fiz1 = _mm_setzero_pd();
181 fix2 = _mm_setzero_pd();
182 fiy2 = _mm_setzero_pd();
183 fiz2 = _mm_setzero_pd();
184 fix3 = _mm_setzero_pd();
185 fiy3 = _mm_setzero_pd();
186 fiz3 = _mm_setzero_pd();
188 /* Reset potential sums */
189 velecsum = _mm_setzero_pd();
191 /* Start inner kernel loop */
192 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
195 /* Get j neighbor index, and coordinate index */
198 j_coord_offsetA = DIM*jnrA;
199 j_coord_offsetB = DIM*jnrB;
201 /* load j atom coordinates */
202 gmx_mm_load_3rvec_2ptr_swizzle_pd(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
203 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
205 /* Calculate displacement vector */
206 dx11 = _mm_sub_pd(ix1,jx1);
207 dy11 = _mm_sub_pd(iy1,jy1);
208 dz11 = _mm_sub_pd(iz1,jz1);
209 dx12 = _mm_sub_pd(ix1,jx2);
210 dy12 = _mm_sub_pd(iy1,jy2);
211 dz12 = _mm_sub_pd(iz1,jz2);
212 dx13 = _mm_sub_pd(ix1,jx3);
213 dy13 = _mm_sub_pd(iy1,jy3);
214 dz13 = _mm_sub_pd(iz1,jz3);
215 dx21 = _mm_sub_pd(ix2,jx1);
216 dy21 = _mm_sub_pd(iy2,jy1);
217 dz21 = _mm_sub_pd(iz2,jz1);
218 dx22 = _mm_sub_pd(ix2,jx2);
219 dy22 = _mm_sub_pd(iy2,jy2);
220 dz22 = _mm_sub_pd(iz2,jz2);
221 dx23 = _mm_sub_pd(ix2,jx3);
222 dy23 = _mm_sub_pd(iy2,jy3);
223 dz23 = _mm_sub_pd(iz2,jz3);
224 dx31 = _mm_sub_pd(ix3,jx1);
225 dy31 = _mm_sub_pd(iy3,jy1);
226 dz31 = _mm_sub_pd(iz3,jz1);
227 dx32 = _mm_sub_pd(ix3,jx2);
228 dy32 = _mm_sub_pd(iy3,jy2);
229 dz32 = _mm_sub_pd(iz3,jz2);
230 dx33 = _mm_sub_pd(ix3,jx3);
231 dy33 = _mm_sub_pd(iy3,jy3);
232 dz33 = _mm_sub_pd(iz3,jz3);
234 /* Calculate squared distance and things based on it */
235 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
236 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
237 rsq13 = gmx_mm_calc_rsq_pd(dx13,dy13,dz13);
238 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
239 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
240 rsq23 = gmx_mm_calc_rsq_pd(dx23,dy23,dz23);
241 rsq31 = gmx_mm_calc_rsq_pd(dx31,dy31,dz31);
242 rsq32 = gmx_mm_calc_rsq_pd(dx32,dy32,dz32);
243 rsq33 = gmx_mm_calc_rsq_pd(dx33,dy33,dz33);
245 rinv11 = sse41_invsqrt_d(rsq11);
246 rinv12 = sse41_invsqrt_d(rsq12);
247 rinv13 = sse41_invsqrt_d(rsq13);
248 rinv21 = sse41_invsqrt_d(rsq21);
249 rinv22 = sse41_invsqrt_d(rsq22);
250 rinv23 = sse41_invsqrt_d(rsq23);
251 rinv31 = sse41_invsqrt_d(rsq31);
252 rinv32 = sse41_invsqrt_d(rsq32);
253 rinv33 = sse41_invsqrt_d(rsq33);
255 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
256 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
257 rinvsq13 = _mm_mul_pd(rinv13,rinv13);
258 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
259 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
260 rinvsq23 = _mm_mul_pd(rinv23,rinv23);
261 rinvsq31 = _mm_mul_pd(rinv31,rinv31);
262 rinvsq32 = _mm_mul_pd(rinv32,rinv32);
263 rinvsq33 = _mm_mul_pd(rinv33,rinv33);
265 fjx1 = _mm_setzero_pd();
266 fjy1 = _mm_setzero_pd();
267 fjz1 = _mm_setzero_pd();
268 fjx2 = _mm_setzero_pd();
269 fjy2 = _mm_setzero_pd();
270 fjz2 = _mm_setzero_pd();
271 fjx3 = _mm_setzero_pd();
272 fjy3 = _mm_setzero_pd();
273 fjz3 = _mm_setzero_pd();
275 /**************************
276 * CALCULATE INTERACTIONS *
277 **************************/
279 if (gmx_mm_any_lt(rsq11,rcutoff2))
282 r11 = _mm_mul_pd(rsq11,rinv11);
284 /* EWALD ELECTROSTATICS */
286 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
287 ewrt = _mm_mul_pd(r11,ewtabscale);
288 ewitab = _mm_cvttpd_epi32(ewrt);
289 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
290 ewitab = _mm_slli_epi32(ewitab,2);
291 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
292 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
293 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
294 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
295 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
296 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
297 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
298 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
299 velec = _mm_mul_pd(qq11,_mm_sub_pd(_mm_sub_pd(rinv11,sh_ewald),velec));
300 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
302 cutoff_mask = _mm_cmplt_pd(rsq11,rcutoff2);
304 /* Update potential sum for this i atom from the interaction with this j atom. */
305 velec = _mm_and_pd(velec,cutoff_mask);
306 velecsum = _mm_add_pd(velecsum,velec);
310 fscal = _mm_and_pd(fscal,cutoff_mask);
312 /* Calculate temporary vectorial force */
313 tx = _mm_mul_pd(fscal,dx11);
314 ty = _mm_mul_pd(fscal,dy11);
315 tz = _mm_mul_pd(fscal,dz11);
317 /* Update vectorial force */
318 fix1 = _mm_add_pd(fix1,tx);
319 fiy1 = _mm_add_pd(fiy1,ty);
320 fiz1 = _mm_add_pd(fiz1,tz);
322 fjx1 = _mm_add_pd(fjx1,tx);
323 fjy1 = _mm_add_pd(fjy1,ty);
324 fjz1 = _mm_add_pd(fjz1,tz);
328 /**************************
329 * CALCULATE INTERACTIONS *
330 **************************/
332 if (gmx_mm_any_lt(rsq12,rcutoff2))
335 r12 = _mm_mul_pd(rsq12,rinv12);
337 /* EWALD ELECTROSTATICS */
339 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
340 ewrt = _mm_mul_pd(r12,ewtabscale);
341 ewitab = _mm_cvttpd_epi32(ewrt);
342 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
343 ewitab = _mm_slli_epi32(ewitab,2);
344 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
345 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
346 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
347 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
348 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
349 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
350 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
351 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
352 velec = _mm_mul_pd(qq12,_mm_sub_pd(_mm_sub_pd(rinv12,sh_ewald),velec));
353 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
355 cutoff_mask = _mm_cmplt_pd(rsq12,rcutoff2);
357 /* Update potential sum for this i atom from the interaction with this j atom. */
358 velec = _mm_and_pd(velec,cutoff_mask);
359 velecsum = _mm_add_pd(velecsum,velec);
363 fscal = _mm_and_pd(fscal,cutoff_mask);
365 /* Calculate temporary vectorial force */
366 tx = _mm_mul_pd(fscal,dx12);
367 ty = _mm_mul_pd(fscal,dy12);
368 tz = _mm_mul_pd(fscal,dz12);
370 /* Update vectorial force */
371 fix1 = _mm_add_pd(fix1,tx);
372 fiy1 = _mm_add_pd(fiy1,ty);
373 fiz1 = _mm_add_pd(fiz1,tz);
375 fjx2 = _mm_add_pd(fjx2,tx);
376 fjy2 = _mm_add_pd(fjy2,ty);
377 fjz2 = _mm_add_pd(fjz2,tz);
381 /**************************
382 * CALCULATE INTERACTIONS *
383 **************************/
385 if (gmx_mm_any_lt(rsq13,rcutoff2))
388 r13 = _mm_mul_pd(rsq13,rinv13);
390 /* EWALD ELECTROSTATICS */
392 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
393 ewrt = _mm_mul_pd(r13,ewtabscale);
394 ewitab = _mm_cvttpd_epi32(ewrt);
395 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
396 ewitab = _mm_slli_epi32(ewitab,2);
397 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
398 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
399 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
400 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
401 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
402 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
403 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
404 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
405 velec = _mm_mul_pd(qq13,_mm_sub_pd(_mm_sub_pd(rinv13,sh_ewald),velec));
406 felec = _mm_mul_pd(_mm_mul_pd(qq13,rinv13),_mm_sub_pd(rinvsq13,felec));
408 cutoff_mask = _mm_cmplt_pd(rsq13,rcutoff2);
410 /* Update potential sum for this i atom from the interaction with this j atom. */
411 velec = _mm_and_pd(velec,cutoff_mask);
412 velecsum = _mm_add_pd(velecsum,velec);
416 fscal = _mm_and_pd(fscal,cutoff_mask);
418 /* Calculate temporary vectorial force */
419 tx = _mm_mul_pd(fscal,dx13);
420 ty = _mm_mul_pd(fscal,dy13);
421 tz = _mm_mul_pd(fscal,dz13);
423 /* Update vectorial force */
424 fix1 = _mm_add_pd(fix1,tx);
425 fiy1 = _mm_add_pd(fiy1,ty);
426 fiz1 = _mm_add_pd(fiz1,tz);
428 fjx3 = _mm_add_pd(fjx3,tx);
429 fjy3 = _mm_add_pd(fjy3,ty);
430 fjz3 = _mm_add_pd(fjz3,tz);
434 /**************************
435 * CALCULATE INTERACTIONS *
436 **************************/
438 if (gmx_mm_any_lt(rsq21,rcutoff2))
441 r21 = _mm_mul_pd(rsq21,rinv21);
443 /* EWALD ELECTROSTATICS */
445 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
446 ewrt = _mm_mul_pd(r21,ewtabscale);
447 ewitab = _mm_cvttpd_epi32(ewrt);
448 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
449 ewitab = _mm_slli_epi32(ewitab,2);
450 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
451 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
452 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
453 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
454 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
455 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
456 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
457 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
458 velec = _mm_mul_pd(qq21,_mm_sub_pd(_mm_sub_pd(rinv21,sh_ewald),velec));
459 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
461 cutoff_mask = _mm_cmplt_pd(rsq21,rcutoff2);
463 /* Update potential sum for this i atom from the interaction with this j atom. */
464 velec = _mm_and_pd(velec,cutoff_mask);
465 velecsum = _mm_add_pd(velecsum,velec);
469 fscal = _mm_and_pd(fscal,cutoff_mask);
471 /* Calculate temporary vectorial force */
472 tx = _mm_mul_pd(fscal,dx21);
473 ty = _mm_mul_pd(fscal,dy21);
474 tz = _mm_mul_pd(fscal,dz21);
476 /* Update vectorial force */
477 fix2 = _mm_add_pd(fix2,tx);
478 fiy2 = _mm_add_pd(fiy2,ty);
479 fiz2 = _mm_add_pd(fiz2,tz);
481 fjx1 = _mm_add_pd(fjx1,tx);
482 fjy1 = _mm_add_pd(fjy1,ty);
483 fjz1 = _mm_add_pd(fjz1,tz);
487 /**************************
488 * CALCULATE INTERACTIONS *
489 **************************/
491 if (gmx_mm_any_lt(rsq22,rcutoff2))
494 r22 = _mm_mul_pd(rsq22,rinv22);
496 /* EWALD ELECTROSTATICS */
498 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
499 ewrt = _mm_mul_pd(r22,ewtabscale);
500 ewitab = _mm_cvttpd_epi32(ewrt);
501 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
502 ewitab = _mm_slli_epi32(ewitab,2);
503 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
504 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
505 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
506 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
507 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
508 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
509 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
510 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
511 velec = _mm_mul_pd(qq22,_mm_sub_pd(_mm_sub_pd(rinv22,sh_ewald),velec));
512 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
514 cutoff_mask = _mm_cmplt_pd(rsq22,rcutoff2);
516 /* Update potential sum for this i atom from the interaction with this j atom. */
517 velec = _mm_and_pd(velec,cutoff_mask);
518 velecsum = _mm_add_pd(velecsum,velec);
522 fscal = _mm_and_pd(fscal,cutoff_mask);
524 /* Calculate temporary vectorial force */
525 tx = _mm_mul_pd(fscal,dx22);
526 ty = _mm_mul_pd(fscal,dy22);
527 tz = _mm_mul_pd(fscal,dz22);
529 /* Update vectorial force */
530 fix2 = _mm_add_pd(fix2,tx);
531 fiy2 = _mm_add_pd(fiy2,ty);
532 fiz2 = _mm_add_pd(fiz2,tz);
534 fjx2 = _mm_add_pd(fjx2,tx);
535 fjy2 = _mm_add_pd(fjy2,ty);
536 fjz2 = _mm_add_pd(fjz2,tz);
540 /**************************
541 * CALCULATE INTERACTIONS *
542 **************************/
544 if (gmx_mm_any_lt(rsq23,rcutoff2))
547 r23 = _mm_mul_pd(rsq23,rinv23);
549 /* EWALD ELECTROSTATICS */
551 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
552 ewrt = _mm_mul_pd(r23,ewtabscale);
553 ewitab = _mm_cvttpd_epi32(ewrt);
554 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
555 ewitab = _mm_slli_epi32(ewitab,2);
556 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
557 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
558 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
559 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
560 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
561 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
562 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
563 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
564 velec = _mm_mul_pd(qq23,_mm_sub_pd(_mm_sub_pd(rinv23,sh_ewald),velec));
565 felec = _mm_mul_pd(_mm_mul_pd(qq23,rinv23),_mm_sub_pd(rinvsq23,felec));
567 cutoff_mask = _mm_cmplt_pd(rsq23,rcutoff2);
569 /* Update potential sum for this i atom from the interaction with this j atom. */
570 velec = _mm_and_pd(velec,cutoff_mask);
571 velecsum = _mm_add_pd(velecsum,velec);
575 fscal = _mm_and_pd(fscal,cutoff_mask);
577 /* Calculate temporary vectorial force */
578 tx = _mm_mul_pd(fscal,dx23);
579 ty = _mm_mul_pd(fscal,dy23);
580 tz = _mm_mul_pd(fscal,dz23);
582 /* Update vectorial force */
583 fix2 = _mm_add_pd(fix2,tx);
584 fiy2 = _mm_add_pd(fiy2,ty);
585 fiz2 = _mm_add_pd(fiz2,tz);
587 fjx3 = _mm_add_pd(fjx3,tx);
588 fjy3 = _mm_add_pd(fjy3,ty);
589 fjz3 = _mm_add_pd(fjz3,tz);
593 /**************************
594 * CALCULATE INTERACTIONS *
595 **************************/
597 if (gmx_mm_any_lt(rsq31,rcutoff2))
600 r31 = _mm_mul_pd(rsq31,rinv31);
602 /* EWALD ELECTROSTATICS */
604 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
605 ewrt = _mm_mul_pd(r31,ewtabscale);
606 ewitab = _mm_cvttpd_epi32(ewrt);
607 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
608 ewitab = _mm_slli_epi32(ewitab,2);
609 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
610 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
611 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
612 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
613 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
614 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
615 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
616 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
617 velec = _mm_mul_pd(qq31,_mm_sub_pd(_mm_sub_pd(rinv31,sh_ewald),velec));
618 felec = _mm_mul_pd(_mm_mul_pd(qq31,rinv31),_mm_sub_pd(rinvsq31,felec));
620 cutoff_mask = _mm_cmplt_pd(rsq31,rcutoff2);
622 /* Update potential sum for this i atom from the interaction with this j atom. */
623 velec = _mm_and_pd(velec,cutoff_mask);
624 velecsum = _mm_add_pd(velecsum,velec);
628 fscal = _mm_and_pd(fscal,cutoff_mask);
630 /* Calculate temporary vectorial force */
631 tx = _mm_mul_pd(fscal,dx31);
632 ty = _mm_mul_pd(fscal,dy31);
633 tz = _mm_mul_pd(fscal,dz31);
635 /* Update vectorial force */
636 fix3 = _mm_add_pd(fix3,tx);
637 fiy3 = _mm_add_pd(fiy3,ty);
638 fiz3 = _mm_add_pd(fiz3,tz);
640 fjx1 = _mm_add_pd(fjx1,tx);
641 fjy1 = _mm_add_pd(fjy1,ty);
642 fjz1 = _mm_add_pd(fjz1,tz);
646 /**************************
647 * CALCULATE INTERACTIONS *
648 **************************/
650 if (gmx_mm_any_lt(rsq32,rcutoff2))
653 r32 = _mm_mul_pd(rsq32,rinv32);
655 /* EWALD ELECTROSTATICS */
657 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
658 ewrt = _mm_mul_pd(r32,ewtabscale);
659 ewitab = _mm_cvttpd_epi32(ewrt);
660 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
661 ewitab = _mm_slli_epi32(ewitab,2);
662 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
663 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
664 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
665 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
666 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
667 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
668 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
669 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
670 velec = _mm_mul_pd(qq32,_mm_sub_pd(_mm_sub_pd(rinv32,sh_ewald),velec));
671 felec = _mm_mul_pd(_mm_mul_pd(qq32,rinv32),_mm_sub_pd(rinvsq32,felec));
673 cutoff_mask = _mm_cmplt_pd(rsq32,rcutoff2);
675 /* Update potential sum for this i atom from the interaction with this j atom. */
676 velec = _mm_and_pd(velec,cutoff_mask);
677 velecsum = _mm_add_pd(velecsum,velec);
681 fscal = _mm_and_pd(fscal,cutoff_mask);
683 /* Calculate temporary vectorial force */
684 tx = _mm_mul_pd(fscal,dx32);
685 ty = _mm_mul_pd(fscal,dy32);
686 tz = _mm_mul_pd(fscal,dz32);
688 /* Update vectorial force */
689 fix3 = _mm_add_pd(fix3,tx);
690 fiy3 = _mm_add_pd(fiy3,ty);
691 fiz3 = _mm_add_pd(fiz3,tz);
693 fjx2 = _mm_add_pd(fjx2,tx);
694 fjy2 = _mm_add_pd(fjy2,ty);
695 fjz2 = _mm_add_pd(fjz2,tz);
699 /**************************
700 * CALCULATE INTERACTIONS *
701 **************************/
703 if (gmx_mm_any_lt(rsq33,rcutoff2))
706 r33 = _mm_mul_pd(rsq33,rinv33);
708 /* EWALD ELECTROSTATICS */
710 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
711 ewrt = _mm_mul_pd(r33,ewtabscale);
712 ewitab = _mm_cvttpd_epi32(ewrt);
713 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
714 ewitab = _mm_slli_epi32(ewitab,2);
715 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
716 ewtabD = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,1) );
717 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
718 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
719 ewtabFn = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,1) +2);
720 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
721 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
722 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
723 velec = _mm_mul_pd(qq33,_mm_sub_pd(_mm_sub_pd(rinv33,sh_ewald),velec));
724 felec = _mm_mul_pd(_mm_mul_pd(qq33,rinv33),_mm_sub_pd(rinvsq33,felec));
726 cutoff_mask = _mm_cmplt_pd(rsq33,rcutoff2);
728 /* Update potential sum for this i atom from the interaction with this j atom. */
729 velec = _mm_and_pd(velec,cutoff_mask);
730 velecsum = _mm_add_pd(velecsum,velec);
734 fscal = _mm_and_pd(fscal,cutoff_mask);
736 /* Calculate temporary vectorial force */
737 tx = _mm_mul_pd(fscal,dx33);
738 ty = _mm_mul_pd(fscal,dy33);
739 tz = _mm_mul_pd(fscal,dz33);
741 /* Update vectorial force */
742 fix3 = _mm_add_pd(fix3,tx);
743 fiy3 = _mm_add_pd(fiy3,ty);
744 fiz3 = _mm_add_pd(fiz3,tz);
746 fjx3 = _mm_add_pd(fjx3,tx);
747 fjy3 = _mm_add_pd(fjy3,ty);
748 fjz3 = _mm_add_pd(fjz3,tz);
752 gmx_mm_decrement_3rvec_2ptr_swizzle_pd(f+j_coord_offsetA+DIM,f+j_coord_offsetB+DIM,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
754 /* Inner loop uses 414 flops */
761 j_coord_offsetA = DIM*jnrA;
763 /* load j atom coordinates */
764 gmx_mm_load_3rvec_1ptr_swizzle_pd(x+j_coord_offsetA+DIM,
765 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
767 /* Calculate displacement vector */
768 dx11 = _mm_sub_pd(ix1,jx1);
769 dy11 = _mm_sub_pd(iy1,jy1);
770 dz11 = _mm_sub_pd(iz1,jz1);
771 dx12 = _mm_sub_pd(ix1,jx2);
772 dy12 = _mm_sub_pd(iy1,jy2);
773 dz12 = _mm_sub_pd(iz1,jz2);
774 dx13 = _mm_sub_pd(ix1,jx3);
775 dy13 = _mm_sub_pd(iy1,jy3);
776 dz13 = _mm_sub_pd(iz1,jz3);
777 dx21 = _mm_sub_pd(ix2,jx1);
778 dy21 = _mm_sub_pd(iy2,jy1);
779 dz21 = _mm_sub_pd(iz2,jz1);
780 dx22 = _mm_sub_pd(ix2,jx2);
781 dy22 = _mm_sub_pd(iy2,jy2);
782 dz22 = _mm_sub_pd(iz2,jz2);
783 dx23 = _mm_sub_pd(ix2,jx3);
784 dy23 = _mm_sub_pd(iy2,jy3);
785 dz23 = _mm_sub_pd(iz2,jz3);
786 dx31 = _mm_sub_pd(ix3,jx1);
787 dy31 = _mm_sub_pd(iy3,jy1);
788 dz31 = _mm_sub_pd(iz3,jz1);
789 dx32 = _mm_sub_pd(ix3,jx2);
790 dy32 = _mm_sub_pd(iy3,jy2);
791 dz32 = _mm_sub_pd(iz3,jz2);
792 dx33 = _mm_sub_pd(ix3,jx3);
793 dy33 = _mm_sub_pd(iy3,jy3);
794 dz33 = _mm_sub_pd(iz3,jz3);
796 /* Calculate squared distance and things based on it */
797 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
798 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
799 rsq13 = gmx_mm_calc_rsq_pd(dx13,dy13,dz13);
800 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
801 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
802 rsq23 = gmx_mm_calc_rsq_pd(dx23,dy23,dz23);
803 rsq31 = gmx_mm_calc_rsq_pd(dx31,dy31,dz31);
804 rsq32 = gmx_mm_calc_rsq_pd(dx32,dy32,dz32);
805 rsq33 = gmx_mm_calc_rsq_pd(dx33,dy33,dz33);
807 rinv11 = sse41_invsqrt_d(rsq11);
808 rinv12 = sse41_invsqrt_d(rsq12);
809 rinv13 = sse41_invsqrt_d(rsq13);
810 rinv21 = sse41_invsqrt_d(rsq21);
811 rinv22 = sse41_invsqrt_d(rsq22);
812 rinv23 = sse41_invsqrt_d(rsq23);
813 rinv31 = sse41_invsqrt_d(rsq31);
814 rinv32 = sse41_invsqrt_d(rsq32);
815 rinv33 = sse41_invsqrt_d(rsq33);
817 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
818 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
819 rinvsq13 = _mm_mul_pd(rinv13,rinv13);
820 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
821 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
822 rinvsq23 = _mm_mul_pd(rinv23,rinv23);
823 rinvsq31 = _mm_mul_pd(rinv31,rinv31);
824 rinvsq32 = _mm_mul_pd(rinv32,rinv32);
825 rinvsq33 = _mm_mul_pd(rinv33,rinv33);
827 fjx1 = _mm_setzero_pd();
828 fjy1 = _mm_setzero_pd();
829 fjz1 = _mm_setzero_pd();
830 fjx2 = _mm_setzero_pd();
831 fjy2 = _mm_setzero_pd();
832 fjz2 = _mm_setzero_pd();
833 fjx3 = _mm_setzero_pd();
834 fjy3 = _mm_setzero_pd();
835 fjz3 = _mm_setzero_pd();
837 /**************************
838 * CALCULATE INTERACTIONS *
839 **************************/
841 if (gmx_mm_any_lt(rsq11,rcutoff2))
844 r11 = _mm_mul_pd(rsq11,rinv11);
846 /* EWALD ELECTROSTATICS */
848 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
849 ewrt = _mm_mul_pd(r11,ewtabscale);
850 ewitab = _mm_cvttpd_epi32(ewrt);
851 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
852 ewitab = _mm_slli_epi32(ewitab,2);
853 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
854 ewtabD = _mm_setzero_pd();
855 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
856 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
857 ewtabFn = _mm_setzero_pd();
858 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
859 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
860 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
861 velec = _mm_mul_pd(qq11,_mm_sub_pd(_mm_sub_pd(rinv11,sh_ewald),velec));
862 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
864 cutoff_mask = _mm_cmplt_pd(rsq11,rcutoff2);
866 /* Update potential sum for this i atom from the interaction with this j atom. */
867 velec = _mm_and_pd(velec,cutoff_mask);
868 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
869 velecsum = _mm_add_pd(velecsum,velec);
873 fscal = _mm_and_pd(fscal,cutoff_mask);
875 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
877 /* Calculate temporary vectorial force */
878 tx = _mm_mul_pd(fscal,dx11);
879 ty = _mm_mul_pd(fscal,dy11);
880 tz = _mm_mul_pd(fscal,dz11);
882 /* Update vectorial force */
883 fix1 = _mm_add_pd(fix1,tx);
884 fiy1 = _mm_add_pd(fiy1,ty);
885 fiz1 = _mm_add_pd(fiz1,tz);
887 fjx1 = _mm_add_pd(fjx1,tx);
888 fjy1 = _mm_add_pd(fjy1,ty);
889 fjz1 = _mm_add_pd(fjz1,tz);
893 /**************************
894 * CALCULATE INTERACTIONS *
895 **************************/
897 if (gmx_mm_any_lt(rsq12,rcutoff2))
900 r12 = _mm_mul_pd(rsq12,rinv12);
902 /* EWALD ELECTROSTATICS */
904 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
905 ewrt = _mm_mul_pd(r12,ewtabscale);
906 ewitab = _mm_cvttpd_epi32(ewrt);
907 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
908 ewitab = _mm_slli_epi32(ewitab,2);
909 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
910 ewtabD = _mm_setzero_pd();
911 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
912 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
913 ewtabFn = _mm_setzero_pd();
914 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
915 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
916 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
917 velec = _mm_mul_pd(qq12,_mm_sub_pd(_mm_sub_pd(rinv12,sh_ewald),velec));
918 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
920 cutoff_mask = _mm_cmplt_pd(rsq12,rcutoff2);
922 /* Update potential sum for this i atom from the interaction with this j atom. */
923 velec = _mm_and_pd(velec,cutoff_mask);
924 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
925 velecsum = _mm_add_pd(velecsum,velec);
929 fscal = _mm_and_pd(fscal,cutoff_mask);
931 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
933 /* Calculate temporary vectorial force */
934 tx = _mm_mul_pd(fscal,dx12);
935 ty = _mm_mul_pd(fscal,dy12);
936 tz = _mm_mul_pd(fscal,dz12);
938 /* Update vectorial force */
939 fix1 = _mm_add_pd(fix1,tx);
940 fiy1 = _mm_add_pd(fiy1,ty);
941 fiz1 = _mm_add_pd(fiz1,tz);
943 fjx2 = _mm_add_pd(fjx2,tx);
944 fjy2 = _mm_add_pd(fjy2,ty);
945 fjz2 = _mm_add_pd(fjz2,tz);
949 /**************************
950 * CALCULATE INTERACTIONS *
951 **************************/
953 if (gmx_mm_any_lt(rsq13,rcutoff2))
956 r13 = _mm_mul_pd(rsq13,rinv13);
958 /* EWALD ELECTROSTATICS */
960 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
961 ewrt = _mm_mul_pd(r13,ewtabscale);
962 ewitab = _mm_cvttpd_epi32(ewrt);
963 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
964 ewitab = _mm_slli_epi32(ewitab,2);
965 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
966 ewtabD = _mm_setzero_pd();
967 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
968 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
969 ewtabFn = _mm_setzero_pd();
970 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
971 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
972 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
973 velec = _mm_mul_pd(qq13,_mm_sub_pd(_mm_sub_pd(rinv13,sh_ewald),velec));
974 felec = _mm_mul_pd(_mm_mul_pd(qq13,rinv13),_mm_sub_pd(rinvsq13,felec));
976 cutoff_mask = _mm_cmplt_pd(rsq13,rcutoff2);
978 /* Update potential sum for this i atom from the interaction with this j atom. */
979 velec = _mm_and_pd(velec,cutoff_mask);
980 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
981 velecsum = _mm_add_pd(velecsum,velec);
985 fscal = _mm_and_pd(fscal,cutoff_mask);
987 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
989 /* Calculate temporary vectorial force */
990 tx = _mm_mul_pd(fscal,dx13);
991 ty = _mm_mul_pd(fscal,dy13);
992 tz = _mm_mul_pd(fscal,dz13);
994 /* Update vectorial force */
995 fix1 = _mm_add_pd(fix1,tx);
996 fiy1 = _mm_add_pd(fiy1,ty);
997 fiz1 = _mm_add_pd(fiz1,tz);
999 fjx3 = _mm_add_pd(fjx3,tx);
1000 fjy3 = _mm_add_pd(fjy3,ty);
1001 fjz3 = _mm_add_pd(fjz3,tz);
1005 /**************************
1006 * CALCULATE INTERACTIONS *
1007 **************************/
1009 if (gmx_mm_any_lt(rsq21,rcutoff2))
1012 r21 = _mm_mul_pd(rsq21,rinv21);
1014 /* EWALD ELECTROSTATICS */
1016 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1017 ewrt = _mm_mul_pd(r21,ewtabscale);
1018 ewitab = _mm_cvttpd_epi32(ewrt);
1019 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1020 ewitab = _mm_slli_epi32(ewitab,2);
1021 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1022 ewtabD = _mm_setzero_pd();
1023 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1024 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1025 ewtabFn = _mm_setzero_pd();
1026 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1027 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1028 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1029 velec = _mm_mul_pd(qq21,_mm_sub_pd(_mm_sub_pd(rinv21,sh_ewald),velec));
1030 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
1032 cutoff_mask = _mm_cmplt_pd(rsq21,rcutoff2);
1034 /* Update potential sum for this i atom from the interaction with this j atom. */
1035 velec = _mm_and_pd(velec,cutoff_mask);
1036 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1037 velecsum = _mm_add_pd(velecsum,velec);
1041 fscal = _mm_and_pd(fscal,cutoff_mask);
1043 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1045 /* Calculate temporary vectorial force */
1046 tx = _mm_mul_pd(fscal,dx21);
1047 ty = _mm_mul_pd(fscal,dy21);
1048 tz = _mm_mul_pd(fscal,dz21);
1050 /* Update vectorial force */
1051 fix2 = _mm_add_pd(fix2,tx);
1052 fiy2 = _mm_add_pd(fiy2,ty);
1053 fiz2 = _mm_add_pd(fiz2,tz);
1055 fjx1 = _mm_add_pd(fjx1,tx);
1056 fjy1 = _mm_add_pd(fjy1,ty);
1057 fjz1 = _mm_add_pd(fjz1,tz);
1061 /**************************
1062 * CALCULATE INTERACTIONS *
1063 **************************/
1065 if (gmx_mm_any_lt(rsq22,rcutoff2))
1068 r22 = _mm_mul_pd(rsq22,rinv22);
1070 /* EWALD ELECTROSTATICS */
1072 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1073 ewrt = _mm_mul_pd(r22,ewtabscale);
1074 ewitab = _mm_cvttpd_epi32(ewrt);
1075 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1076 ewitab = _mm_slli_epi32(ewitab,2);
1077 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1078 ewtabD = _mm_setzero_pd();
1079 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1080 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1081 ewtabFn = _mm_setzero_pd();
1082 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1083 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1084 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1085 velec = _mm_mul_pd(qq22,_mm_sub_pd(_mm_sub_pd(rinv22,sh_ewald),velec));
1086 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
1088 cutoff_mask = _mm_cmplt_pd(rsq22,rcutoff2);
1090 /* Update potential sum for this i atom from the interaction with this j atom. */
1091 velec = _mm_and_pd(velec,cutoff_mask);
1092 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1093 velecsum = _mm_add_pd(velecsum,velec);
1097 fscal = _mm_and_pd(fscal,cutoff_mask);
1099 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1101 /* Calculate temporary vectorial force */
1102 tx = _mm_mul_pd(fscal,dx22);
1103 ty = _mm_mul_pd(fscal,dy22);
1104 tz = _mm_mul_pd(fscal,dz22);
1106 /* Update vectorial force */
1107 fix2 = _mm_add_pd(fix2,tx);
1108 fiy2 = _mm_add_pd(fiy2,ty);
1109 fiz2 = _mm_add_pd(fiz2,tz);
1111 fjx2 = _mm_add_pd(fjx2,tx);
1112 fjy2 = _mm_add_pd(fjy2,ty);
1113 fjz2 = _mm_add_pd(fjz2,tz);
1117 /**************************
1118 * CALCULATE INTERACTIONS *
1119 **************************/
1121 if (gmx_mm_any_lt(rsq23,rcutoff2))
1124 r23 = _mm_mul_pd(rsq23,rinv23);
1126 /* EWALD ELECTROSTATICS */
1128 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1129 ewrt = _mm_mul_pd(r23,ewtabscale);
1130 ewitab = _mm_cvttpd_epi32(ewrt);
1131 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1132 ewitab = _mm_slli_epi32(ewitab,2);
1133 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1134 ewtabD = _mm_setzero_pd();
1135 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1136 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1137 ewtabFn = _mm_setzero_pd();
1138 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1139 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1140 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1141 velec = _mm_mul_pd(qq23,_mm_sub_pd(_mm_sub_pd(rinv23,sh_ewald),velec));
1142 felec = _mm_mul_pd(_mm_mul_pd(qq23,rinv23),_mm_sub_pd(rinvsq23,felec));
1144 cutoff_mask = _mm_cmplt_pd(rsq23,rcutoff2);
1146 /* Update potential sum for this i atom from the interaction with this j atom. */
1147 velec = _mm_and_pd(velec,cutoff_mask);
1148 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1149 velecsum = _mm_add_pd(velecsum,velec);
1153 fscal = _mm_and_pd(fscal,cutoff_mask);
1155 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1157 /* Calculate temporary vectorial force */
1158 tx = _mm_mul_pd(fscal,dx23);
1159 ty = _mm_mul_pd(fscal,dy23);
1160 tz = _mm_mul_pd(fscal,dz23);
1162 /* Update vectorial force */
1163 fix2 = _mm_add_pd(fix2,tx);
1164 fiy2 = _mm_add_pd(fiy2,ty);
1165 fiz2 = _mm_add_pd(fiz2,tz);
1167 fjx3 = _mm_add_pd(fjx3,tx);
1168 fjy3 = _mm_add_pd(fjy3,ty);
1169 fjz3 = _mm_add_pd(fjz3,tz);
1173 /**************************
1174 * CALCULATE INTERACTIONS *
1175 **************************/
1177 if (gmx_mm_any_lt(rsq31,rcutoff2))
1180 r31 = _mm_mul_pd(rsq31,rinv31);
1182 /* EWALD ELECTROSTATICS */
1184 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1185 ewrt = _mm_mul_pd(r31,ewtabscale);
1186 ewitab = _mm_cvttpd_epi32(ewrt);
1187 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1188 ewitab = _mm_slli_epi32(ewitab,2);
1189 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1190 ewtabD = _mm_setzero_pd();
1191 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1192 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1193 ewtabFn = _mm_setzero_pd();
1194 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1195 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1196 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1197 velec = _mm_mul_pd(qq31,_mm_sub_pd(_mm_sub_pd(rinv31,sh_ewald),velec));
1198 felec = _mm_mul_pd(_mm_mul_pd(qq31,rinv31),_mm_sub_pd(rinvsq31,felec));
1200 cutoff_mask = _mm_cmplt_pd(rsq31,rcutoff2);
1202 /* Update potential sum for this i atom from the interaction with this j atom. */
1203 velec = _mm_and_pd(velec,cutoff_mask);
1204 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1205 velecsum = _mm_add_pd(velecsum,velec);
1209 fscal = _mm_and_pd(fscal,cutoff_mask);
1211 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1213 /* Calculate temporary vectorial force */
1214 tx = _mm_mul_pd(fscal,dx31);
1215 ty = _mm_mul_pd(fscal,dy31);
1216 tz = _mm_mul_pd(fscal,dz31);
1218 /* Update vectorial force */
1219 fix3 = _mm_add_pd(fix3,tx);
1220 fiy3 = _mm_add_pd(fiy3,ty);
1221 fiz3 = _mm_add_pd(fiz3,tz);
1223 fjx1 = _mm_add_pd(fjx1,tx);
1224 fjy1 = _mm_add_pd(fjy1,ty);
1225 fjz1 = _mm_add_pd(fjz1,tz);
1229 /**************************
1230 * CALCULATE INTERACTIONS *
1231 **************************/
1233 if (gmx_mm_any_lt(rsq32,rcutoff2))
1236 r32 = _mm_mul_pd(rsq32,rinv32);
1238 /* EWALD ELECTROSTATICS */
1240 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1241 ewrt = _mm_mul_pd(r32,ewtabscale);
1242 ewitab = _mm_cvttpd_epi32(ewrt);
1243 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1244 ewitab = _mm_slli_epi32(ewitab,2);
1245 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1246 ewtabD = _mm_setzero_pd();
1247 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1248 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1249 ewtabFn = _mm_setzero_pd();
1250 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1251 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1252 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1253 velec = _mm_mul_pd(qq32,_mm_sub_pd(_mm_sub_pd(rinv32,sh_ewald),velec));
1254 felec = _mm_mul_pd(_mm_mul_pd(qq32,rinv32),_mm_sub_pd(rinvsq32,felec));
1256 cutoff_mask = _mm_cmplt_pd(rsq32,rcutoff2);
1258 /* Update potential sum for this i atom from the interaction with this j atom. */
1259 velec = _mm_and_pd(velec,cutoff_mask);
1260 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1261 velecsum = _mm_add_pd(velecsum,velec);
1265 fscal = _mm_and_pd(fscal,cutoff_mask);
1267 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1269 /* Calculate temporary vectorial force */
1270 tx = _mm_mul_pd(fscal,dx32);
1271 ty = _mm_mul_pd(fscal,dy32);
1272 tz = _mm_mul_pd(fscal,dz32);
1274 /* Update vectorial force */
1275 fix3 = _mm_add_pd(fix3,tx);
1276 fiy3 = _mm_add_pd(fiy3,ty);
1277 fiz3 = _mm_add_pd(fiz3,tz);
1279 fjx2 = _mm_add_pd(fjx2,tx);
1280 fjy2 = _mm_add_pd(fjy2,ty);
1281 fjz2 = _mm_add_pd(fjz2,tz);
1285 /**************************
1286 * CALCULATE INTERACTIONS *
1287 **************************/
1289 if (gmx_mm_any_lt(rsq33,rcutoff2))
1292 r33 = _mm_mul_pd(rsq33,rinv33);
1294 /* EWALD ELECTROSTATICS */
1296 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1297 ewrt = _mm_mul_pd(r33,ewtabscale);
1298 ewitab = _mm_cvttpd_epi32(ewrt);
1299 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1300 ewitab = _mm_slli_epi32(ewitab,2);
1301 ewtabF = _mm_load_pd( ewtab + gmx_mm_extract_epi32(ewitab,0) );
1302 ewtabD = _mm_setzero_pd();
1303 GMX_MM_TRANSPOSE2_PD(ewtabF,ewtabD);
1304 ewtabV = _mm_load_sd( ewtab + gmx_mm_extract_epi32(ewitab,0) +2);
1305 ewtabFn = _mm_setzero_pd();
1306 GMX_MM_TRANSPOSE2_PD(ewtabV,ewtabFn);
1307 felec = _mm_add_pd(ewtabF,_mm_mul_pd(eweps,ewtabD));
1308 velec = _mm_sub_pd(ewtabV,_mm_mul_pd(_mm_mul_pd(ewtabhalfspace,eweps),_mm_add_pd(ewtabF,felec)));
1309 velec = _mm_mul_pd(qq33,_mm_sub_pd(_mm_sub_pd(rinv33,sh_ewald),velec));
1310 felec = _mm_mul_pd(_mm_mul_pd(qq33,rinv33),_mm_sub_pd(rinvsq33,felec));
1312 cutoff_mask = _mm_cmplt_pd(rsq33,rcutoff2);
1314 /* Update potential sum for this i atom from the interaction with this j atom. */
1315 velec = _mm_and_pd(velec,cutoff_mask);
1316 velec = _mm_unpacklo_pd(velec,_mm_setzero_pd());
1317 velecsum = _mm_add_pd(velecsum,velec);
1321 fscal = _mm_and_pd(fscal,cutoff_mask);
1323 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
1325 /* Calculate temporary vectorial force */
1326 tx = _mm_mul_pd(fscal,dx33);
1327 ty = _mm_mul_pd(fscal,dy33);
1328 tz = _mm_mul_pd(fscal,dz33);
1330 /* Update vectorial force */
1331 fix3 = _mm_add_pd(fix3,tx);
1332 fiy3 = _mm_add_pd(fiy3,ty);
1333 fiz3 = _mm_add_pd(fiz3,tz);
1335 fjx3 = _mm_add_pd(fjx3,tx);
1336 fjy3 = _mm_add_pd(fjy3,ty);
1337 fjz3 = _mm_add_pd(fjz3,tz);
1341 gmx_mm_decrement_3rvec_1ptr_swizzle_pd(f+j_coord_offsetA+DIM,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1343 /* Inner loop uses 414 flops */
1346 /* End of innermost loop */
1348 gmx_mm_update_iforce_3atom_swizzle_pd(fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
1349 f+i_coord_offset+DIM,fshift+i_shift_offset);
1352 /* Update potential energies */
1353 gmx_mm_update_1pot_pd(velecsum,kernel_data->energygrp_elec+ggid);
1355 /* Increment number of inner iterations */
1356 inneriter += j_index_end - j_index_start;
1358 /* Outer loop uses 19 flops */
1361 /* Increment number of outer iterations */
1364 /* Update outer/inner flops */
1366 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_VF,outeriter*19 + inneriter*414);
1369 * Gromacs nonbonded kernel: nb_kernel_ElecEwSh_VdwNone_GeomW4W4_F_sse4_1_double
1370 * Electrostatics interaction: Ewald
1371 * VdW interaction: None
1372 * Geometry: Water4-Water4
1373 * Calculate force/pot: Force
1376 nb_kernel_ElecEwSh_VdwNone_GeomW4W4_F_sse4_1_double
1377 (t_nblist * gmx_restrict nlist,
1378 rvec * gmx_restrict xx,
1379 rvec * gmx_restrict ff,
1380 struct t_forcerec * gmx_restrict fr,
1381 t_mdatoms * gmx_restrict mdatoms,
1382 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
1383 t_nrnb * gmx_restrict nrnb)
1385 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1386 * just 0 for non-waters.
1387 * Suffixes A,B refer to j loop unrolling done with SSE double precision, e.g. for the two different
1388 * jnr indices corresponding to data put in the four positions in the SIMD register.
1390 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1391 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1393 int j_coord_offsetA,j_coord_offsetB;
1394 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1395 real rcutoff_scalar;
1396 real *shiftvec,*fshift,*x,*f;
1397 __m128d tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
1399 __m128d ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1401 __m128d ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1403 __m128d ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3;
1404 int vdwjidx1A,vdwjidx1B;
1405 __m128d jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1406 int vdwjidx2A,vdwjidx2B;
1407 __m128d jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1408 int vdwjidx3A,vdwjidx3B;
1409 __m128d jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3;
1410 __m128d dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1411 __m128d dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1412 __m128d dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13;
1413 __m128d dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1414 __m128d dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1415 __m128d dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23;
1416 __m128d dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31;
1417 __m128d dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32;
1418 __m128d dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33;
1419 __m128d velec,felec,velecsum,facel,crf,krf,krf2;
1422 __m128d ewtabscale,eweps,sh_ewald,ewrt,ewtabhalfspace,ewtabF,ewtabFn,ewtabD,ewtabV;
1424 __m128d dummy_mask,cutoff_mask;
1425 __m128d signbit = gmx_mm_castsi128_pd( _mm_set_epi32(0x80000000,0x00000000,0x80000000,0x00000000) );
1426 __m128d one = _mm_set1_pd(1.0);
1427 __m128d two = _mm_set1_pd(2.0);
1433 jindex = nlist->jindex;
1435 shiftidx = nlist->shift;
1437 shiftvec = fr->shift_vec[0];
1438 fshift = fr->fshift[0];
1439 facel = _mm_set1_pd(fr->ic->epsfac);
1440 charge = mdatoms->chargeA;
1442 sh_ewald = _mm_set1_pd(fr->ic->sh_ewald);
1443 ewtab = fr->ic->tabq_coul_F;
1444 ewtabscale = _mm_set1_pd(fr->ic->tabq_scale);
1445 ewtabhalfspace = _mm_set1_pd(0.5/fr->ic->tabq_scale);
1447 /* Setup water-specific parameters */
1448 inr = nlist->iinr[0];
1449 iq1 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+1]));
1450 iq2 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+2]));
1451 iq3 = _mm_mul_pd(facel,_mm_set1_pd(charge[inr+3]));
1453 jq1 = _mm_set1_pd(charge[inr+1]);
1454 jq2 = _mm_set1_pd(charge[inr+2]);
1455 jq3 = _mm_set1_pd(charge[inr+3]);
1456 qq11 = _mm_mul_pd(iq1,jq1);
1457 qq12 = _mm_mul_pd(iq1,jq2);
1458 qq13 = _mm_mul_pd(iq1,jq3);
1459 qq21 = _mm_mul_pd(iq2,jq1);
1460 qq22 = _mm_mul_pd(iq2,jq2);
1461 qq23 = _mm_mul_pd(iq2,jq3);
1462 qq31 = _mm_mul_pd(iq3,jq1);
1463 qq32 = _mm_mul_pd(iq3,jq2);
1464 qq33 = _mm_mul_pd(iq3,jq3);
1466 /* When we use explicit cutoffs the value must be identical for elec and VdW, so use elec as an arbitrary choice */
1467 rcutoff_scalar = fr->ic->rcoulomb;
1468 rcutoff = _mm_set1_pd(rcutoff_scalar);
1469 rcutoff2 = _mm_mul_pd(rcutoff,rcutoff);
1471 /* Avoid stupid compiler warnings */
1473 j_coord_offsetA = 0;
1474 j_coord_offsetB = 0;
1479 /* Start outer loop over neighborlists */
1480 for(iidx=0; iidx<nri; iidx++)
1482 /* Load shift vector for this list */
1483 i_shift_offset = DIM*shiftidx[iidx];
1485 /* Load limits for loop over neighbors */
1486 j_index_start = jindex[iidx];
1487 j_index_end = jindex[iidx+1];
1489 /* Get outer coordinate index */
1491 i_coord_offset = DIM*inr;
1493 /* Load i particle coords and add shift vector */
1494 gmx_mm_load_shift_and_3rvec_broadcast_pd(shiftvec+i_shift_offset,x+i_coord_offset+DIM,
1495 &ix1,&iy1,&iz1,&ix2,&iy2,&iz2,&ix3,&iy3,&iz3);
1497 fix1 = _mm_setzero_pd();
1498 fiy1 = _mm_setzero_pd();
1499 fiz1 = _mm_setzero_pd();
1500 fix2 = _mm_setzero_pd();
1501 fiy2 = _mm_setzero_pd();
1502 fiz2 = _mm_setzero_pd();
1503 fix3 = _mm_setzero_pd();
1504 fiy3 = _mm_setzero_pd();
1505 fiz3 = _mm_setzero_pd();
1507 /* Start inner kernel loop */
1508 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
1511 /* Get j neighbor index, and coordinate index */
1513 jnrB = jjnr[jidx+1];
1514 j_coord_offsetA = DIM*jnrA;
1515 j_coord_offsetB = DIM*jnrB;
1517 /* load j atom coordinates */
1518 gmx_mm_load_3rvec_2ptr_swizzle_pd(x+j_coord_offsetA+DIM,x+j_coord_offsetB+DIM,
1519 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
1521 /* Calculate displacement vector */
1522 dx11 = _mm_sub_pd(ix1,jx1);
1523 dy11 = _mm_sub_pd(iy1,jy1);
1524 dz11 = _mm_sub_pd(iz1,jz1);
1525 dx12 = _mm_sub_pd(ix1,jx2);
1526 dy12 = _mm_sub_pd(iy1,jy2);
1527 dz12 = _mm_sub_pd(iz1,jz2);
1528 dx13 = _mm_sub_pd(ix1,jx3);
1529 dy13 = _mm_sub_pd(iy1,jy3);
1530 dz13 = _mm_sub_pd(iz1,jz3);
1531 dx21 = _mm_sub_pd(ix2,jx1);
1532 dy21 = _mm_sub_pd(iy2,jy1);
1533 dz21 = _mm_sub_pd(iz2,jz1);
1534 dx22 = _mm_sub_pd(ix2,jx2);
1535 dy22 = _mm_sub_pd(iy2,jy2);
1536 dz22 = _mm_sub_pd(iz2,jz2);
1537 dx23 = _mm_sub_pd(ix2,jx3);
1538 dy23 = _mm_sub_pd(iy2,jy3);
1539 dz23 = _mm_sub_pd(iz2,jz3);
1540 dx31 = _mm_sub_pd(ix3,jx1);
1541 dy31 = _mm_sub_pd(iy3,jy1);
1542 dz31 = _mm_sub_pd(iz3,jz1);
1543 dx32 = _mm_sub_pd(ix3,jx2);
1544 dy32 = _mm_sub_pd(iy3,jy2);
1545 dz32 = _mm_sub_pd(iz3,jz2);
1546 dx33 = _mm_sub_pd(ix3,jx3);
1547 dy33 = _mm_sub_pd(iy3,jy3);
1548 dz33 = _mm_sub_pd(iz3,jz3);
1550 /* Calculate squared distance and things based on it */
1551 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
1552 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
1553 rsq13 = gmx_mm_calc_rsq_pd(dx13,dy13,dz13);
1554 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
1555 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
1556 rsq23 = gmx_mm_calc_rsq_pd(dx23,dy23,dz23);
1557 rsq31 = gmx_mm_calc_rsq_pd(dx31,dy31,dz31);
1558 rsq32 = gmx_mm_calc_rsq_pd(dx32,dy32,dz32);
1559 rsq33 = gmx_mm_calc_rsq_pd(dx33,dy33,dz33);
1561 rinv11 = sse41_invsqrt_d(rsq11);
1562 rinv12 = sse41_invsqrt_d(rsq12);
1563 rinv13 = sse41_invsqrt_d(rsq13);
1564 rinv21 = sse41_invsqrt_d(rsq21);
1565 rinv22 = sse41_invsqrt_d(rsq22);
1566 rinv23 = sse41_invsqrt_d(rsq23);
1567 rinv31 = sse41_invsqrt_d(rsq31);
1568 rinv32 = sse41_invsqrt_d(rsq32);
1569 rinv33 = sse41_invsqrt_d(rsq33);
1571 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
1572 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
1573 rinvsq13 = _mm_mul_pd(rinv13,rinv13);
1574 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
1575 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
1576 rinvsq23 = _mm_mul_pd(rinv23,rinv23);
1577 rinvsq31 = _mm_mul_pd(rinv31,rinv31);
1578 rinvsq32 = _mm_mul_pd(rinv32,rinv32);
1579 rinvsq33 = _mm_mul_pd(rinv33,rinv33);
1581 fjx1 = _mm_setzero_pd();
1582 fjy1 = _mm_setzero_pd();
1583 fjz1 = _mm_setzero_pd();
1584 fjx2 = _mm_setzero_pd();
1585 fjy2 = _mm_setzero_pd();
1586 fjz2 = _mm_setzero_pd();
1587 fjx3 = _mm_setzero_pd();
1588 fjy3 = _mm_setzero_pd();
1589 fjz3 = _mm_setzero_pd();
1591 /**************************
1592 * CALCULATE INTERACTIONS *
1593 **************************/
1595 if (gmx_mm_any_lt(rsq11,rcutoff2))
1598 r11 = _mm_mul_pd(rsq11,rinv11);
1600 /* EWALD ELECTROSTATICS */
1602 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1603 ewrt = _mm_mul_pd(r11,ewtabscale);
1604 ewitab = _mm_cvttpd_epi32(ewrt);
1605 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1606 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1608 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1609 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
1611 cutoff_mask = _mm_cmplt_pd(rsq11,rcutoff2);
1615 fscal = _mm_and_pd(fscal,cutoff_mask);
1617 /* Calculate temporary vectorial force */
1618 tx = _mm_mul_pd(fscal,dx11);
1619 ty = _mm_mul_pd(fscal,dy11);
1620 tz = _mm_mul_pd(fscal,dz11);
1622 /* Update vectorial force */
1623 fix1 = _mm_add_pd(fix1,tx);
1624 fiy1 = _mm_add_pd(fiy1,ty);
1625 fiz1 = _mm_add_pd(fiz1,tz);
1627 fjx1 = _mm_add_pd(fjx1,tx);
1628 fjy1 = _mm_add_pd(fjy1,ty);
1629 fjz1 = _mm_add_pd(fjz1,tz);
1633 /**************************
1634 * CALCULATE INTERACTIONS *
1635 **************************/
1637 if (gmx_mm_any_lt(rsq12,rcutoff2))
1640 r12 = _mm_mul_pd(rsq12,rinv12);
1642 /* EWALD ELECTROSTATICS */
1644 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1645 ewrt = _mm_mul_pd(r12,ewtabscale);
1646 ewitab = _mm_cvttpd_epi32(ewrt);
1647 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1648 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1650 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1651 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
1653 cutoff_mask = _mm_cmplt_pd(rsq12,rcutoff2);
1657 fscal = _mm_and_pd(fscal,cutoff_mask);
1659 /* Calculate temporary vectorial force */
1660 tx = _mm_mul_pd(fscal,dx12);
1661 ty = _mm_mul_pd(fscal,dy12);
1662 tz = _mm_mul_pd(fscal,dz12);
1664 /* Update vectorial force */
1665 fix1 = _mm_add_pd(fix1,tx);
1666 fiy1 = _mm_add_pd(fiy1,ty);
1667 fiz1 = _mm_add_pd(fiz1,tz);
1669 fjx2 = _mm_add_pd(fjx2,tx);
1670 fjy2 = _mm_add_pd(fjy2,ty);
1671 fjz2 = _mm_add_pd(fjz2,tz);
1675 /**************************
1676 * CALCULATE INTERACTIONS *
1677 **************************/
1679 if (gmx_mm_any_lt(rsq13,rcutoff2))
1682 r13 = _mm_mul_pd(rsq13,rinv13);
1684 /* EWALD ELECTROSTATICS */
1686 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1687 ewrt = _mm_mul_pd(r13,ewtabscale);
1688 ewitab = _mm_cvttpd_epi32(ewrt);
1689 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1690 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1692 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1693 felec = _mm_mul_pd(_mm_mul_pd(qq13,rinv13),_mm_sub_pd(rinvsq13,felec));
1695 cutoff_mask = _mm_cmplt_pd(rsq13,rcutoff2);
1699 fscal = _mm_and_pd(fscal,cutoff_mask);
1701 /* Calculate temporary vectorial force */
1702 tx = _mm_mul_pd(fscal,dx13);
1703 ty = _mm_mul_pd(fscal,dy13);
1704 tz = _mm_mul_pd(fscal,dz13);
1706 /* Update vectorial force */
1707 fix1 = _mm_add_pd(fix1,tx);
1708 fiy1 = _mm_add_pd(fiy1,ty);
1709 fiz1 = _mm_add_pd(fiz1,tz);
1711 fjx3 = _mm_add_pd(fjx3,tx);
1712 fjy3 = _mm_add_pd(fjy3,ty);
1713 fjz3 = _mm_add_pd(fjz3,tz);
1717 /**************************
1718 * CALCULATE INTERACTIONS *
1719 **************************/
1721 if (gmx_mm_any_lt(rsq21,rcutoff2))
1724 r21 = _mm_mul_pd(rsq21,rinv21);
1726 /* EWALD ELECTROSTATICS */
1728 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1729 ewrt = _mm_mul_pd(r21,ewtabscale);
1730 ewitab = _mm_cvttpd_epi32(ewrt);
1731 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1732 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1734 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1735 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
1737 cutoff_mask = _mm_cmplt_pd(rsq21,rcutoff2);
1741 fscal = _mm_and_pd(fscal,cutoff_mask);
1743 /* Calculate temporary vectorial force */
1744 tx = _mm_mul_pd(fscal,dx21);
1745 ty = _mm_mul_pd(fscal,dy21);
1746 tz = _mm_mul_pd(fscal,dz21);
1748 /* Update vectorial force */
1749 fix2 = _mm_add_pd(fix2,tx);
1750 fiy2 = _mm_add_pd(fiy2,ty);
1751 fiz2 = _mm_add_pd(fiz2,tz);
1753 fjx1 = _mm_add_pd(fjx1,tx);
1754 fjy1 = _mm_add_pd(fjy1,ty);
1755 fjz1 = _mm_add_pd(fjz1,tz);
1759 /**************************
1760 * CALCULATE INTERACTIONS *
1761 **************************/
1763 if (gmx_mm_any_lt(rsq22,rcutoff2))
1766 r22 = _mm_mul_pd(rsq22,rinv22);
1768 /* EWALD ELECTROSTATICS */
1770 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1771 ewrt = _mm_mul_pd(r22,ewtabscale);
1772 ewitab = _mm_cvttpd_epi32(ewrt);
1773 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1774 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1776 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1777 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
1779 cutoff_mask = _mm_cmplt_pd(rsq22,rcutoff2);
1783 fscal = _mm_and_pd(fscal,cutoff_mask);
1785 /* Calculate temporary vectorial force */
1786 tx = _mm_mul_pd(fscal,dx22);
1787 ty = _mm_mul_pd(fscal,dy22);
1788 tz = _mm_mul_pd(fscal,dz22);
1790 /* Update vectorial force */
1791 fix2 = _mm_add_pd(fix2,tx);
1792 fiy2 = _mm_add_pd(fiy2,ty);
1793 fiz2 = _mm_add_pd(fiz2,tz);
1795 fjx2 = _mm_add_pd(fjx2,tx);
1796 fjy2 = _mm_add_pd(fjy2,ty);
1797 fjz2 = _mm_add_pd(fjz2,tz);
1801 /**************************
1802 * CALCULATE INTERACTIONS *
1803 **************************/
1805 if (gmx_mm_any_lt(rsq23,rcutoff2))
1808 r23 = _mm_mul_pd(rsq23,rinv23);
1810 /* EWALD ELECTROSTATICS */
1812 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1813 ewrt = _mm_mul_pd(r23,ewtabscale);
1814 ewitab = _mm_cvttpd_epi32(ewrt);
1815 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1816 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1818 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1819 felec = _mm_mul_pd(_mm_mul_pd(qq23,rinv23),_mm_sub_pd(rinvsq23,felec));
1821 cutoff_mask = _mm_cmplt_pd(rsq23,rcutoff2);
1825 fscal = _mm_and_pd(fscal,cutoff_mask);
1827 /* Calculate temporary vectorial force */
1828 tx = _mm_mul_pd(fscal,dx23);
1829 ty = _mm_mul_pd(fscal,dy23);
1830 tz = _mm_mul_pd(fscal,dz23);
1832 /* Update vectorial force */
1833 fix2 = _mm_add_pd(fix2,tx);
1834 fiy2 = _mm_add_pd(fiy2,ty);
1835 fiz2 = _mm_add_pd(fiz2,tz);
1837 fjx3 = _mm_add_pd(fjx3,tx);
1838 fjy3 = _mm_add_pd(fjy3,ty);
1839 fjz3 = _mm_add_pd(fjz3,tz);
1843 /**************************
1844 * CALCULATE INTERACTIONS *
1845 **************************/
1847 if (gmx_mm_any_lt(rsq31,rcutoff2))
1850 r31 = _mm_mul_pd(rsq31,rinv31);
1852 /* EWALD ELECTROSTATICS */
1854 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1855 ewrt = _mm_mul_pd(r31,ewtabscale);
1856 ewitab = _mm_cvttpd_epi32(ewrt);
1857 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1858 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1860 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1861 felec = _mm_mul_pd(_mm_mul_pd(qq31,rinv31),_mm_sub_pd(rinvsq31,felec));
1863 cutoff_mask = _mm_cmplt_pd(rsq31,rcutoff2);
1867 fscal = _mm_and_pd(fscal,cutoff_mask);
1869 /* Calculate temporary vectorial force */
1870 tx = _mm_mul_pd(fscal,dx31);
1871 ty = _mm_mul_pd(fscal,dy31);
1872 tz = _mm_mul_pd(fscal,dz31);
1874 /* Update vectorial force */
1875 fix3 = _mm_add_pd(fix3,tx);
1876 fiy3 = _mm_add_pd(fiy3,ty);
1877 fiz3 = _mm_add_pd(fiz3,tz);
1879 fjx1 = _mm_add_pd(fjx1,tx);
1880 fjy1 = _mm_add_pd(fjy1,ty);
1881 fjz1 = _mm_add_pd(fjz1,tz);
1885 /**************************
1886 * CALCULATE INTERACTIONS *
1887 **************************/
1889 if (gmx_mm_any_lt(rsq32,rcutoff2))
1892 r32 = _mm_mul_pd(rsq32,rinv32);
1894 /* EWALD ELECTROSTATICS */
1896 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1897 ewrt = _mm_mul_pd(r32,ewtabscale);
1898 ewitab = _mm_cvttpd_epi32(ewrt);
1899 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1900 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1902 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1903 felec = _mm_mul_pd(_mm_mul_pd(qq32,rinv32),_mm_sub_pd(rinvsq32,felec));
1905 cutoff_mask = _mm_cmplt_pd(rsq32,rcutoff2);
1909 fscal = _mm_and_pd(fscal,cutoff_mask);
1911 /* Calculate temporary vectorial force */
1912 tx = _mm_mul_pd(fscal,dx32);
1913 ty = _mm_mul_pd(fscal,dy32);
1914 tz = _mm_mul_pd(fscal,dz32);
1916 /* Update vectorial force */
1917 fix3 = _mm_add_pd(fix3,tx);
1918 fiy3 = _mm_add_pd(fiy3,ty);
1919 fiz3 = _mm_add_pd(fiz3,tz);
1921 fjx2 = _mm_add_pd(fjx2,tx);
1922 fjy2 = _mm_add_pd(fjy2,ty);
1923 fjz2 = _mm_add_pd(fjz2,tz);
1927 /**************************
1928 * CALCULATE INTERACTIONS *
1929 **************************/
1931 if (gmx_mm_any_lt(rsq33,rcutoff2))
1934 r33 = _mm_mul_pd(rsq33,rinv33);
1936 /* EWALD ELECTROSTATICS */
1938 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
1939 ewrt = _mm_mul_pd(r33,ewtabscale);
1940 ewitab = _mm_cvttpd_epi32(ewrt);
1941 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
1942 gmx_mm_load_2pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),ewtab+gmx_mm_extract_epi32(ewitab,1),
1944 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
1945 felec = _mm_mul_pd(_mm_mul_pd(qq33,rinv33),_mm_sub_pd(rinvsq33,felec));
1947 cutoff_mask = _mm_cmplt_pd(rsq33,rcutoff2);
1951 fscal = _mm_and_pd(fscal,cutoff_mask);
1953 /* Calculate temporary vectorial force */
1954 tx = _mm_mul_pd(fscal,dx33);
1955 ty = _mm_mul_pd(fscal,dy33);
1956 tz = _mm_mul_pd(fscal,dz33);
1958 /* Update vectorial force */
1959 fix3 = _mm_add_pd(fix3,tx);
1960 fiy3 = _mm_add_pd(fiy3,ty);
1961 fiz3 = _mm_add_pd(fiz3,tz);
1963 fjx3 = _mm_add_pd(fjx3,tx);
1964 fjy3 = _mm_add_pd(fjy3,ty);
1965 fjz3 = _mm_add_pd(fjz3,tz);
1969 gmx_mm_decrement_3rvec_2ptr_swizzle_pd(f+j_coord_offsetA+DIM,f+j_coord_offsetB+DIM,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
1971 /* Inner loop uses 351 flops */
1974 if(jidx<j_index_end)
1978 j_coord_offsetA = DIM*jnrA;
1980 /* load j atom coordinates */
1981 gmx_mm_load_3rvec_1ptr_swizzle_pd(x+j_coord_offsetA+DIM,
1982 &jx1,&jy1,&jz1,&jx2,&jy2,&jz2,&jx3,&jy3,&jz3);
1984 /* Calculate displacement vector */
1985 dx11 = _mm_sub_pd(ix1,jx1);
1986 dy11 = _mm_sub_pd(iy1,jy1);
1987 dz11 = _mm_sub_pd(iz1,jz1);
1988 dx12 = _mm_sub_pd(ix1,jx2);
1989 dy12 = _mm_sub_pd(iy1,jy2);
1990 dz12 = _mm_sub_pd(iz1,jz2);
1991 dx13 = _mm_sub_pd(ix1,jx3);
1992 dy13 = _mm_sub_pd(iy1,jy3);
1993 dz13 = _mm_sub_pd(iz1,jz3);
1994 dx21 = _mm_sub_pd(ix2,jx1);
1995 dy21 = _mm_sub_pd(iy2,jy1);
1996 dz21 = _mm_sub_pd(iz2,jz1);
1997 dx22 = _mm_sub_pd(ix2,jx2);
1998 dy22 = _mm_sub_pd(iy2,jy2);
1999 dz22 = _mm_sub_pd(iz2,jz2);
2000 dx23 = _mm_sub_pd(ix2,jx3);
2001 dy23 = _mm_sub_pd(iy2,jy3);
2002 dz23 = _mm_sub_pd(iz2,jz3);
2003 dx31 = _mm_sub_pd(ix3,jx1);
2004 dy31 = _mm_sub_pd(iy3,jy1);
2005 dz31 = _mm_sub_pd(iz3,jz1);
2006 dx32 = _mm_sub_pd(ix3,jx2);
2007 dy32 = _mm_sub_pd(iy3,jy2);
2008 dz32 = _mm_sub_pd(iz3,jz2);
2009 dx33 = _mm_sub_pd(ix3,jx3);
2010 dy33 = _mm_sub_pd(iy3,jy3);
2011 dz33 = _mm_sub_pd(iz3,jz3);
2013 /* Calculate squared distance and things based on it */
2014 rsq11 = gmx_mm_calc_rsq_pd(dx11,dy11,dz11);
2015 rsq12 = gmx_mm_calc_rsq_pd(dx12,dy12,dz12);
2016 rsq13 = gmx_mm_calc_rsq_pd(dx13,dy13,dz13);
2017 rsq21 = gmx_mm_calc_rsq_pd(dx21,dy21,dz21);
2018 rsq22 = gmx_mm_calc_rsq_pd(dx22,dy22,dz22);
2019 rsq23 = gmx_mm_calc_rsq_pd(dx23,dy23,dz23);
2020 rsq31 = gmx_mm_calc_rsq_pd(dx31,dy31,dz31);
2021 rsq32 = gmx_mm_calc_rsq_pd(dx32,dy32,dz32);
2022 rsq33 = gmx_mm_calc_rsq_pd(dx33,dy33,dz33);
2024 rinv11 = sse41_invsqrt_d(rsq11);
2025 rinv12 = sse41_invsqrt_d(rsq12);
2026 rinv13 = sse41_invsqrt_d(rsq13);
2027 rinv21 = sse41_invsqrt_d(rsq21);
2028 rinv22 = sse41_invsqrt_d(rsq22);
2029 rinv23 = sse41_invsqrt_d(rsq23);
2030 rinv31 = sse41_invsqrt_d(rsq31);
2031 rinv32 = sse41_invsqrt_d(rsq32);
2032 rinv33 = sse41_invsqrt_d(rsq33);
2034 rinvsq11 = _mm_mul_pd(rinv11,rinv11);
2035 rinvsq12 = _mm_mul_pd(rinv12,rinv12);
2036 rinvsq13 = _mm_mul_pd(rinv13,rinv13);
2037 rinvsq21 = _mm_mul_pd(rinv21,rinv21);
2038 rinvsq22 = _mm_mul_pd(rinv22,rinv22);
2039 rinvsq23 = _mm_mul_pd(rinv23,rinv23);
2040 rinvsq31 = _mm_mul_pd(rinv31,rinv31);
2041 rinvsq32 = _mm_mul_pd(rinv32,rinv32);
2042 rinvsq33 = _mm_mul_pd(rinv33,rinv33);
2044 fjx1 = _mm_setzero_pd();
2045 fjy1 = _mm_setzero_pd();
2046 fjz1 = _mm_setzero_pd();
2047 fjx2 = _mm_setzero_pd();
2048 fjy2 = _mm_setzero_pd();
2049 fjz2 = _mm_setzero_pd();
2050 fjx3 = _mm_setzero_pd();
2051 fjy3 = _mm_setzero_pd();
2052 fjz3 = _mm_setzero_pd();
2054 /**************************
2055 * CALCULATE INTERACTIONS *
2056 **************************/
2058 if (gmx_mm_any_lt(rsq11,rcutoff2))
2061 r11 = _mm_mul_pd(rsq11,rinv11);
2063 /* EWALD ELECTROSTATICS */
2065 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2066 ewrt = _mm_mul_pd(r11,ewtabscale);
2067 ewitab = _mm_cvttpd_epi32(ewrt);
2068 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2069 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2070 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2071 felec = _mm_mul_pd(_mm_mul_pd(qq11,rinv11),_mm_sub_pd(rinvsq11,felec));
2073 cutoff_mask = _mm_cmplt_pd(rsq11,rcutoff2);
2077 fscal = _mm_and_pd(fscal,cutoff_mask);
2079 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2081 /* Calculate temporary vectorial force */
2082 tx = _mm_mul_pd(fscal,dx11);
2083 ty = _mm_mul_pd(fscal,dy11);
2084 tz = _mm_mul_pd(fscal,dz11);
2086 /* Update vectorial force */
2087 fix1 = _mm_add_pd(fix1,tx);
2088 fiy1 = _mm_add_pd(fiy1,ty);
2089 fiz1 = _mm_add_pd(fiz1,tz);
2091 fjx1 = _mm_add_pd(fjx1,tx);
2092 fjy1 = _mm_add_pd(fjy1,ty);
2093 fjz1 = _mm_add_pd(fjz1,tz);
2097 /**************************
2098 * CALCULATE INTERACTIONS *
2099 **************************/
2101 if (gmx_mm_any_lt(rsq12,rcutoff2))
2104 r12 = _mm_mul_pd(rsq12,rinv12);
2106 /* EWALD ELECTROSTATICS */
2108 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2109 ewrt = _mm_mul_pd(r12,ewtabscale);
2110 ewitab = _mm_cvttpd_epi32(ewrt);
2111 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2112 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2113 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2114 felec = _mm_mul_pd(_mm_mul_pd(qq12,rinv12),_mm_sub_pd(rinvsq12,felec));
2116 cutoff_mask = _mm_cmplt_pd(rsq12,rcutoff2);
2120 fscal = _mm_and_pd(fscal,cutoff_mask);
2122 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2124 /* Calculate temporary vectorial force */
2125 tx = _mm_mul_pd(fscal,dx12);
2126 ty = _mm_mul_pd(fscal,dy12);
2127 tz = _mm_mul_pd(fscal,dz12);
2129 /* Update vectorial force */
2130 fix1 = _mm_add_pd(fix1,tx);
2131 fiy1 = _mm_add_pd(fiy1,ty);
2132 fiz1 = _mm_add_pd(fiz1,tz);
2134 fjx2 = _mm_add_pd(fjx2,tx);
2135 fjy2 = _mm_add_pd(fjy2,ty);
2136 fjz2 = _mm_add_pd(fjz2,tz);
2140 /**************************
2141 * CALCULATE INTERACTIONS *
2142 **************************/
2144 if (gmx_mm_any_lt(rsq13,rcutoff2))
2147 r13 = _mm_mul_pd(rsq13,rinv13);
2149 /* EWALD ELECTROSTATICS */
2151 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2152 ewrt = _mm_mul_pd(r13,ewtabscale);
2153 ewitab = _mm_cvttpd_epi32(ewrt);
2154 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2155 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2156 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2157 felec = _mm_mul_pd(_mm_mul_pd(qq13,rinv13),_mm_sub_pd(rinvsq13,felec));
2159 cutoff_mask = _mm_cmplt_pd(rsq13,rcutoff2);
2163 fscal = _mm_and_pd(fscal,cutoff_mask);
2165 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2167 /* Calculate temporary vectorial force */
2168 tx = _mm_mul_pd(fscal,dx13);
2169 ty = _mm_mul_pd(fscal,dy13);
2170 tz = _mm_mul_pd(fscal,dz13);
2172 /* Update vectorial force */
2173 fix1 = _mm_add_pd(fix1,tx);
2174 fiy1 = _mm_add_pd(fiy1,ty);
2175 fiz1 = _mm_add_pd(fiz1,tz);
2177 fjx3 = _mm_add_pd(fjx3,tx);
2178 fjy3 = _mm_add_pd(fjy3,ty);
2179 fjz3 = _mm_add_pd(fjz3,tz);
2183 /**************************
2184 * CALCULATE INTERACTIONS *
2185 **************************/
2187 if (gmx_mm_any_lt(rsq21,rcutoff2))
2190 r21 = _mm_mul_pd(rsq21,rinv21);
2192 /* EWALD ELECTROSTATICS */
2194 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2195 ewrt = _mm_mul_pd(r21,ewtabscale);
2196 ewitab = _mm_cvttpd_epi32(ewrt);
2197 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2198 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2199 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2200 felec = _mm_mul_pd(_mm_mul_pd(qq21,rinv21),_mm_sub_pd(rinvsq21,felec));
2202 cutoff_mask = _mm_cmplt_pd(rsq21,rcutoff2);
2206 fscal = _mm_and_pd(fscal,cutoff_mask);
2208 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2210 /* Calculate temporary vectorial force */
2211 tx = _mm_mul_pd(fscal,dx21);
2212 ty = _mm_mul_pd(fscal,dy21);
2213 tz = _mm_mul_pd(fscal,dz21);
2215 /* Update vectorial force */
2216 fix2 = _mm_add_pd(fix2,tx);
2217 fiy2 = _mm_add_pd(fiy2,ty);
2218 fiz2 = _mm_add_pd(fiz2,tz);
2220 fjx1 = _mm_add_pd(fjx1,tx);
2221 fjy1 = _mm_add_pd(fjy1,ty);
2222 fjz1 = _mm_add_pd(fjz1,tz);
2226 /**************************
2227 * CALCULATE INTERACTIONS *
2228 **************************/
2230 if (gmx_mm_any_lt(rsq22,rcutoff2))
2233 r22 = _mm_mul_pd(rsq22,rinv22);
2235 /* EWALD ELECTROSTATICS */
2237 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2238 ewrt = _mm_mul_pd(r22,ewtabscale);
2239 ewitab = _mm_cvttpd_epi32(ewrt);
2240 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2241 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2242 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2243 felec = _mm_mul_pd(_mm_mul_pd(qq22,rinv22),_mm_sub_pd(rinvsq22,felec));
2245 cutoff_mask = _mm_cmplt_pd(rsq22,rcutoff2);
2249 fscal = _mm_and_pd(fscal,cutoff_mask);
2251 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2253 /* Calculate temporary vectorial force */
2254 tx = _mm_mul_pd(fscal,dx22);
2255 ty = _mm_mul_pd(fscal,dy22);
2256 tz = _mm_mul_pd(fscal,dz22);
2258 /* Update vectorial force */
2259 fix2 = _mm_add_pd(fix2,tx);
2260 fiy2 = _mm_add_pd(fiy2,ty);
2261 fiz2 = _mm_add_pd(fiz2,tz);
2263 fjx2 = _mm_add_pd(fjx2,tx);
2264 fjy2 = _mm_add_pd(fjy2,ty);
2265 fjz2 = _mm_add_pd(fjz2,tz);
2269 /**************************
2270 * CALCULATE INTERACTIONS *
2271 **************************/
2273 if (gmx_mm_any_lt(rsq23,rcutoff2))
2276 r23 = _mm_mul_pd(rsq23,rinv23);
2278 /* EWALD ELECTROSTATICS */
2280 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2281 ewrt = _mm_mul_pd(r23,ewtabscale);
2282 ewitab = _mm_cvttpd_epi32(ewrt);
2283 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2284 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2285 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2286 felec = _mm_mul_pd(_mm_mul_pd(qq23,rinv23),_mm_sub_pd(rinvsq23,felec));
2288 cutoff_mask = _mm_cmplt_pd(rsq23,rcutoff2);
2292 fscal = _mm_and_pd(fscal,cutoff_mask);
2294 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2296 /* Calculate temporary vectorial force */
2297 tx = _mm_mul_pd(fscal,dx23);
2298 ty = _mm_mul_pd(fscal,dy23);
2299 tz = _mm_mul_pd(fscal,dz23);
2301 /* Update vectorial force */
2302 fix2 = _mm_add_pd(fix2,tx);
2303 fiy2 = _mm_add_pd(fiy2,ty);
2304 fiz2 = _mm_add_pd(fiz2,tz);
2306 fjx3 = _mm_add_pd(fjx3,tx);
2307 fjy3 = _mm_add_pd(fjy3,ty);
2308 fjz3 = _mm_add_pd(fjz3,tz);
2312 /**************************
2313 * CALCULATE INTERACTIONS *
2314 **************************/
2316 if (gmx_mm_any_lt(rsq31,rcutoff2))
2319 r31 = _mm_mul_pd(rsq31,rinv31);
2321 /* EWALD ELECTROSTATICS */
2323 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2324 ewrt = _mm_mul_pd(r31,ewtabscale);
2325 ewitab = _mm_cvttpd_epi32(ewrt);
2326 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2327 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2328 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2329 felec = _mm_mul_pd(_mm_mul_pd(qq31,rinv31),_mm_sub_pd(rinvsq31,felec));
2331 cutoff_mask = _mm_cmplt_pd(rsq31,rcutoff2);
2335 fscal = _mm_and_pd(fscal,cutoff_mask);
2337 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2339 /* Calculate temporary vectorial force */
2340 tx = _mm_mul_pd(fscal,dx31);
2341 ty = _mm_mul_pd(fscal,dy31);
2342 tz = _mm_mul_pd(fscal,dz31);
2344 /* Update vectorial force */
2345 fix3 = _mm_add_pd(fix3,tx);
2346 fiy3 = _mm_add_pd(fiy3,ty);
2347 fiz3 = _mm_add_pd(fiz3,tz);
2349 fjx1 = _mm_add_pd(fjx1,tx);
2350 fjy1 = _mm_add_pd(fjy1,ty);
2351 fjz1 = _mm_add_pd(fjz1,tz);
2355 /**************************
2356 * CALCULATE INTERACTIONS *
2357 **************************/
2359 if (gmx_mm_any_lt(rsq32,rcutoff2))
2362 r32 = _mm_mul_pd(rsq32,rinv32);
2364 /* EWALD ELECTROSTATICS */
2366 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2367 ewrt = _mm_mul_pd(r32,ewtabscale);
2368 ewitab = _mm_cvttpd_epi32(ewrt);
2369 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2370 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2371 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2372 felec = _mm_mul_pd(_mm_mul_pd(qq32,rinv32),_mm_sub_pd(rinvsq32,felec));
2374 cutoff_mask = _mm_cmplt_pd(rsq32,rcutoff2);
2378 fscal = _mm_and_pd(fscal,cutoff_mask);
2380 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2382 /* Calculate temporary vectorial force */
2383 tx = _mm_mul_pd(fscal,dx32);
2384 ty = _mm_mul_pd(fscal,dy32);
2385 tz = _mm_mul_pd(fscal,dz32);
2387 /* Update vectorial force */
2388 fix3 = _mm_add_pd(fix3,tx);
2389 fiy3 = _mm_add_pd(fiy3,ty);
2390 fiz3 = _mm_add_pd(fiz3,tz);
2392 fjx2 = _mm_add_pd(fjx2,tx);
2393 fjy2 = _mm_add_pd(fjy2,ty);
2394 fjz2 = _mm_add_pd(fjz2,tz);
2398 /**************************
2399 * CALCULATE INTERACTIONS *
2400 **************************/
2402 if (gmx_mm_any_lt(rsq33,rcutoff2))
2405 r33 = _mm_mul_pd(rsq33,rinv33);
2407 /* EWALD ELECTROSTATICS */
2409 /* Calculate Ewald table index by multiplying r with scale and truncate to integer */
2410 ewrt = _mm_mul_pd(r33,ewtabscale);
2411 ewitab = _mm_cvttpd_epi32(ewrt);
2412 eweps = _mm_sub_pd(ewrt,_mm_round_pd(ewrt, _MM_FROUND_FLOOR));
2413 gmx_mm_load_1pair_swizzle_pd(ewtab+gmx_mm_extract_epi32(ewitab,0),&ewtabF,&ewtabFn);
2414 felec = _mm_add_pd(_mm_mul_pd( _mm_sub_pd(one,eweps),ewtabF),_mm_mul_pd(eweps,ewtabFn));
2415 felec = _mm_mul_pd(_mm_mul_pd(qq33,rinv33),_mm_sub_pd(rinvsq33,felec));
2417 cutoff_mask = _mm_cmplt_pd(rsq33,rcutoff2);
2421 fscal = _mm_and_pd(fscal,cutoff_mask);
2423 fscal = _mm_unpacklo_pd(fscal,_mm_setzero_pd());
2425 /* Calculate temporary vectorial force */
2426 tx = _mm_mul_pd(fscal,dx33);
2427 ty = _mm_mul_pd(fscal,dy33);
2428 tz = _mm_mul_pd(fscal,dz33);
2430 /* Update vectorial force */
2431 fix3 = _mm_add_pd(fix3,tx);
2432 fiy3 = _mm_add_pd(fiy3,ty);
2433 fiz3 = _mm_add_pd(fiz3,tz);
2435 fjx3 = _mm_add_pd(fjx3,tx);
2436 fjy3 = _mm_add_pd(fjy3,ty);
2437 fjz3 = _mm_add_pd(fjz3,tz);
2441 gmx_mm_decrement_3rvec_1ptr_swizzle_pd(f+j_coord_offsetA+DIM,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2,fjx3,fjy3,fjz3);
2443 /* Inner loop uses 351 flops */
2446 /* End of innermost loop */
2448 gmx_mm_update_iforce_3atom_swizzle_pd(fix1,fiy1,fiz1,fix2,fiy2,fiz2,fix3,fiy3,fiz3,
2449 f+i_coord_offset+DIM,fshift+i_shift_offset);
2451 /* Increment number of inner iterations */
2452 inneriter += j_index_end - j_index_start;
2454 /* Outer loop uses 18 flops */
2457 /* Increment number of outer iterations */
2460 /* Update outer/inner flops */
2462 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_F,outeriter*18 + inneriter*351);