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36 * Note: this file was generated by the GROMACS sparc64_hpc_ace_double kernel generator.
44 #include "../nb_kernel.h"
45 #include "gromacs/gmxlib/nrnb.h"
47 #include "kernelutil_sparc64_hpc_ace_double.h"
50 * Gromacs nonbonded kernel: nb_kernel_ElecCSTab_VdwCSTab_GeomW3P1_VF_sparc64_hpc_ace_double
51 * Electrostatics interaction: CubicSplineTable
52 * VdW interaction: CubicSplineTable
53 * Geometry: Water3-Particle
54 * Calculate force/pot: PotentialAndForce
57 nb_kernel_ElecCSTab_VdwCSTab_GeomW3P1_VF_sparc64_hpc_ace_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 double precision SIMD, 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 _fjsp_v2r8 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
80 _fjsp_v2r8 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
82 _fjsp_v2r8 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
84 _fjsp_v2r8 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
85 int vdwjidx0A,vdwjidx0B;
86 _fjsp_v2r8 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
87 _fjsp_v2r8 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
88 _fjsp_v2r8 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
89 _fjsp_v2r8 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
90 _fjsp_v2r8 velec,felec,velecsum,facel,crf,krf,krf2;
93 _fjsp_v2r8 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
96 _fjsp_v2r8 one_sixth = gmx_fjsp_set1_v2r8(1.0/6.0);
97 _fjsp_v2r8 one_twelfth = gmx_fjsp_set1_v2r8(1.0/12.0);
98 _fjsp_v2r8 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF,twovfeps;
101 _fjsp_v2r8 dummy_mask,cutoff_mask;
102 _fjsp_v2r8 one = gmx_fjsp_set1_v2r8(1.0);
103 _fjsp_v2r8 two = gmx_fjsp_set1_v2r8(2.0);
104 union { _fjsp_v2r8 simd; long long int i[2]; } vfconv,gbconv,ewconv;
111 jindex = nlist->jindex;
113 shiftidx = nlist->shift;
115 shiftvec = fr->shift_vec[0];
116 fshift = fr->fshift[0];
117 facel = gmx_fjsp_set1_v2r8(fr->ic->epsfac);
118 charge = mdatoms->chargeA;
119 nvdwtype = fr->ntype;
121 vdwtype = mdatoms->typeA;
123 vftab = kernel_data->table_elec_vdw->data;
124 vftabscale = gmx_fjsp_set1_v2r8(kernel_data->table_elec_vdw->scale);
126 /* Setup water-specific parameters */
127 inr = nlist->iinr[0];
128 iq0 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+0]));
129 iq1 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+1]));
130 iq2 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+2]));
131 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
133 /* Avoid stupid compiler warnings */
141 /* Start outer loop over neighborlists */
142 for(iidx=0; iidx<nri; iidx++)
144 /* Load shift vector for this list */
145 i_shift_offset = DIM*shiftidx[iidx];
147 /* Load limits for loop over neighbors */
148 j_index_start = jindex[iidx];
149 j_index_end = jindex[iidx+1];
151 /* Get outer coordinate index */
153 i_coord_offset = DIM*inr;
155 /* Load i particle coords and add shift vector */
156 gmx_fjsp_load_shift_and_3rvec_broadcast_v2r8(shiftvec+i_shift_offset,x+i_coord_offset,
157 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
159 fix0 = _fjsp_setzero_v2r8();
160 fiy0 = _fjsp_setzero_v2r8();
161 fiz0 = _fjsp_setzero_v2r8();
162 fix1 = _fjsp_setzero_v2r8();
163 fiy1 = _fjsp_setzero_v2r8();
164 fiz1 = _fjsp_setzero_v2r8();
165 fix2 = _fjsp_setzero_v2r8();
166 fiy2 = _fjsp_setzero_v2r8();
167 fiz2 = _fjsp_setzero_v2r8();
169 /* Reset potential sums */
170 velecsum = _fjsp_setzero_v2r8();
171 vvdwsum = _fjsp_setzero_v2r8();
173 /* Start inner kernel loop */
174 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
177 /* Get j neighbor index, and coordinate index */
180 j_coord_offsetA = DIM*jnrA;
181 j_coord_offsetB = DIM*jnrB;
183 /* load j atom coordinates */
184 gmx_fjsp_load_1rvec_2ptr_swizzle_v2r8(x+j_coord_offsetA,x+j_coord_offsetB,
187 /* Calculate displacement vector */
188 dx00 = _fjsp_sub_v2r8(ix0,jx0);
189 dy00 = _fjsp_sub_v2r8(iy0,jy0);
190 dz00 = _fjsp_sub_v2r8(iz0,jz0);
191 dx10 = _fjsp_sub_v2r8(ix1,jx0);
192 dy10 = _fjsp_sub_v2r8(iy1,jy0);
193 dz10 = _fjsp_sub_v2r8(iz1,jz0);
194 dx20 = _fjsp_sub_v2r8(ix2,jx0);
195 dy20 = _fjsp_sub_v2r8(iy2,jy0);
196 dz20 = _fjsp_sub_v2r8(iz2,jz0);
198 /* Calculate squared distance and things based on it */
199 rsq00 = gmx_fjsp_calc_rsq_v2r8(dx00,dy00,dz00);
200 rsq10 = gmx_fjsp_calc_rsq_v2r8(dx10,dy10,dz10);
201 rsq20 = gmx_fjsp_calc_rsq_v2r8(dx20,dy20,dz20);
203 rinv00 = gmx_fjsp_invsqrt_v2r8(rsq00);
204 rinv10 = gmx_fjsp_invsqrt_v2r8(rsq10);
205 rinv20 = gmx_fjsp_invsqrt_v2r8(rsq20);
207 /* Load parameters for j particles */
208 jq0 = gmx_fjsp_load_2real_swizzle_v2r8(charge+jnrA+0,charge+jnrB+0);
209 vdwjidx0A = 2*vdwtype[jnrA+0];
210 vdwjidx0B = 2*vdwtype[jnrB+0];
212 fjx0 = _fjsp_setzero_v2r8();
213 fjy0 = _fjsp_setzero_v2r8();
214 fjz0 = _fjsp_setzero_v2r8();
216 /**************************
217 * CALCULATE INTERACTIONS *
218 **************************/
220 r00 = _fjsp_mul_v2r8(rsq00,rinv00);
222 /* Compute parameters for interactions between i and j atoms */
223 qq00 = _fjsp_mul_v2r8(iq0,jq0);
224 gmx_fjsp_load_2pair_swizzle_v2r8(vdwparam+vdwioffset0+vdwjidx0A,
225 vdwparam+vdwioffset0+vdwjidx0B,&c6_00,&c12_00);
227 /* Calculate table index by multiplying r with table scale and truncate to integer */
228 rt = _fjsp_mul_v2r8(r00,vftabscale);
229 itab_tmp = _fjsp_dtox_v2r8(rt);
230 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
231 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
232 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
237 /* CUBIC SPLINE TABLE ELECTROSTATICS */
238 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
239 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
240 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
241 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
242 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
243 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
244 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
245 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
246 velec = _fjsp_mul_v2r8(qq00,VV);
247 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
248 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq00,FF),_fjsp_mul_v2r8(vftabscale,rinv00)));
250 /* CUBIC SPLINE TABLE DISPERSION */
253 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
254 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
255 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
256 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 2 );
257 H = _fjsp_load_v2r8( vftab + vfconv.i[1] + 2 );
258 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
259 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
260 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
261 vvdw6 = _fjsp_mul_v2r8(c6_00,VV);
262 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
263 fvdw6 = _fjsp_mul_v2r8(c6_00,FF);
265 /* CUBIC SPLINE TABLE REPULSION */
266 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] + 4 );
267 F = _fjsp_load_v2r8( vftab + vfconv.i[1] + 4 );
268 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
269 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 6 );
270 H = _fjsp_load_v2r8( vftab + vfconv.i[1] + 6 );
271 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
272 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
273 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
274 vvdw12 = _fjsp_mul_v2r8(c12_00,VV);
275 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
276 fvdw12 = _fjsp_mul_v2r8(c12_00,FF);
277 vvdw = _fjsp_add_v2r8(vvdw12,vvdw6);
278 fvdw = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_add_v2r8(fvdw6,fvdw12),_fjsp_mul_v2r8(vftabscale,rinv00)));
280 /* Update potential sum for this i atom from the interaction with this j atom. */
281 velecsum = _fjsp_add_v2r8(velecsum,velec);
282 vvdwsum = _fjsp_add_v2r8(vvdwsum,vvdw);
284 fscal = _fjsp_add_v2r8(felec,fvdw);
286 /* Update vectorial force */
287 fix0 = _fjsp_madd_v2r8(dx00,fscal,fix0);
288 fiy0 = _fjsp_madd_v2r8(dy00,fscal,fiy0);
289 fiz0 = _fjsp_madd_v2r8(dz00,fscal,fiz0);
291 fjx0 = _fjsp_madd_v2r8(dx00,fscal,fjx0);
292 fjy0 = _fjsp_madd_v2r8(dy00,fscal,fjy0);
293 fjz0 = _fjsp_madd_v2r8(dz00,fscal,fjz0);
295 /**************************
296 * CALCULATE INTERACTIONS *
297 **************************/
299 r10 = _fjsp_mul_v2r8(rsq10,rinv10);
301 /* Compute parameters for interactions between i and j atoms */
302 qq10 = _fjsp_mul_v2r8(iq1,jq0);
304 /* Calculate table index by multiplying r with table scale and truncate to integer */
305 rt = _fjsp_mul_v2r8(r10,vftabscale);
306 itab_tmp = _fjsp_dtox_v2r8(rt);
307 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
308 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
309 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
314 /* CUBIC SPLINE TABLE ELECTROSTATICS */
315 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
316 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
317 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
318 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
319 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
320 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
321 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
322 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
323 velec = _fjsp_mul_v2r8(qq10,VV);
324 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
325 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq10,FF),_fjsp_mul_v2r8(vftabscale,rinv10)));
327 /* Update potential sum for this i atom from the interaction with this j atom. */
328 velecsum = _fjsp_add_v2r8(velecsum,velec);
332 /* Update vectorial force */
333 fix1 = _fjsp_madd_v2r8(dx10,fscal,fix1);
334 fiy1 = _fjsp_madd_v2r8(dy10,fscal,fiy1);
335 fiz1 = _fjsp_madd_v2r8(dz10,fscal,fiz1);
337 fjx0 = _fjsp_madd_v2r8(dx10,fscal,fjx0);
338 fjy0 = _fjsp_madd_v2r8(dy10,fscal,fjy0);
339 fjz0 = _fjsp_madd_v2r8(dz10,fscal,fjz0);
341 /**************************
342 * CALCULATE INTERACTIONS *
343 **************************/
345 r20 = _fjsp_mul_v2r8(rsq20,rinv20);
347 /* Compute parameters for interactions between i and j atoms */
348 qq20 = _fjsp_mul_v2r8(iq2,jq0);
350 /* Calculate table index by multiplying r with table scale and truncate to integer */
351 rt = _fjsp_mul_v2r8(r20,vftabscale);
352 itab_tmp = _fjsp_dtox_v2r8(rt);
353 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
354 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
355 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
360 /* CUBIC SPLINE TABLE ELECTROSTATICS */
361 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
362 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
363 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
364 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
365 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
366 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
367 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
368 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
369 velec = _fjsp_mul_v2r8(qq20,VV);
370 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
371 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq20,FF),_fjsp_mul_v2r8(vftabscale,rinv20)));
373 /* Update potential sum for this i atom from the interaction with this j atom. */
374 velecsum = _fjsp_add_v2r8(velecsum,velec);
378 /* Update vectorial force */
379 fix2 = _fjsp_madd_v2r8(dx20,fscal,fix2);
380 fiy2 = _fjsp_madd_v2r8(dy20,fscal,fiy2);
381 fiz2 = _fjsp_madd_v2r8(dz20,fscal,fiz2);
383 fjx0 = _fjsp_madd_v2r8(dx20,fscal,fjx0);
384 fjy0 = _fjsp_madd_v2r8(dy20,fscal,fjy0);
385 fjz0 = _fjsp_madd_v2r8(dz20,fscal,fjz0);
387 gmx_fjsp_decrement_1rvec_2ptr_swizzle_v2r8(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0);
389 /* Inner loop uses 171 flops */
396 j_coord_offsetA = DIM*jnrA;
398 /* load j atom coordinates */
399 gmx_fjsp_load_1rvec_1ptr_swizzle_v2r8(x+j_coord_offsetA,
402 /* Calculate displacement vector */
403 dx00 = _fjsp_sub_v2r8(ix0,jx0);
404 dy00 = _fjsp_sub_v2r8(iy0,jy0);
405 dz00 = _fjsp_sub_v2r8(iz0,jz0);
406 dx10 = _fjsp_sub_v2r8(ix1,jx0);
407 dy10 = _fjsp_sub_v2r8(iy1,jy0);
408 dz10 = _fjsp_sub_v2r8(iz1,jz0);
409 dx20 = _fjsp_sub_v2r8(ix2,jx0);
410 dy20 = _fjsp_sub_v2r8(iy2,jy0);
411 dz20 = _fjsp_sub_v2r8(iz2,jz0);
413 /* Calculate squared distance and things based on it */
414 rsq00 = gmx_fjsp_calc_rsq_v2r8(dx00,dy00,dz00);
415 rsq10 = gmx_fjsp_calc_rsq_v2r8(dx10,dy10,dz10);
416 rsq20 = gmx_fjsp_calc_rsq_v2r8(dx20,dy20,dz20);
418 rinv00 = gmx_fjsp_invsqrt_v2r8(rsq00);
419 rinv10 = gmx_fjsp_invsqrt_v2r8(rsq10);
420 rinv20 = gmx_fjsp_invsqrt_v2r8(rsq20);
422 /* Load parameters for j particles */
423 jq0 = _fjsp_loadl_v2r8(_fjsp_setzero_v2r8(),charge+jnrA+0);
424 vdwjidx0A = 2*vdwtype[jnrA+0];
426 fjx0 = _fjsp_setzero_v2r8();
427 fjy0 = _fjsp_setzero_v2r8();
428 fjz0 = _fjsp_setzero_v2r8();
430 /**************************
431 * CALCULATE INTERACTIONS *
432 **************************/
434 r00 = _fjsp_mul_v2r8(rsq00,rinv00);
436 /* Compute parameters for interactions between i and j atoms */
437 qq00 = _fjsp_mul_v2r8(iq0,jq0);
438 gmx_fjsp_load_2pair_swizzle_v2r8(vdwparam+vdwioffset0+vdwjidx0A,
439 vdwparam+vdwioffset0+vdwjidx0B,&c6_00,&c12_00);
441 /* Calculate table index by multiplying r with table scale and truncate to integer */
442 rt = _fjsp_mul_v2r8(r00,vftabscale);
443 itab_tmp = _fjsp_dtox_v2r8(rt);
444 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
445 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
446 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
451 /* CUBIC SPLINE TABLE ELECTROSTATICS */
452 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
453 F = _fjsp_setzero_v2r8();
454 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
455 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
456 H = _fjsp_setzero_v2r8();
457 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
458 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
459 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
460 velec = _fjsp_mul_v2r8(qq00,VV);
461 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
462 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq00,FF),_fjsp_mul_v2r8(vftabscale,rinv00)));
464 /* CUBIC SPLINE TABLE DISPERSION */
467 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
468 F = _fjsp_setzero_v2r8();
469 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
470 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 2 );
471 H = _fjsp_setzero_v2r8();
472 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
473 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
474 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
475 vvdw6 = _fjsp_mul_v2r8(c6_00,VV);
476 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
477 fvdw6 = _fjsp_mul_v2r8(c6_00,FF);
479 /* CUBIC SPLINE TABLE REPULSION */
480 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] + 4 );
481 F = _fjsp_setzero_v2r8();
482 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
483 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 6 );
484 H = _fjsp_setzero_v2r8();
485 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
486 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
487 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
488 vvdw12 = _fjsp_mul_v2r8(c12_00,VV);
489 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
490 fvdw12 = _fjsp_mul_v2r8(c12_00,FF);
491 vvdw = _fjsp_add_v2r8(vvdw12,vvdw6);
492 fvdw = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_add_v2r8(fvdw6,fvdw12),_fjsp_mul_v2r8(vftabscale,rinv00)));
494 /* Update potential sum for this i atom from the interaction with this j atom. */
495 velec = _fjsp_unpacklo_v2r8(velec,_fjsp_setzero_v2r8());
496 velecsum = _fjsp_add_v2r8(velecsum,velec);
497 vvdw = _fjsp_unpacklo_v2r8(vvdw,_fjsp_setzero_v2r8());
498 vvdwsum = _fjsp_add_v2r8(vvdwsum,vvdw);
500 fscal = _fjsp_add_v2r8(felec,fvdw);
502 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
504 /* Update vectorial force */
505 fix0 = _fjsp_madd_v2r8(dx00,fscal,fix0);
506 fiy0 = _fjsp_madd_v2r8(dy00,fscal,fiy0);
507 fiz0 = _fjsp_madd_v2r8(dz00,fscal,fiz0);
509 fjx0 = _fjsp_madd_v2r8(dx00,fscal,fjx0);
510 fjy0 = _fjsp_madd_v2r8(dy00,fscal,fjy0);
511 fjz0 = _fjsp_madd_v2r8(dz00,fscal,fjz0);
513 /**************************
514 * CALCULATE INTERACTIONS *
515 **************************/
517 r10 = _fjsp_mul_v2r8(rsq10,rinv10);
519 /* Compute parameters for interactions between i and j atoms */
520 qq10 = _fjsp_mul_v2r8(iq1,jq0);
522 /* Calculate table index by multiplying r with table scale and truncate to integer */
523 rt = _fjsp_mul_v2r8(r10,vftabscale);
524 itab_tmp = _fjsp_dtox_v2r8(rt);
525 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
526 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
527 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
532 /* CUBIC SPLINE TABLE ELECTROSTATICS */
533 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
534 F = _fjsp_setzero_v2r8();
535 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
536 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
537 H = _fjsp_setzero_v2r8();
538 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
539 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
540 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
541 velec = _fjsp_mul_v2r8(qq10,VV);
542 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
543 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq10,FF),_fjsp_mul_v2r8(vftabscale,rinv10)));
545 /* Update potential sum for this i atom from the interaction with this j atom. */
546 velec = _fjsp_unpacklo_v2r8(velec,_fjsp_setzero_v2r8());
547 velecsum = _fjsp_add_v2r8(velecsum,velec);
551 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
553 /* Update vectorial force */
554 fix1 = _fjsp_madd_v2r8(dx10,fscal,fix1);
555 fiy1 = _fjsp_madd_v2r8(dy10,fscal,fiy1);
556 fiz1 = _fjsp_madd_v2r8(dz10,fscal,fiz1);
558 fjx0 = _fjsp_madd_v2r8(dx10,fscal,fjx0);
559 fjy0 = _fjsp_madd_v2r8(dy10,fscal,fjy0);
560 fjz0 = _fjsp_madd_v2r8(dz10,fscal,fjz0);
562 /**************************
563 * CALCULATE INTERACTIONS *
564 **************************/
566 r20 = _fjsp_mul_v2r8(rsq20,rinv20);
568 /* Compute parameters for interactions between i and j atoms */
569 qq20 = _fjsp_mul_v2r8(iq2,jq0);
571 /* Calculate table index by multiplying r with table scale and truncate to integer */
572 rt = _fjsp_mul_v2r8(r20,vftabscale);
573 itab_tmp = _fjsp_dtox_v2r8(rt);
574 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
575 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
576 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
581 /* CUBIC SPLINE TABLE ELECTROSTATICS */
582 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
583 F = _fjsp_setzero_v2r8();
584 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
585 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
586 H = _fjsp_setzero_v2r8();
587 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
588 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
589 VV = _fjsp_madd_v2r8(vfeps,Fp,Y);
590 velec = _fjsp_mul_v2r8(qq20,VV);
591 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
592 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq20,FF),_fjsp_mul_v2r8(vftabscale,rinv20)));
594 /* Update potential sum for this i atom from the interaction with this j atom. */
595 velec = _fjsp_unpacklo_v2r8(velec,_fjsp_setzero_v2r8());
596 velecsum = _fjsp_add_v2r8(velecsum,velec);
600 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
602 /* Update vectorial force */
603 fix2 = _fjsp_madd_v2r8(dx20,fscal,fix2);
604 fiy2 = _fjsp_madd_v2r8(dy20,fscal,fiy2);
605 fiz2 = _fjsp_madd_v2r8(dz20,fscal,fiz2);
607 fjx0 = _fjsp_madd_v2r8(dx20,fscal,fjx0);
608 fjy0 = _fjsp_madd_v2r8(dy20,fscal,fjy0);
609 fjz0 = _fjsp_madd_v2r8(dz20,fscal,fjz0);
611 gmx_fjsp_decrement_1rvec_1ptr_swizzle_v2r8(f+j_coord_offsetA,fjx0,fjy0,fjz0);
613 /* Inner loop uses 171 flops */
616 /* End of innermost loop */
618 gmx_fjsp_update_iforce_3atom_swizzle_v2r8(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
619 f+i_coord_offset,fshift+i_shift_offset);
622 /* Update potential energies */
623 gmx_fjsp_update_1pot_v2r8(velecsum,kernel_data->energygrp_elec+ggid);
624 gmx_fjsp_update_1pot_v2r8(vvdwsum,kernel_data->energygrp_vdw+ggid);
626 /* Increment number of inner iterations */
627 inneriter += j_index_end - j_index_start;
629 /* Outer loop uses 20 flops */
632 /* Increment number of outer iterations */
635 /* Update outer/inner flops */
637 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3_VF,outeriter*20 + inneriter*171);
640 * Gromacs nonbonded kernel: nb_kernel_ElecCSTab_VdwCSTab_GeomW3P1_F_sparc64_hpc_ace_double
641 * Electrostatics interaction: CubicSplineTable
642 * VdW interaction: CubicSplineTable
643 * Geometry: Water3-Particle
644 * Calculate force/pot: Force
647 nb_kernel_ElecCSTab_VdwCSTab_GeomW3P1_F_sparc64_hpc_ace_double
648 (t_nblist * gmx_restrict nlist,
649 rvec * gmx_restrict xx,
650 rvec * gmx_restrict ff,
651 struct t_forcerec * gmx_restrict fr,
652 t_mdatoms * gmx_restrict mdatoms,
653 nb_kernel_data_t gmx_unused * gmx_restrict kernel_data,
654 t_nrnb * gmx_restrict nrnb)
656 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
657 * just 0 for non-waters.
658 * Suffixes A,B refer to j loop unrolling done with double precision SIMD, e.g. for the two different
659 * jnr indices corresponding to data put in the four positions in the SIMD register.
661 int i_shift_offset,i_coord_offset,outeriter,inneriter;
662 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
664 int j_coord_offsetA,j_coord_offsetB;
665 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
667 real *shiftvec,*fshift,*x,*f;
668 _fjsp_v2r8 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
670 _fjsp_v2r8 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
672 _fjsp_v2r8 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
674 _fjsp_v2r8 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
675 int vdwjidx0A,vdwjidx0B;
676 _fjsp_v2r8 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
677 _fjsp_v2r8 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
678 _fjsp_v2r8 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
679 _fjsp_v2r8 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
680 _fjsp_v2r8 velec,felec,velecsum,facel,crf,krf,krf2;
683 _fjsp_v2r8 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
686 _fjsp_v2r8 one_sixth = gmx_fjsp_set1_v2r8(1.0/6.0);
687 _fjsp_v2r8 one_twelfth = gmx_fjsp_set1_v2r8(1.0/12.0);
688 _fjsp_v2r8 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF,twovfeps;
691 _fjsp_v2r8 dummy_mask,cutoff_mask;
692 _fjsp_v2r8 one = gmx_fjsp_set1_v2r8(1.0);
693 _fjsp_v2r8 two = gmx_fjsp_set1_v2r8(2.0);
694 union { _fjsp_v2r8 simd; long long int i[2]; } vfconv,gbconv,ewconv;
701 jindex = nlist->jindex;
703 shiftidx = nlist->shift;
705 shiftvec = fr->shift_vec[0];
706 fshift = fr->fshift[0];
707 facel = gmx_fjsp_set1_v2r8(fr->ic->epsfac);
708 charge = mdatoms->chargeA;
709 nvdwtype = fr->ntype;
711 vdwtype = mdatoms->typeA;
713 vftab = kernel_data->table_elec_vdw->data;
714 vftabscale = gmx_fjsp_set1_v2r8(kernel_data->table_elec_vdw->scale);
716 /* Setup water-specific parameters */
717 inr = nlist->iinr[0];
718 iq0 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+0]));
719 iq1 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+1]));
720 iq2 = _fjsp_mul_v2r8(facel,gmx_fjsp_set1_v2r8(charge[inr+2]));
721 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
723 /* Avoid stupid compiler warnings */
731 /* Start outer loop over neighborlists */
732 for(iidx=0; iidx<nri; iidx++)
734 /* Load shift vector for this list */
735 i_shift_offset = DIM*shiftidx[iidx];
737 /* Load limits for loop over neighbors */
738 j_index_start = jindex[iidx];
739 j_index_end = jindex[iidx+1];
741 /* Get outer coordinate index */
743 i_coord_offset = DIM*inr;
745 /* Load i particle coords and add shift vector */
746 gmx_fjsp_load_shift_and_3rvec_broadcast_v2r8(shiftvec+i_shift_offset,x+i_coord_offset,
747 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
749 fix0 = _fjsp_setzero_v2r8();
750 fiy0 = _fjsp_setzero_v2r8();
751 fiz0 = _fjsp_setzero_v2r8();
752 fix1 = _fjsp_setzero_v2r8();
753 fiy1 = _fjsp_setzero_v2r8();
754 fiz1 = _fjsp_setzero_v2r8();
755 fix2 = _fjsp_setzero_v2r8();
756 fiy2 = _fjsp_setzero_v2r8();
757 fiz2 = _fjsp_setzero_v2r8();
759 /* Start inner kernel loop */
760 for(jidx=j_index_start; jidx<j_index_end-1; jidx+=2)
763 /* Get j neighbor index, and coordinate index */
766 j_coord_offsetA = DIM*jnrA;
767 j_coord_offsetB = DIM*jnrB;
769 /* load j atom coordinates */
770 gmx_fjsp_load_1rvec_2ptr_swizzle_v2r8(x+j_coord_offsetA,x+j_coord_offsetB,
773 /* Calculate displacement vector */
774 dx00 = _fjsp_sub_v2r8(ix0,jx0);
775 dy00 = _fjsp_sub_v2r8(iy0,jy0);
776 dz00 = _fjsp_sub_v2r8(iz0,jz0);
777 dx10 = _fjsp_sub_v2r8(ix1,jx0);
778 dy10 = _fjsp_sub_v2r8(iy1,jy0);
779 dz10 = _fjsp_sub_v2r8(iz1,jz0);
780 dx20 = _fjsp_sub_v2r8(ix2,jx0);
781 dy20 = _fjsp_sub_v2r8(iy2,jy0);
782 dz20 = _fjsp_sub_v2r8(iz2,jz0);
784 /* Calculate squared distance and things based on it */
785 rsq00 = gmx_fjsp_calc_rsq_v2r8(dx00,dy00,dz00);
786 rsq10 = gmx_fjsp_calc_rsq_v2r8(dx10,dy10,dz10);
787 rsq20 = gmx_fjsp_calc_rsq_v2r8(dx20,dy20,dz20);
789 rinv00 = gmx_fjsp_invsqrt_v2r8(rsq00);
790 rinv10 = gmx_fjsp_invsqrt_v2r8(rsq10);
791 rinv20 = gmx_fjsp_invsqrt_v2r8(rsq20);
793 /* Load parameters for j particles */
794 jq0 = gmx_fjsp_load_2real_swizzle_v2r8(charge+jnrA+0,charge+jnrB+0);
795 vdwjidx0A = 2*vdwtype[jnrA+0];
796 vdwjidx0B = 2*vdwtype[jnrB+0];
798 fjx0 = _fjsp_setzero_v2r8();
799 fjy0 = _fjsp_setzero_v2r8();
800 fjz0 = _fjsp_setzero_v2r8();
802 /**************************
803 * CALCULATE INTERACTIONS *
804 **************************/
806 r00 = _fjsp_mul_v2r8(rsq00,rinv00);
808 /* Compute parameters for interactions between i and j atoms */
809 qq00 = _fjsp_mul_v2r8(iq0,jq0);
810 gmx_fjsp_load_2pair_swizzle_v2r8(vdwparam+vdwioffset0+vdwjidx0A,
811 vdwparam+vdwioffset0+vdwjidx0B,&c6_00,&c12_00);
813 /* Calculate table index by multiplying r with table scale and truncate to integer */
814 rt = _fjsp_mul_v2r8(r00,vftabscale);
815 itab_tmp = _fjsp_dtox_v2r8(rt);
816 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
817 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
818 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
823 /* CUBIC SPLINE TABLE ELECTROSTATICS */
824 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
825 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
826 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
827 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
828 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
829 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
830 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
831 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
832 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq00,FF),_fjsp_mul_v2r8(vftabscale,rinv00)));
834 /* CUBIC SPLINE TABLE DISPERSION */
837 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
838 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
839 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
840 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 2 );
841 H = _fjsp_load_v2r8( vftab + vfconv.i[1] + 2 );
842 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
843 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
844 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
845 fvdw6 = _fjsp_mul_v2r8(c6_00,FF);
847 /* CUBIC SPLINE TABLE REPULSION */
848 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] + 4 );
849 F = _fjsp_load_v2r8( vftab + vfconv.i[1] + 4 );
850 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
851 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 6 );
852 H = _fjsp_load_v2r8( vftab + vfconv.i[1] + 6 );
853 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
854 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
855 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
856 fvdw12 = _fjsp_mul_v2r8(c12_00,FF);
857 fvdw = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_add_v2r8(fvdw6,fvdw12),_fjsp_mul_v2r8(vftabscale,rinv00)));
859 fscal = _fjsp_add_v2r8(felec,fvdw);
861 /* Update vectorial force */
862 fix0 = _fjsp_madd_v2r8(dx00,fscal,fix0);
863 fiy0 = _fjsp_madd_v2r8(dy00,fscal,fiy0);
864 fiz0 = _fjsp_madd_v2r8(dz00,fscal,fiz0);
866 fjx0 = _fjsp_madd_v2r8(dx00,fscal,fjx0);
867 fjy0 = _fjsp_madd_v2r8(dy00,fscal,fjy0);
868 fjz0 = _fjsp_madd_v2r8(dz00,fscal,fjz0);
870 /**************************
871 * CALCULATE INTERACTIONS *
872 **************************/
874 r10 = _fjsp_mul_v2r8(rsq10,rinv10);
876 /* Compute parameters for interactions between i and j atoms */
877 qq10 = _fjsp_mul_v2r8(iq1,jq0);
879 /* Calculate table index by multiplying r with table scale and truncate to integer */
880 rt = _fjsp_mul_v2r8(r10,vftabscale);
881 itab_tmp = _fjsp_dtox_v2r8(rt);
882 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
883 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
884 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
889 /* CUBIC SPLINE TABLE ELECTROSTATICS */
890 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
891 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
892 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
893 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
894 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
895 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
896 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
897 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
898 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq10,FF),_fjsp_mul_v2r8(vftabscale,rinv10)));
902 /* Update vectorial force */
903 fix1 = _fjsp_madd_v2r8(dx10,fscal,fix1);
904 fiy1 = _fjsp_madd_v2r8(dy10,fscal,fiy1);
905 fiz1 = _fjsp_madd_v2r8(dz10,fscal,fiz1);
907 fjx0 = _fjsp_madd_v2r8(dx10,fscal,fjx0);
908 fjy0 = _fjsp_madd_v2r8(dy10,fscal,fjy0);
909 fjz0 = _fjsp_madd_v2r8(dz10,fscal,fjz0);
911 /**************************
912 * CALCULATE INTERACTIONS *
913 **************************/
915 r20 = _fjsp_mul_v2r8(rsq20,rinv20);
917 /* Compute parameters for interactions between i and j atoms */
918 qq20 = _fjsp_mul_v2r8(iq2,jq0);
920 /* Calculate table index by multiplying r with table scale and truncate to integer */
921 rt = _fjsp_mul_v2r8(r20,vftabscale);
922 itab_tmp = _fjsp_dtox_v2r8(rt);
923 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
924 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
925 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
930 /* CUBIC SPLINE TABLE ELECTROSTATICS */
931 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
932 F = _fjsp_load_v2r8( vftab + vfconv.i[1] );
933 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
934 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
935 H = _fjsp_load_v2r8( vftab + vfconv.i[1] +2);
936 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
937 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
938 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
939 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq20,FF),_fjsp_mul_v2r8(vftabscale,rinv20)));
943 /* Update vectorial force */
944 fix2 = _fjsp_madd_v2r8(dx20,fscal,fix2);
945 fiy2 = _fjsp_madd_v2r8(dy20,fscal,fiy2);
946 fiz2 = _fjsp_madd_v2r8(dz20,fscal,fiz2);
948 fjx0 = _fjsp_madd_v2r8(dx20,fscal,fjx0);
949 fjy0 = _fjsp_madd_v2r8(dy20,fscal,fjy0);
950 fjz0 = _fjsp_madd_v2r8(dz20,fscal,fjz0);
952 gmx_fjsp_decrement_1rvec_2ptr_swizzle_v2r8(f+j_coord_offsetA,f+j_coord_offsetB,fjx0,fjy0,fjz0);
954 /* Inner loop uses 151 flops */
961 j_coord_offsetA = DIM*jnrA;
963 /* load j atom coordinates */
964 gmx_fjsp_load_1rvec_1ptr_swizzle_v2r8(x+j_coord_offsetA,
967 /* Calculate displacement vector */
968 dx00 = _fjsp_sub_v2r8(ix0,jx0);
969 dy00 = _fjsp_sub_v2r8(iy0,jy0);
970 dz00 = _fjsp_sub_v2r8(iz0,jz0);
971 dx10 = _fjsp_sub_v2r8(ix1,jx0);
972 dy10 = _fjsp_sub_v2r8(iy1,jy0);
973 dz10 = _fjsp_sub_v2r8(iz1,jz0);
974 dx20 = _fjsp_sub_v2r8(ix2,jx0);
975 dy20 = _fjsp_sub_v2r8(iy2,jy0);
976 dz20 = _fjsp_sub_v2r8(iz2,jz0);
978 /* Calculate squared distance and things based on it */
979 rsq00 = gmx_fjsp_calc_rsq_v2r8(dx00,dy00,dz00);
980 rsq10 = gmx_fjsp_calc_rsq_v2r8(dx10,dy10,dz10);
981 rsq20 = gmx_fjsp_calc_rsq_v2r8(dx20,dy20,dz20);
983 rinv00 = gmx_fjsp_invsqrt_v2r8(rsq00);
984 rinv10 = gmx_fjsp_invsqrt_v2r8(rsq10);
985 rinv20 = gmx_fjsp_invsqrt_v2r8(rsq20);
987 /* Load parameters for j particles */
988 jq0 = _fjsp_loadl_v2r8(_fjsp_setzero_v2r8(),charge+jnrA+0);
989 vdwjidx0A = 2*vdwtype[jnrA+0];
991 fjx0 = _fjsp_setzero_v2r8();
992 fjy0 = _fjsp_setzero_v2r8();
993 fjz0 = _fjsp_setzero_v2r8();
995 /**************************
996 * CALCULATE INTERACTIONS *
997 **************************/
999 r00 = _fjsp_mul_v2r8(rsq00,rinv00);
1001 /* Compute parameters for interactions between i and j atoms */
1002 qq00 = _fjsp_mul_v2r8(iq0,jq0);
1003 gmx_fjsp_load_2pair_swizzle_v2r8(vdwparam+vdwioffset0+vdwjidx0A,
1004 vdwparam+vdwioffset0+vdwjidx0B,&c6_00,&c12_00);
1006 /* Calculate table index by multiplying r with table scale and truncate to integer */
1007 rt = _fjsp_mul_v2r8(r00,vftabscale);
1008 itab_tmp = _fjsp_dtox_v2r8(rt);
1009 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
1010 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
1011 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
1016 /* CUBIC SPLINE TABLE ELECTROSTATICS */
1017 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
1018 F = _fjsp_setzero_v2r8();
1019 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
1020 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
1021 H = _fjsp_setzero_v2r8();
1022 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
1023 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
1024 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
1025 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq00,FF),_fjsp_mul_v2r8(vftabscale,rinv00)));
1027 /* CUBIC SPLINE TABLE DISPERSION */
1030 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
1031 F = _fjsp_setzero_v2r8();
1032 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
1033 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 2 );
1034 H = _fjsp_setzero_v2r8();
1035 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
1036 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
1037 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
1038 fvdw6 = _fjsp_mul_v2r8(c6_00,FF);
1040 /* CUBIC SPLINE TABLE REPULSION */
1041 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] + 4 );
1042 F = _fjsp_setzero_v2r8();
1043 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
1044 G = _fjsp_load_v2r8( vftab + vfconv.i[0] + 6 );
1045 H = _fjsp_setzero_v2r8();
1046 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
1047 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(H,vfeps,G),F);
1048 FF = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(twovfeps,H,G),Fp);
1049 fvdw12 = _fjsp_mul_v2r8(c12_00,FF);
1050 fvdw = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_add_v2r8(fvdw6,fvdw12),_fjsp_mul_v2r8(vftabscale,rinv00)));
1052 fscal = _fjsp_add_v2r8(felec,fvdw);
1054 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
1056 /* Update vectorial force */
1057 fix0 = _fjsp_madd_v2r8(dx00,fscal,fix0);
1058 fiy0 = _fjsp_madd_v2r8(dy00,fscal,fiy0);
1059 fiz0 = _fjsp_madd_v2r8(dz00,fscal,fiz0);
1061 fjx0 = _fjsp_madd_v2r8(dx00,fscal,fjx0);
1062 fjy0 = _fjsp_madd_v2r8(dy00,fscal,fjy0);
1063 fjz0 = _fjsp_madd_v2r8(dz00,fscal,fjz0);
1065 /**************************
1066 * CALCULATE INTERACTIONS *
1067 **************************/
1069 r10 = _fjsp_mul_v2r8(rsq10,rinv10);
1071 /* Compute parameters for interactions between i and j atoms */
1072 qq10 = _fjsp_mul_v2r8(iq1,jq0);
1074 /* Calculate table index by multiplying r with table scale and truncate to integer */
1075 rt = _fjsp_mul_v2r8(r10,vftabscale);
1076 itab_tmp = _fjsp_dtox_v2r8(rt);
1077 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
1078 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
1079 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
1084 /* CUBIC SPLINE TABLE ELECTROSTATICS */
1085 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
1086 F = _fjsp_setzero_v2r8();
1087 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
1088 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
1089 H = _fjsp_setzero_v2r8();
1090 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
1091 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
1092 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
1093 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq10,FF),_fjsp_mul_v2r8(vftabscale,rinv10)));
1097 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
1099 /* Update vectorial force */
1100 fix1 = _fjsp_madd_v2r8(dx10,fscal,fix1);
1101 fiy1 = _fjsp_madd_v2r8(dy10,fscal,fiy1);
1102 fiz1 = _fjsp_madd_v2r8(dz10,fscal,fiz1);
1104 fjx0 = _fjsp_madd_v2r8(dx10,fscal,fjx0);
1105 fjy0 = _fjsp_madd_v2r8(dy10,fscal,fjy0);
1106 fjz0 = _fjsp_madd_v2r8(dz10,fscal,fjz0);
1108 /**************************
1109 * CALCULATE INTERACTIONS *
1110 **************************/
1112 r20 = _fjsp_mul_v2r8(rsq20,rinv20);
1114 /* Compute parameters for interactions between i and j atoms */
1115 qq20 = _fjsp_mul_v2r8(iq2,jq0);
1117 /* Calculate table index by multiplying r with table scale and truncate to integer */
1118 rt = _fjsp_mul_v2r8(r20,vftabscale);
1119 itab_tmp = _fjsp_dtox_v2r8(rt);
1120 vfeps = _fjsp_sub_v2r8(rt, _fjsp_xtod_v2r8(itab_tmp));
1121 twovfeps = _fjsp_add_v2r8(vfeps,vfeps);
1122 _fjsp_store_v2r8(&vfconv.simd,itab_tmp);
1127 /* CUBIC SPLINE TABLE ELECTROSTATICS */
1128 Y = _fjsp_load_v2r8( vftab + vfconv.i[0] );
1129 F = _fjsp_setzero_v2r8();
1130 GMX_FJSP_TRANSPOSE2_V2R8(Y,F);
1131 G = _fjsp_load_v2r8( vftab + vfconv.i[0] +2);
1132 H = _fjsp_setzero_v2r8();
1133 GMX_FJSP_TRANSPOSE2_V2R8(G,H);
1134 Fp = _fjsp_madd_v2r8(vfeps,_fjsp_madd_v2r8(vfeps,H,G),F);
1135 FF = _fjsp_madd_v2r8(_fjsp_madd_v2r8(twovfeps,H,G),vfeps,Fp);
1136 felec = _fjsp_neg_v2r8(_fjsp_mul_v2r8(_fjsp_mul_v2r8(qq20,FF),_fjsp_mul_v2r8(vftabscale,rinv20)));
1140 fscal = _fjsp_unpacklo_v2r8(fscal,_fjsp_setzero_v2r8());
1142 /* Update vectorial force */
1143 fix2 = _fjsp_madd_v2r8(dx20,fscal,fix2);
1144 fiy2 = _fjsp_madd_v2r8(dy20,fscal,fiy2);
1145 fiz2 = _fjsp_madd_v2r8(dz20,fscal,fiz2);
1147 fjx0 = _fjsp_madd_v2r8(dx20,fscal,fjx0);
1148 fjy0 = _fjsp_madd_v2r8(dy20,fscal,fjy0);
1149 fjz0 = _fjsp_madd_v2r8(dz20,fscal,fjz0);
1151 gmx_fjsp_decrement_1rvec_1ptr_swizzle_v2r8(f+j_coord_offsetA,fjx0,fjy0,fjz0);
1153 /* Inner loop uses 151 flops */
1156 /* End of innermost loop */
1158 gmx_fjsp_update_iforce_3atom_swizzle_v2r8(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1159 f+i_coord_offset,fshift+i_shift_offset);
1161 /* Increment number of inner iterations */
1162 inneriter += j_index_end - j_index_start;
1164 /* Outer loop uses 18 flops */
1167 /* Increment number of outer iterations */
1170 /* Update outer/inner flops */
1172 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3_F,outeriter*18 + inneriter*151);