Bug Summary

File:gromacs/gmxlib/nonbonded/nb_kernel_c/nb_kernel_ElecCoul_VdwLJ_GeomW3W3_c.c
Location:line 610, column 5
Description:Value stored to 'gid' is never read

Annotated Source Code

1/*
2 * This file is part of the GROMACS molecular simulation package.
3 *
4 * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
5 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 * and including many others, as listed in the AUTHORS file in the
7 * top-level source directory and at http://www.gromacs.org.
8 *
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34 */
35/*
36 * Note: this file was generated by the GROMACS c kernel generator.
37 */
38#ifdef HAVE_CONFIG_H1
39#include <config.h>
40#endif
41
42#include <math.h>
43
44#include "../nb_kernel.h"
45#include "types/simple.h"
46#include "gromacs/math/vec.h"
47#include "nrnb.h"
48
49/*
50 * Gromacs nonbonded kernel: nb_kernel_ElecCoul_VdwLJ_GeomW3W3_VF_c
51 * Electrostatics interaction: Coulomb
52 * VdW interaction: LennardJones
53 * Geometry: Water3-Water3
54 * Calculate force/pot: PotentialAndForce
55 */
56void
57nb_kernel_ElecCoul_VdwLJ_GeomW3W3_VF_c
58 (t_nblist * gmx_restrict__restrict nlist,
59 rvec * gmx_restrict__restrict xx,
60 rvec * gmx_restrict__restrict ff,
61 t_forcerec * gmx_restrict__restrict fr,
62 t_mdatoms * gmx_restrict__restrict mdatoms,
63 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict__restrict kernel_data,
64 t_nrnb * gmx_restrict__restrict nrnb)
65{
66 int i_shift_offset,i_coord_offset,j_coord_offset;
67 int j_index_start,j_index_end;
68 int nri,inr,ggid,iidx,jidx,jnr,outeriter,inneriter;
69 real shX,shY,shZ,tx,ty,tz,fscal,rcutoff,rcutoff2;
70 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
71 real *shiftvec,*fshift,*x,*f;
72 int vdwioffset0;
73 real ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
74 int vdwioffset1;
75 real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
76 int vdwioffset2;
77 real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
78 int vdwjidx0;
79 real jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
80 int vdwjidx1;
81 real jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
82 int vdwjidx2;
83 real jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
84 real dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00,cexp1_00,cexp2_00;
85 real dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01,cexp1_01,cexp2_01;
86 real dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02,cexp1_02,cexp2_02;
87 real dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10,cexp1_10,cexp2_10;
88 real dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11,cexp1_11,cexp2_11;
89 real dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12,cexp1_12,cexp2_12;
90 real dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20,cexp1_20,cexp2_20;
91 real dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21,cexp1_21,cexp2_21;
92 real dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22,cexp1_22,cexp2_22;
93 real velec,felec,velecsum,facel,crf,krf,krf2;
94 real *charge;
95 int nvdwtype;
96 real rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,br,vvdwexp,sh_vdw_invrcut6;
97 int *vdwtype;
98 real *vdwparam;
99
100 x = xx[0];
101 f = ff[0];
102
103 nri = nlist->nri;
104 iinr = nlist->iinr;
105 jindex = nlist->jindex;
106 jjnr = nlist->jjnr;
107 shiftidx = nlist->shift;
108 gid = nlist->gid;
109 shiftvec = fr->shift_vec[0];
110 fshift = fr->fshift[0];
111 facel = fr->epsfac;
112 charge = mdatoms->chargeA;
113 nvdwtype = fr->ntype;
114 vdwparam = fr->nbfp;
115 vdwtype = mdatoms->typeA;
116
117 /* Setup water-specific parameters */
118 inr = nlist->iinr[0];
119 iq0 = facel*charge[inr+0];
120 iq1 = facel*charge[inr+1];
121 iq2 = facel*charge[inr+2];
122 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
123
124 jq0 = charge[inr+0];
125 jq1 = charge[inr+1];
126 jq2 = charge[inr+2];
127 vdwjidx0 = 2*vdwtype[inr+0];
128 qq00 = iq0*jq0;
129 c6_00 = vdwparam[vdwioffset0+vdwjidx0];
130 c12_00 = vdwparam[vdwioffset0+vdwjidx0+1];
131 qq01 = iq0*jq1;
132 qq02 = iq0*jq2;
133 qq10 = iq1*jq0;
134 qq11 = iq1*jq1;
135 qq12 = iq1*jq2;
136 qq20 = iq2*jq0;
137 qq21 = iq2*jq1;
138 qq22 = iq2*jq2;
139
140 outeriter = 0;
141 inneriter = 0;
142
143 /* Start outer loop over neighborlists */
144 for(iidx=0; iidx<nri; iidx++)
145 {
146 /* Load shift vector for this list */
147 i_shift_offset = DIM3*shiftidx[iidx];
148 shX = shiftvec[i_shift_offset+XX0];
149 shY = shiftvec[i_shift_offset+YY1];
150 shZ = shiftvec[i_shift_offset+ZZ2];
151
152 /* Load limits for loop over neighbors */
153 j_index_start = jindex[iidx];
154 j_index_end = jindex[iidx+1];
155
156 /* Get outer coordinate index */
157 inr = iinr[iidx];
158 i_coord_offset = DIM3*inr;
159
160 /* Load i particle coords and add shift vector */
161 ix0 = shX + x[i_coord_offset+DIM3*0+XX0];
162 iy0 = shY + x[i_coord_offset+DIM3*0+YY1];
163 iz0 = shZ + x[i_coord_offset+DIM3*0+ZZ2];
164 ix1 = shX + x[i_coord_offset+DIM3*1+XX0];
165 iy1 = shY + x[i_coord_offset+DIM3*1+YY1];
166 iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2];
167 ix2 = shX + x[i_coord_offset+DIM3*2+XX0];
168 iy2 = shY + x[i_coord_offset+DIM3*2+YY1];
169 iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2];
170
171 fix0 = 0.0;
172 fiy0 = 0.0;
173 fiz0 = 0.0;
174 fix1 = 0.0;
175 fiy1 = 0.0;
176 fiz1 = 0.0;
177 fix2 = 0.0;
178 fiy2 = 0.0;
179 fiz2 = 0.0;
180
181 /* Reset potential sums */
182 velecsum = 0.0;
183 vvdwsum = 0.0;
184
185 /* Start inner kernel loop */
186 for(jidx=j_index_start; jidx<j_index_end; jidx++)
187 {
188 /* Get j neighbor index, and coordinate index */
189 jnr = jjnr[jidx];
190 j_coord_offset = DIM3*jnr;
191
192 /* load j atom coordinates */
193 jx0 = x[j_coord_offset+DIM3*0+XX0];
194 jy0 = x[j_coord_offset+DIM3*0+YY1];
195 jz0 = x[j_coord_offset+DIM3*0+ZZ2];
196 jx1 = x[j_coord_offset+DIM3*1+XX0];
197 jy1 = x[j_coord_offset+DIM3*1+YY1];
198 jz1 = x[j_coord_offset+DIM3*1+ZZ2];
199 jx2 = x[j_coord_offset+DIM3*2+XX0];
200 jy2 = x[j_coord_offset+DIM3*2+YY1];
201 jz2 = x[j_coord_offset+DIM3*2+ZZ2];
202
203 /* Calculate displacement vector */
204 dx00 = ix0 - jx0;
205 dy00 = iy0 - jy0;
206 dz00 = iz0 - jz0;
207 dx01 = ix0 - jx1;
208 dy01 = iy0 - jy1;
209 dz01 = iz0 - jz1;
210 dx02 = ix0 - jx2;
211 dy02 = iy0 - jy2;
212 dz02 = iz0 - jz2;
213 dx10 = ix1 - jx0;
214 dy10 = iy1 - jy0;
215 dz10 = iz1 - jz0;
216 dx11 = ix1 - jx1;
217 dy11 = iy1 - jy1;
218 dz11 = iz1 - jz1;
219 dx12 = ix1 - jx2;
220 dy12 = iy1 - jy2;
221 dz12 = iz1 - jz2;
222 dx20 = ix2 - jx0;
223 dy20 = iy2 - jy0;
224 dz20 = iz2 - jz0;
225 dx21 = ix2 - jx1;
226 dy21 = iy2 - jy1;
227 dz21 = iz2 - jz1;
228 dx22 = ix2 - jx2;
229 dy22 = iy2 - jy2;
230 dz22 = iz2 - jz2;
231
232 /* Calculate squared distance and things based on it */
233 rsq00 = dx00*dx00+dy00*dy00+dz00*dz00;
234 rsq01 = dx01*dx01+dy01*dy01+dz01*dz01;
235 rsq02 = dx02*dx02+dy02*dy02+dz02*dz02;
236 rsq10 = dx10*dx10+dy10*dy10+dz10*dz10;
237 rsq11 = dx11*dx11+dy11*dy11+dz11*dz11;
238 rsq12 = dx12*dx12+dy12*dy12+dz12*dz12;
239 rsq20 = dx20*dx20+dy20*dy20+dz20*dz20;
240 rsq21 = dx21*dx21+dy21*dy21+dz21*dz21;
241 rsq22 = dx22*dx22+dy22*dy22+dz22*dz22;
242
243 rinv00 = gmx_invsqrt(rsq00)gmx_software_invsqrt(rsq00);
244 rinv01 = gmx_invsqrt(rsq01)gmx_software_invsqrt(rsq01);
245 rinv02 = gmx_invsqrt(rsq02)gmx_software_invsqrt(rsq02);
246 rinv10 = gmx_invsqrt(rsq10)gmx_software_invsqrt(rsq10);
247 rinv11 = gmx_invsqrt(rsq11)gmx_software_invsqrt(rsq11);
248 rinv12 = gmx_invsqrt(rsq12)gmx_software_invsqrt(rsq12);
249 rinv20 = gmx_invsqrt(rsq20)gmx_software_invsqrt(rsq20);
250 rinv21 = gmx_invsqrt(rsq21)gmx_software_invsqrt(rsq21);
251 rinv22 = gmx_invsqrt(rsq22)gmx_software_invsqrt(rsq22);
252
253 rinvsq00 = rinv00*rinv00;
254 rinvsq01 = rinv01*rinv01;
255 rinvsq02 = rinv02*rinv02;
256 rinvsq10 = rinv10*rinv10;
257 rinvsq11 = rinv11*rinv11;
258 rinvsq12 = rinv12*rinv12;
259 rinvsq20 = rinv20*rinv20;
260 rinvsq21 = rinv21*rinv21;
261 rinvsq22 = rinv22*rinv22;
262
263 /**************************
264 * CALCULATE INTERACTIONS *
265 **************************/
266
267 /* COULOMB ELECTROSTATICS */
268 velec = qq00*rinv00;
269 felec = velec*rinvsq00;
270
271 /* LENNARD-JONES DISPERSION/REPULSION */
272
273 rinvsix = rinvsq00*rinvsq00*rinvsq00;
274 vvdw6 = c6_00*rinvsix;
275 vvdw12 = c12_00*rinvsix*rinvsix;
276 vvdw = vvdw12*(1.0/12.0) - vvdw6*(1.0/6.0);
277 fvdw = (vvdw12-vvdw6)*rinvsq00;
278
279 /* Update potential sums from outer loop */
280 velecsum += velec;
281 vvdwsum += vvdw;
282
283 fscal = felec+fvdw;
284
285 /* Calculate temporary vectorial force */
286 tx = fscal*dx00;
287 ty = fscal*dy00;
288 tz = fscal*dz00;
289
290 /* Update vectorial force */
291 fix0 += tx;
292 fiy0 += ty;
293 fiz0 += tz;
294 f[j_coord_offset+DIM3*0+XX0] -= tx;
295 f[j_coord_offset+DIM3*0+YY1] -= ty;
296 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
297
298 /**************************
299 * CALCULATE INTERACTIONS *
300 **************************/
301
302 /* COULOMB ELECTROSTATICS */
303 velec = qq01*rinv01;
304 felec = velec*rinvsq01;
305
306 /* Update potential sums from outer loop */
307 velecsum += velec;
308
309 fscal = felec;
310
311 /* Calculate temporary vectorial force */
312 tx = fscal*dx01;
313 ty = fscal*dy01;
314 tz = fscal*dz01;
315
316 /* Update vectorial force */
317 fix0 += tx;
318 fiy0 += ty;
319 fiz0 += tz;
320 f[j_coord_offset+DIM3*1+XX0] -= tx;
321 f[j_coord_offset+DIM3*1+YY1] -= ty;
322 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
323
324 /**************************
325 * CALCULATE INTERACTIONS *
326 **************************/
327
328 /* COULOMB ELECTROSTATICS */
329 velec = qq02*rinv02;
330 felec = velec*rinvsq02;
331
332 /* Update potential sums from outer loop */
333 velecsum += velec;
334
335 fscal = felec;
336
337 /* Calculate temporary vectorial force */
338 tx = fscal*dx02;
339 ty = fscal*dy02;
340 tz = fscal*dz02;
341
342 /* Update vectorial force */
343 fix0 += tx;
344 fiy0 += ty;
345 fiz0 += tz;
346 f[j_coord_offset+DIM3*2+XX0] -= tx;
347 f[j_coord_offset+DIM3*2+YY1] -= ty;
348 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
349
350 /**************************
351 * CALCULATE INTERACTIONS *
352 **************************/
353
354 /* COULOMB ELECTROSTATICS */
355 velec = qq10*rinv10;
356 felec = velec*rinvsq10;
357
358 /* Update potential sums from outer loop */
359 velecsum += velec;
360
361 fscal = felec;
362
363 /* Calculate temporary vectorial force */
364 tx = fscal*dx10;
365 ty = fscal*dy10;
366 tz = fscal*dz10;
367
368 /* Update vectorial force */
369 fix1 += tx;
370 fiy1 += ty;
371 fiz1 += tz;
372 f[j_coord_offset+DIM3*0+XX0] -= tx;
373 f[j_coord_offset+DIM3*0+YY1] -= ty;
374 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
375
376 /**************************
377 * CALCULATE INTERACTIONS *
378 **************************/
379
380 /* COULOMB ELECTROSTATICS */
381 velec = qq11*rinv11;
382 felec = velec*rinvsq11;
383
384 /* Update potential sums from outer loop */
385 velecsum += velec;
386
387 fscal = felec;
388
389 /* Calculate temporary vectorial force */
390 tx = fscal*dx11;
391 ty = fscal*dy11;
392 tz = fscal*dz11;
393
394 /* Update vectorial force */
395 fix1 += tx;
396 fiy1 += ty;
397 fiz1 += tz;
398 f[j_coord_offset+DIM3*1+XX0] -= tx;
399 f[j_coord_offset+DIM3*1+YY1] -= ty;
400 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
401
402 /**************************
403 * CALCULATE INTERACTIONS *
404 **************************/
405
406 /* COULOMB ELECTROSTATICS */
407 velec = qq12*rinv12;
408 felec = velec*rinvsq12;
409
410 /* Update potential sums from outer loop */
411 velecsum += velec;
412
413 fscal = felec;
414
415 /* Calculate temporary vectorial force */
416 tx = fscal*dx12;
417 ty = fscal*dy12;
418 tz = fscal*dz12;
419
420 /* Update vectorial force */
421 fix1 += tx;
422 fiy1 += ty;
423 fiz1 += tz;
424 f[j_coord_offset+DIM3*2+XX0] -= tx;
425 f[j_coord_offset+DIM3*2+YY1] -= ty;
426 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
427
428 /**************************
429 * CALCULATE INTERACTIONS *
430 **************************/
431
432 /* COULOMB ELECTROSTATICS */
433 velec = qq20*rinv20;
434 felec = velec*rinvsq20;
435
436 /* Update potential sums from outer loop */
437 velecsum += velec;
438
439 fscal = felec;
440
441 /* Calculate temporary vectorial force */
442 tx = fscal*dx20;
443 ty = fscal*dy20;
444 tz = fscal*dz20;
445
446 /* Update vectorial force */
447 fix2 += tx;
448 fiy2 += ty;
449 fiz2 += tz;
450 f[j_coord_offset+DIM3*0+XX0] -= tx;
451 f[j_coord_offset+DIM3*0+YY1] -= ty;
452 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
453
454 /**************************
455 * CALCULATE INTERACTIONS *
456 **************************/
457
458 /* COULOMB ELECTROSTATICS */
459 velec = qq21*rinv21;
460 felec = velec*rinvsq21;
461
462 /* Update potential sums from outer loop */
463 velecsum += velec;
464
465 fscal = felec;
466
467 /* Calculate temporary vectorial force */
468 tx = fscal*dx21;
469 ty = fscal*dy21;
470 tz = fscal*dz21;
471
472 /* Update vectorial force */
473 fix2 += tx;
474 fiy2 += ty;
475 fiz2 += tz;
476 f[j_coord_offset+DIM3*1+XX0] -= tx;
477 f[j_coord_offset+DIM3*1+YY1] -= ty;
478 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
479
480 /**************************
481 * CALCULATE INTERACTIONS *
482 **************************/
483
484 /* COULOMB ELECTROSTATICS */
485 velec = qq22*rinv22;
486 felec = velec*rinvsq22;
487
488 /* Update potential sums from outer loop */
489 velecsum += velec;
490
491 fscal = felec;
492
493 /* Calculate temporary vectorial force */
494 tx = fscal*dx22;
495 ty = fscal*dy22;
496 tz = fscal*dz22;
497
498 /* Update vectorial force */
499 fix2 += tx;
500 fiy2 += ty;
501 fiz2 += tz;
502 f[j_coord_offset+DIM3*2+XX0] -= tx;
503 f[j_coord_offset+DIM3*2+YY1] -= ty;
504 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
505
506 /* Inner loop uses 255 flops */
507 }
508 /* End of innermost loop */
509
510 tx = ty = tz = 0;
511 f[i_coord_offset+DIM3*0+XX0] += fix0;
512 f[i_coord_offset+DIM3*0+YY1] += fiy0;
513 f[i_coord_offset+DIM3*0+ZZ2] += fiz0;
514 tx += fix0;
515 ty += fiy0;
516 tz += fiz0;
517 f[i_coord_offset+DIM3*1+XX0] += fix1;
518 f[i_coord_offset+DIM3*1+YY1] += fiy1;
519 f[i_coord_offset+DIM3*1+ZZ2] += fiz1;
520 tx += fix1;
521 ty += fiy1;
522 tz += fiz1;
523 f[i_coord_offset+DIM3*2+XX0] += fix2;
524 f[i_coord_offset+DIM3*2+YY1] += fiy2;
525 f[i_coord_offset+DIM3*2+ZZ2] += fiz2;
526 tx += fix2;
527 ty += fiy2;
528 tz += fiz2;
529 fshift[i_shift_offset+XX0] += tx;
530 fshift[i_shift_offset+YY1] += ty;
531 fshift[i_shift_offset+ZZ2] += tz;
532
533 ggid = gid[iidx];
534 /* Update potential energies */
535 kernel_data->energygrp_elec[ggid] += velecsum;
536 kernel_data->energygrp_vdw[ggid] += vvdwsum;
537
538 /* Increment number of inner iterations */
539 inneriter += j_index_end - j_index_start;
540
541 /* Outer loop uses 32 flops */
542 }
543
544 /* Increment number of outer iterations */
545 outeriter += nri;
546
547 /* Update outer/inner flops */
548
549 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_VF,outeriter*32 + inneriter*255)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_VF] += outeriter*32 +
inneriter*255
;
550}
551/*
552 * Gromacs nonbonded kernel: nb_kernel_ElecCoul_VdwLJ_GeomW3W3_F_c
553 * Electrostatics interaction: Coulomb
554 * VdW interaction: LennardJones
555 * Geometry: Water3-Water3
556 * Calculate force/pot: Force
557 */
558void
559nb_kernel_ElecCoul_VdwLJ_GeomW3W3_F_c
560 (t_nblist * gmx_restrict__restrict nlist,
561 rvec * gmx_restrict__restrict xx,
562 rvec * gmx_restrict__restrict ff,
563 t_forcerec * gmx_restrict__restrict fr,
564 t_mdatoms * gmx_restrict__restrict mdatoms,
565 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict__restrict kernel_data,
566 t_nrnb * gmx_restrict__restrict nrnb)
567{
568 int i_shift_offset,i_coord_offset,j_coord_offset;
569 int j_index_start,j_index_end;
570 int nri,inr,ggid,iidx,jidx,jnr,outeriter,inneriter;
571 real shX,shY,shZ,tx,ty,tz,fscal,rcutoff,rcutoff2;
572 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
573 real *shiftvec,*fshift,*x,*f;
574 int vdwioffset0;
575 real ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
576 int vdwioffset1;
577 real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
578 int vdwioffset2;
579 real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
580 int vdwjidx0;
581 real jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
582 int vdwjidx1;
583 real jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
584 int vdwjidx2;
585 real jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
586 real dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00,cexp1_00,cexp2_00;
587 real dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01,cexp1_01,cexp2_01;
588 real dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02,cexp1_02,cexp2_02;
589 real dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10,cexp1_10,cexp2_10;
590 real dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11,cexp1_11,cexp2_11;
591 real dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12,cexp1_12,cexp2_12;
592 real dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20,cexp1_20,cexp2_20;
593 real dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21,cexp1_21,cexp2_21;
594 real dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22,cexp1_22,cexp2_22;
595 real velec,felec,velecsum,facel,crf,krf,krf2;
596 real *charge;
597 int nvdwtype;
598 real rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,br,vvdwexp,sh_vdw_invrcut6;
599 int *vdwtype;
600 real *vdwparam;
601
602 x = xx[0];
603 f = ff[0];
604
605 nri = nlist->nri;
606 iinr = nlist->iinr;
607 jindex = nlist->jindex;
608 jjnr = nlist->jjnr;
609 shiftidx = nlist->shift;
610 gid = nlist->gid;
Value stored to 'gid' is never read
611 shiftvec = fr->shift_vec[0];
612 fshift = fr->fshift[0];
613 facel = fr->epsfac;
614 charge = mdatoms->chargeA;
615 nvdwtype = fr->ntype;
616 vdwparam = fr->nbfp;
617 vdwtype = mdatoms->typeA;
618
619 /* Setup water-specific parameters */
620 inr = nlist->iinr[0];
621 iq0 = facel*charge[inr+0];
622 iq1 = facel*charge[inr+1];
623 iq2 = facel*charge[inr+2];
624 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
625
626 jq0 = charge[inr+0];
627 jq1 = charge[inr+1];
628 jq2 = charge[inr+2];
629 vdwjidx0 = 2*vdwtype[inr+0];
630 qq00 = iq0*jq0;
631 c6_00 = vdwparam[vdwioffset0+vdwjidx0];
632 c12_00 = vdwparam[vdwioffset0+vdwjidx0+1];
633 qq01 = iq0*jq1;
634 qq02 = iq0*jq2;
635 qq10 = iq1*jq0;
636 qq11 = iq1*jq1;
637 qq12 = iq1*jq2;
638 qq20 = iq2*jq0;
639 qq21 = iq2*jq1;
640 qq22 = iq2*jq2;
641
642 outeriter = 0;
643 inneriter = 0;
644
645 /* Start outer loop over neighborlists */
646 for(iidx=0; iidx<nri; iidx++)
647 {
648 /* Load shift vector for this list */
649 i_shift_offset = DIM3*shiftidx[iidx];
650 shX = shiftvec[i_shift_offset+XX0];
651 shY = shiftvec[i_shift_offset+YY1];
652 shZ = shiftvec[i_shift_offset+ZZ2];
653
654 /* Load limits for loop over neighbors */
655 j_index_start = jindex[iidx];
656 j_index_end = jindex[iidx+1];
657
658 /* Get outer coordinate index */
659 inr = iinr[iidx];
660 i_coord_offset = DIM3*inr;
661
662 /* Load i particle coords and add shift vector */
663 ix0 = shX + x[i_coord_offset+DIM3*0+XX0];
664 iy0 = shY + x[i_coord_offset+DIM3*0+YY1];
665 iz0 = shZ + x[i_coord_offset+DIM3*0+ZZ2];
666 ix1 = shX + x[i_coord_offset+DIM3*1+XX0];
667 iy1 = shY + x[i_coord_offset+DIM3*1+YY1];
668 iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2];
669 ix2 = shX + x[i_coord_offset+DIM3*2+XX0];
670 iy2 = shY + x[i_coord_offset+DIM3*2+YY1];
671 iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2];
672
673 fix0 = 0.0;
674 fiy0 = 0.0;
675 fiz0 = 0.0;
676 fix1 = 0.0;
677 fiy1 = 0.0;
678 fiz1 = 0.0;
679 fix2 = 0.0;
680 fiy2 = 0.0;
681 fiz2 = 0.0;
682
683 /* Start inner kernel loop */
684 for(jidx=j_index_start; jidx<j_index_end; jidx++)
685 {
686 /* Get j neighbor index, and coordinate index */
687 jnr = jjnr[jidx];
688 j_coord_offset = DIM3*jnr;
689
690 /* load j atom coordinates */
691 jx0 = x[j_coord_offset+DIM3*0+XX0];
692 jy0 = x[j_coord_offset+DIM3*0+YY1];
693 jz0 = x[j_coord_offset+DIM3*0+ZZ2];
694 jx1 = x[j_coord_offset+DIM3*1+XX0];
695 jy1 = x[j_coord_offset+DIM3*1+YY1];
696 jz1 = x[j_coord_offset+DIM3*1+ZZ2];
697 jx2 = x[j_coord_offset+DIM3*2+XX0];
698 jy2 = x[j_coord_offset+DIM3*2+YY1];
699 jz2 = x[j_coord_offset+DIM3*2+ZZ2];
700
701 /* Calculate displacement vector */
702 dx00 = ix0 - jx0;
703 dy00 = iy0 - jy0;
704 dz00 = iz0 - jz0;
705 dx01 = ix0 - jx1;
706 dy01 = iy0 - jy1;
707 dz01 = iz0 - jz1;
708 dx02 = ix0 - jx2;
709 dy02 = iy0 - jy2;
710 dz02 = iz0 - jz2;
711 dx10 = ix1 - jx0;
712 dy10 = iy1 - jy0;
713 dz10 = iz1 - jz0;
714 dx11 = ix1 - jx1;
715 dy11 = iy1 - jy1;
716 dz11 = iz1 - jz1;
717 dx12 = ix1 - jx2;
718 dy12 = iy1 - jy2;
719 dz12 = iz1 - jz2;
720 dx20 = ix2 - jx0;
721 dy20 = iy2 - jy0;
722 dz20 = iz2 - jz0;
723 dx21 = ix2 - jx1;
724 dy21 = iy2 - jy1;
725 dz21 = iz2 - jz1;
726 dx22 = ix2 - jx2;
727 dy22 = iy2 - jy2;
728 dz22 = iz2 - jz2;
729
730 /* Calculate squared distance and things based on it */
731 rsq00 = dx00*dx00+dy00*dy00+dz00*dz00;
732 rsq01 = dx01*dx01+dy01*dy01+dz01*dz01;
733 rsq02 = dx02*dx02+dy02*dy02+dz02*dz02;
734 rsq10 = dx10*dx10+dy10*dy10+dz10*dz10;
735 rsq11 = dx11*dx11+dy11*dy11+dz11*dz11;
736 rsq12 = dx12*dx12+dy12*dy12+dz12*dz12;
737 rsq20 = dx20*dx20+dy20*dy20+dz20*dz20;
738 rsq21 = dx21*dx21+dy21*dy21+dz21*dz21;
739 rsq22 = dx22*dx22+dy22*dy22+dz22*dz22;
740
741 rinv00 = gmx_invsqrt(rsq00)gmx_software_invsqrt(rsq00);
742 rinv01 = gmx_invsqrt(rsq01)gmx_software_invsqrt(rsq01);
743 rinv02 = gmx_invsqrt(rsq02)gmx_software_invsqrt(rsq02);
744 rinv10 = gmx_invsqrt(rsq10)gmx_software_invsqrt(rsq10);
745 rinv11 = gmx_invsqrt(rsq11)gmx_software_invsqrt(rsq11);
746 rinv12 = gmx_invsqrt(rsq12)gmx_software_invsqrt(rsq12);
747 rinv20 = gmx_invsqrt(rsq20)gmx_software_invsqrt(rsq20);
748 rinv21 = gmx_invsqrt(rsq21)gmx_software_invsqrt(rsq21);
749 rinv22 = gmx_invsqrt(rsq22)gmx_software_invsqrt(rsq22);
750
751 rinvsq00 = rinv00*rinv00;
752 rinvsq01 = rinv01*rinv01;
753 rinvsq02 = rinv02*rinv02;
754 rinvsq10 = rinv10*rinv10;
755 rinvsq11 = rinv11*rinv11;
756 rinvsq12 = rinv12*rinv12;
757 rinvsq20 = rinv20*rinv20;
758 rinvsq21 = rinv21*rinv21;
759 rinvsq22 = rinv22*rinv22;
760
761 /**************************
762 * CALCULATE INTERACTIONS *
763 **************************/
764
765 /* COULOMB ELECTROSTATICS */
766 velec = qq00*rinv00;
767 felec = velec*rinvsq00;
768
769 /* LENNARD-JONES DISPERSION/REPULSION */
770
771 rinvsix = rinvsq00*rinvsq00*rinvsq00;
772 fvdw = (c12_00*rinvsix-c6_00)*rinvsix*rinvsq00;
773
774 fscal = felec+fvdw;
775
776 /* Calculate temporary vectorial force */
777 tx = fscal*dx00;
778 ty = fscal*dy00;
779 tz = fscal*dz00;
780
781 /* Update vectorial force */
782 fix0 += tx;
783 fiy0 += ty;
784 fiz0 += tz;
785 f[j_coord_offset+DIM3*0+XX0] -= tx;
786 f[j_coord_offset+DIM3*0+YY1] -= ty;
787 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
788
789 /**************************
790 * CALCULATE INTERACTIONS *
791 **************************/
792
793 /* COULOMB ELECTROSTATICS */
794 velec = qq01*rinv01;
795 felec = velec*rinvsq01;
796
797 fscal = felec;
798
799 /* Calculate temporary vectorial force */
800 tx = fscal*dx01;
801 ty = fscal*dy01;
802 tz = fscal*dz01;
803
804 /* Update vectorial force */
805 fix0 += tx;
806 fiy0 += ty;
807 fiz0 += tz;
808 f[j_coord_offset+DIM3*1+XX0] -= tx;
809 f[j_coord_offset+DIM3*1+YY1] -= ty;
810 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
811
812 /**************************
813 * CALCULATE INTERACTIONS *
814 **************************/
815
816 /* COULOMB ELECTROSTATICS */
817 velec = qq02*rinv02;
818 felec = velec*rinvsq02;
819
820 fscal = felec;
821
822 /* Calculate temporary vectorial force */
823 tx = fscal*dx02;
824 ty = fscal*dy02;
825 tz = fscal*dz02;
826
827 /* Update vectorial force */
828 fix0 += tx;
829 fiy0 += ty;
830 fiz0 += tz;
831 f[j_coord_offset+DIM3*2+XX0] -= tx;
832 f[j_coord_offset+DIM3*2+YY1] -= ty;
833 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
834
835 /**************************
836 * CALCULATE INTERACTIONS *
837 **************************/
838
839 /* COULOMB ELECTROSTATICS */
840 velec = qq10*rinv10;
841 felec = velec*rinvsq10;
842
843 fscal = felec;
844
845 /* Calculate temporary vectorial force */
846 tx = fscal*dx10;
847 ty = fscal*dy10;
848 tz = fscal*dz10;
849
850 /* Update vectorial force */
851 fix1 += tx;
852 fiy1 += ty;
853 fiz1 += tz;
854 f[j_coord_offset+DIM3*0+XX0] -= tx;
855 f[j_coord_offset+DIM3*0+YY1] -= ty;
856 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
857
858 /**************************
859 * CALCULATE INTERACTIONS *
860 **************************/
861
862 /* COULOMB ELECTROSTATICS */
863 velec = qq11*rinv11;
864 felec = velec*rinvsq11;
865
866 fscal = felec;
867
868 /* Calculate temporary vectorial force */
869 tx = fscal*dx11;
870 ty = fscal*dy11;
871 tz = fscal*dz11;
872
873 /* Update vectorial force */
874 fix1 += tx;
875 fiy1 += ty;
876 fiz1 += tz;
877 f[j_coord_offset+DIM3*1+XX0] -= tx;
878 f[j_coord_offset+DIM3*1+YY1] -= ty;
879 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
880
881 /**************************
882 * CALCULATE INTERACTIONS *
883 **************************/
884
885 /* COULOMB ELECTROSTATICS */
886 velec = qq12*rinv12;
887 felec = velec*rinvsq12;
888
889 fscal = felec;
890
891 /* Calculate temporary vectorial force */
892 tx = fscal*dx12;
893 ty = fscal*dy12;
894 tz = fscal*dz12;
895
896 /* Update vectorial force */
897 fix1 += tx;
898 fiy1 += ty;
899 fiz1 += tz;
900 f[j_coord_offset+DIM3*2+XX0] -= tx;
901 f[j_coord_offset+DIM3*2+YY1] -= ty;
902 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
903
904 /**************************
905 * CALCULATE INTERACTIONS *
906 **************************/
907
908 /* COULOMB ELECTROSTATICS */
909 velec = qq20*rinv20;
910 felec = velec*rinvsq20;
911
912 fscal = felec;
913
914 /* Calculate temporary vectorial force */
915 tx = fscal*dx20;
916 ty = fscal*dy20;
917 tz = fscal*dz20;
918
919 /* Update vectorial force */
920 fix2 += tx;
921 fiy2 += ty;
922 fiz2 += tz;
923 f[j_coord_offset+DIM3*0+XX0] -= tx;
924 f[j_coord_offset+DIM3*0+YY1] -= ty;
925 f[j_coord_offset+DIM3*0+ZZ2] -= tz;
926
927 /**************************
928 * CALCULATE INTERACTIONS *
929 **************************/
930
931 /* COULOMB ELECTROSTATICS */
932 velec = qq21*rinv21;
933 felec = velec*rinvsq21;
934
935 fscal = felec;
936
937 /* Calculate temporary vectorial force */
938 tx = fscal*dx21;
939 ty = fscal*dy21;
940 tz = fscal*dz21;
941
942 /* Update vectorial force */
943 fix2 += tx;
944 fiy2 += ty;
945 fiz2 += tz;
946 f[j_coord_offset+DIM3*1+XX0] -= tx;
947 f[j_coord_offset+DIM3*1+YY1] -= ty;
948 f[j_coord_offset+DIM3*1+ZZ2] -= tz;
949
950 /**************************
951 * CALCULATE INTERACTIONS *
952 **************************/
953
954 /* COULOMB ELECTROSTATICS */
955 velec = qq22*rinv22;
956 felec = velec*rinvsq22;
957
958 fscal = felec;
959
960 /* Calculate temporary vectorial force */
961 tx = fscal*dx22;
962 ty = fscal*dy22;
963 tz = fscal*dz22;
964
965 /* Update vectorial force */
966 fix2 += tx;
967 fiy2 += ty;
968 fiz2 += tz;
969 f[j_coord_offset+DIM3*2+XX0] -= tx;
970 f[j_coord_offset+DIM3*2+YY1] -= ty;
971 f[j_coord_offset+DIM3*2+ZZ2] -= tz;
972
973 /* Inner loop uses 241 flops */
974 }
975 /* End of innermost loop */
976
977 tx = ty = tz = 0;
978 f[i_coord_offset+DIM3*0+XX0] += fix0;
979 f[i_coord_offset+DIM3*0+YY1] += fiy0;
980 f[i_coord_offset+DIM3*0+ZZ2] += fiz0;
981 tx += fix0;
982 ty += fiy0;
983 tz += fiz0;
984 f[i_coord_offset+DIM3*1+XX0] += fix1;
985 f[i_coord_offset+DIM3*1+YY1] += fiy1;
986 f[i_coord_offset+DIM3*1+ZZ2] += fiz1;
987 tx += fix1;
988 ty += fiy1;
989 tz += fiz1;
990 f[i_coord_offset+DIM3*2+XX0] += fix2;
991 f[i_coord_offset+DIM3*2+YY1] += fiy2;
992 f[i_coord_offset+DIM3*2+ZZ2] += fiz2;
993 tx += fix2;
994 ty += fiy2;
995 tz += fiz2;
996 fshift[i_shift_offset+XX0] += tx;
997 fshift[i_shift_offset+YY1] += ty;
998 fshift[i_shift_offset+ZZ2] += tz;
999
1000 /* Increment number of inner iterations */
1001 inneriter += j_index_end - j_index_start;
1002
1003 /* Outer loop uses 30 flops */
1004 }
1005
1006 /* Increment number of outer iterations */
1007 outeriter += nri;
1008
1009 /* Update outer/inner flops */
1010
1011 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_F,outeriter*30 + inneriter*241)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_F] += outeriter*30 + inneriter
*241
;
1012}