File: | gromacs/gmxlib/nonbonded/nb_kernel_c/nb_kernel_ElecCoul_VdwNone_GeomW4W4_c.c |
Location: | line 584, column 5 |
Description: | Value stored to 'gid' is never read |
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 | * |
9 | * GROMACS is free software; you can redistribute it and/or |
10 | * modify it under the terms of the GNU Lesser General Public License |
11 | * as published by the Free Software Foundation; either version 2.1 |
12 | * of the License, or (at your option) any later version. |
13 | * |
14 | * GROMACS is distributed in the hope that it will be useful, |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | * Lesser General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU Lesser General Public |
20 | * License along with GROMACS; if not, see |
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25 | * consider that scientific software is very special. Version |
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28 | * derived work must not be called official GROMACS. Details are found |
29 | * in the README & COPYING files - if they are missing, get the |
30 | * official version at http://www.gromacs.org. |
31 | * |
32 | * To help us fund GROMACS development, we humbly ask that you cite |
33 | * the research papers on the package. Check out http://www.gromacs.org. |
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_VdwNone_GeomW4W4_VF_c |
51 | * Electrostatics interaction: Coulomb |
52 | * VdW interaction: None |
53 | * Geometry: Water4-Water4 |
54 | * Calculate force/pot: PotentialAndForce |
55 | */ |
56 | void |
57 | nb_kernel_ElecCoul_VdwNone_GeomW4W4_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 vdwioffset1; |
73 | real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
74 | int vdwioffset2; |
75 | real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
76 | int vdwioffset3; |
77 | real ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3; |
78 | int vdwjidx1; |
79 | real jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1; |
80 | int vdwjidx2; |
81 | real jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2; |
82 | int vdwjidx3; |
83 | real jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3; |
84 | real dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11,cexp1_11,cexp2_11; |
85 | real dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12,cexp1_12,cexp2_12; |
86 | real dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13,cexp1_13,cexp2_13; |
87 | real dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21,cexp1_21,cexp2_21; |
88 | real dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22,cexp1_22,cexp2_22; |
89 | real dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23,cexp1_23,cexp2_23; |
90 | real dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31,cexp1_31,cexp2_31; |
91 | real dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32,cexp1_32,cexp2_32; |
92 | real dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33,cexp1_33,cexp2_33; |
93 | real velec,felec,velecsum,facel,crf,krf,krf2; |
94 | real *charge; |
95 | |
96 | x = xx[0]; |
97 | f = ff[0]; |
98 | |
99 | nri = nlist->nri; |
100 | iinr = nlist->iinr; |
101 | jindex = nlist->jindex; |
102 | jjnr = nlist->jjnr; |
103 | shiftidx = nlist->shift; |
104 | gid = nlist->gid; |
105 | shiftvec = fr->shift_vec[0]; |
106 | fshift = fr->fshift[0]; |
107 | facel = fr->epsfac; |
108 | charge = mdatoms->chargeA; |
109 | |
110 | /* Setup water-specific parameters */ |
111 | inr = nlist->iinr[0]; |
112 | iq1 = facel*charge[inr+1]; |
113 | iq2 = facel*charge[inr+2]; |
114 | iq3 = facel*charge[inr+3]; |
115 | |
116 | jq1 = charge[inr+1]; |
117 | jq2 = charge[inr+2]; |
118 | jq3 = charge[inr+3]; |
119 | qq11 = iq1*jq1; |
120 | qq12 = iq1*jq2; |
121 | qq13 = iq1*jq3; |
122 | qq21 = iq2*jq1; |
123 | qq22 = iq2*jq2; |
124 | qq23 = iq2*jq3; |
125 | qq31 = iq3*jq1; |
126 | qq32 = iq3*jq2; |
127 | qq33 = iq3*jq3; |
128 | |
129 | outeriter = 0; |
130 | inneriter = 0; |
131 | |
132 | /* Start outer loop over neighborlists */ |
133 | for(iidx=0; iidx<nri; iidx++) |
134 | { |
135 | /* Load shift vector for this list */ |
136 | i_shift_offset = DIM3*shiftidx[iidx]; |
137 | shX = shiftvec[i_shift_offset+XX0]; |
138 | shY = shiftvec[i_shift_offset+YY1]; |
139 | shZ = shiftvec[i_shift_offset+ZZ2]; |
140 | |
141 | /* Load limits for loop over neighbors */ |
142 | j_index_start = jindex[iidx]; |
143 | j_index_end = jindex[iidx+1]; |
144 | |
145 | /* Get outer coordinate index */ |
146 | inr = iinr[iidx]; |
147 | i_coord_offset = DIM3*inr; |
148 | |
149 | /* Load i particle coords and add shift vector */ |
150 | ix1 = shX + x[i_coord_offset+DIM3*1+XX0]; |
151 | iy1 = shY + x[i_coord_offset+DIM3*1+YY1]; |
152 | iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2]; |
153 | ix2 = shX + x[i_coord_offset+DIM3*2+XX0]; |
154 | iy2 = shY + x[i_coord_offset+DIM3*2+YY1]; |
155 | iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2]; |
156 | ix3 = shX + x[i_coord_offset+DIM3*3+XX0]; |
157 | iy3 = shY + x[i_coord_offset+DIM3*3+YY1]; |
158 | iz3 = shZ + x[i_coord_offset+DIM3*3+ZZ2]; |
159 | |
160 | fix1 = 0.0; |
161 | fiy1 = 0.0; |
162 | fiz1 = 0.0; |
163 | fix2 = 0.0; |
164 | fiy2 = 0.0; |
165 | fiz2 = 0.0; |
166 | fix3 = 0.0; |
167 | fiy3 = 0.0; |
168 | fiz3 = 0.0; |
169 | |
170 | /* Reset potential sums */ |
171 | velecsum = 0.0; |
172 | |
173 | /* Start inner kernel loop */ |
174 | for(jidx=j_index_start; jidx<j_index_end; jidx++) |
175 | { |
176 | /* Get j neighbor index, and coordinate index */ |
177 | jnr = jjnr[jidx]; |
178 | j_coord_offset = DIM3*jnr; |
179 | |
180 | /* load j atom coordinates */ |
181 | jx1 = x[j_coord_offset+DIM3*1+XX0]; |
182 | jy1 = x[j_coord_offset+DIM3*1+YY1]; |
183 | jz1 = x[j_coord_offset+DIM3*1+ZZ2]; |
184 | jx2 = x[j_coord_offset+DIM3*2+XX0]; |
185 | jy2 = x[j_coord_offset+DIM3*2+YY1]; |
186 | jz2 = x[j_coord_offset+DIM3*2+ZZ2]; |
187 | jx3 = x[j_coord_offset+DIM3*3+XX0]; |
188 | jy3 = x[j_coord_offset+DIM3*3+YY1]; |
189 | jz3 = x[j_coord_offset+DIM3*3+ZZ2]; |
190 | |
191 | /* Calculate displacement vector */ |
192 | dx11 = ix1 - jx1; |
193 | dy11 = iy1 - jy1; |
194 | dz11 = iz1 - jz1; |
195 | dx12 = ix1 - jx2; |
196 | dy12 = iy1 - jy2; |
197 | dz12 = iz1 - jz2; |
198 | dx13 = ix1 - jx3; |
199 | dy13 = iy1 - jy3; |
200 | dz13 = iz1 - jz3; |
201 | dx21 = ix2 - jx1; |
202 | dy21 = iy2 - jy1; |
203 | dz21 = iz2 - jz1; |
204 | dx22 = ix2 - jx2; |
205 | dy22 = iy2 - jy2; |
206 | dz22 = iz2 - jz2; |
207 | dx23 = ix2 - jx3; |
208 | dy23 = iy2 - jy3; |
209 | dz23 = iz2 - jz3; |
210 | dx31 = ix3 - jx1; |
211 | dy31 = iy3 - jy1; |
212 | dz31 = iz3 - jz1; |
213 | dx32 = ix3 - jx2; |
214 | dy32 = iy3 - jy2; |
215 | dz32 = iz3 - jz2; |
216 | dx33 = ix3 - jx3; |
217 | dy33 = iy3 - jy3; |
218 | dz33 = iz3 - jz3; |
219 | |
220 | /* Calculate squared distance and things based on it */ |
221 | rsq11 = dx11*dx11+dy11*dy11+dz11*dz11; |
222 | rsq12 = dx12*dx12+dy12*dy12+dz12*dz12; |
223 | rsq13 = dx13*dx13+dy13*dy13+dz13*dz13; |
224 | rsq21 = dx21*dx21+dy21*dy21+dz21*dz21; |
225 | rsq22 = dx22*dx22+dy22*dy22+dz22*dz22; |
226 | rsq23 = dx23*dx23+dy23*dy23+dz23*dz23; |
227 | rsq31 = dx31*dx31+dy31*dy31+dz31*dz31; |
228 | rsq32 = dx32*dx32+dy32*dy32+dz32*dz32; |
229 | rsq33 = dx33*dx33+dy33*dy33+dz33*dz33; |
230 | |
231 | rinv11 = gmx_invsqrt(rsq11)gmx_software_invsqrt(rsq11); |
232 | rinv12 = gmx_invsqrt(rsq12)gmx_software_invsqrt(rsq12); |
233 | rinv13 = gmx_invsqrt(rsq13)gmx_software_invsqrt(rsq13); |
234 | rinv21 = gmx_invsqrt(rsq21)gmx_software_invsqrt(rsq21); |
235 | rinv22 = gmx_invsqrt(rsq22)gmx_software_invsqrt(rsq22); |
236 | rinv23 = gmx_invsqrt(rsq23)gmx_software_invsqrt(rsq23); |
237 | rinv31 = gmx_invsqrt(rsq31)gmx_software_invsqrt(rsq31); |
238 | rinv32 = gmx_invsqrt(rsq32)gmx_software_invsqrt(rsq32); |
239 | rinv33 = gmx_invsqrt(rsq33)gmx_software_invsqrt(rsq33); |
240 | |
241 | rinvsq11 = rinv11*rinv11; |
242 | rinvsq12 = rinv12*rinv12; |
243 | rinvsq13 = rinv13*rinv13; |
244 | rinvsq21 = rinv21*rinv21; |
245 | rinvsq22 = rinv22*rinv22; |
246 | rinvsq23 = rinv23*rinv23; |
247 | rinvsq31 = rinv31*rinv31; |
248 | rinvsq32 = rinv32*rinv32; |
249 | rinvsq33 = rinv33*rinv33; |
250 | |
251 | /************************** |
252 | * CALCULATE INTERACTIONS * |
253 | **************************/ |
254 | |
255 | /* COULOMB ELECTROSTATICS */ |
256 | velec = qq11*rinv11; |
257 | felec = velec*rinvsq11; |
258 | |
259 | /* Update potential sums from outer loop */ |
260 | velecsum += velec; |
261 | |
262 | fscal = felec; |
263 | |
264 | /* Calculate temporary vectorial force */ |
265 | tx = fscal*dx11; |
266 | ty = fscal*dy11; |
267 | tz = fscal*dz11; |
268 | |
269 | /* Update vectorial force */ |
270 | fix1 += tx; |
271 | fiy1 += ty; |
272 | fiz1 += tz; |
273 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
274 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
275 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
276 | |
277 | /************************** |
278 | * CALCULATE INTERACTIONS * |
279 | **************************/ |
280 | |
281 | /* COULOMB ELECTROSTATICS */ |
282 | velec = qq12*rinv12; |
283 | felec = velec*rinvsq12; |
284 | |
285 | /* Update potential sums from outer loop */ |
286 | velecsum += velec; |
287 | |
288 | fscal = felec; |
289 | |
290 | /* Calculate temporary vectorial force */ |
291 | tx = fscal*dx12; |
292 | ty = fscal*dy12; |
293 | tz = fscal*dz12; |
294 | |
295 | /* Update vectorial force */ |
296 | fix1 += tx; |
297 | fiy1 += ty; |
298 | fiz1 += tz; |
299 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
300 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
301 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
302 | |
303 | /************************** |
304 | * CALCULATE INTERACTIONS * |
305 | **************************/ |
306 | |
307 | /* COULOMB ELECTROSTATICS */ |
308 | velec = qq13*rinv13; |
309 | felec = velec*rinvsq13; |
310 | |
311 | /* Update potential sums from outer loop */ |
312 | velecsum += velec; |
313 | |
314 | fscal = felec; |
315 | |
316 | /* Calculate temporary vectorial force */ |
317 | tx = fscal*dx13; |
318 | ty = fscal*dy13; |
319 | tz = fscal*dz13; |
320 | |
321 | /* Update vectorial force */ |
322 | fix1 += tx; |
323 | fiy1 += ty; |
324 | fiz1 += tz; |
325 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
326 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
327 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
328 | |
329 | /************************** |
330 | * CALCULATE INTERACTIONS * |
331 | **************************/ |
332 | |
333 | /* COULOMB ELECTROSTATICS */ |
334 | velec = qq21*rinv21; |
335 | felec = velec*rinvsq21; |
336 | |
337 | /* Update potential sums from outer loop */ |
338 | velecsum += velec; |
339 | |
340 | fscal = felec; |
341 | |
342 | /* Calculate temporary vectorial force */ |
343 | tx = fscal*dx21; |
344 | ty = fscal*dy21; |
345 | tz = fscal*dz21; |
346 | |
347 | /* Update vectorial force */ |
348 | fix2 += tx; |
349 | fiy2 += ty; |
350 | fiz2 += tz; |
351 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
352 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
353 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
354 | |
355 | /************************** |
356 | * CALCULATE INTERACTIONS * |
357 | **************************/ |
358 | |
359 | /* COULOMB ELECTROSTATICS */ |
360 | velec = qq22*rinv22; |
361 | felec = velec*rinvsq22; |
362 | |
363 | /* Update potential sums from outer loop */ |
364 | velecsum += velec; |
365 | |
366 | fscal = felec; |
367 | |
368 | /* Calculate temporary vectorial force */ |
369 | tx = fscal*dx22; |
370 | ty = fscal*dy22; |
371 | tz = fscal*dz22; |
372 | |
373 | /* Update vectorial force */ |
374 | fix2 += tx; |
375 | fiy2 += ty; |
376 | fiz2 += tz; |
377 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
378 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
379 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
380 | |
381 | /************************** |
382 | * CALCULATE INTERACTIONS * |
383 | **************************/ |
384 | |
385 | /* COULOMB ELECTROSTATICS */ |
386 | velec = qq23*rinv23; |
387 | felec = velec*rinvsq23; |
388 | |
389 | /* Update potential sums from outer loop */ |
390 | velecsum += velec; |
391 | |
392 | fscal = felec; |
393 | |
394 | /* Calculate temporary vectorial force */ |
395 | tx = fscal*dx23; |
396 | ty = fscal*dy23; |
397 | tz = fscal*dz23; |
398 | |
399 | /* Update vectorial force */ |
400 | fix2 += tx; |
401 | fiy2 += ty; |
402 | fiz2 += tz; |
403 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
404 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
405 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
406 | |
407 | /************************** |
408 | * CALCULATE INTERACTIONS * |
409 | **************************/ |
410 | |
411 | /* COULOMB ELECTROSTATICS */ |
412 | velec = qq31*rinv31; |
413 | felec = velec*rinvsq31; |
414 | |
415 | /* Update potential sums from outer loop */ |
416 | velecsum += velec; |
417 | |
418 | fscal = felec; |
419 | |
420 | /* Calculate temporary vectorial force */ |
421 | tx = fscal*dx31; |
422 | ty = fscal*dy31; |
423 | tz = fscal*dz31; |
424 | |
425 | /* Update vectorial force */ |
426 | fix3 += tx; |
427 | fiy3 += ty; |
428 | fiz3 += tz; |
429 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
430 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
431 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
432 | |
433 | /************************** |
434 | * CALCULATE INTERACTIONS * |
435 | **************************/ |
436 | |
437 | /* COULOMB ELECTROSTATICS */ |
438 | velec = qq32*rinv32; |
439 | felec = velec*rinvsq32; |
440 | |
441 | /* Update potential sums from outer loop */ |
442 | velecsum += velec; |
443 | |
444 | fscal = felec; |
445 | |
446 | /* Calculate temporary vectorial force */ |
447 | tx = fscal*dx32; |
448 | ty = fscal*dy32; |
449 | tz = fscal*dz32; |
450 | |
451 | /* Update vectorial force */ |
452 | fix3 += tx; |
453 | fiy3 += ty; |
454 | fiz3 += tz; |
455 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
456 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
457 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
458 | |
459 | /************************** |
460 | * CALCULATE INTERACTIONS * |
461 | **************************/ |
462 | |
463 | /* COULOMB ELECTROSTATICS */ |
464 | velec = qq33*rinv33; |
465 | felec = velec*rinvsq33; |
466 | |
467 | /* Update potential sums from outer loop */ |
468 | velecsum += velec; |
469 | |
470 | fscal = felec; |
471 | |
472 | /* Calculate temporary vectorial force */ |
473 | tx = fscal*dx33; |
474 | ty = fscal*dy33; |
475 | tz = fscal*dz33; |
476 | |
477 | /* Update vectorial force */ |
478 | fix3 += tx; |
479 | fiy3 += ty; |
480 | fiz3 += tz; |
481 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
482 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
483 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
484 | |
485 | /* Inner loop uses 243 flops */ |
486 | } |
487 | /* End of innermost loop */ |
488 | |
489 | tx = ty = tz = 0; |
490 | f[i_coord_offset+DIM3*1+XX0] += fix1; |
491 | f[i_coord_offset+DIM3*1+YY1] += fiy1; |
492 | f[i_coord_offset+DIM3*1+ZZ2] += fiz1; |
493 | tx += fix1; |
494 | ty += fiy1; |
495 | tz += fiz1; |
496 | f[i_coord_offset+DIM3*2+XX0] += fix2; |
497 | f[i_coord_offset+DIM3*2+YY1] += fiy2; |
498 | f[i_coord_offset+DIM3*2+ZZ2] += fiz2; |
499 | tx += fix2; |
500 | ty += fiy2; |
501 | tz += fiz2; |
502 | f[i_coord_offset+DIM3*3+XX0] += fix3; |
503 | f[i_coord_offset+DIM3*3+YY1] += fiy3; |
504 | f[i_coord_offset+DIM3*3+ZZ2] += fiz3; |
505 | tx += fix3; |
506 | ty += fiy3; |
507 | tz += fiz3; |
508 | fshift[i_shift_offset+XX0] += tx; |
509 | fshift[i_shift_offset+YY1] += ty; |
510 | fshift[i_shift_offset+ZZ2] += tz; |
511 | |
512 | ggid = gid[iidx]; |
513 | /* Update potential energies */ |
514 | kernel_data->energygrp_elec[ggid] += velecsum; |
515 | |
516 | /* Increment number of inner iterations */ |
517 | inneriter += j_index_end - j_index_start; |
518 | |
519 | /* Outer loop uses 31 flops */ |
520 | } |
521 | |
522 | /* Increment number of outer iterations */ |
523 | outeriter += nri; |
524 | |
525 | /* Update outer/inner flops */ |
526 | |
527 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_VF,outeriter*31 + inneriter*243)(nrnb)->n[eNR_NBKERNEL_ELEC_W4W4_VF] += outeriter*31 + inneriter *243; |
528 | } |
529 | /* |
530 | * Gromacs nonbonded kernel: nb_kernel_ElecCoul_VdwNone_GeomW4W4_F_c |
531 | * Electrostatics interaction: Coulomb |
532 | * VdW interaction: None |
533 | * Geometry: Water4-Water4 |
534 | * Calculate force/pot: Force |
535 | */ |
536 | void |
537 | nb_kernel_ElecCoul_VdwNone_GeomW4W4_F_c |
538 | (t_nblist * gmx_restrict__restrict nlist, |
539 | rvec * gmx_restrict__restrict xx, |
540 | rvec * gmx_restrict__restrict ff, |
541 | t_forcerec * gmx_restrict__restrict fr, |
542 | t_mdatoms * gmx_restrict__restrict mdatoms, |
543 | nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict__restrict kernel_data, |
544 | t_nrnb * gmx_restrict__restrict nrnb) |
545 | { |
546 | int i_shift_offset,i_coord_offset,j_coord_offset; |
547 | int j_index_start,j_index_end; |
548 | int nri,inr,ggid,iidx,jidx,jnr,outeriter,inneriter; |
549 | real shX,shY,shZ,tx,ty,tz,fscal,rcutoff,rcutoff2; |
550 | int *iinr,*jindex,*jjnr,*shiftidx,*gid; |
551 | real *shiftvec,*fshift,*x,*f; |
552 | int vdwioffset1; |
553 | real ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1; |
554 | int vdwioffset2; |
555 | real ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2; |
556 | int vdwioffset3; |
557 | real ix3,iy3,iz3,fix3,fiy3,fiz3,iq3,isai3; |
558 | int vdwjidx1; |
559 | real jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1; |
560 | int vdwjidx2; |
561 | real jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2; |
562 | int vdwjidx3; |
563 | real jx3,jy3,jz3,fjx3,fjy3,fjz3,jq3,isaj3; |
564 | real dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11,cexp1_11,cexp2_11; |
565 | real dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12,cexp1_12,cexp2_12; |
566 | real dx13,dy13,dz13,rsq13,rinv13,rinvsq13,r13,qq13,c6_13,c12_13,cexp1_13,cexp2_13; |
567 | real dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21,cexp1_21,cexp2_21; |
568 | real dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22,cexp1_22,cexp2_22; |
569 | real dx23,dy23,dz23,rsq23,rinv23,rinvsq23,r23,qq23,c6_23,c12_23,cexp1_23,cexp2_23; |
570 | real dx31,dy31,dz31,rsq31,rinv31,rinvsq31,r31,qq31,c6_31,c12_31,cexp1_31,cexp2_31; |
571 | real dx32,dy32,dz32,rsq32,rinv32,rinvsq32,r32,qq32,c6_32,c12_32,cexp1_32,cexp2_32; |
572 | real dx33,dy33,dz33,rsq33,rinv33,rinvsq33,r33,qq33,c6_33,c12_33,cexp1_33,cexp2_33; |
573 | real velec,felec,velecsum,facel,crf,krf,krf2; |
574 | real *charge; |
575 | |
576 | x = xx[0]; |
577 | f = ff[0]; |
578 | |
579 | nri = nlist->nri; |
580 | iinr = nlist->iinr; |
581 | jindex = nlist->jindex; |
582 | jjnr = nlist->jjnr; |
583 | shiftidx = nlist->shift; |
584 | gid = nlist->gid; |
Value stored to 'gid' is never read | |
585 | shiftvec = fr->shift_vec[0]; |
586 | fshift = fr->fshift[0]; |
587 | facel = fr->epsfac; |
588 | charge = mdatoms->chargeA; |
589 | |
590 | /* Setup water-specific parameters */ |
591 | inr = nlist->iinr[0]; |
592 | iq1 = facel*charge[inr+1]; |
593 | iq2 = facel*charge[inr+2]; |
594 | iq3 = facel*charge[inr+3]; |
595 | |
596 | jq1 = charge[inr+1]; |
597 | jq2 = charge[inr+2]; |
598 | jq3 = charge[inr+3]; |
599 | qq11 = iq1*jq1; |
600 | qq12 = iq1*jq2; |
601 | qq13 = iq1*jq3; |
602 | qq21 = iq2*jq1; |
603 | qq22 = iq2*jq2; |
604 | qq23 = iq2*jq3; |
605 | qq31 = iq3*jq1; |
606 | qq32 = iq3*jq2; |
607 | qq33 = iq3*jq3; |
608 | |
609 | outeriter = 0; |
610 | inneriter = 0; |
611 | |
612 | /* Start outer loop over neighborlists */ |
613 | for(iidx=0; iidx<nri; iidx++) |
614 | { |
615 | /* Load shift vector for this list */ |
616 | i_shift_offset = DIM3*shiftidx[iidx]; |
617 | shX = shiftvec[i_shift_offset+XX0]; |
618 | shY = shiftvec[i_shift_offset+YY1]; |
619 | shZ = shiftvec[i_shift_offset+ZZ2]; |
620 | |
621 | /* Load limits for loop over neighbors */ |
622 | j_index_start = jindex[iidx]; |
623 | j_index_end = jindex[iidx+1]; |
624 | |
625 | /* Get outer coordinate index */ |
626 | inr = iinr[iidx]; |
627 | i_coord_offset = DIM3*inr; |
628 | |
629 | /* Load i particle coords and add shift vector */ |
630 | ix1 = shX + x[i_coord_offset+DIM3*1+XX0]; |
631 | iy1 = shY + x[i_coord_offset+DIM3*1+YY1]; |
632 | iz1 = shZ + x[i_coord_offset+DIM3*1+ZZ2]; |
633 | ix2 = shX + x[i_coord_offset+DIM3*2+XX0]; |
634 | iy2 = shY + x[i_coord_offset+DIM3*2+YY1]; |
635 | iz2 = shZ + x[i_coord_offset+DIM3*2+ZZ2]; |
636 | ix3 = shX + x[i_coord_offset+DIM3*3+XX0]; |
637 | iy3 = shY + x[i_coord_offset+DIM3*3+YY1]; |
638 | iz3 = shZ + x[i_coord_offset+DIM3*3+ZZ2]; |
639 | |
640 | fix1 = 0.0; |
641 | fiy1 = 0.0; |
642 | fiz1 = 0.0; |
643 | fix2 = 0.0; |
644 | fiy2 = 0.0; |
645 | fiz2 = 0.0; |
646 | fix3 = 0.0; |
647 | fiy3 = 0.0; |
648 | fiz3 = 0.0; |
649 | |
650 | /* Start inner kernel loop */ |
651 | for(jidx=j_index_start; jidx<j_index_end; jidx++) |
652 | { |
653 | /* Get j neighbor index, and coordinate index */ |
654 | jnr = jjnr[jidx]; |
655 | j_coord_offset = DIM3*jnr; |
656 | |
657 | /* load j atom coordinates */ |
658 | jx1 = x[j_coord_offset+DIM3*1+XX0]; |
659 | jy1 = x[j_coord_offset+DIM3*1+YY1]; |
660 | jz1 = x[j_coord_offset+DIM3*1+ZZ2]; |
661 | jx2 = x[j_coord_offset+DIM3*2+XX0]; |
662 | jy2 = x[j_coord_offset+DIM3*2+YY1]; |
663 | jz2 = x[j_coord_offset+DIM3*2+ZZ2]; |
664 | jx3 = x[j_coord_offset+DIM3*3+XX0]; |
665 | jy3 = x[j_coord_offset+DIM3*3+YY1]; |
666 | jz3 = x[j_coord_offset+DIM3*3+ZZ2]; |
667 | |
668 | /* Calculate displacement vector */ |
669 | dx11 = ix1 - jx1; |
670 | dy11 = iy1 - jy1; |
671 | dz11 = iz1 - jz1; |
672 | dx12 = ix1 - jx2; |
673 | dy12 = iy1 - jy2; |
674 | dz12 = iz1 - jz2; |
675 | dx13 = ix1 - jx3; |
676 | dy13 = iy1 - jy3; |
677 | dz13 = iz1 - jz3; |
678 | dx21 = ix2 - jx1; |
679 | dy21 = iy2 - jy1; |
680 | dz21 = iz2 - jz1; |
681 | dx22 = ix2 - jx2; |
682 | dy22 = iy2 - jy2; |
683 | dz22 = iz2 - jz2; |
684 | dx23 = ix2 - jx3; |
685 | dy23 = iy2 - jy3; |
686 | dz23 = iz2 - jz3; |
687 | dx31 = ix3 - jx1; |
688 | dy31 = iy3 - jy1; |
689 | dz31 = iz3 - jz1; |
690 | dx32 = ix3 - jx2; |
691 | dy32 = iy3 - jy2; |
692 | dz32 = iz3 - jz2; |
693 | dx33 = ix3 - jx3; |
694 | dy33 = iy3 - jy3; |
695 | dz33 = iz3 - jz3; |
696 | |
697 | /* Calculate squared distance and things based on it */ |
698 | rsq11 = dx11*dx11+dy11*dy11+dz11*dz11; |
699 | rsq12 = dx12*dx12+dy12*dy12+dz12*dz12; |
700 | rsq13 = dx13*dx13+dy13*dy13+dz13*dz13; |
701 | rsq21 = dx21*dx21+dy21*dy21+dz21*dz21; |
702 | rsq22 = dx22*dx22+dy22*dy22+dz22*dz22; |
703 | rsq23 = dx23*dx23+dy23*dy23+dz23*dz23; |
704 | rsq31 = dx31*dx31+dy31*dy31+dz31*dz31; |
705 | rsq32 = dx32*dx32+dy32*dy32+dz32*dz32; |
706 | rsq33 = dx33*dx33+dy33*dy33+dz33*dz33; |
707 | |
708 | rinv11 = gmx_invsqrt(rsq11)gmx_software_invsqrt(rsq11); |
709 | rinv12 = gmx_invsqrt(rsq12)gmx_software_invsqrt(rsq12); |
710 | rinv13 = gmx_invsqrt(rsq13)gmx_software_invsqrt(rsq13); |
711 | rinv21 = gmx_invsqrt(rsq21)gmx_software_invsqrt(rsq21); |
712 | rinv22 = gmx_invsqrt(rsq22)gmx_software_invsqrt(rsq22); |
713 | rinv23 = gmx_invsqrt(rsq23)gmx_software_invsqrt(rsq23); |
714 | rinv31 = gmx_invsqrt(rsq31)gmx_software_invsqrt(rsq31); |
715 | rinv32 = gmx_invsqrt(rsq32)gmx_software_invsqrt(rsq32); |
716 | rinv33 = gmx_invsqrt(rsq33)gmx_software_invsqrt(rsq33); |
717 | |
718 | rinvsq11 = rinv11*rinv11; |
719 | rinvsq12 = rinv12*rinv12; |
720 | rinvsq13 = rinv13*rinv13; |
721 | rinvsq21 = rinv21*rinv21; |
722 | rinvsq22 = rinv22*rinv22; |
723 | rinvsq23 = rinv23*rinv23; |
724 | rinvsq31 = rinv31*rinv31; |
725 | rinvsq32 = rinv32*rinv32; |
726 | rinvsq33 = rinv33*rinv33; |
727 | |
728 | /************************** |
729 | * CALCULATE INTERACTIONS * |
730 | **************************/ |
731 | |
732 | /* COULOMB ELECTROSTATICS */ |
733 | velec = qq11*rinv11; |
734 | felec = velec*rinvsq11; |
735 | |
736 | fscal = felec; |
737 | |
738 | /* Calculate temporary vectorial force */ |
739 | tx = fscal*dx11; |
740 | ty = fscal*dy11; |
741 | tz = fscal*dz11; |
742 | |
743 | /* Update vectorial force */ |
744 | fix1 += tx; |
745 | fiy1 += ty; |
746 | fiz1 += tz; |
747 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
748 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
749 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
750 | |
751 | /************************** |
752 | * CALCULATE INTERACTIONS * |
753 | **************************/ |
754 | |
755 | /* COULOMB ELECTROSTATICS */ |
756 | velec = qq12*rinv12; |
757 | felec = velec*rinvsq12; |
758 | |
759 | fscal = felec; |
760 | |
761 | /* Calculate temporary vectorial force */ |
762 | tx = fscal*dx12; |
763 | ty = fscal*dy12; |
764 | tz = fscal*dz12; |
765 | |
766 | /* Update vectorial force */ |
767 | fix1 += tx; |
768 | fiy1 += ty; |
769 | fiz1 += tz; |
770 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
771 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
772 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
773 | |
774 | /************************** |
775 | * CALCULATE INTERACTIONS * |
776 | **************************/ |
777 | |
778 | /* COULOMB ELECTROSTATICS */ |
779 | velec = qq13*rinv13; |
780 | felec = velec*rinvsq13; |
781 | |
782 | fscal = felec; |
783 | |
784 | /* Calculate temporary vectorial force */ |
785 | tx = fscal*dx13; |
786 | ty = fscal*dy13; |
787 | tz = fscal*dz13; |
788 | |
789 | /* Update vectorial force */ |
790 | fix1 += tx; |
791 | fiy1 += ty; |
792 | fiz1 += tz; |
793 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
794 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
795 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
796 | |
797 | /************************** |
798 | * CALCULATE INTERACTIONS * |
799 | **************************/ |
800 | |
801 | /* COULOMB ELECTROSTATICS */ |
802 | velec = qq21*rinv21; |
803 | felec = velec*rinvsq21; |
804 | |
805 | fscal = felec; |
806 | |
807 | /* Calculate temporary vectorial force */ |
808 | tx = fscal*dx21; |
809 | ty = fscal*dy21; |
810 | tz = fscal*dz21; |
811 | |
812 | /* Update vectorial force */ |
813 | fix2 += tx; |
814 | fiy2 += ty; |
815 | fiz2 += tz; |
816 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
817 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
818 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
819 | |
820 | /************************** |
821 | * CALCULATE INTERACTIONS * |
822 | **************************/ |
823 | |
824 | /* COULOMB ELECTROSTATICS */ |
825 | velec = qq22*rinv22; |
826 | felec = velec*rinvsq22; |
827 | |
828 | fscal = felec; |
829 | |
830 | /* Calculate temporary vectorial force */ |
831 | tx = fscal*dx22; |
832 | ty = fscal*dy22; |
833 | tz = fscal*dz22; |
834 | |
835 | /* Update vectorial force */ |
836 | fix2 += tx; |
837 | fiy2 += ty; |
838 | fiz2 += tz; |
839 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
840 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
841 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
842 | |
843 | /************************** |
844 | * CALCULATE INTERACTIONS * |
845 | **************************/ |
846 | |
847 | /* COULOMB ELECTROSTATICS */ |
848 | velec = qq23*rinv23; |
849 | felec = velec*rinvsq23; |
850 | |
851 | fscal = felec; |
852 | |
853 | /* Calculate temporary vectorial force */ |
854 | tx = fscal*dx23; |
855 | ty = fscal*dy23; |
856 | tz = fscal*dz23; |
857 | |
858 | /* Update vectorial force */ |
859 | fix2 += tx; |
860 | fiy2 += ty; |
861 | fiz2 += tz; |
862 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
863 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
864 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
865 | |
866 | /************************** |
867 | * CALCULATE INTERACTIONS * |
868 | **************************/ |
869 | |
870 | /* COULOMB ELECTROSTATICS */ |
871 | velec = qq31*rinv31; |
872 | felec = velec*rinvsq31; |
873 | |
874 | fscal = felec; |
875 | |
876 | /* Calculate temporary vectorial force */ |
877 | tx = fscal*dx31; |
878 | ty = fscal*dy31; |
879 | tz = fscal*dz31; |
880 | |
881 | /* Update vectorial force */ |
882 | fix3 += tx; |
883 | fiy3 += ty; |
884 | fiz3 += tz; |
885 | f[j_coord_offset+DIM3*1+XX0] -= tx; |
886 | f[j_coord_offset+DIM3*1+YY1] -= ty; |
887 | f[j_coord_offset+DIM3*1+ZZ2] -= tz; |
888 | |
889 | /************************** |
890 | * CALCULATE INTERACTIONS * |
891 | **************************/ |
892 | |
893 | /* COULOMB ELECTROSTATICS */ |
894 | velec = qq32*rinv32; |
895 | felec = velec*rinvsq32; |
896 | |
897 | fscal = felec; |
898 | |
899 | /* Calculate temporary vectorial force */ |
900 | tx = fscal*dx32; |
901 | ty = fscal*dy32; |
902 | tz = fscal*dz32; |
903 | |
904 | /* Update vectorial force */ |
905 | fix3 += tx; |
906 | fiy3 += ty; |
907 | fiz3 += tz; |
908 | f[j_coord_offset+DIM3*2+XX0] -= tx; |
909 | f[j_coord_offset+DIM3*2+YY1] -= ty; |
910 | f[j_coord_offset+DIM3*2+ZZ2] -= tz; |
911 | |
912 | /************************** |
913 | * CALCULATE INTERACTIONS * |
914 | **************************/ |
915 | |
916 | /* COULOMB ELECTROSTATICS */ |
917 | velec = qq33*rinv33; |
918 | felec = velec*rinvsq33; |
919 | |
920 | fscal = felec; |
921 | |
922 | /* Calculate temporary vectorial force */ |
923 | tx = fscal*dx33; |
924 | ty = fscal*dy33; |
925 | tz = fscal*dz33; |
926 | |
927 | /* Update vectorial force */ |
928 | fix3 += tx; |
929 | fiy3 += ty; |
930 | fiz3 += tz; |
931 | f[j_coord_offset+DIM3*3+XX0] -= tx; |
932 | f[j_coord_offset+DIM3*3+YY1] -= ty; |
933 | f[j_coord_offset+DIM3*3+ZZ2] -= tz; |
934 | |
935 | /* Inner loop uses 234 flops */ |
936 | } |
937 | /* End of innermost loop */ |
938 | |
939 | tx = ty = tz = 0; |
940 | f[i_coord_offset+DIM3*1+XX0] += fix1; |
941 | f[i_coord_offset+DIM3*1+YY1] += fiy1; |
942 | f[i_coord_offset+DIM3*1+ZZ2] += fiz1; |
943 | tx += fix1; |
944 | ty += fiy1; |
945 | tz += fiz1; |
946 | f[i_coord_offset+DIM3*2+XX0] += fix2; |
947 | f[i_coord_offset+DIM3*2+YY1] += fiy2; |
948 | f[i_coord_offset+DIM3*2+ZZ2] += fiz2; |
949 | tx += fix2; |
950 | ty += fiy2; |
951 | tz += fiz2; |
952 | f[i_coord_offset+DIM3*3+XX0] += fix3; |
953 | f[i_coord_offset+DIM3*3+YY1] += fiy3; |
954 | f[i_coord_offset+DIM3*3+ZZ2] += fiz3; |
955 | tx += fix3; |
956 | ty += fiy3; |
957 | tz += fiz3; |
958 | fshift[i_shift_offset+XX0] += tx; |
959 | fshift[i_shift_offset+YY1] += ty; |
960 | fshift[i_shift_offset+ZZ2] += tz; |
961 | |
962 | /* Increment number of inner iterations */ |
963 | inneriter += j_index_end - j_index_start; |
964 | |
965 | /* Outer loop uses 30 flops */ |
966 | } |
967 | |
968 | /* Increment number of outer iterations */ |
969 | outeriter += nri; |
970 | |
971 | /* Update outer/inner flops */ |
972 | |
973 | inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_W4W4_F,outeriter*30 + inneriter*234)(nrnb)->n[eNR_NBKERNEL_ELEC_W4W4_F] += outeriter*30 + inneriter *234; |
974 | } |