* To help us fund GROMACS development, we humbly ask that you cite
* the research papers on the package. Check out http://www.gromacs.org.
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "gmxpre.h"
+
+#include "gromacs/legacyheaders/sim_util.h"
+
+#include "config.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
+
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
-#include "typedefs.h"
-#include "gromacs/utility/cstringutil.h"
-#include "names.h"
-#include "txtdump.h"
-#include "gromacs/pbcutil/pbc.h"
-#include "chargegroup.h"
-#include "gromacs/math/vec.h"
-#include "nrnb.h"
-#include "mdrun.h"
-#include "sim_util.h"
-#include "update.h"
-#include "gromacs/math/units.h"
-#include "mdatoms.h"
-#include "force.h"
-#include "bondf.h"
-#include "pme.h"
-#include "disre.h"
-#include "orires.h"
-#include "network.h"
-#include "calcmu.h"
-#include "constr.h"
-#include "copyrite.h"
-#include "domdec.h"
-#include "genborn.h"
-#include "nbnxn_atomdata.h"
-#include "nbnxn_search.h"
-#include "nbnxn_kernels/nbnxn_kernel_ref.h"
-#include "nbnxn_kernels/simd_4xn/nbnxn_kernel_simd_4xn.h"
-#include "nbnxn_kernels/simd_2xnn/nbnxn_kernel_simd_2xnn.h"
-#include "nbnxn_kernels/nbnxn_kernel_gpu_ref.h"
-#include "nonbonded.h"
-#include "../gmxlib/nonbonded/nb_kernel.h"
-#include "../gmxlib/nonbonded/nb_free_energy.h"
-
+#include "gromacs/bonded/bonded.h"
+#include "gromacs/essentialdynamics/edsam.h"
+#include "gromacs/gmxlib/nonbonded/nb_free_energy.h"
+#include "gromacs/gmxlib/nonbonded/nb_kernel.h"
+#include "gromacs/imd/imd.h"
+#include "gromacs/legacyheaders/calcmu.h"
+#include "gromacs/legacyheaders/chargegroup.h"
+#include "gromacs/legacyheaders/constr.h"
+#include "gromacs/legacyheaders/copyrite.h"
+#include "gromacs/legacyheaders/disre.h"
+#include "gromacs/legacyheaders/domdec.h"
+#include "gromacs/legacyheaders/force.h"
+#include "gromacs/legacyheaders/genborn.h"
+#include "gromacs/legacyheaders/gmx_omp_nthreads.h"
+#include "gromacs/legacyheaders/mdatoms.h"
+#include "gromacs/legacyheaders/mdrun.h"
+#include "gromacs/legacyheaders/names.h"
+#include "gromacs/legacyheaders/network.h"
+#include "gromacs/legacyheaders/nonbonded.h"
+#include "gromacs/legacyheaders/nrnb.h"
+#include "gromacs/legacyheaders/orires.h"
+#include "gromacs/legacyheaders/pme.h"
+#include "gromacs/legacyheaders/qmmm.h"
+#include "gromacs/legacyheaders/txtdump.h"
+#include "gromacs/legacyheaders/typedefs.h"
+#include "gromacs/legacyheaders/update.h"
#include "gromacs/legacyheaders/types/commrec.h"
+#include "gromacs/math/units.h"
+#include "gromacs/math/vec.h"
+#include "gromacs/mdlib/nb_verlet.h"
+#include "gromacs/mdlib/nbnxn_atomdata.h"
+#include "gromacs/mdlib/nbnxn_search.h"
+#include "gromacs/mdlib/nbnxn_cuda/nbnxn_cuda.h"
+#include "gromacs/mdlib/nbnxn_cuda/nbnxn_cuda_data_mgmt.h"
+#include "gromacs/mdlib/nbnxn_kernels/nbnxn_kernel_gpu_ref.h"
+#include "gromacs/mdlib/nbnxn_kernels/nbnxn_kernel_ref.h"
+#include "gromacs/mdlib/nbnxn_kernels/simd_2xnn/nbnxn_kernel_simd_2xnn.h"
+#include "gromacs/mdlib/nbnxn_kernels/simd_4xn/nbnxn_kernel_simd_4xn.h"
#include "gromacs/pbcutil/ishift.h"
#include "gromacs/pbcutil/mshift.h"
+#include "gromacs/pbcutil/pbc.h"
+#include "gromacs/pulling/pull.h"
+#include "gromacs/pulling/pull_rotation.h"
#include "gromacs/timing/wallcycle.h"
#include "gromacs/timing/walltime_accounting.h"
+#include "gromacs/utility/cstringutil.h"
#include "gromacs/utility/gmxmpi.h"
#include "gromacs/utility/smalloc.h"
-#include "gromacs/essentialdynamics/edsam.h"
-#include "gromacs/pulling/pull.h"
-#include "gromacs/pulling/pull_rotation.h"
-#include "gromacs/imd/imd.h"
-#include "adress.h"
-#include "qmmm.h"
-
-#include "gmx_omp_nthreads.h"
-#include "nbnxn_cuda_data_mgmt.h"
-#include "nbnxn_cuda/nbnxn_cuda.h"
+#include "adress.h"
void print_time(FILE *out,
gmx_walltime_accounting_t walltime_accounting,
time_string[i] = '\0';
}
- fprintf(fplog, "%s on node %d %s\n", title, nodeid, time_string);
+ fprintf(fplog, "%s on rank %d %s\n", title, nodeid, time_string);
}
void print_start(FILE *fplog, t_commrec *cr,
}
}
-static void posres_wrapper(FILE *fplog,
- int flags,
- gmx_bool bSepDVDL,
+static void posres_wrapper(int flags,
t_inputrec *ir,
t_nrnb *nrnb,
gmx_localtop_t *top,
ir->ePBC == epbcNONE ? NULL : &pbc,
lambda[efptRESTRAINT], &dvdl,
fr->rc_scaling, fr->ePBC, fr->posres_com, fr->posres_comB);
- if (bSepDVDL)
- {
- gmx_print_sepdvdl(fplog, interaction_function[F_POSRES].longname, v, dvdl);
- }
enerd->term[F_POSRES] += v;
/* If just the force constant changes, the FEP term is linear,
* but if k changes, it is not.
inc_nrnb(nrnb, eNR_FBPOSRES, top->idef.il[F_FBPOSRES].nr/2);
}
-static void pull_potential_wrapper(FILE *fplog,
- gmx_bool bSepDVDL,
- t_commrec *cr,
+static void pull_potential_wrapper(t_commrec *cr,
t_inputrec *ir,
matrix box, rvec x[],
rvec f[],
t_mdatoms *mdatoms,
gmx_enerdata_t *enerd,
real *lambda,
- double t)
+ double t,
+ gmx_wallcycle_t wcycle)
{
t_pbc pbc;
real dvdl;
* The virial contribution is calculated directly,
* which is why we call pull_potential after calc_virial.
*/
+ wallcycle_start(wcycle, ewcPULLPOT);
set_pbc(&pbc, ir->ePBC, box);
dvdl = 0;
enerd->term[F_COM_PULL] +=
pull_potential(ir->ePull, ir->pull, mdatoms, &pbc,
cr, t, lambda[efptRESTRAINT], x, f, vir_force, &dvdl);
- if (bSepDVDL)
- {
- gmx_print_sepdvdl(fplog, "Com pull", enerd->term[F_COM_PULL], dvdl);
- }
enerd->dvdl_lin[efptRESTRAINT] += dvdl;
+ wallcycle_stop(wcycle, ewcPULLPOT);
}
-static void pme_receive_force_ener(FILE *fplog,
- gmx_bool bSepDVDL,
- t_commrec *cr,
+static void pme_receive_force_ener(t_commrec *cr,
gmx_wallcycle_t wcycle,
gmx_enerdata_t *enerd,
t_forcerec *fr)
gmx_pme_receive_f(cr, fr->f_novirsum, fr->vir_el_recip, &e_q,
fr->vir_lj_recip, &e_lj, &dvdl_q, &dvdl_lj,
&cycles_seppme);
- if (bSepDVDL)
- {
- gmx_print_sepdvdl(fplog, "Electrostatic PME mesh", e_q, dvdl_q);
- gmx_print_sepdvdl(fplog, "Lennard-Jones PME mesh", e_lj, dvdl_lj);
- }
enerd->term[F_COUL_RECIP] += e_q;
enerd->term[F_LJ_RECIP] += e_lj;
enerd->dvdl_lin[efptCOUL] += dvdl_q;
wallcycle_sub_stop(wcycle, ewcsNONBONDED);
}
+gmx_bool use_GPU(const nonbonded_verlet_t *nbv)
+{
+ return nbv != NULL && nbv->bUseGPU;
+}
+
void do_force_cutsVERLET(FILE *fplog, t_commrec *cr,
t_inputrec *inputrec,
gmx_int64_t step, t_nrnb *nrnb, gmx_wallcycle_t wcycle,
int start, homenr;
int nb_kernel_type;
double mu[2*DIM];
- gmx_bool bSepDVDL, bStateChanged, bNS, bFillGrid, bCalcCGCM, bBS;
+ gmx_bool bStateChanged, bNS, bFillGrid, bCalcCGCM, bBS;
gmx_bool bDoLongRange, bDoForces, bSepLRF, bUseGPU, bUseOrEmulGPU;
gmx_bool bDiffKernels = FALSE;
matrix boxs;
start = 0;
homenr = mdatoms->homenr;
- bSepDVDL = (fr->bSepDVDL && do_per_step(step, inputrec->nstlog));
-
clear_mat(vir_force);
cg0 = 0;
if ((flags & GMX_FORCE_BONDED) && top->idef.il[F_POSRES].nr > 0)
{
- posres_wrapper(fplog, flags, bSepDVDL, inputrec, nrnb, top, box, x,
+ posres_wrapper(flags, inputrec, nrnb, top, box, x,
enerd, lambda, fr);
}
}
/* Compute the bonded and non-bonded energies and optionally forces */
- do_force_lowlevel(fplog, step, fr, inputrec, &(top->idef),
+ do_force_lowlevel(fr, inputrec, &(top->idef),
cr, nrnb, wcycle, mdatoms,
x, hist, f, bSepLRF ? fr->f_twin : f, enerd, fcd, top, fr->born,
- &(top->atomtypes), bBornRadii, box,
+ bBornRadii, box,
inputrec->fepvals, lambda, graph, &(top->excls), fr->mu_tot,
flags, &cycles_pme);
if (inputrec->ePull == epullUMBRELLA || inputrec->ePull == epullCONST_F)
{
- pull_potential_wrapper(fplog, bSepDVDL, cr, inputrec, box, x,
- f, vir_force, mdatoms, enerd, lambda, t);
+ /* Since the COM pulling is always done mass-weighted, no forces are
+ * applied to vsites and this call can be done after vsite spreading.
+ */
+ pull_potential_wrapper(cr, inputrec, box, x,
+ f, vir_force, mdatoms, enerd, lambda, t,
+ wcycle);
}
/* Add the forces from enforced rotation potentials (if any) */
/* In case of node-splitting, the PP nodes receive the long-range
* forces, virial and energy from the PME nodes here.
*/
- pme_receive_force_ener(fplog, bSepDVDL, cr, wcycle, enerd, fr);
+ pme_receive_force_ener(cr, wcycle, enerd, fr);
}
if (bDoForces)
int cg0, cg1, i, j;
int start, homenr;
double mu[2*DIM];
- gmx_bool bSepDVDL, bStateChanged, bNS, bFillGrid, bCalcCGCM, bBS;
+ gmx_bool bStateChanged, bNS, bFillGrid, bCalcCGCM, bBS;
gmx_bool bDoLongRangeNS, bDoForces, bDoPotential, bSepLRF;
gmx_bool bDoAdressWF;
matrix boxs;
start = 0;
homenr = mdatoms->homenr;
- bSepDVDL = (fr->bSepDVDL && do_per_step(step, inputrec->nstlog));
-
clear_mat(vir_force);
cg0 = 0;
if ((flags & GMX_FORCE_BONDED) && top->idef.il[F_POSRES].nr > 0)
{
- posres_wrapper(fplog, flags, bSepDVDL, inputrec, nrnb, top, box, x,
+ posres_wrapper(flags, inputrec, nrnb, top, box, x,
enerd, lambda, fr);
}
}
/* Compute the bonded and non-bonded energies and optionally forces */
- do_force_lowlevel(fplog, step, fr, inputrec, &(top->idef),
+ do_force_lowlevel(fr, inputrec, &(top->idef),
cr, nrnb, wcycle, mdatoms,
x, hist, f, bSepLRF ? fr->f_twin : f, enerd, fcd, top, fr->born,
- &(top->atomtypes), bBornRadii, box,
+ bBornRadii, box,
inputrec->fepvals, lambda,
graph, &(top->excls), fr->mu_tot,
flags,
if (inputrec->ePull == epullUMBRELLA || inputrec->ePull == epullCONST_F)
{
- pull_potential_wrapper(fplog, bSepDVDL, cr, inputrec, box, x,
- f, vir_force, mdatoms, enerd, lambda, t);
+ pull_potential_wrapper(cr, inputrec, box, x,
+ f, vir_force, mdatoms, enerd, lambda, t,
+ wcycle);
}
/* Add the forces from enforced rotation potentials (if any) */
/* In case of node-splitting, the PP nodes receive the long-range
* forces, virial and energy from the PME nodes here.
*/
- pme_receive_force_ener(fplog, bSepDVDL, cr, wcycle, enerd, fr);
+ pme_receive_force_ener(cr, wcycle, enerd, fr);
}
if (bDoForces)
/* constrain the current position */
constrain(NULL, TRUE, FALSE, constr, &(top->idef),
- ir, NULL, cr, step, 0, md,
+ ir, NULL, cr, step, 0, 1.0, md,
state->x, state->x, NULL,
fr->bMolPBC, state->box,
state->lambda[efptBONDED], &dvdl_dum,
/* also may be useful if we need the ekin from the halfstep for velocity verlet */
/* might not yet treat veta correctly */
constrain(NULL, TRUE, FALSE, constr, &(top->idef),
- ir, NULL, cr, step, 0, md,
+ ir, NULL, cr, step, 0, 1.0, md,
state->x, state->v, state->v,
fr->bMolPBC, state->box,
state->lambda[efptBONDED], &dvdl_dum,
}
dvdl_dum = 0;
constrain(NULL, TRUE, FALSE, constr, &(top->idef),
- ir, NULL, cr, step, -1, md,
+ ir, NULL, cr, step, -1, 1.0, md,
state->x, savex, NULL,
fr->bMolPBC, state->box,
state->lambda[efptBONDED], &dvdl_dum,
void calc_enervirdiff(FILE *fplog, int eDispCorr, t_forcerec *fr)
{
- double eners[2], virs[2], enersum, virsum, y0, f, g, h;
- double r0, r1, r, rc3, rc9, ea, eb, ec, pa, pb, pc, pd;
- double invscale, invscale2, invscale3;
- int ri0, ri1, ri, i, offstart, offset;
- real scale, *vdwtab, tabfactor, tmp;
+ double eners[2], virs[2], enersum, virsum, y0, f, g, h;
+ double r0, r1, r, rc3, rc9, ea, eb, ec, pa, pb, pc, pd;
+ double invscale, invscale2, invscale3;
+ int ri0, ri1, ri, i, offstart, offset;
+ real scale, *vdwtab, tabfactor, tmp;
fr->enershiftsix = 0;
fr->enershifttwelve = 0;
eners[i] = 0;
virs[i] = 0;
}
- if (fr->vdwtype == evdwSWITCH || fr->vdwtype == evdwSHIFT ||
- fr->vdw_modifier == eintmodPOTSWITCH ||
- fr->vdw_modifier == eintmodFORCESWITCH)
+ if ((fr->vdw_modifier == eintmodPOTSHIFT) ||
+ (fr->vdw_modifier == eintmodPOTSWITCH) ||
+ (fr->vdw_modifier == eintmodFORCESWITCH) ||
+ (fr->vdwtype == evdwSHIFT) ||
+ (fr->vdwtype == evdwSWITCH))
{
- if (fr->rvdw_switch == 0)
+ if (((fr->vdw_modifier == eintmodPOTSWITCH) ||
+ (fr->vdw_modifier == eintmodFORCESWITCH) ||
+ (fr->vdwtype == evdwSWITCH)) && fr->rvdw_switch == 0)
{
gmx_fatal(FARGS,
"With dispersion correction rvdw-switch can not be zero "
"for vdw-type = %s", evdw_names[fr->vdwtype]);
}
- scale = fr->nblists[0].table_elec_vdw.scale;
+ scale = fr->nblists[0].table_vdw.scale;
vdwtab = fr->nblists[0].table_vdw.data;
/* Round the cut-offs to exact table values for precision */
ri0 = floor(fr->rvdw_switch*scale);
ri1 = ceil(fr->rvdw*scale);
+
+ /* The code below has some support for handling force-switching, i.e.
+ * when the force (instead of potential) is switched over a limited
+ * region. This leads to a constant shift in the potential inside the
+ * switching region, which we can handle by adding a constant energy
+ * term in the force-switch case just like when we do potential-shift.
+ *
+ * For now this is not enabled, but to keep the functionality in the
+ * code we check separately for switch and shift. When we do force-switch
+ * the shifting point is rvdw_switch, while it is the cutoff when we
+ * have a classical potential-shift.
+ *
+ * For a pure potential-shift the potential has a constant shift
+ * all the way out to the cutoff, and that is it. For other forms
+ * we need to calculate the constant shift up to the point where we
+ * start modifying the potential.
+ */
+ ri0 = (fr->vdw_modifier == eintmodPOTSHIFT) ? ri1 : ri0;
+
r0 = ri0/scale;
r1 = ri1/scale;
rc3 = r0*r0*r0;
rc9 = rc3*rc3*rc3;
- if (fr->vdwtype == evdwSHIFT ||
- fr->vdw_modifier == eintmodFORCESWITCH)
+ if ((fr->vdw_modifier == eintmodFORCESWITCH) ||
+ (fr->vdwtype == evdwSHIFT))
{
/* Determine the constant energy shift below rvdw_switch.
* Table has a scale factor since we have scaled it down to compensate
fr->enershiftsix = (real)(-1.0/(rc3*rc3)) - 6.0*vdwtab[8*ri0];
fr->enershifttwelve = (real)( 1.0/(rc9*rc3)) - 12.0*vdwtab[8*ri0 + 4];
}
+ else if (fr->vdw_modifier == eintmodPOTSHIFT)
+ {
+ fr->enershiftsix = (real)(-1.0/(rc3*rc3));
+ fr->enershifttwelve = (real)( 1.0/(rc9*rc3));
+ }
+
/* Add the constant part from 0 to rvdw_switch.
* This integration from 0 to rvdw_switch overcounts the number
* of interactions by 1, as it also counts the self interaction.
*/
eners[0] += 4.0*M_PI*fr->enershiftsix*rc3/3.0;
eners[1] += 4.0*M_PI*fr->enershifttwelve*rc3/3.0;
+
+ /* Calculate the contribution in the range [r0,r1] where we
+ * modify the potential. For a pure potential-shift modifier we will
+ * have ri0==ri1, and there will not be any contribution here.
+ */
for (i = 0; i < 2; i++)
{
enersum = 0;
virs[i] -= virsum;
}
- /* now add the correction for rvdw_switch to infinity */
+ /* Alright: Above we compensated by REMOVING the parts outside r0
+ * corresponding to the ideal VdW 1/r6 and /r12 potentials.
+ *
+ * Regardless of whether r0 is the point where we start switching,
+ * or the cutoff where we calculated the constant shift, we include
+ * all the parts we are missing out to infinity from r0 by
+ * calculating the analytical dispersion correction.
+ */
eners[0] += -4.0*M_PI/(3.0*rc3);
eners[1] += 4.0*M_PI/(9.0*rc9);
virs[0] += 8.0*M_PI/rc3;
evdw_names[fr->vdwtype]);
}
- /* TODO: remove this code once we have group LJ-PME kernels
- * that calculate the exact, full LJ param C6/r^6 within the cut-off,
- * as the current nbnxn kernels do.
- */
+ /* When we deprecate the group kernels the code below can go too */
if (fr->vdwtype == evdwPME && fr->cutoff_scheme == ecutsGROUP)
{
/* Calculate self-interaction coefficient (assuming that
}
}
-void calc_dispcorr(FILE *fplog, t_inputrec *ir, t_forcerec *fr,
- gmx_int64_t step, int natoms,
+void calc_dispcorr(t_inputrec *ir, t_forcerec *fr,
+ int natoms,
matrix box, real lambda, tensor pres, tensor virial,
real *prescorr, real *enercorr, real *dvdlcorr)
{
}
}
- if (fr->bSepDVDL && do_per_step(step, ir->nstlog))
- {
- gmx_print_sepdvdl(fplog, "Dispersion correction", *enercorr, dvdlambda);
- }
if (fr->efep != efepNO)
{
*dvdlcorr += dvdlambda;
t_inputrec *inputrec,
t_nrnb nrnb[], gmx_wallcycle_t wcycle,
gmx_walltime_accounting_t walltime_accounting,
- wallclock_gpu_t *gputimes,
+ nonbonded_verlet_t *nbv,
gmx_bool bWriteStat)
{
int i, j;
if (SIMMASTER(cr))
{
+ wallclock_gpu_t* gputimes = use_GPU(nbv) ?
+ nbnxn_cuda_get_timings(nbv->cu_nbv) : NULL;
wallcycle_print(fplog, cr->nnodes, cr->npmenodes,
elapsed_time_over_all_ranks,
wcycle, gputimes);
int nfile, const t_filenm fnm[],
gmx_mdoutf_t *outf, t_mdebin **mdebin,
tensor force_vir, tensor shake_vir, rvec mu_tot,
- gmx_bool *bSimAnn, t_vcm **vcm, unsigned long Flags)
+ gmx_bool *bSimAnn, t_vcm **vcm, unsigned long Flags,
+ gmx_wallcycle_t wcycle)
{
int i, j, n;
real tmpt, mod;
{
please_cite(fplog, "Bussi2007a");
}
+ if (ir->eI == eiSD1)
+ {
+ please_cite(fplog, "Goga2012");
+ }
}
init_nrnb(nrnb);
if (nfile != -1)
{
- *outf = init_mdoutf(fplog, nfile, fnm, Flags, cr, ir, mtop, oenv);
+ *outf = init_mdoutf(fplog, nfile, fnm, Flags, cr, ir, mtop, oenv, wcycle);
*mdebin = init_mdebin((Flags & MD_APPENDFILES) ? NULL : mdoutf_get_fp_ene(*outf),
mtop, ir, mdoutf_get_fp_dhdl(*outf));