コード例 #1
0
ファイル: mdebin.c プロジェクト: chenleo/gromacs453pf
t_mdebin *init_mdebin(ener_file_t fp_ene,
                      const gmx_mtop_t *mtop,
                      const t_inputrec *ir,
                      FILE *fp_dhdl)
{
    const char *ener_nm[F_NRE];
    static const char *vir_nm[] = {
        "Vir-XX", "Vir-XY", "Vir-XZ",
        "Vir-YX", "Vir-YY", "Vir-YZ",
        "Vir-ZX", "Vir-ZY", "Vir-ZZ"
    };
    static const char *sv_nm[] = {
        "ShakeVir-XX", "ShakeVir-XY", "ShakeVir-XZ",
        "ShakeVir-YX", "ShakeVir-YY", "ShakeVir-YZ",
        "ShakeVir-ZX", "ShakeVir-ZY", "ShakeVir-ZZ"
    };
    static const char *fv_nm[] = {
        "ForceVir-XX", "ForceVir-XY", "ForceVir-XZ",
        "ForceVir-YX", "ForceVir-YY", "ForceVir-YZ",
        "ForceVir-ZX", "ForceVir-ZY", "ForceVir-ZZ"
    };
    static const char *pres_nm[] = {
        "Pres-XX","Pres-XY","Pres-XZ",
        "Pres-YX","Pres-YY","Pres-YZ",
        "Pres-ZX","Pres-ZY","Pres-ZZ"
    };
    static const char *surft_nm[] = {
        "#Surf*SurfTen"
    };
    static const char *mu_nm[] = {
        "Mu-X", "Mu-Y", "Mu-Z"
    };
    static const char *vcos_nm[] = {
        "2CosZ*Vel-X"
    };
    static const char *visc_nm[] = {
        "1/Viscosity"
    };
    static const char *baro_nm[] = {
        "Barostat"
    };

    char     **grpnms;
    const gmx_groups_t *groups;
    char     **gnm;
    char     buf[256];
    const char     *bufi;
    t_mdebin *md;
    int      i,j,ni,nj,n,nh,k,kk,ncon,nset;
    gmx_bool     bBHAM,bNoseHoover,b14;

    snew(md,1);

    if (EI_DYNAMICS(ir->eI))
    {
        md->delta_t = ir->delta_t;
    }
    else
    {
        md->delta_t = 0;
    }

    groups = &mtop->groups;

    bBHAM = (mtop->ffparams.functype[0] == F_BHAM);
    b14   = (gmx_mtop_ftype_count(mtop,F_LJ14) > 0 ||
             gmx_mtop_ftype_count(mtop,F_LJC14_Q) > 0);

    ncon = gmx_mtop_ftype_count(mtop,F_CONSTR);
    nset = gmx_mtop_ftype_count(mtop,F_SETTLE);
    md->bConstr    = (ncon > 0 || nset > 0);
    md->bConstrVir = FALSE;
    if (md->bConstr) {
        if (ncon > 0 && ir->eConstrAlg == econtLINCS) {
            if (ir->eI == eiSD2)
                md->nCrmsd = 2;
            else
                md->nCrmsd = 1;
        }
        md->bConstrVir = (getenv("GMX_CONSTRAINTVIR") != NULL);
    } else {
        md->nCrmsd = 0;
    }

    /* Energy monitoring */
    for(i=0;i<egNR;i++)
    {
        md->bEInd[i]=FALSE;
    }

#ifndef GMX_OPENMM
    for(i=0; i<F_NRE; i++)
    {
        md->bEner[i] = FALSE;
        if (i == F_LJ)
            md->bEner[i] = !bBHAM;
        else if (i == F_BHAM)
            md->bEner[i] = bBHAM;
        else if (i == F_EQM)
            md->bEner[i] = ir->bQMMM;
        else if (i == F_COUL_LR)
            md->bEner[i] = (ir->rcoulomb > ir->rlist);
        else if (i == F_LJ_LR)
            md->bEner[i] = (!bBHAM && ir->rvdw > ir->rlist);
        else if (i == F_BHAM_LR)
            md->bEner[i] = (bBHAM && ir->rvdw > ir->rlist);
        else if (i == F_RF_EXCL)
            md->bEner[i] = (EEL_RF(ir->coulombtype) && ir->coulombtype != eelRF_NEC);
        else if (i == F_COUL_RECIP)
            md->bEner[i] = EEL_FULL(ir->coulombtype);
        else if (i == F_LJ14)
            md->bEner[i] = b14;
        else if (i == F_COUL14)
            md->bEner[i] = b14;
        else if (i == F_LJC14_Q || i == F_LJC_PAIRS_NB)
            md->bEner[i] = FALSE;
        else if ((i == F_DVDL) || (i == F_DKDL))
            md->bEner[i] = (ir->efep != efepNO);
        else if (i == F_DHDL_CON)
            md->bEner[i] = (ir->efep != efepNO && md->bConstr);
        else if ((interaction_function[i].flags & IF_VSITE) ||
                 (i == F_CONSTR) || (i == F_CONSTRNC) || (i == F_SETTLE))
            md->bEner[i] = FALSE;
        else if ((i == F_COUL_SR) || (i == F_EPOT) || (i == F_PRES)  || (i==F_EQM))
            md->bEner[i] = TRUE;
        else if ((i == F_GBPOL) && ir->implicit_solvent==eisGBSA)
            md->bEner[i] = TRUE;
        else if ((i == F_NPSOLVATION) && ir->implicit_solvent==eisGBSA && (ir->sa_algorithm != esaNO))
            md->bEner[i] = TRUE;
        else if ((i == F_GB12) || (i == F_GB13) || (i == F_GB14))
            md->bEner[i] = FALSE;
        else if ((i == F_ETOT) || (i == F_EKIN) || (i == F_TEMP))
            md->bEner[i] = EI_DYNAMICS(ir->eI);
        else if (i==F_VTEMP) 
            md->bEner[i] =  (EI_DYNAMICS(ir->eI) && getenv("GMX_VIRIAL_TEMPERATURE"));
        else if (i == F_DISPCORR || i == F_PDISPCORR)
            md->bEner[i] = (ir->eDispCorr != edispcNO);
        else if (i == F_DISRESVIOL)
            md->bEner[i] = (gmx_mtop_ftype_count(mtop,F_DISRES) > 0);
        else if (i == F_ORIRESDEV)
            md->bEner[i] = (gmx_mtop_ftype_count(mtop,F_ORIRES) > 0);
        else if (i == F_CONNBONDS)
            md->bEner[i] = FALSE;
        else if (i == F_COM_PULL)
            md->bEner[i] = (ir->ePull == epullUMBRELLA || ir->ePull == epullCONST_F);
        else if (i == F_ECONSERVED)
            md->bEner[i] = ((ir->etc == etcNOSEHOOVER || ir->etc == etcVRESCALE) &&
                            (ir->epc == epcNO || ir->epc==epcMTTK));
        else
            md->bEner[i] = (gmx_mtop_ftype_count(mtop,i) > 0);
    }
#else
    /* OpenMM always produces only the following 4 energy terms */
    md->bEner[F_EPOT] = TRUE;
    md->bEner[F_EKIN] = TRUE;
    md->bEner[F_ETOT] = TRUE;
    md->bEner[F_TEMP] = TRUE;
#endif

    md->f_nre=0;
    for(i=0; i<F_NRE; i++)
    {
        if (md->bEner[i])
        {
            /* FIXME: The constness should not be cast away */
            /*ener_nm[f_nre]=(char *)interaction_function[i].longname;*/
            ener_nm[md->f_nre]=interaction_function[i].longname;
            md->f_nre++;
        }
    }

    md->epc = ir->epc;
    for (i=0;i<DIM;i++) 
    {
        for (j=0;j<DIM;j++) 
        {
            md->ref_p[i][j] = ir->ref_p[i][j];
        }
    }
    md->bTricl = TRICLINIC(ir->compress) || TRICLINIC(ir->deform);
    md->bDynBox = DYNAMIC_BOX(*ir);
    md->etc = ir->etc;
    md->bNHC_trotter = IR_NVT_TROTTER(ir);
    md->bMTTK = IR_NPT_TROTTER(ir);

    md->ebin  = mk_ebin();
    /* Pass NULL for unit to let get_ebin_space determine the units
     * for interaction_function[i].longname
     */
    md->ie    = get_ebin_space(md->ebin,md->f_nre,ener_nm,NULL);
    if (md->nCrmsd)
    {
        /* This should be called directly after the call for md->ie,
         * such that md->iconrmsd follows directly in the list.
         */
        md->iconrmsd = get_ebin_space(md->ebin,md->nCrmsd,conrmsd_nm,"");
    }
    if (md->bDynBox)
    {
        md->ib    = get_ebin_space(md->ebin, 
                                   md->bTricl ? NTRICLBOXS : NBOXS, 
                                   md->bTricl ? tricl_boxs_nm : boxs_nm,
                                   unit_length);
        md->ivol  = get_ebin_space(md->ebin, 1, vol_nm,  unit_volume);
        md->idens = get_ebin_space(md->ebin, 1, dens_nm, unit_density_SI);
        md->ipv   = get_ebin_space(md->ebin, 1, pv_nm,   unit_energy);
        md->ienthalpy = get_ebin_space(md->ebin, 1, enthalpy_nm,   unit_energy);
    }
    if (md->bConstrVir)
    {
        md->isvir = get_ebin_space(md->ebin,asize(sv_nm),sv_nm,unit_energy);
        md->ifvir = get_ebin_space(md->ebin,asize(fv_nm),fv_nm,unit_energy);
    }
    md->ivir   = get_ebin_space(md->ebin,asize(vir_nm),vir_nm,unit_energy);
    md->ipres  = get_ebin_space(md->ebin,asize(pres_nm),pres_nm,unit_pres_bar);
    md->isurft = get_ebin_space(md->ebin,asize(surft_nm),surft_nm,
                                unit_surft_bar);
    if (md->epc == epcPARRINELLORAHMAN || md->epc == epcMTTK)
    {
        md->ipc = get_ebin_space(md->ebin,md->bTricl ? 6 : 3,
                                 boxvel_nm,unit_vel);
    }
    md->imu    = get_ebin_space(md->ebin,asize(mu_nm),mu_nm,unit_dipole_D);
    if (ir->cos_accel != 0)
    {
        md->ivcos = get_ebin_space(md->ebin,asize(vcos_nm),vcos_nm,unit_vel);
        md->ivisc = get_ebin_space(md->ebin,asize(visc_nm),visc_nm,
                                   unit_invvisc_SI);
    }

    /* Energy monitoring */
    for(i=0;i<egNR;i++)
    {
        md->bEInd[i] = FALSE;
    }
    md->bEInd[egCOULSR] = TRUE;
    md->bEInd[egLJSR  ] = TRUE;

    if (ir->rcoulomb > ir->rlist)
    {
        md->bEInd[egCOULLR] = TRUE;
    }
    if (!bBHAM)
    {
        if (ir->rvdw > ir->rlist)
        {
            md->bEInd[egLJLR]   = TRUE;
        }
    }
    else
    {
        md->bEInd[egLJSR]   = FALSE;
        md->bEInd[egBHAMSR] = TRUE;
        if (ir->rvdw > ir->rlist)
        {
            md->bEInd[egBHAMLR]   = TRUE;
        }
    }
    if (b14)
    {
        md->bEInd[egLJ14] = TRUE;
        md->bEInd[egCOUL14] = TRUE;
    }
    md->nEc=0;
    for(i=0; (i<egNR); i++)
    {
        if (md->bEInd[i])
        {
            md->nEc++;
        }
    }

    n=groups->grps[egcENER].nr;
    md->nEg=n;
    md->nE=(n*(n+1))/2;
    snew(md->igrp,md->nE);
    if (md->nE > 1)
    {
        n=0;
        snew(gnm,md->nEc);
        for(k=0; (k<md->nEc); k++)
        {
            snew(gnm[k],STRLEN);
        }
        for(i=0; (i<groups->grps[egcENER].nr); i++)
        {
            ni=groups->grps[egcENER].nm_ind[i];
            for(j=i; (j<groups->grps[egcENER].nr); j++)
            {
                nj=groups->grps[egcENER].nm_ind[j];
                for(k=kk=0; (k<egNR); k++)
                {
                    if (md->bEInd[k])
                    {
                        sprintf(gnm[kk],"%s:%s-%s",egrp_nm[k],
                                *(groups->grpname[ni]),*(groups->grpname[nj]));
                        kk++;
                    }
                }
                md->igrp[n]=get_ebin_space(md->ebin,md->nEc,
                                           (const char **)gnm,unit_energy);
                n++;
            }
        }
        for(k=0; (k<md->nEc); k++)
        {
            sfree(gnm[k]);
        }
        sfree(gnm);

        if (n != md->nE)
        {
            gmx_incons("Number of energy terms wrong");
        }
    }

    md->nTC=groups->grps[egcTC].nr;
    md->nNHC = ir->opts.nhchainlength; /* shorthand for number of NH chains */ 
    if (md->bMTTK)
    {
        md->nTCP = 1;  /* assume only one possible coupling system for barostat 
                          for now */
    } 
    else 
    {
        md->nTCP = 0;
    }

    if (md->etc == etcNOSEHOOVER) {
        if (md->bNHC_trotter) { 
            md->mde_n = 2*md->nNHC*md->nTC;
        }
        else 
        {
            md->mde_n = 2*md->nTC;
        }
        if (md->epc == epcMTTK)
        {
            md->mdeb_n = 2*md->nNHC*md->nTCP;
        }
    } else { 
        md->mde_n = md->nTC;
        md->mdeb_n = 0;
    }

    snew(md->tmp_r,md->mde_n);
    snew(md->tmp_v,md->mde_n);
    snew(md->grpnms,md->mde_n);
    grpnms = md->grpnms;

    for(i=0; (i<md->nTC); i++)
    {
        ni=groups->grps[egcTC].nm_ind[i];
        sprintf(buf,"T-%s",*(groups->grpname[ni]));
        grpnms[i]=strdup(buf);
    }
    md->itemp=get_ebin_space(md->ebin,md->nTC,(const char **)grpnms,
                             unit_temp_K);

    bNoseHoover = (getenv("GMX_NOSEHOOVER_CHAINS") != NULL); /* whether to print Nose-Hoover chains */

    if (md->etc == etcNOSEHOOVER)
    {
        if (bNoseHoover) 
        {
            if (md->bNHC_trotter) 
            {
                for(i=0; (i<md->nTC); i++) 
                {
                    ni=groups->grps[egcTC].nm_ind[i];
                    bufi = *(groups->grpname[ni]);
                    for(j=0; (j<md->nNHC); j++) 
                    {
                        sprintf(buf,"Xi-%d-%s",j,bufi);
                        grpnms[2*(i*md->nNHC+j)]=strdup(buf);
                        sprintf(buf,"vXi-%d-%s",j,bufi);
                        grpnms[2*(i*md->nNHC+j)+1]=strdup(buf);
                    }
                }
                md->itc=get_ebin_space(md->ebin,md->mde_n,
                                       (const char **)grpnms,unit_invtime);
                if (md->bMTTK) 
                {
                    for(i=0; (i<md->nTCP); i++) 
                    {
                        bufi = baro_nm[0];  /* All barostat DOF's together for now. */
                        for(j=0; (j<md->nNHC); j++) 
                        {
                            sprintf(buf,"Xi-%d-%s",j,bufi);
                            grpnms[2*(i*md->nNHC+j)]=strdup(buf);
                            sprintf(buf,"vXi-%d-%s",j,bufi);
                            grpnms[2*(i*md->nNHC+j)+1]=strdup(buf);
                        }
                    }
                    md->itcb=get_ebin_space(md->ebin,md->mdeb_n,
                                            (const char **)grpnms,unit_invtime);
                }
            } 
            else
            {
                for(i=0; (i<md->nTC); i++) 
                {
                    ni=groups->grps[egcTC].nm_ind[i];
                    bufi = *(groups->grpname[ni]);
                    sprintf(buf,"Xi-%s",bufi);
                    grpnms[2*i]=strdup(buf);
                    sprintf(buf,"vXi-%s",bufi);
                    grpnms[2*i+1]=strdup(buf);
                }
                md->itc=get_ebin_space(md->ebin,md->mde_n,
                                       (const char **)grpnms,unit_invtime);
            }
        }
    }
    else if (md->etc == etcBERENDSEN || md->etc == etcYES || 
             md->etc == etcVRESCALE)
    {
        for(i=0; (i<md->nTC); i++)
        {
            ni=groups->grps[egcTC].nm_ind[i];
            sprintf(buf,"Lamb-%s",*(groups->grpname[ni]));
            grpnms[i]=strdup(buf);
        }
        md->itc=get_ebin_space(md->ebin,md->mde_n,(const char **)grpnms,"");
    }

    sfree(grpnms);


    md->nU=groups->grps[egcACC].nr;
    if (md->nU > 1)
    {
        snew(grpnms,3*md->nU);
        for(i=0; (i<md->nU); i++)
        {
            ni=groups->grps[egcACC].nm_ind[i];
            sprintf(buf,"Ux-%s",*(groups->grpname[ni]));
            grpnms[3*i+XX]=strdup(buf);
            sprintf(buf,"Uy-%s",*(groups->grpname[ni]));
            grpnms[3*i+YY]=strdup(buf);
            sprintf(buf,"Uz-%s",*(groups->grpname[ni]));
            grpnms[3*i+ZZ]=strdup(buf);
        }
        md->iu=get_ebin_space(md->ebin,3*md->nU,(const char **)grpnms,unit_vel);
        sfree(grpnms);
    }

    if ( fp_ene )
    {
        do_enxnms(fp_ene,&md->ebin->nener,&md->ebin->enm);
    }

    md->print_grpnms=NULL;

    /* check whether we're going to write dh histograms */
    md->dhc=NULL; 
    if (ir->separate_dhdl_file == sepdhdlfileNO )
    {
        int i;
        snew(md->dhc, 1);

        mde_delta_h_coll_init(md->dhc, ir);
        md->fp_dhdl = NULL;
    }
    else
    {
        md->fp_dhdl = fp_dhdl;
    }
    md->dhdl_derivatives = (ir->dhdl_derivatives==dhdlderivativesYES);
    return md;
}
コード例 #2
0
void do_force(FILE *fplog,t_commrec *cr,
	      t_inputrec *inputrec,
	      int step,t_nrnb *nrnb,gmx_wallcycle_t wcycle,
	      gmx_localtop_t *top,
	      gmx_groups_t *groups,
	      matrix box,rvec x[],history_t *hist,
	      rvec f[],rvec buf[],
	      tensor vir_force,
	      t_mdatoms *mdatoms,
	      gmx_enerdata_t *enerd,t_fcdata *fcd,
	      real lambda,t_graph *graph,
	      t_forcerec *fr,gmx_vsite_t *vsite,rvec mu_tot,
	      real t,FILE *field,gmx_edsam_t ed,
	      int flags)
{
  static rvec box_size;
  int    cg0,cg1,i,j;
  int    start,homenr;
  static double mu[2*DIM]; 
  rvec   mu_tot_AB[2];
  bool   bSepDVDL,bStateChanged,bNS,bFillGrid,bCalcCGCM,bBS,bDoForces;
  matrix boxs;
  real   e,v,dvdl;
  t_pbc  pbc;
  float  cycles_ppdpme,cycles_pme,cycles_force;
  
  start  = mdatoms->start;
  homenr = mdatoms->homenr;

  bSepDVDL = (fr->bSepDVDL && do_per_step(step,inputrec->nstlog));

  clear_mat(vir_force);
  
  if (PARTDECOMP(cr)) {
    pd_cg_range(cr,&cg0,&cg1);
  } else {
    cg0 = 0;
    if (DOMAINDECOMP(cr))
      cg1 = cr->dd->ncg_tot;
    else
      cg1 = top->cgs.nr;
    if (fr->n_tpi > 0)
      cg1--;
  }

  bStateChanged = (flags & GMX_FORCE_STATECHANGED);
  bNS           = (flags & GMX_FORCE_NS);
  bFillGrid     = (bNS && bStateChanged);
  bCalcCGCM     = (bFillGrid && !DOMAINDECOMP(cr));
  bDoForces     = (flags & GMX_FORCE_FORCES);

  if (bStateChanged) {
    update_forcerec(fplog,fr,box);
    
    /* Calculate total (local) dipole moment in a temporary common array. 
     * This makes it possible to sum them over nodes faster.
     */
    calc_mu(start,homenr,
	    x,mdatoms->chargeA,mdatoms->chargeB,mdatoms->nChargePerturbed,
	    mu,mu+DIM);
  }
  
  if (fr->ePBC != epbcNONE) { 
    /* Compute shift vectors every step,
     * because of pressure coupling or box deformation!
     */
    if (DYNAMIC_BOX(*inputrec) && bStateChanged)
      calc_shifts(box,fr->shift_vec);
    
    if (bCalcCGCM) { 
      put_charge_groups_in_box(fplog,cg0,cg1,fr->ePBC,box,
			       &(top->cgs),x,fr->cg_cm);
      inc_nrnb(nrnb,eNR_CGCM,homenr);
      inc_nrnb(nrnb,eNR_RESETX,cg1-cg0);
    } 
    else if (EI_ENERGY_MINIMIZATION(inputrec->eI) && graph) {
      unshift_self(graph,box,x);
    }
  } 
  else if (bCalcCGCM) {
    calc_cgcm(fplog,cg0,cg1,&(top->cgs),x,fr->cg_cm);
    inc_nrnb(nrnb,eNR_CGCM,homenr);
  }
  
  if (bCalcCGCM) {
    if (PAR(cr)) {
      move_cgcm(fplog,cr,fr->cg_cm);
    }
    if (gmx_debug_at)
      pr_rvecs(debug,0,"cgcm",fr->cg_cm,top->cgs.nr);
  }

#ifdef GMX_MPI
  if (!(cr->duty & DUTY_PME)) {
    /* Send particle coordinates to the pme nodes.
     * Since this is only implemented for domain decomposition
     * and domain decomposition does not use the graph,
     * we do not need to worry about shifting.
     */    

    wallcycle_start(wcycle,ewcPP_PMESENDX);
    GMX_MPE_LOG(ev_send_coordinates_start);

    bBS = (inputrec->nwall == 2);
    if (bBS) {
      copy_mat(box,boxs);
      svmul(inputrec->wall_ewald_zfac,boxs[ZZ],boxs[ZZ]);
    }

    gmx_pme_send_x(cr,bBS ? boxs : box,x,mdatoms->nChargePerturbed,lambda);

    GMX_MPE_LOG(ev_send_coordinates_finish);
    wallcycle_stop(wcycle,ewcPP_PMESENDX);
  }
#endif /* GMX_MPI */

  /* Communicate coordinates and sum dipole if necessary */
  if (PAR(cr)) {
    wallcycle_start(wcycle,ewcMOVEX);
    if (DOMAINDECOMP(cr)) {
      dd_move_x(cr->dd,box,x,buf);
    } else {
      move_x(fplog,cr,GMX_LEFT,GMX_RIGHT,x,nrnb);
    }
    /* When we don't need the total dipole we sum it in global_stat */
    if (NEED_MUTOT(*inputrec))
      gmx_sumd(2*DIM,mu,cr);
    wallcycle_stop(wcycle,ewcMOVEX);
  }
  for(i=0; i<2; i++)
    for(j=0;j<DIM;j++)
      mu_tot_AB[i][j] = mu[i*DIM + j];
  if (fr->efep == efepNO)
    copy_rvec(mu_tot_AB[0],mu_tot);
  else
    for(j=0; j<DIM; j++)
      mu_tot[j] = (1.0 - lambda)*mu_tot_AB[0][j] + lambda*mu_tot_AB[1][j];

  /* Reset energies */
  reset_energies(&(inputrec->opts),fr,bNS,enerd,MASTER(cr));    
  if (bNS) {
    wallcycle_start(wcycle,ewcNS);
    
    if (graph && bStateChanged)
      /* Calculate intramolecular shift vectors to make molecules whole */
      mk_mshift(fplog,graph,fr->ePBC,box,x);

    /* Reset long range forces if necessary */
    if (fr->bTwinRange) {
      clear_rvecs(fr->f_twin_n,fr->f_twin);
      clear_rvecs(SHIFTS,fr->fshift_twin);
    }
    /* Do the actual neighbour searching and if twin range electrostatics
     * also do the calculation of long range forces and energies.
     */
    dvdl = 0; 
    ns(fplog,fr,x,f,box,groups,&(inputrec->opts),top,mdatoms,
       cr,nrnb,step,lambda,&dvdl,&enerd->grpp,bFillGrid,bDoForces);
    if (bSepDVDL)
      fprintf(fplog,sepdvdlformat,"LR non-bonded",0,dvdl);
    enerd->dvdl_lr       = dvdl;
    enerd->term[F_DVDL] += dvdl;

    wallcycle_stop(wcycle,ewcNS);
  }
  
  if (DOMAINDECOMP(cr)) {
    if (!(cr->duty & DUTY_PME)) {
      wallcycle_start(wcycle,ewcPPDURINGPME);
      dd_force_flop_start(cr->dd,nrnb);
    }
  }
  /* Start the force cycle counter.
   * This counter is stopped in do_forcelow_level.
   * No parallel communication should occur while this counter is running,
   * since that will interfere with the dynamic load balancing.
   */
  wallcycle_start(wcycle,ewcFORCE);

  if (bDoForces) {
      /* Reset PME/Ewald forces if necessary */
    if (fr->bF_NoVirSum) 
    {
      GMX_BARRIER(cr->mpi_comm_mygroup);
      if (fr->bDomDec)
	clear_rvecs(fr->f_novirsum_n,fr->f_novirsum);
      else
	clear_rvecs(homenr,fr->f_novirsum+start);
      GMX_BARRIER(cr->mpi_comm_mygroup);
    }
    /* Copy long range forces into normal buffers */
    if (fr->bTwinRange) {
      for(i=0; i<fr->f_twin_n; i++)
	copy_rvec(fr->f_twin[i],f[i]);
      for(i=0; i<SHIFTS; i++)
	copy_rvec(fr->fshift_twin[i],fr->fshift[i]);
    } 
    else {
      if (DOMAINDECOMP(cr))
	clear_rvecs(cr->dd->nat_tot,f);
      else
	clear_rvecs(mdatoms->nr,f);
      clear_rvecs(SHIFTS,fr->fshift);
    }
    clear_rvec(fr->vir_diag_posres);
    GMX_BARRIER(cr->mpi_comm_mygroup);
  }
  if (inputrec->ePull == epullCONSTRAINT)
    clear_pull_forces(inputrec->pull);

  /* update QMMMrec, if necessary */
  if(fr->bQMMM)
    update_QMMMrec(cr,fr,x,mdatoms,box,top);

  if ((flags & GMX_FORCE_BONDED) && top->idef.il[F_POSRES].nr > 0) {
    /* Position restraints always require full pbc */
    set_pbc(&pbc,inputrec->ePBC,box);
    v = posres(top->idef.il[F_POSRES].nr,top->idef.il[F_POSRES].iatoms,
	       top->idef.iparams_posres,
	       (const rvec*)x,fr->f_novirsum,fr->vir_diag_posres,
	       inputrec->ePBC==epbcNONE ? NULL : &pbc,lambda,&dvdl,
	       fr->rc_scaling,fr->ePBC,fr->posres_com,fr->posres_comB);
    if (bSepDVDL) {
      fprintf(fplog,sepdvdlformat,
	      interaction_function[F_POSRES].longname,v,dvdl);
    }
    enerd->term[F_POSRES] += v;
    enerd->term[F_DVDL]   += dvdl;
    inc_nrnb(nrnb,eNR_POSRES,top->idef.il[F_POSRES].nr/2);
  }
  /* Compute the bonded and non-bonded forces */    
  do_force_lowlevel(fplog,step,fr,inputrec,&(top->idef),
		    cr,nrnb,wcycle,mdatoms,&(inputrec->opts),
		    x,hist,f,enerd,fcd,box,lambda,graph,&(top->excls),mu_tot_AB,
		    flags,&cycles_force);
  GMX_BARRIER(cr->mpi_comm_mygroup);

  if (ed) {
    do_flood(fplog,cr,x,f,ed,box,step);
  }
	
  if (DOMAINDECOMP(cr)) {
    dd_force_flop_stop(cr->dd,nrnb);
    if (wcycle)
      dd_cycles_add(cr->dd,cycles_force,ddCyclF);
  }
  
  if (bDoForces) {
    /* Compute forces due to electric field */
    calc_f_el(MASTER(cr) ? field : NULL,
	      start,homenr,mdatoms->chargeA,x,f,inputrec->ex,inputrec->et,t);
    
    /* When using PME/Ewald we compute the long range virial there.
     * otherwise we do it based on long range forces from twin range
     * cut-off based calculation (or not at all).
     */
    
    /* Communicate the forces */
    if (PAR(cr)) {
      wallcycle_start(wcycle,ewcMOVEF);
      if (DOMAINDECOMP(cr)) {
	dd_move_f(cr->dd,f,buf,fr->fshift);
	/* Position restraint do not introduce inter-cg forces */
	if (EEL_FULL(fr->eeltype) && cr->dd->n_intercg_excl)
	  dd_move_f(cr->dd,fr->f_novirsum,buf,NULL);
      } else {
	move_f(fplog,cr,GMX_LEFT,GMX_RIGHT,f,buf,nrnb);
      }
      wallcycle_stop(wcycle,ewcMOVEF);
    }
  }

  if (bDoForces) {
    if (vsite) {
      wallcycle_start(wcycle,ewcVSITESPREAD);
      spread_vsite_f(fplog,vsite,x,f,fr->fshift,nrnb,
		     &top->idef,fr->ePBC,fr->bMolPBC,graph,box,cr);
      wallcycle_stop(wcycle,ewcVSITESPREAD);
    }
    
    /* Calculation of the virial must be done after vsites! */
    calc_virial(fplog,mdatoms->start,mdatoms->homenr,x,f,
		vir_force,graph,box,nrnb,fr,inputrec->ePBC);
  }

  if (inputrec->ePull == epullUMBRELLA || inputrec->ePull == epullCONST_F) {
    /* Calculate the center of mass forces, this requires communication,
     * which is why pull_potential is called close to other communication.
     * The virial contribution is calculated directly,
     * which is why we call pull_potential after calc_virial.
     */
    set_pbc(&pbc,inputrec->ePBC,box);
    dvdl = 0; 
    enerd->term[F_COM_PULL] =
      pull_potential(inputrec->ePull,inputrec->pull,mdatoms,&pbc,
		     cr,t,lambda,x,f,vir_force,&dvdl);
    if (bSepDVDL)
      fprintf(fplog,sepdvdlformat,"Com pull",enerd->term[F_COM_PULL],dvdl);
    enerd->term[F_DVDL] += dvdl;
  }

  if (!(cr->duty & DUTY_PME)) {
    cycles_ppdpme = wallcycle_stop(wcycle,ewcPPDURINGPME);
    dd_cycles_add(cr->dd,cycles_ppdpme,ddCyclPPduringPME);
  }

#ifdef GMX_MPI
  if (PAR(cr) && !(cr->duty & DUTY_PME)) {
    /* In case of node-splitting, the PP nodes receive the long-range 
     * forces, virial and energy from the PME nodes here.
     */    
    wallcycle_start(wcycle,ewcPP_PMEWAITRECVF);
    dvdl = 0;
    gmx_pme_receive_f(cr,fr->f_novirsum,fr->vir_el_recip,&e,&dvdl,
		      &cycles_pme);
    if (bSepDVDL)
      fprintf(fplog,sepdvdlformat,"PME mesh",e,dvdl);
    enerd->term[F_COUL_RECIP] += e;
    enerd->term[F_DVDL] += dvdl;
    if (wcycle)
      dd_cycles_add(cr->dd,cycles_pme,ddCyclPME);
    wallcycle_stop(wcycle,ewcPP_PMEWAITRECVF);
  }
#endif

  if (bDoForces && fr->bF_NoVirSum) {
    if (vsite) {
      /* Spread the mesh force on virtual sites to the other particles... 
       * This is parallellized. MPI communication is performed
       * if the constructing atoms aren't local.
       */
      wallcycle_start(wcycle,ewcVSITESPREAD);
      spread_vsite_f(fplog,vsite,x,fr->f_novirsum,NULL,nrnb,
		     &top->idef,fr->ePBC,fr->bMolPBC,graph,box,cr);
      wallcycle_stop(wcycle,ewcVSITESPREAD);
    }
    /* Now add the forces, this is local */
    if (fr->bDomDec) {
      sum_forces(0,fr->f_novirsum_n,f,fr->f_novirsum);
    } else {
      sum_forces(start,start+homenr,f,fr->f_novirsum);
    }
    if (EEL_FULL(fr->eeltype)) {
      /* Add the mesh contribution to the virial */
      m_add(vir_force,fr->vir_el_recip,vir_force);
    }
    if (debug)
      pr_rvecs(debug,0,"vir_force",vir_force,DIM);
  }

  /* Sum the potential energy terms from group contributions */
  sum_epot(&(inputrec->opts),enerd);

  if (fr->print_force >= 0 && bDoForces)
    print_large_forces(stderr,mdatoms,cr,step,fr->print_force,x,f);
}
コード例 #3
0
ファイル: mdebin.c プロジェクト: BioinformaticsArchive/GromPy
t_mdebin *init_mdebin(int fp_ene,
		      const gmx_mtop_t *mtop,
		      const t_inputrec *ir)
{
  char *ener_nm[F_NRE];
  static char *vir_nm[] = {
    "Vir-XX", "Vir-XY", "Vir-XZ",
    "Vir-YX", "Vir-YY", "Vir-YZ",
    "Vir-ZX", "Vir-ZY", "Vir-ZZ"
  };
  static char *sv_nm[] = {
    "ShakeVir-XX", "ShakeVir-XY", "ShakeVir-XZ",
    "ShakeVir-YX", "ShakeVir-YY", "ShakeVir-YZ",
    "ShakeVir-ZX", "ShakeVir-ZY", "ShakeVir-ZZ"
  };
  static char *fv_nm[] = {
    "ForceVir-XX", "ForceVir-XY", "ForceVir-XZ",
    "ForceVir-YX", "ForceVir-YY", "ForceVir-YZ",
    "ForceVir-ZX", "ForceVir-ZY", "ForceVir-ZZ"
  };
  static char *pres_nm[] = {
    "Pres-XX (bar)","Pres-XY (bar)","Pres-XZ (bar)",
    "Pres-YX (bar)","Pres-YY (bar)","Pres-YZ (bar)",
    "Pres-ZX (bar)","Pres-ZY (bar)","Pres-ZZ (bar)"
  };
  static char *surft_nm[] = {
    "#Surf*SurfTen"
  };
  static char *mu_nm[] = {
    "Mu-X", "Mu-Y", "Mu-Z"
  };
  static char *vcos_nm[] = {
    "2CosZ*Vel-X"
  };
  static char *visc_nm[] = {
    "1/Viscosity (SI)"
  };
  static   char   **grpnms;
  const gmx_groups_t *groups;
  char     **gnm;
  char     buf[256];
  t_mdebin *md;
  int      i,j,ni,nj,n,k,kk,ncon,nset;
  bool     bBHAM,b14;
  
  f_nre  = 0; // otherwise, multiple calls to mdrunner_integrate are not possible!NnCrmsd; 
  groups = &mtop->groups;

  bBHAM = (mtop->ffparams.functype[0] == F_BHAM);
  b14   = (gmx_mtop_ftype_count(mtop,F_LJ14) > 0 ||
	   gmx_mtop_ftype_count(mtop,F_LJC14_Q) > 0);

  ncon = gmx_mtop_ftype_count(mtop,F_CONSTR);
  nset = gmx_mtop_ftype_count(mtop,F_SETTLE);
  bConstr    = (ncon > 0 || nset > 0);
  bConstrVir = FALSE;
  if (bConstr) {
    if (ncon > 0 && ir->eConstrAlg == econtLINCS) {
      if (ir->eI == eiSD2)
	nCrmsd = 2;
      else
	nCrmsd = 1;
    }
    bConstrVir = (getenv("GMX_CONSTRAINTVIR") != NULL);
  } else {
    nCrmsd = 0;
  }

  for(i=0; i<F_NRE; i++) {
    bEner[i] = FALSE;
    if (i == F_LJ)
      bEner[i] = !bBHAM;
    else if (i == F_BHAM)
      bEner[i] = bBHAM;
    else if (i == F_EQM)
      bEner[i] = ir->bQMMM;
    else if (i == F_COUL_LR)
      bEner[i] = (ir->rcoulomb > ir->rlist);
    else if (i == F_LJ_LR)
      bEner[i] = (!bBHAM && ir->rvdw > ir->rlist);
    else if (i == F_BHAM_LR)
      bEner[i] = (bBHAM && ir->rvdw > ir->rlist);
    else if (i == F_RF_EXCL)
      bEner[i] = (EEL_RF(ir->coulombtype) && ir->coulombtype != eelRF_NEC);
    else if (i == F_COUL_RECIP)
      bEner[i] = EEL_FULL(ir->coulombtype);
    else if (i == F_LJ14)
      bEner[i] = b14;
    else if (i == F_COUL14)
      bEner[i] = b14;
    else if (i == F_LJC14_Q || i == F_LJC_PAIRS_NB)
      bEner[i] = FALSE;
    else if ((i == F_DVDL) || (i == F_DKDL))
      bEner[i] = (ir->efep != efepNO);
    else if (i == F_DGDL_CON)
      bEner[i] = (ir->efep != efepNO && bConstr);
    else if ((interaction_function[i].flags & IF_VSITE) ||
	     (i == F_CONSTR) || (i == F_SETTLE))
      bEner[i] = FALSE;
    else if ((i == F_COUL_SR) || (i == F_EPOT) || (i == F_PRES)  || (i==F_EQM))
      bEner[i] = TRUE;
    else if ((i == F_ETOT) || (i == F_EKIN) || (i == F_TEMP))
      bEner[i] = EI_DYNAMICS(ir->eI);
    else if (i == F_DISPCORR)
      bEner[i] = (ir->eDispCorr != edispcNO);
    else if (i == F_DISRESVIOL)
      bEner[i] = (gmx_mtop_ftype_count(mtop,F_DISRES) > 0);
    else if (i == F_ORIRESDEV)
      bEner[i] = (gmx_mtop_ftype_count(mtop,F_ORIRES) > 0);
    else if (i == F_CONNBONDS)
      bEner[i] = FALSE;
    else if (i == F_COM_PULL)
      bEner[i] = (ir->ePull == epullUMBRELLA || ir->ePull == epullCONST_F);
    else if (i == F_ECONSERVED)
      bEner[i] = ((ir->etc == etcNOSEHOOVER || ir->etc == etcVRESCALE) &&
		  ir->epc == epcNO);
    else
      bEner[i] = (gmx_mtop_ftype_count(mtop,i) > 0);
  }

  for(i=0; i<F_NRE; i++)
    if (bEner[i]) {
      ener_nm[f_nre]=interaction_function[i].longname;
      f_nre++;
    }

  epc = ir->epc;
  bTricl = TRICLINIC(ir->compress) || TRICLINIC(ir->deform);
  bDynBox = DYNAMIC_BOX(*ir);
  etc = ir->etc;
  
  /* Energy monitoring */
  snew(md,1);
  md->ebin  = mk_ebin();
  md->ie    = get_ebin_space(md->ebin,f_nre,ener_nm);
  if (nCrmsd) {
    /* This should be called directly after the call for md->ie,
     * such that md->iconrmsd follows directly in the list.
     */
    md->iconrmsd = get_ebin_space(md->ebin,nCrmsd,conrmsd_nm);
  }
  if (bDynBox)
    md->ib    = get_ebin_space(md->ebin, bTricl ? NTRICLBOXS :
			       NBOXS, bTricl ? tricl_boxs_nm : boxs_nm);
  if (bConstrVir) {
    md->isvir = get_ebin_space(md->ebin,asize(sv_nm),sv_nm);
    md->ifvir = get_ebin_space(md->ebin,asize(fv_nm),fv_nm);
  }
  md->ivir   = get_ebin_space(md->ebin,asize(vir_nm),vir_nm);
  md->ipres  = get_ebin_space(md->ebin,asize(pres_nm),pres_nm);
  md->isurft = get_ebin_space(md->ebin,asize(surft_nm),surft_nm);
  if (epc == epcPARRINELLORAHMAN) {
    md->ipc  = get_ebin_space(md->ebin,bTricl ? 6 : 3,boxvel_nm);
  }
  md->imu    = get_ebin_space(md->ebin,asize(mu_nm),mu_nm);
  if (ir->cos_accel != 0) {
    md->ivcos = get_ebin_space(md->ebin,asize(vcos_nm),vcos_nm);
    md->ivisc = get_ebin_space(md->ebin,asize(visc_nm),visc_nm);
  }
  if (ir->rcoulomb > ir->rlist) 
    bEInd[egCOULLR] = TRUE;
  if (!bBHAM) {
    if (ir->rvdw > ir->rlist)
      bEInd[egLJLR]   = TRUE;
  } else {
    bEInd[egLJSR]   = FALSE;
    bEInd[egBHAMSR] = TRUE;
    if (ir->rvdw > ir->rlist)
      bEInd[egBHAMLR]   = TRUE;
  }
  if (b14) {
    bEInd[egLJ14] = TRUE;
    bEInd[egCOUL14] = TRUE;
  }
  md->nEc=0;
  for(i=0; (i<egNR); i++)
    if (bEInd[i])
      md->nEc++;
      
  n=groups->grps[egcENER].nr;
  md->nEg=n;
  md->nE=(n*(n+1))/2;
  snew(md->igrp,md->nE);
  if (md->nE > 1) {
    n=0;
    snew(gnm,md->nEc);
    for(k=0; (k<md->nEc); k++)
      snew(gnm[k],STRLEN);
    for(i=0; (i<groups->grps[egcENER].nr); i++) {
      ni=groups->grps[egcENER].nm_ind[i];
      for(j=i; (j<groups->grps[egcENER].nr); j++) {
	nj=groups->grps[egcENER].nm_ind[j];
	for(k=kk=0; (k<egNR); k++) {
	  if (bEInd[k]) {
	    sprintf(gnm[kk],"%s:%s-%s",egrp_nm[k],
		    *(groups->grpname[ni]),*(groups->grpname[nj]));
	    kk++;
	  }
	}
	md->igrp[n]=get_ebin_space(md->ebin,md->nEc,gnm);
	n++;
      }
    }
    for(k=0; (k<md->nEc); k++)
      sfree(gnm[k]);
    sfree(gnm);
    
    if (n != md->nE)
      gmx_incons("Number of energy terms wrong");
  }
  
  md->nTC=groups->grps[egcTC].nr;
  snew(grpnms,md->nTC);
  for(i=0; (i<md->nTC); i++) {
    ni=groups->grps[egcTC].nm_ind[i];
    sprintf(buf,"T-%s",*(groups->grpname[ni]));
    grpnms[i]=strdup(buf);
  }
  md->itemp=get_ebin_space(md->ebin,md->nTC,grpnms);
  sfree(*grpnms);
  if (etc == etcNOSEHOOVER) {
    for(i=0; (i<md->nTC); i++) {
      ni=groups->grps[egcTC].nm_ind[i];
      sprintf(buf,"Xi-%s",*(groups->grpname[ni]));
      grpnms[i]=strdup(buf);
    }
    md->itc=get_ebin_space(md->ebin,md->nTC,grpnms);
    sfree(*grpnms);
  } else  if (etc == etcBERENDSEN || etc == etcYES || etc == etcVRESCALE) {
    for(i=0; (i<md->nTC); i++) {
      ni=groups->grps[egcTC].nm_ind[i];
      sprintf(buf,"Lamb-%s",*(groups->grpname[ni]));
      grpnms[i]=strdup(buf);
    }
    md->itc=get_ebin_space(md->ebin,md->nTC,grpnms);
    sfree(*grpnms);
  }
  sfree(grpnms);
  
  md->nU=groups->grps[egcACC].nr;
  if (md->nU > 1) {
    snew(grpnms,3*md->nU);
    for(i=0; (i<md->nU); i++) {
      ni=groups->grps[egcACC].nm_ind[i];
      sprintf(buf,"Ux-%s",*(groups->grpname[ni]));
      grpnms[3*i+XX]=strdup(buf);
      sprintf(buf,"Uy-%s",*(groups->grpname[ni]));
      grpnms[3*i+YY]=strdup(buf);
      sprintf(buf,"Uz-%s",*(groups->grpname[ni]));
      grpnms[3*i+ZZ]=strdup(buf);
    }
    md->iu=get_ebin_space(md->ebin,3*md->nU,grpnms);
    sfree(*grpnms);
    sfree(grpnms);
  }

  if (fp_ene != -1)
    do_enxnms(fp_ene,&md->ebin->nener,&md->ebin->enm);
  
  return md;
}