Example #1
0
int main(int argc,char *argv[])
{
  int meascount;
  int prompt;
  Real avm_iters,avs_iters;
  
  double starttime,endtime,dclock();
  double dtime;
  
  int MinCG,MaxCG;
  Real RsdCG;
  
  register int i;
  register site *s;
  
  int spinindex,spin,color,j,k,t,t_off;
  int kh,kl;
  int nr_fb;
  char nr_fb_label[3][2] = { "0", "F", "B" };
  int flag;
  int kprop;
  int num_prop;
  Real space_vol;

  int status;

  propagator hdibar_prop[MAX_KAP][MAX_KAP][HDIPROPS];
  propagator nrbar_prop[MAX_KAP][MAX_KAP][NRPROPS];
  
  char scratch_file[MAX_KAP][MAXFILENAME];
  
  Real norm_fac[10];
  static char *mes_kind[10] = {"PION","PS505","PS055","PS0505",
			       "RHO33","RHO0303","SCALAR","SCALA0","PV35","B12"};

  complex *pmes_prop[MAX_KAP][MAX_KAP][10];
  int pmes_prop_done[MAX_KAP][MAX_KAP];

  w_prop_file *fp_in_w[MAX_KAP];  /* For reading binary propagator files */
  w_prop_file *fp_out_w[MAX_KAP]; /* For writing binary propagator files */
  w_prop_file *fp_scr[MAX_KAP];
  
  initialize_machine(&argc,&argv);
#ifdef HAVE_QDP
  QDP_initialize(&argc, &argv);
#endif
  /* Remap standard I/O */
  if(remap_stdio_from_args(argc, argv) == 1)terminate(1);
  
  g_sync();
  /* set up */
  prompt = setup_H_cl();
  

  /* loop over input sets */
  
  while( readin(prompt) == 0)
    {

      MaxCG = niter;
      starttime=dclock();

      avm_iters=0.0;
      meascount=0;
      
      /* Allocate space for relativistic meson propagator */
      for(num_prop=0;num_prop<10;num_prop++)
	for(i=0;i<num_kap;i++)for(j=0;j<=i;j++){
	  pmes_prop[i][j][num_prop] = (complex *)malloc(nt*sizeof(complex));
	  for(t=0;t<nt;t++){
	    pmes_prop[i][j][num_prop][t] = cmplx(0.0,0.0); 
	  }
	  pmes_prop_done[i][j] = 0;
	}

      /* Allocate space for non relativistic baryon propagators */
      for(kprop=0;kprop<NRPROPS;kprop++)
	for(i=0;i<num_kap;i++)for(j=0;j<num_kap;j++){
	  nrbar_prop[i][j][kprop].c
	    = (complex *)malloc(nt*sizeof(complex));
	  if(nrbar_prop[i][j][kprop].c == NULL)
	    {
	      printf("control_H_cl: Can't malloc nrbar prop %d %d %d\n",
		     i,j,kprop);
	      terminate(1);
	    }
	  for(t=0;t<nt;t++)nrbar_prop[i][j][kprop].c[t] 
	    = cmplx(0.0,0.0); 
	  nrbar_prop[i][j][kprop].label
	    = (char *)malloc(10*sizeof(char));
	  if(nrbar_prop[i][j][kprop].c == NULL)
	    {
	      printf("control_H_cl: Can't malloc nrbar prop label %d %d %d\n",
		     i,j,kprop);
	      terminate(1);
	    }
	}
      
      /* Allocate space for H-dibaryon channel propagators */
      for(kprop=0;kprop<HDIPROPS;kprop++)
	for(kh=0;kh<num_kap_heavy;kh++)for(kl=0;kl<num_kap_light;kl++){
	  /* kappa indexing scheme is consistent with baryon propagator
	     even though we compute only the propagators with
	     one heavy (s) quark and two light (u,d) quarks */
	  i = kh; j = kl + num_kap_heavy;
	  hdibar_prop[i][j][kprop].c
	    = (complex *)malloc(nt*sizeof(complex));
	  if(hdibar_prop[i][j][kprop].c == NULL)
	    {
	      printf("control_H_cl: Can't malloc baryon prop %d %d %d\n",
		     i,j,kprop);
	      terminate(1);
	    }
	  for(t=0;t<nt;t++)hdibar_prop[i][j][kprop].c[t] 
	    = cmplx(0.0,0.0); 
	  hdibar_prop[i][j][kprop].label
	    = (char *)malloc(10*sizeof(char));
	  if(hdibar_prop[i][j][kprop].label == NULL)
	    {
	      printf("control_H_cl: Can't malloc baryon prop label %d %d %d\n",
		     i,j,kprop);
	      terminate(1);
	    }
	}
      
      if( fixflag == COULOMB_GAUGE_FIX)
	{
	  if(this_node == 0) 
	    printf("Fixing to Coulomb gauge\n");
	  STARTIOTIME;
	  gaugefix(TUP,(Real)1.5,500,GAUGE_FIX_TOL);
	  STOPIOTIME("gauge fix");
	  invalidate_this_clov(gen_clov);
	}
      else
	if(this_node == 0)printf("COULOMB GAUGE FIXING SKIPPED.\n");
      
      /* save lattice if requested */
      if( saveflag != FORGET ){
	/* Note: beta, kappa are kept only for save_old_binary */
	STARTIOTIME;
	savelat_p = save_lattice( saveflag, savefile, stringLFN );
	STOPIOTIME("save lattice");
      }

      if(this_node==0)printf("END OF HEADER\n");
      
      /* Loop over all kappas to compute and store quark propagator */
      for(k=0;k<num_kap;k++){
	
	kappa = kap[k];
	source_r0=wqs[k].r0;
	RsdCG=resid[k];
	if(this_node==0)printf("Kappa=%e r0=%e residue=%e\n",
			       (double)kappa,(double)source_r0,(double)RsdCG);
	
	/* open file for kth wilson propagator */
	
	fp_in_w[k]  = r_open_wprop(startflag_w[k], startfile_w[k]);
	fp_out_w[k] = w_open_wprop(saveflag_w[k],  savefile_w[k],
				   wqs[k].type);
	
	/* Open scratch file and write header */
	sprintf(scratch_file[k],"%s_%02d",scratchstem_w,k);
	if(scratchflag == SAVE_CHECKPOINT)
	  {
	    fp_scr[k] = w_checkpoint_w_i(scratch_file[k]);
	    /* Close, temporarily */
	    w_checkpoint_w_c(fp_scr[k]);
	  }
	else
	  /* If serial, write header and leave it open */
	  fp_scr[k] = w_serial_w_i(scratch_file[k]);
	
	/* Loop over source colors */
	for(color=0;color<3;color++){
	  
	  for(spinindex=0;spinindex<n_spins;spinindex++){
	    spin = spins[spinindex];
	    
	    meascount ++;
	    if(this_node==0)printf("color=%d spin=%d\n",color,spin);

	    if(startflag_w[k] == CONTINUE)
	      {
		if(k == 0)
		  {
		    node0_printf("Can not continue propagator here! Zeroing it instead\n");
		    startflag_w[k] = FRESH;
		  }
		else
		  {
		    FORALLSITES(i,s)
		      copy_wvec(&(s->quark_propagator.c[color].d[spin]),
				&(s->psi));
		  }
	      }

	    /* Saves one multiplication by zero in cgilu */
	    if(startflag_w[k] == FRESH)flag = 0;
	    else 
	      flag = 1;      
	    
	    /* load psi if requested */
#ifdef IOTIME
	    status = reload_wprop_sc_to_site( startflag_w[k], fp_in_w[k], 
			       spin, color, F_OFFSET(psi),1);
#else
	    status = reload_wprop_sc_to_site( startflag_w[k], fp_in_w[k], 
			       spin, color, F_OFFSET(psi),0);
#endif	    
	    if(status != 0)
	      {
		node0_printf("control_H_cl: Recovering from error by resetting initial guess to zero\n");
		reload_wprop_sc_to_site( FRESH, fp_in_w[k], 
			       spin, color, F_OFFSET(psi),0);
		flag = 0;
	      }

	    
	    /* Invert to find propagator */

	    /* Complete the source structure */
	    wqs[k].color = color;
	    wqs[k].spin = spin;

	    /* For clover_info */
	    wqstmp = wqs[k];

	   /* If we are starting afresh, we set a minimum number
	      of iterations */
	   if(startflag_w[k] == FRESH || status != 0)MinCG = nt; 
	   else MinCG = 0;

	    /* Load inversion control structure */
	    qic.prec = PRECISION;
	    qic.min = MinCG;
	    qic.max = MaxCG;
	    qic.nrestart = nrestart;
	    qic.resid = RsdCG;
	    qic.start_flag = flag;
	    
	    /* Load Dirac matrix parameters */
	    dcp.Kappa = kappa;
	    dcp.Clov_c = clov_c;
	    dcp.U0 = u0;

#ifdef BI
	    /* compute the propagator.  Result in psi. */
	    avs_iters 
	      = (Real)wilson_invert_site_wqs(F_OFFSET(chi),F_OFFSET(psi),
					  w_source,&wqs[k],
					  bicgilu_cl_site,&qic,(void *)&dcp);
#else
	    /* compute the propagator.  Result in psi. */
	    avs_iters = 
	      (Real)wilson_invert_site_wqs(F_OFFSET(chi),F_OFFSET(psi),
					w_source,&wqs[k],
					cgilu_cl_site,&qic,(void *)&dcp);
#endif
	    avm_iters += avs_iters;
	    
	    FORALLSITES(i,s)
	      copy_wvec(&(s->psi),
			&(s->quark_propagator.c[color].d[spin]));
	    
	    STARTIOTIME;
	    /* Write psi to scratch disk */
	    if(scratchflag == SAVE_CHECKPOINT)
	      {
		w_checkpoint_w_o(fp_scr[k]);
		w_checkpoint_w(fp_scr[k],spin,color,F_OFFSET(psi));
		w_checkpoint_w_c(fp_scr[k]);
	      }
	    else
	      w_serial_w(fp_scr[k],spin,color,F_OFFSET(psi));
	    STOPIOTIME("do fast quark dump");
	    /* save psi if requested */
#ifdef IOTIME
	    save_wprop_sc_from_site( saveflag_w[k],fp_out_w[k],
			     spin,color,F_OFFSET(psi),1);
#else
	    save_wprop_sc_from_site( saveflag_w[k],fp_out_w[k],
			     spin,color,F_OFFSET(psi),0);
#endif
	  } /* source spins */
	} /* source colors */
	
	/* Close and release scratch file */
	if(scratchflag == SAVE_CHECKPOINT)
	  w_checkpoint_w_f(fp_scr[k]);
	else
	  w_serial_w_f(fp_scr[k]);

	if(this_node==0)printf("Saved binary wilson_vector in file  %s\n",
			       scratch_file[k]);
	
	/* close files for wilson propagators */
	r_close_wprop(startflag_w[k],fp_in_w[k]);
	w_close_wprop(saveflag_w[k],fp_out_w[k]);
	
      } /* kappas */
      
      
      /* Loop over choice forward - backward for NR source and sink */

      for(nr_fb = 1; nr_fb <= 2; nr_fb++)if(nr_fb & nr_forw_back)
	{
	  
	  /* Reset completion flags */
	    for(i=0;i<num_kap;i++)for(j=0;j<num_kap;j++){
	      for(kprop=0;kprop<NRPROPS;kprop++)
		nrbar_prop[i][j][kprop].done = 0;
	      for(kprop=0;kprop<HDIPROPS;kprop++)
		hdibar_prop[i][j][kprop].done = 0;
	    }

	  /* Loop over heavy kappas for the point sink spectrum */
	  for(k=0;k<num_kap_heavy;k++){
	    
	    /* Read the kth heavy kappa propagator from the scratch file */
	    kappa = kappa_heavy = kap[k];
	    if(scratchflag == SAVE_CHECKPOINT)
	      fp_scr[k] = r_parallel_w_i(scratch_file[k]);
	    else
	      fp_scr[k] = r_serial_w_i(scratch_file[k]);
	    
	    STARTIOTIME;
	    for(color=0;color<3;color++) for(spin=0;spin<4;spin++){
	      if(scratchflag == SAVE_CHECKPOINT)
		r_parallel_w(fp_scr[k], spin, color,
			     F_OFFSET(quark_propagator.c[color].d[spin])); 
	      else
		r_serial_w(fp_scr[k], spin, color,
			   F_OFFSET(quark_propagator.c[color].d[spin])); 
	    }
	    STOPIOTIME("to read 12 spin-color combinations");

	    if(scratchflag == SAVE_CHECKPOINT)
	      r_parallel_w_f(fp_scr[k]); 
	    else
	      r_serial_w_f(fp_scr[k]); 
	    
	    /* Convert to NR propagator */
	    
	    STARTPRTIME;
	    nr_propagator(F_OFFSET(quark_propagator),
			  F_OFFSET(nr_prop1), nr_fb);
	    diquarkprop(F_OFFSET(nr_prop1),
			F_OFFSET(diquark_prop1));
	    STOPPRTIME("make nr and diquark");
	    
	    /* Diagonal spectroscopy - not needed */
	    
/**	    w_nrbaryon(F_OFFSET(nr_prop1), F_OFFSET(nr_prop1),
		       F_OFFSET(diquark_prop1), nrbar_prop[k][k]); **/
	    
/**	    w_hdibaryon(F_OFFSET(diquark_prop1),
			F_OFFSET(diquark_prop1), hdibar_prop[k][k]); **/
	    
	    /* Heavy-light spectroscopy */
	    /* Loop over light kappas for the point sink spectrum */
	    for(j=num_kap_heavy;j<num_kap;j++){

	      /* Read the propagator from the scratch file */
	      kappa = kappa_light = kap[j];
	      if(scratchflag == SAVE_CHECKPOINT)
		fp_scr[j] = r_parallel_w_i(scratch_file[j]);
	      else
		fp_scr[j] = r_serial_w_i(scratch_file[j]);
	      
	      STARTIOTIME;
	      for(color=0;color<3;color++) for(spin=0;spin<4;spin++){
		if(scratchflag == SAVE_CHECKPOINT)
		  r_parallel_w(fp_scr[j], spin, color,
			       F_OFFSET(quark_prop2.c[color].d[spin])); 
		else
		  r_serial_w(fp_scr[j], spin, color,
			     F_OFFSET(quark_prop2.c[color].d[spin])); 
	      }
	      STOPIOTIME("do fast quark read");
	      if(scratchflag == SAVE_CHECKPOINT)
		r_parallel_w_f(fp_scr[j]);
	      else
		r_serial_w_f(fp_scr[j]);
	      
	      /* Convert to NR propagator */
	      
	      STARTPRTIME;
	      nr_propagator(F_OFFSET(quark_prop2),
			    F_OFFSET(nr_prop2),nr_fb);
	      diquarkprop(F_OFFSET(nr_prop2),
			  F_OFFSET(diquark_prop2));
	      STOPPRTIME("make nr and diquark propagators");
	      
	      /* Diagonal spectroscopy - baryons only - done if
		 any of them was not previously done */
	    
	      for(kprop=0;kprop<NRPROPS;kprop++)
		{
		  if(nrbar_prop[j][j][kprop].done == 0)
		    {
		      STARTPRTIME;
		      w_nrbaryon(F_OFFSET(nr_prop2), F_OFFSET(nr_prop2),
				 F_OFFSET(diquark_prop2), nrbar_prop[j][j]);
		      STOPPRTIME("do diagonal baryons");
		      break;
		    }
		}
	    
	      /* Heavy-light spectroscopy - baryons and H */

	      /* We don't do baryon heavy-light if the kappa values
		 are the same, since the result is the same as the
		 diagonal light propagator */
	      
	      if(kappa_heavy != kappa_light)
		{
		  /* Relativistic meson propagator: Do only once */		  
		  if(pmes_prop_done[j][k] == 0) {
		    STARTPRTIME;
		    for(color=0;color<3;color++){
		      w_meson_site(F_OFFSET(quark_propagator.c[color]),
			      F_OFFSET(quark_prop2.c[color]), pmes_prop[j][k]);
		    }
		    pmes_prop_done[j][k] = 1;
		    STOPPRTIME("do off-diagonal relativistic meson");
		  }

		  STARTPRTIME;
		  w_nrbaryon(F_OFFSET(nr_prop2),
			     F_OFFSET(nr_prop1),F_OFFSET(diquark_prop1),  
			     nrbar_prop[j][k]);
		  
		  w_nrbaryon(F_OFFSET(nr_prop1),
			     F_OFFSET(nr_prop2),F_OFFSET(diquark_prop2),  
			     nrbar_prop[k][j]);
		  STOPPRTIME("do two sets of hl baryons");
		}
	      
	      /* For H we do only the case prop2 = u (light) index j
		 and prop1 = s (heavy) index k */

	      STARTPRTIME;
	      w_hdibaryon(F_OFFSET(diquark_prop2),
			  F_OFFSET(diquark_prop1), hdibar_prop[k][j]);
	      STOPPRTIME("do one set of hl H dibaryons");
	      
	    } /* light kappas */
	  } /* heavy kappas */

	  /* Stick with same convention as clover_invert/control_cl_hl.c */
	  space_vol = (Real)(nx*ny*nz);
	  for(num_prop=0;num_prop<10;num_prop++) norm_fac[num_prop] = space_vol;
	  norm_fac[4] *= 3.0;
	  norm_fac[5] *= 3.0;
	  norm_fac[8] *= 3.0;
	  norm_fac[9] *= 3.0;

	  /* print relativistic meson propagators */
	  for(num_prop=0;num_prop<10;num_prop++)
	    for(i=0;i<num_kap;i++)
	      for(j=0;j<=i;j++)
		if(pmes_prop_done[i][j] == 1){
		  for(t = 0; t < nt; t++){
		    t_off = (t + source_time)%nt;
		    g_floatsum( &pmes_prop[i][j][num_prop][t_off].real );
		    pmes_prop[i][j][num_prop][t_off].real  /= norm_fac[num_prop];
		    g_floatsum( &pmes_prop[i][j][num_prop][t_off].imag );
		    pmes_prop[i][j][num_prop][t_off].imag  /= norm_fac[num_prop];
		    if(this_node == 0)
		      printf("POINT%s %d %d %d  %e %e\n",
			     mes_kind[num_prop],i,j,t,
			     (double)pmes_prop[i][j][num_prop][t_off].real,
			     (double)pmes_prop[i][j][num_prop][t_off].imag);
		  }
		}

	  /* Once printed, this propagator should be neither
             calculated nor printed again */
	  for(i=0;i<num_kap;i++)
	    for(j=0;j<=i;j++)
	      if(pmes_prop_done[i][j] == 1)
		pmes_prop_done[i][j] = 2;
	  

	  /* print non-relativistic baryon propagators */
	  if(this_node == 0)
	    for(kprop=0;kprop<NRPROPS;kprop++)
	      for(i=0;i<num_kap;i++){
		for(j=0;j<i;j++)
		  if(nrbar_prop[i][j][kprop].done==1){
		    for(t = 0; t < nt; t++){
		      t_off = (t + source_time)%nt;
		      /* Periodic boundary conditions - no wraparound sign */
		      printf("%s_NR%s %d %d %d %d  %e %e\n",
			     nr_fb_label[nr_fb],
			     nrbar_prop[i][j][kprop].label,i,j,j,t,
			     (double)nrbar_prop[i][j][kprop].c[t_off].real,
			     (double)nrbar_prop[i][j][kprop].c[t_off].imag);
		    }
		  }
		
		if(nrbar_prop[i][i][kprop].done==1)
		  for(t = 0; t < nt; t++){
		    t_off = (t + source_time)%nt;
		    printf("%s_NR%s %d %d %d %d  %e %e\n",
			   nr_fb_label[nr_fb],
			   nrbar_prop[i][j][kprop].label,i,i,i,t,
			   (double)nrbar_prop[i][i][kprop].c[t_off].real,
			   (double)nrbar_prop[i][i][kprop].c[t_off].imag);
		  }
		
		for(j=i+1;j<num_kap;j++)
		  if(nrbar_prop[i][j][kprop].done==1)
		    for(t = 0; t < nt; t++){
		      t_off = (t + source_time)%nt;
		      printf("%s_NR%s %d %d %d %d  %e %e\n",
			     nr_fb_label[nr_fb],
			     nrbar_prop[i][j][kprop].label,j,j,i,t,
			     (double)nrbar_prop[i][j][kprop].c[t_off].real,
			     (double)nrbar_prop[i][j][kprop].c[t_off].imag);
		    }
	      }

	  
	  /* print H-dibaryon mixed channel propagators */
	  if(this_node == 0)
	    for(kprop=0;kprop<HDIPROPS;kprop++)
	      for(i=0;i<num_kap;i++){
		for(j=0;j<num_kap;j++)if(hdibar_prop[i][j][kprop].done==1){
		  for(t = 0; t < nt; t++){
		    t_off = (t + source_time)%nt;
		    printf("%s_%s %d %d %d %d %e %e\n",
			   nr_fb_label[nr_fb],
			   hdibar_prop[i][j][kprop].label,i,j,j,t,
			   (double)hdibar_prop[i][j][kprop].c[t_off].real,
			   (double)hdibar_prop[i][j][kprop].c[t_off].imag);
		  }
		}
	      }
	} /* Loop over nr forward - backward */

      /* Cleanup */
      for(kprop=0;kprop<NRPROPS;kprop++)
	for(i=0;i<num_kap;i++)for(j=0;j<num_kap;j++){
	  free(nrbar_prop[i][j][kprop].c);
	  free(nrbar_prop[i][j][kprop].label);
	}
      
      for(kprop=0;kprop<HDIPROPS;kprop++)
	for(kh=0;kh<num_kap_heavy;kh++)for(kl=0;kl<num_kap_light;kl++){
	  i = kh; j = kl + num_kap_heavy;
	  free(hdibar_prop[i][j][kprop].c);
	  free(hdibar_prop[i][j][kprop].label);
	}
      
      if(this_node==0)printf("RUNNING COMPLETED\n");
      if(meascount>0){
	if(this_node==0)printf("total cg iters for measurement= %e\n",
			       (double)avm_iters);
	if(this_node==0)printf("cg iters for measurement= %e\n",
			       (double)avm_iters/(double)meascount);
      }
      
      endtime=dclock();
      if(this_node==0){
	printf("Time = %e seconds\n",(double)(endtime-starttime));
	printf("total_iters = %d\n",total_iters);
      }
      fflush(stdout);
      
    }
    return 0;
} /* control_H_cl */
void load_in_spectator(int color, int spin, int k_spectator,
		       field_offset dest)
{
  int MinCG;
  int restart_flag_spectator ; 

  w_prop_file *spectator_fp_in ; /*** Quark propagator IO stuff **/
    
  node0_printf("Loading spectator kappa = %f\n",
	       kappa_spectator[k_spectator]);
  fflush(stdout);
  
  if( startflag_spectator[k_spectator] == FRESH )
    restart_flag_spectator = 0 ;
  else
    restart_flag_spectator = 1 ;   
  
  
  /*** open the spectator light quark file *****/
  kappa = kappa_spectator[k_spectator] ;
  
  spectator_fp_in = r_open_wprop(startflag_spectator[k_spectator], 
				qfile_spectator[k_spectator]);
  /*** Load in the spectator quark propagator ****/
  if(reload_wprop_sc_to_site(startflag_spectator[k_spectator],
		       spectator_fp_in, spin, color, dest, 1)!=0)
    terminate(1);
  
  /**** check the wilson vector loaded in, 
	by using it as a new solution to the inverter *****/
  /* Complete the definition of source structure */
  wqs_spectator[k_spectator].color = color;
  wqs_spectator[k_spectator].spin = spin;
  
  kappa = kappa_spectator[k_spectator] ;
  
  /* If we are starting afresh, we set a minimum number
     of iterations */
  if(startflag_spectator[k_spectator] == FRESH)MinCG = nt; 
  else MinCG = 0;
  
  /* Load inversion control structure */
  qic_spectator.prec = PRECISION;
  qic_spectator.min = MinCG;
  qic_spectator.max = niter_spectator;
  qic_spectator.nrestart = nrestart_spectator;
  qic_spectator.resid = resid_spectator;
  qic_spectator.start_flag = restart_flag_spectator;
  
#ifdef CLOVER
  /* Load Dirac matrix parameters */
  dcp.Kappa = kappa_spectator[k_spectator];
  dcp.Clov_c = clov_c;
  dcp.U0 = u0;
  
  wilson_invert_site_wqs(F_OFFSET(chi), dest,
		     w_source,&wqs_spectator[k_spectator],
		     bicgilu_cl_site,&qic_spectator,(void *)&dcp);
  
#else
  /* Load Dirac matrix parameters */
  dwp.Kappa = kappa_spectator[k_spectator];
  
  wilson_invert_site_wqs(F_OFFSET(chi), dest,
		     w_source,&wqs_spectator[k_spectator],
		     mrilu_w_site,&qic_spectator,(void *)&dwp);
#endif

  /*** close the spectator light quark file *****/
  r_close_wprop(startflag_spectator[k_spectator],spectator_fp_in);
      
  
}  /***** end of load_in_spectator  ******/
void load_in_zonked_light(int color, int k_zonked_light)
{
  int spin ; 
  int restart_flag_zonked_light ; 
  int MinCG;
  w_prop_file *zonked_fp_in ; /*** Quark propagator IO stuff **/

  /************************************************************/

      
  /*** load in the zonked quark propagator ********/
  kappa = kappa_zonked_light[k_zonked_light] ;
  
  /** open the light quark zonked propagator ***/
  
  zonked_fp_in = r_open_wprop(startflag_zonked_light[ k_zonked_light ],
			     qfile_zonked_light[ k_zonked_light ]);

  node0_printf("Loading from %s\n",qfile_zonked_light[ k_zonked_light ]);

  for(spin = 0 ; spin < 4 ; ++spin )
  {
    /*** load the light zonked quark propagagor from disk ***/
    if(reload_wprop_sc_to_site( startflag_zonked_light[k_zonked_light],
			 zonked_fp_in, spin, color, 
			 F_OFFSET(quark_zonked.d[spin]), 1)!=0)
      terminate(1);
    
    /**** check the wilson vector loaded in , by using it
      as a new solution to the inverter *****/
    /* Complete the definition of source structure */
    wqs_zonked_light[k_zonked_light].color = color;
    wqs_zonked_light[k_zonked_light].spin = spin;

    /* For clover_info if we ever use it */
    wqstmp = wqs_zonked_light[k_zonked_light];
    
    /* If we are starting afresh, we set a minimum number
       of iterations */
    if(startflag_zonked_light[k_zonked_light] == FRESH)MinCG = nt; 
    else MinCG = 0;

    /* Load inversion control structure */
    qic_zonked_light.prec = PRECISION;
    qic_zonked_light.min = MinCG;
    qic_zonked_light.max = niter_zonked_light;
    qic_zonked_light.nrestart = nrestart_zonked_light;
    qic_zonked_light.resid = resid_zonked_light;
    qic_zonked_light.start_flag = startflag_zonked_light[k_zonked_light];

#ifdef CLOVER
    /* Load Dirac matrix parameters */
    dcp.Kappa = kappa_zonked_light[k_zonked_light];
    dcp.Clov_c = clov_c;
    dcp.U0 = u0;

    wilson_invert_site_wqs(F_OFFSET(chi), F_OFFSET(quark_zonked.d[spin]),
		       w_source,&wqs_zonked_light[k_zonked_light],
		       bicgilu_cl_site,&qic_zonked_light,(void *)&dcp);
#else
    /* Load Dirac matrix parameters */
    dwp.Kappa = kappa_zonked_light[k_zonked_light];

    wilson_invert_site_wqs(F_OFFSET(chi), F_OFFSET(quark_zonked.d[spin]),
		       w_source,&wqs_zonked_light[k_zonked_light],
		       mrilu_w_site,&qic_zonked_light,(void *)&dwp);

#endif

  } /*** end the loop over the source spin ****/

  /** close light quark zonked propagator ***/
  r_close_wprop(startflag_zonked_light[ k_zonked_light ], zonked_fp_in);
	


}  /***** end of load_in_zonked_light  ******/
Example #4
0
int main(int argc, char **argv)
{
  int meascount[MAX_NKAP];
  int prompt, count1, count2;
  Real avm_iters[MAX_NKAP];
  double starttime, endtime;

  int MaxMR, restart_flag;
  Real RsdMR;		/******/

  int spin, color, nk;		/******/
  int max_prop;

  int cl_cg = CL_CG;
  double ssplaq, stplaq;


  FILE *fp_m_out = NULL;  /*** meson IO stuff **/
  int fb_m_out = 0;	   /*** meson IO stuff **/

  w_prop_file *fp_in_w[MAX_NKAP];        /* For propagator files */
  w_prop_file *fp_out_w[MAX_NKAP];       /* For propagator files */
  
  double g_time ; 

  int i ;
  int MinMR;
  
/*** variables required for the static variational code ***/
  int nodata = 0 ;
  complex *meson = NULL;

/****** start of the execution of the code ************/


  initialize_machine(&argc, &argv);

  /* Remap standard I/O */
  if(remap_stdio_from_args(argc, argv) == 1)terminate(1);

  g_sync();

  /* set up */
  prompt = setup_h();

  /**DEBUG***/  
#ifdef DEBUGDEF
  light_quark_pion(0) ;
#endif

    /* loop over input sets */
  while( readin(prompt) == 0)
  {

    if( fixflag == COULOMB_GAUGE_FIX)
    {
      if(this_node == 0) 
	printf("Fixing to Coulomb gauge\n");
      g_time = -dclock();

      gaugefix(TUP,(Real)1.5,500,GAUGE_FIX_TOL);

      g_time += dclock();
      if(this_node==0)printf("Time to gauge fix = %e\n",g_time);
      invalidate_this_clov(gen_clov);
      
    }
    else
      if(this_node == 0)printf("COULOMB GAUGE FIXING SKIPPED.\n");

    /* save lattice if requested */
    if( saveflag != FORGET )
    {
      save_lattice( saveflag, savefile, stringLFN );
    }


    /* call plaquette measuring process */
    d_plaquette(&ssplaq, &stplaq);
    if (this_node == 0)
      printf("START %e %e\n",(double) ssplaq, (double) stplaq);


    /******* set up code for the static variational calculation *****/
    if( nkap == 1 )
    {
      nodata = nt*nosmear*144 ;
      /** reserve memory for the smeared meson correlators on each node ****/
      if( ( meson = (complex *) calloc( (size_t) nodata, sizeof(complex) )  ) == NULL )
      {
	printf("ERROR: could not reserve buffer space for the meson smearing functions\n");
	terminate(1);
      }
      
      /** call a number of set up routines for the static variational code ***/
      setup_vary(meson, nodata);
      
    }  /*** end of set up section for the static-variational calculation ***/

    /***DEBUG check_calc_matrix() ;   ****/  


    starttime=dclock();



    MaxMR = niter;
    RsdMR = (Real) sqrt((double) rsqprop);

    if (this_node == 0)
      printf("Residue=%e\n",(double) RsdMR);
	     

    for (nk = 0; nk < nkap; nk++)
    {
      avm_iters[nk] = 0.0;
      meascount[nk] = 0;
    }
    max_prop = 12;
    count1 = 0;
    count2 = 0;


    for (spin = start_spin; spin < 4; spin++)
    {

      for (color = 0; color < 3; color++)
      {

	count1++;
	if (count1 == 1)
	  color += start_color;

	for (nk = 0; nk < nkap; nk++)
	{

	  count2++;
	  if (count2 == 1)
	    nk += start_kap;


	  kappa = cappa[nk];

	  meascount[nk]++;

	  /* open file for wilson propagators */
	  fp_in_w[nk]  = r_open_wprop(startflag_w[nk], startfile_w[nk]);

	  if ((spin + color) == 0)
	  {
	    /*** first pass of the code  **/
	    fp_out_w[nk] = w_open_wprop(saveflag_w[nk],  savefile_w[nk],
					wqs.type);

	    /* open file for meson output and write the header */
	    if (saveflag_m == SAVE_MESON_ASCII)
	    {
	      fp_m_out = w_ascii_m_i(savefile_m[nk], max_prop);
	      fb_m_out = -1;	/* i.e. file is NOT binary */
	    }
	    else if (saveflag_m == SAVE_MESON_BINARY)
	    {
	      fb_m_out = w_binary_m_i(savefile_m[nk], max_prop);
	      fp_m_out = NULL;	/* i.e. file is NOT ascii */
	    }
	    else
	    {
	      if( this_node == 0 ) 
		printf("ERROR in main saveflag_m = %d is out of range in initial opening\n",saveflag_m)  ;
	      terminate(1); 
	    }


	  } /*** end of spin =0 && color == 0 **/
	  else
	  {
	    fp_out_w[nk] = w_open_wprop(saveflag_w[nk],  savefile_w[nk],
					wqs.type);

	    /* open file for meson output for appending output*/
	    if (saveflag_m == SAVE_MESON_ASCII)
	    {
	      fp_m_out = a_ascii_m_i(savefile_m[nk], max_prop);
	      fb_m_out = -1;	/* i.e. file is NOT binary */
	    }
	    if (saveflag_m == SAVE_MESON_BINARY)
	    {
	      fb_m_out = a_binary_m_i(savefile_m[nk], max_prop);
	      fp_m_out = NULL;	/* i.e. file is NOT ascii */
	    }
	    else
	    {
	      if( this_node == 0 ) 
		printf("ERROR in main saveflag_m = %d is out of range in appending opening\n",saveflag_m)  ;
	      terminate(1); 
	    }



	  }  /*** end of spin && color not equal to zero ***/


	  if (this_node == 0)
	    printf("color=%d spin=%d kappa=%f nk=%d\n", color, spin, (double) kappa, nk);

	  /* load psi if requested */
	  init_qs(&wqstmp2);
	  reload_wprop_sc_to_site(startflag_w[nk], fp_in_w[nk],&wqstmp2,
			    spin, color, F_OFFSET(psi),1);

	  if (nk == 0 || count2 == 1)
	    restart_flag = flag;
	  else
	    restart_flag = 1;

	  
	  /* Conjugate gradient inversion uses site structure
	     temporary"chi" */
	  
	  
	  /* Complete the source structure */
	  wqs.color = color;
	  wqs.spin = spin;
	  wqs.parity = EVENANDODD;
	  
	  /* For wilson_info */
	  wqstmp = wqs;
	  
	  /* If we are starting fresh, we want to set a mininum number of
	     iterations */
	  if(startflag_w[nk] == FRESH)MinMR = nt/2; else MinMR = 0;

	  /* Load inversion control structure */
	  qic.prec = PRECISION;
	  qic.min = MinMR;
	  qic.max = MaxMR;
	  qic.nrestart = nrestart;
	  qic.parity = EVENANDODD;
	  qic.start_flag = restart_flag;
	  qic.nsrc = 1;
	  qic.resid = RsdMR;
	  qic.relresid = 0;
	    
	  /* Load Dirac matrix parameters */
	  dwp.Kappa = kappa;
	  
	  switch (cl_cg) {
	  case CG:
	    /* Load temporaries specific to inverter */
	    
	    /* compute the propagator.  Result in psi. */
	    avm_iters[nk] += 
	      (Real)wilson_invert_site_wqs(F_OFFSET(chi),F_OFFSET(psi),
					   w_source_h,&wqs,
					   cgilu_w_site,&qic,(void *)&dwp);
	    break;
	  case MR:
	    /* Load temporaries specific to inverter */
	    
	    /* compute the propagator.  Result in psi. */
	    avm_iters[nk] += 
	      (Real)wilson_invert_site_wqs(F_OFFSET(chi),F_OFFSET(psi),
					   w_source_h,&wqs,
					   mrilu_w_site,&qic,(void *)&dwp);
		break;
	      default:
		node0_printf("main(%d): Inverter choice %d not supported\n",
			     this_node,cl_cg);
	  }
	  
	  /* save psi if requested */
	  save_wprop_sc_from_site( saveflag_w[nk],fp_out_w[nk], &wqstmp2,
			  spin,color,F_OFFSET(psi),1);


	  light_meson(F_OFFSET(psi), color, spin, wqs.type, fp_m_out, fb_m_out);

	  if (this_node == 0)
	    printf("Light mesons found\n");

	/*** calculate the correlators required for the static variational code **/
	if( nkap == 1 )
	{

	  /** calculate the smeared meson correlators required for Bparam **/
	  calc_smeared_meson(meson, F_OFFSET(psi) ,  F_OFFSET(mp), color, spin);
			 
	  /** calculate the object required for the 2-pt variational calculation ***/
	  buildup_strip(F_OFFSET(psi)   ,  color,  spin); 

	} /** end of the partial calculations for the variationl project ***/



	  /*
	   * find source again since mrilu overwrites it; for hopping
	   * expansion 
	   */
	  /* source must be of definite parity */

	  wqs.parity = source_parity;
	  w_source_h(F_OFFSET(chi), &wqs);

	  hopping(F_OFFSET(chi), F_OFFSET(mp), F_OFFSET(psi), nhop,
		  kappa_c, wqs.parity, color, spin, wqs.type,
		  fp_m_out, fb_m_out);

	  /* close files */

	  r_close_wprop(startflag_w[nk], fp_in_w[nk]);
	  w_close_wprop(saveflag_w[nk],fp_out_w[nk]);

	  if (saveflag_m == SAVE_MESON_ASCII)
	    w_ascii_m_f(fp_m_out, savefile_m[nk]);
	  else if (saveflag_m == SAVE_MESON_BINARY)
	    w_binary_m_f(fb_m_out, savefile_m[nk]);


	  if (spin == end_spin && color == end_color && nk == end_kap)
	    goto end_of_loops;


	}
      }
    }				/* end of loop over spin, color, kappa */

end_of_loops:


    if (this_node == 0)
      printf("RUNNING COMPLETED\n");

    /**DEBUG***/  
#ifdef DEBUGDEF
    light_quark_pion(2) ;
#endif

    for (nk = 0; nk < nkap; nk++)
    {
      if (meascount[nk] > 0)
      {
	if (this_node == 0)
	  printf("total mr iters for measurement= %e\n",
		 (double) avm_iters[nk]);
	if (this_node == 0)
	  printf("average mr iters per spin-color= %e\n",
		 (double) avm_iters[nk] / (double) meascount[nk]);
      }
    }


    endtime=dclock();
    node0_printf("Time = %e seconds\n", (double) (endtime - starttime));

    fflush(stdout);

    /*** calculation section for the variational code *****/
    if( nkap == 1 )
    {
      
      /** sum up the smeared meson correlators over all the nodes ***/
      for(i=0 ; i < nodata ;++i)
      {
	g_complexsum(meson + i) ;
      }
	  

      /* write the smeared correlators to a single disk file ***/
      IF_MASTER
	write_smear_mesonx(meson);
      
      free(meson);  /*** free up the memory for the b-parameter correlators ***/
      
      calc_vary_matrix() ;  /** calculate the static variational matrix **/
      node0_printf(">> The end of the static variational code <<<<\n");
      
    }/** end of the final static variational code *****/


    node0_printf("Time = %e seconds\n",(double)(endtime-starttime));


    fflush(stdout);
    
  } /* end of while(prompt) */

  return 0;

}  /* end of main() */