Ejemplo n.º 1
0
 def build(self):
     self.comm.Barrier()
     print '[molinfo.build] rank=', self.comm.rank
     #
     # tmpdir:
     # dirname = dateMar_29_13_07_20_2016_rank3_pid71559_mpo_dmrg
     #
     pid = str(os.getpid())
     dat = string.join(time.asctime().split(':'))
     dat = string.join(dat.split(' ')[1:], '_')
     suffix = 'date' + dat + '_rank' + str(self.comm.rank) + '_pid' + pid
     dirname = suffix + '_mpo_dmrg'
     self.path = self.tmpdir + dirname
     sysutil_io.createDIR(self.path)
     return 0
Ejemplo n.º 2
0
def evalPropsNQt(dmrg,fbmps,fkmps,fop,status,debug=False):
   t0 = time.time()
   # sites
   bnsite = fbmps['nsite'].value
   knsite = fkmps['nsite'].value
   assert bnsite == knsite
   nsite = bnsite
   nop = fop['nop'].value
   if debug:
      print ' nop   = ',nop
      print ' nsite = ',nsite
   # Create directory - maybe we could use dmrg.path+'/tmpdirProps' in future
   path = dmrg.path+'/tmpdirProps'
   sysutil_io.createDIR(path,debug)
   fname = path+'/trop'
   prefix = fname+'_site_' 
   # L->R sweeps 
   if status == 'L':

      mpo_dmrg_init.genBopsNQt(fname,nop,-1)
      for isite in range(0,nsite):
	 if debug: print ' isite=',isite,' of nsite=',nsite
	 ti = time.time()
	 f0 = h5py.File(prefix+str(isite-1),"r")
         f1name = prefix+str(isite)
	 f1 = h5py.File(f1name,"w")
	 bsite = mpo_dmrg_io.loadSite(fbmps,isite,False)
	 ksite = mpo_dmrg_io.loadSite(fkmps,isite,False)
	 if isite == nsite-1: exphop = numpy.zeros(nop,dtype=dmrg_dtype)
         for iop in range(nop):
	    if debug: print '    iop=',iop,' of nop=',nop
	    cop = fop['site'+str(isite)+'/op'+str(iop)].value
	    tmp = f0['opers'+str(iop)].value
	    #--- kernel ---
	    tmp = numpy.tensordot(bsite.conj(),tmp,axes=([0],[1]))
	    tmp = numpy.tensordot(cop,tmp,axes=([0,2],[2,0]))
	    tmp = numpy.tensordot(tmp,ksite,axes=([1,3],[1,0]))
	    #--- kernel ---
	    f1['opers'+str(iop)] = tmp
	    # Get the expectation value <psi|Hx|psi> at the boundary
	    if isite == nsite-1: exphop[iop] = tmp[0,0,0]
	 f0.close()
	 f1.close()
         # final isite
	 tf = time.time()
         if debug: print ' isite =',os.path.split(f1name)[-1],\
	       		 ' nop =',nop,' t = %.2f s'%(tf-ti)

   elif status == 'R':

      mpo_dmrg_init.genBopsNQt(fname,nop,nsite)
      for isite in range(nsite-1,-1,-1):
	 if debug: print ' isite=',isite,' of nsite=',nsite
	 ti = time.time()
	 f0 = h5py.File(prefix+str(isite+1),"r")
         f1name = prefix+str(isite)
         f1 = h5py.File(f1name,"w")
	 bsite = mpo_dmrg_io.loadSite(fbmps,isite,False)
	 ksite = mpo_dmrg_io.loadSite(fkmps,isite,False)
	 if isite == 0: exphop = numpy.zeros(nop,dtype=dmrg_dtype)
         for iop in range(nop):
	    if debug: print '    iop=',iop,' of nop=',nop
	    cop = fop['site'+str(isite)+'/op'+str(iop)].value
	    tmp = f0['opers'+str(iop)].value
	    #--- kernel ---
	    tmp = numpy.tensordot(bsite.conj(),tmp,axes=([2],[1]))
	    tmp = numpy.tensordot(cop,tmp,axes=([1,2],[2,1]))
	    tmp = numpy.tensordot(tmp,ksite,axes=([1,3],[1,2]))
	    #--- kernel ---
	    f1['opers'+str(iop)] = tmp
	    # Get the expectation value <psi|Hx|psi> at the boundary
	    if isite == 0: exphop[iop] = tmp[0,0,0]
	 f0.close()
	 f1.close()
         # final isite
	 tf = time.time()
	 if debug: print ' isite =',os.path.split(f1name)[-1],\
	       		 ' nop =',nop,' t = %.2f s'%(tf-ti)
   
   # final
   sysutil_io.deleteDIR(path,1,debug)
   t1=time.time()
   if debug: print ' time for evalProps = %.2f s'%(t1-t0)
   return exphop
Ejemplo n.º 3
0
def evalPropsQt(dmrg,fbmps,fkmps,fop,status,debug=False):
   t0 = time.time()
   # sites
   bnsite = fbmps['nsite'].value
   knsite = fkmps['nsite'].value
   assert bnsite == knsite
   nsite = bnsite
   nop = fop['nop'].value
   if debug:
      print ' nop   = ',nop
      print ' nsite = ',nsite
   # Create directory
   path = dmrg.path+'/tmpdirProps'
   sysutil_io.createDIR(path,debug)
   fname = path+'/trop'
   prefix = fname+'_site_' 
   # L->R sweeps 
   if status == 'L':

      mpo_dmrg_initQt.genBopsQt(dmrg,fname,nop,-1,ifslc=False)
      lop = qtensor.qtensor()
      cop = qtensor.qtensor()
      for isite in range(0,nsite):
	 if debug: print ' isite=',isite,' of nsite=',nsite
	 ti = time.time()
	 f0 = h5py.File(prefix+str(isite-1),"r")
         f1name = prefix+str(isite)
	 f1 = h5py.File(f1name,"w")
	 bsite = mpo_dmrg_io.loadSite(fbmps,isite,True)
	 ksite = mpo_dmrg_io.loadSite(fkmps,isite,True)
	 # Lower the symmetry 
	 if dmrg.ifs2proj:
	    bsite = bsite.reduceQsymsToN()
	    ksite = ksite.reduceQsymsToN()
	 if isite == nsite-1: exphop = numpy.zeros(nop,dtype=dmrg_dtype)
	 for iop in range(nop):
	    if debug: print '    iop=',iop,' of nop=',nop
	    # COP
	    cop.load(fop,'site'+str(isite)+'/op'+str(iop))
	    # LOP
	    lop.load(f0,'opers'+str(iop))
	    #--- kernel ---
	    tmp = qtensor.tensordot(bsite,lop,axes=([0],[1]),ifc1=True)
	    tmp = qtensor.tensordot(cop,tmp,axes=([0,2],[2,0]))
	    tmp = qtensor.tensordot(tmp,ksite,axes=([1,3],[1,0]))
	    #--- kernel ---
	    tmp.dump(f1,'opers'+str(iop))
	    # Get the expectation value <psi|Hx|psi> at the boundary
	    if isite == nsite-1: exphop[iop] = tmp.value
	 f0.close()
	 f1.close()
         # final isite
	 tf = time.time()
	 if debug: print ' isite =',os.path.split(f1name)[-1],\
	       		 ' nop =',nop,' t = %.2f s'%(tf-ti)

   elif status == 'R':

      mpo_dmrg_initQt.genBopsQt(dmrg,fname,nop,nsite,ifslc=False)
      rop = qtensor.qtensor()
      cop = qtensor.qtensor()
      for isite in range(nsite-1,-1,-1):
	 if debug: print ' isite=',isite,' of nsite=',nsite
	 ti = time.time()
	 f0 = h5py.File(prefix+str(isite+1),"r")
         f1name = prefix+str(isite)
         f1 = h5py.File(f1name,"w")
	 bsite = mpo_dmrg_io.loadSite(fbmps,isite,dmrg.ifQt)
	 ksite = mpo_dmrg_io.loadSite(fkmps,isite,dmrg.ifQt)
	 # Lower the symmetry 
	 if dmrg.ifs2proj:
	    bsite = bsite.reduceQsymsToN()
	    ksite = ksite.reduceQsymsToN()
	 if isite == 0: exphop = numpy.zeros(nop,dtype=dmrg_dtype)
	 for iop in range(nop):
	    if debug: print '    iop=',iop,' of nop=',nop
	    # COP
	    cop.load(fop,'site'+str(isite)+'/op'+str(iop))
	    cop.qsyms[0]  = -cop.qsyms[0]
	    cop.qsyms[1]  = -cop.qsyms[1]
	    cop.status[0] = ~cop.status[0] 
	    cop.status[1] = ~cop.status[1] 
	    # ROP
	    rop.load(f0,'opers'+str(iop))
	    #--- kernel ---
	    tmp = qtensor.tensordot(bsite,rop,axes=([2],[1]),ifc1=True)
	    tmp = qtensor.tensordot(cop,tmp,axes=([1,2],[2,1]))
	    tmp = qtensor.tensordot(tmp,ksite,axes=([1,3],[1,2]))
	    #--- kernel ---
	    tmp.dump(f1,'opers'+str(iop))
	    # Get the expectation value <psi|Hx|psi> at the boundary
	    if isite == 0: exphop[iop] = tmp.value
	 f0.close()
	 f1.close()
         # final isite
	 tf = time.time()
	 if debug: print ' isite =',os.path.split(f1name)[-1],\
	       		 ' nop =',nop,' t = %.2f s'%(tf-ti)
 
   # final
   sysutil_io.deleteDIR(path,1,debug)
   t1=time.time()
   if debug: print ' time for evalProps = %.2f s'%(t1-t0)
   return exphop