I occured an error "Intel MKL ERROR: Parameter 10 was incorrect on entry to DGEMM " when using 'singlesite' optimization and 'storagedir' together. I'm not sure if this is an error of MKL or one of the MPS code in ALPS However it runs ok if i turn off the "storagedir" option or use the "twosite" optimization schedule. Here comes the python script #--------------------------------------------------------------------------------------------# import pyalps import numpy as np import matplotlib.pyplot as plt import pyalps.plot #prepare the input parameters parms = [ { 'optimization' : 'singlesite', 'LATTICE' : 'open chain lattice', 'L' : 20, 'MODEL' : 'spin', 'local_S0' : '0.5', 'local_S1' : '1', 'CONSERVED_QUANTUMNUMBERS' : 'N,Sz', 'Sz_total' : 0, 'J' : 1, 'SWEEPS' : 4, 'NUMBER_EIGENVALUES' : 1, 'MAXSTATES' : 50, 'storagedir' : 'storage' } ] #write the input file and run the simulation input_file = pyalps.writeInputFiles('parm_spin_one',parms) res = pyalps.runApplication('mps_optim',input_file,writexml=True) #----------------------------------------------------------------------------------------# -------Su Wei-------