Dear Benjamin, I’m not really a Windows user, let’s see if anyway I can help you. I just tried installing the latest binary package (which is not very recent) of ALPS and Vistrails in 64bit version. All seems to work for me. In the specific I installed the packages: 1. alps-2.2.b3-win64.exe 2. vistrails-x64-setup-2.1.5-4fe986148829.zip 3. alps-vistrails-2.2.b3-win64.exe Note that the sequence is important, i.e. alps-vistrails has to be installed after vistrails, such that it can install the ALPS module. For further help I should ask you to write to the ALPS mailing list, you might find some Windows users that can help you directly. https://lists.phys.ethz.ch/listinfo/comp-phys-alps-users <https://lists.phys.ethz.ch/listinfo/comp-phys-alps-users> Best, Michele -- ETH Zurich Michele Dolfi Institute for Theoretical Physics HIT G 32.4 Wolfgang-Pauli-Str. 27 8093 Zurich Switzerland dolfim@phys.ethz.ch www.itp.phys.ethz.ch +41 44 633 78 56 phone +41 44 633 11 15 fax

On Jun 29, 2015, at 12:02 PM, Benjamin Mille <mille.benjamin@gmail.com> wrote:

Dear Michele, I am trying to use the MPS-Algorithm you implemented in ALPS. Using the 32bit Version of Vistrails(V2.1.2) with the 64bit newest binary of ALPS(2.2.b3-win64) I can use the mps_optim algorithm. When I try it with the 64bit version of Vistrails(V2.1.2-win64) the program stops after writing the parameter xml files. I just tried it on the first mps tutorial with the spin_one_half.py. Is there a way to get this working? Because I need the 64bit version for the systems I want to investigate.

Kind regards Benjamin Mille