[ALPS-users] Multithreading in MacOSX

Michele Dolfi dolfim at phys.ethz.ch
Mon Jul 3 07:59:18 CEST 2017


Hi,

In the Coda release OpenMP is disabled for both Mac una Linux.
I think that what you observed is the behavior of the Blas library used by the package. In both cases it is using open blas from the Conda-forge channel,  but the compilation might be slightly different.


Best,
Michele



> On 1 Jul 2017, at 03:25, H <w.boson at gmail.com> wrote:
> 
> Hello,
> 
> I have installed alps via conda on a Linux OS (on a cluster) and on a Mac OS (on my desktop). I noticed that with the same code (using the MPS routines), on LinuxOS all the cores are utilized but on the MacOS only one core is used. Is there a method to make multithreading works on MacOS?
> 
> 
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