[slurm-users] Automatically setting OMP_NUM_THREADS=SLURM_CPUS_PER_TASK?

[Ryan Novosielski]

Thanks again! I’d seen the second one but not the first one.

> On Mar 6, 2018, at 6:28 PM, Martin Cuma <martin.cuma at utah.edu> wrote:
> 
> MKL is trying to be flexible as it has different potential levels of parallelism inside. Having MKL_ and OMP_NUM_THREADS can be beneficial in programs where you may want to use your own OpenMP but restrict MKL's or vice versa.
> 
> A good article on the different options that MKL provides is here:
> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.diracprogram.org%2Fdoc%2Frelease-12%2Finstallation%2Fmkl.html&data=02%7C01%7Cnovosirj%40rutgers.edu%7C1cd606b70e004f334bc408d583ba29be%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C1%7C636559757962555771&sdata=5D%2B3OJmw7pbNVYO45vF%2F%2B7Nvx29ewJnMH2thf4O2slo%3D&reserved=0
> 
> Official Intel guide is here:
> https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsoftware.intel.com%2Fen-us%2Farticles%2Frecommended-settings-for-calling-intel-mkl-routines-from-multi-threaded-applications&data=02%7C01%7Cnovosirj%40rutgers.edu%7C1cd606b70e004f334bc408d583ba29be%7Cb92d2b234d35447093ff69aca6632ffe%7C1%7C1%7C636559757962555771&sdata=FLYu9kXwIq9OW2%2BwHNNDEwXXy1UUV%2F0C35TmTH5HJEU%3D&reserved=0

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