[gmx-users] Error: Cannot set thread affinities on the current platform

Benson Muite benson.muite at ut.ee
Fri Nov 23 20:27:24 CET 2018

Generally thread affinities are how software threads are mapped to
hardware cores:

This may have some impact on speed (but is dependent on the computer
chip, program being run and data that is being processed), see for example:

It usually should not change results significantly - only expect changes
in rounding errors.

On 11/23/18 8:03 PM, Neena Susan Eappen wrote:
> What do these thread affinities refer to?
> Does that error have an impact on simulations? My simulations were still completed without any halt in between.
> Thank you,
> Neena

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