| commit | b9c04931de7709424b2931720b5bb6952c005780 | |
| author | Berk Hess <hess@kth.se> | |
| Fri, 23 Feb 2018 14:22:50 +0000 (23 15:22 +0100) | ||
| committer | Mark Abraham <mark.j.abraham@gmail.com> | |
| Thu, 1 Mar 2018 21:34:14 +0000 (1 22:34 +0100) | ||
| tree | 2d9a567e34b3e492d60dbafc59b07a5125245550 | treesnapshot (tar.gz zip) |
| parent | 6358ce7313d40e682e1324cf38ba9974ab082df4 | commitdiff |
Detect AMD SMT topology
On AMD Zen the cpuinfo code detected hyperthreading but put all
threads on different cores in the topology. Now the correct
topology is detected using extended APIC.
Also disabled topology detection for non-AMD, non-x2APIC x86.
Fixes #2388
Change-Id: I194f3e09e669c20d1d62355a36be062e6cce264e
On AMD Zen the cpuinfo code detected hyperthreading but put all
threads on different cores in the topology. Now the correct
topology is detected using extended APIC.
Also disabled topology detection for non-AMD, non-x2APIC x86.
Fixes #2388
Change-Id: I194f3e09e669c20d1d62355a36be062e6cce264e
| docs/release-notes/2018/2018.1.rst | diffblobblamehistory | |
| src/gromacs/hardware/cpuinfo.cpp | diffblobblamehistory | |
| src/gromacs/hardware/cpuinfo.h | diffblobblamehistory |