BS”D
Did you build with or without hwloc?
I did use hwloc.
—
Gromacs 2018 rc1 (using gcc 4.8.5)
—
Using AVX_256
You should be using AVX2_128 or AVX2_256 or Zen! The former will be fastest
in CPU-only runs, the latter can often be (a bit) faster in GPU acce
Hi,
Thanks for the report!
Did you build with or without hwloc? There is a known issue with the
automatic pin stride when not using hwloc which will lead to a "compact"
pinning (using half of the cores with 2 threads/core) when <=half of the
threads are launched (instead of using all cores 1 thre
BS”D
In case anybody is interested we have tested Gromacs on a Threadripper machine
with two GPU’s.
Hardware:
Ryzen Threadripper 1950X 16 core CPU (multithreading on), with Corsair H100i V2
Liquid cooling
Asus Prime X399-A M/B
2 X Geforce GTX 1080 GPU’s
32 GB of 3200MHz memory
Samsung 850 Pro
