cluster:208
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cluster:208 [2022/05/31 12:34] hmeij07 [gpu testing] |
cluster:208 [2022/06/01 12:42] hmeij07 [gpu testing] |
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| ===== gpu testing ===== | ===== gpu testing ===== | ||
| - | * test slurm v 21.08.1 | + | * test standalone |
| * n33-n37 each: 4 gpus, 16 cores, 16 threads, 32 cpus | * n33-n37 each: 4 gpus, 16 cores, 16 threads, 32 cpus | ||
| * submit one at a time, observe | * submit one at a time, observe | ||
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| * do all 16 jobs log the same wall time? Yes, between 10.10 and 10.70 hours. | * do all 16 jobs log the same wall time? Yes, between 10.10 and 10.70 hours. | ||
| - | * ohpc slurm v 20.11.8 | + | * ohpc v2.4 slurm v 20.11.8 |
| * part=test, n 1, B 1:1:1, cuda_visible=0, | * part=test, n 1, B 1:1:1, cuda_visible=0, | ||
| - | * | + | * hit a bug, you must specify cpus-per-gpu **and** mem-per-gpu |
| + | * then slurm detects 4 gpus on allocated node and allows 4 jobs on a single allocated gpu | ||
| + | * twisted logic | ||
| + | * so recent openhpc version but old slurm version in software stack | ||
| + | * trying standalone install on openhpc prod cluster | ||
| + | |||
| ===== Changes ===== | ===== Changes ===== | ||
cluster/208.txt · Last modified: 2022/11/02 17:28 by hmeij07
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