en:user:server
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:user:server [2015/09/21 17:03] – [Compute servers] Gaja Peters | en:user:server [2026/09/07 10:49] (current) – [Compute servers] restart with no CPU load Jan Henrik Sylvester | ||
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| ===== Login servers ===== | ===== Login servers ===== | ||
| - | * login1.math.uni-hamburg.de and login2.math.uni-hamburg.de | + | * login1.math.uni-hamburg.de and login2.math.uni-hamburg.de |
| - | * are available from outside math.uni-hamburg.de via ssh, | + | * are available from outside math.uni-hamburg.de via ssh (see [[en: |
| * have limited resources, what makes them suitable for | * have limited resources, what makes them suitable for | ||
| * logging into compute servers, | * logging into compute servers, | ||
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| ===== Compute servers ===== | ===== Compute servers ===== | ||
| - | * compu1.math.uni-hamburg.de with 24 CPU cores and 40 GB RAM each and | + | * compu3.math.uni-hamburg.de with 20 CPU cores and 384 GB RAM running Ubuntu 24.04, |
| - | * compu2.math.uni-hamburg.de with 24 CPU cores and 48 GB RAM each and | + | * < |
| - | * compu3.math.uni-hamburg.de with 32 CPI cores and 496 GB RAM | + | * compu5.math.uni-hamburg.de with 64 CPU cores and 1504 GB RAM running Ubuntu 24.04, |
| - | * are only available from inside the IP-area math.uni-hamburg.de via SSH, for example from login servers or desktop computers, | + | * compu1.math.uni-hamburg.de with 192 CPU cores and 1536 GM RAM running Ubuntu 26.04 (new machine in 2026), |
| - | * will usually only be restarted after prior announcement on the department blog, | + | * gpu1.math.uni-hamburg.de with 2 NVIDIA A30 (good for double precision, 24GB GPU memory |
| - | * are suitable for computation jobs. | + | * gpu2.math.uni-hamburg.de with 1 NVIDIA RTX PRO 6000 (better for single precision, 96GB GPU memory), 96 CPU cores and 768GB RAM running Ubuntu 26.04 (new machine in 2026, will be shared with PHYSnet later). |
| + | |||
| + | * are only available from inside the IP-area math.uni-hamburg.de via SSH (see [[en: | ||
| + | * will usually only be restarted after prior announcement on the department blog or if there is no CPU/GPU load, | ||
| + | * are suitable for computation jobs, | ||
| + | * have shared resources, please watch your usage with `top`, `nvtop`, and similar tools and coordinate with other users. Especially GPU memory must always be freed after calculations. | ||
| ===== Computations independent of the ssh connection ===== | ===== Computations independent of the ssh connection ===== | ||
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| '' | '' | ||
| - | You needs to obtain new credentials: | + | You needs to obtain new credentials |
| '' | '' | ||
en/user/server.1442855013.txt.gz · Last modified: by Gaja Peters