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en:user:server [2021/05/06 16:00] – [Compute servers] compu3 is restricted Jan Henrik Sylvesteren:user:server [2026/09/07 10:49] (current) – [Compute servers] restart with no CPU load Jan Henrik Sylvester
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 ===== Compute servers ===== ===== Compute servers =====
-  * <del>compu1.math.uni-hamburg.de with 24 CPU cores and 40 GB RAM running Ubuntu 18.04 (sporadic problems known),</del> +  * compu3.math.uni-hamburg.de with 20 CPU cores and 384 GB RAM running Ubuntu 24.04, 
-  * <del>compu2.math.uni-hamburg.de with 24 CPU cores and 48 GB RAM running Ubuntu 18.04 (sporadic problems known),</del> +  * <del>compu4.math.uni-hamburg.de with 24 CPU cores and 512 GB RAM running Ubuntu 24.04</del> (network problems), 
-  * <del>compu3.math.uni-hamburg.de with 32 CPU cores and 480 GB RAM running Ubuntu 20.04 (raid failure for internal storage),</del> +  * compu5.math.uni-hamburg.de with 64 CPU cores and 1504 GB RAM running Ubuntu 24.04, 
-  * compu4.math.uni-hamburg.de  with 24 CPU cores and 512 GB RAM running Ubuntu 20.04, and +  * compu1.math.uni-hamburg.de with 192 CPU cores and 1536 GM RAM running Ubuntu 26.04 (new machine in 2026), 
-  * compu5.math.uni-hamburg.de  with 64 CPU cores and 1536 GB RAM running Ubuntu 20.04+  * gpu1.math.uni-hamburg.de with 2 NVIDIA A30 (good for double precision, 24GB GPU memory each), 24 CPU cores and 128GB RAM running Ubuntu 24.04, and 
 +  * 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:user:server:fingerprints]]), for example from login servers or desktop computers,   * are only available from inside the IP-area math.uni-hamburg.de via SSH (see [[en:user:server:fingerprints]]), for example from login servers or desktop computers,
-  * will usually only be restarted after prior announcement on the department blog, +  * 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.+  * 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 =====
en/user/server.1620316803.txt.gz · Last modified: by Jan Henrik Sylvester

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