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services:computing:hpc [2021/09/06 12:08]
Piero Calucci [Hardware and Software] add P9 nodes
services:computing:hpc [2021/09/06 12:13] (current)
Piero Calucci [Hardware and Software]
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 The software tree is the same you have on Linux workstations,​ with the same [[services:​modules|Lmod modules]] system (with the only exception of desktop-oriented software packages). The software tree is the same you have on Linux workstations,​ with the same [[services:​modules|Lmod modules]] system (with the only exception of desktop-oriented software packages).
  
-A small number of POWER9-based nodes are also available (2 sockets, 16 cores, 4 threads per core; 256GB RAM). Please note that you cannot run x86 code on POWER9.+A small number of POWER9-based nodes are also available (2 sockets, 16 cores, 4 threads per core; 256GB RAM) with 2 or 4 Tesla V100. Please note that you cannot run x86 code on POWER9. For an interactive shell on a P9 machine, please type ''​p9login''​ on frontend[12].
  
 ===== Queue System =====  ===== Queue System ===== 
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   * **''​long1''​** and **''​long2''​**:​ max 8 nodes, max 48h   * **''​long1''​** and **''​long2''​**:​ max 8 nodes, max 48h
   * **''​gpu1''​** and **''​gpu2''​**:​ max 4 nodes, max 12h   * **''​gpu1''​** and **''​gpu2''​**:​ max 4 nodes, max 12h
 +  * **''​power9''​**:​ max 2 nodes, max 24h
  
 <note tip>​Please note that hyperthreading is enabled on all nodes (it was disabled on old Ulysses). If you **do not** want to use hyperthreading,​ the ''​%%--hint=nomultithread%%''​ options to srun/sbatch will help. <note tip>​Please note that hyperthreading is enabled on all nodes (it was disabled on old Ulysses). If you **do not** want to use hyperthreading,​ the ''​%%--hint=nomultithread%%''​ options to srun/sbatch will help.