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gpu [2018/02/20 17:54]
kruza [Rules] typo 		gpu [2018/04/09 12:45]
vodrazka documenting default settings for cuda and cudnn libraries
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 ===== Servers with GPU units ===== ===== Servers with GPU units =====
 GPU cluster ''gpu.q'' at Malá Strana: GPU cluster ''gpu.q'' at Malá Strana:
- +| machine | GPU type | GPU driver version | [[https://en.wikipedia.org/wiki/CUDA#GPUs_supported|cc]] | GPU cnt | GPU RAM (GB) | machine RAM (GB)| 
-| machine                    | GPU type | [[https://en.wikipedia.org/wiki/CUDA#GPUs_supported|cc]] | GPUs | GPU RAM | RAM | Comment | +| dll1 |  GeForce GTX 1080 |  384.69 |  6.1 |  8 |  8 |  250 | 
-| iridium                    | Quadro K2000        |  cc3.0 |   1|   2 GB | 52 GB | driver(iridium)=367.48 | +| dll2 |  GeForce GTX 1080 |  387.34 |  6.1 |  8 |  8 |  250 | 
-| titan-gpu                  | GeForce GTX Titan Z |  cc3.5 |   2|   6 GB | 32 GB | driver(titan-gpu)=381.22 | +| dll3 |  GeForce GTX 1080 Ti |  375.66 |  6.1 |  9 |  11 |  250 | 
-| twister1; twister2; kronos | Tesla K40c          |  cc3.5 |   1|  12 GB | 48 GB; 48GB; 128 GB | driver(twister*)=367.48, driver(kronos)=384.81 | +| dll4 |  GeForce GTX 1080 Ti |  375.66 |  6.1 |  10 |  11 |  250 | 
-| titan                      | GeForce GTX 1080    |  cc6.1 |   1|   8 GB | 32 GB  | driver(titan)=381.22| +| dll5 |  GeForce GTX 1080 Ti |  384.69 |  6.1 |  10 |  11 |  250 | 
-| dll1; dll2                 | GeForce GTX 1080    |  cc6.1 |   8|   8 GB | 250 GB | driver(dll1)=375.66, driver(dll2)=387.26 | +| dll6 |  GeForce GTX 1080 Ti |  384.69 |  6.1 |  9 |  11 |  122 | 
-| dll4; dll5                 | GeForce GTX 1080 Ti |  cc6.1 |  10|  11 GB | 250 GB | driver(dll4)=375.66, driver(dll5)=384.69 | +| gpu |  GeForce GTX TITAN Z |  381.22 |  3.5 |  2 |  6 |  31 | 
-| dll3                       | GeForce GTX 1080 Ti |  cc6.1 |   9|  11 GB | 250 GB | driver(dll3)=375.66 | +| iridium |  Quadro K2000 |  367.48 |  3.0 |  1 |  2 |  504 | 
-| dll6                       | GeForce GTX 1080 Ti |  cc6.1 |   9|  11 GB | 126 GB | driver(dll6)=384.69 |+| kronos |  GeForce GTX 1080 Ti |  384.81 |  6.1 |  1 |  11 |  125 | 
 +| titan |  GeForce GTX 1080 |  381.22 |  6.1 |  1 |  8 |  31 | 
 +| twister1 |  Tesla K40c |  367.48 |  3.5 |  1 |  11 |  47 | 
 +| twister2 |  Quadro P5000 |  367.48 |  6.1 |  1 |  17 |  47 |
  
 Desktop machines: Desktop machines:
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 You also need to use ''qsub -q gpu.q@dll[256]'' because only those machines have drivers which support CUDA 9. You also need to use ''qsub -q gpu.q@dll[256]'' because only those machines have drivers which support CUDA 9.
 +
 +**Testing configuration (so far on twister2 only)**
 +
 +Multiple versions of ''cuda'' and ''cudnn'' can be accessed in ''/opt''.
 +System default version for both libraries is configured in ''/etc/ld.so.conf.d/cuda.conf'' as:
 +
 +  /opt/cuda/lib64
 +  /opt/cuda/extras/CUPTI/lib64
 +  /opt/cudnn/lib64
 +
 +Actual version used depends on the link in ''/opt''. For example:
 +
 +  ls -l /opt
 +  ...
 +  lrwxrwxrwx 1 root root  8 dub  9 12:30 cuda -> cuda-9.0
 +  lrwxrwxrwx 1 root root  9 dub  9 12:32 cudnn -> cudnn-7.1
 +  ...
 +  
 +This means that the system is using ''cuda 9.0'' and ''cudnn 7.1''.
 +
 +If system default version does not work for you, you can set library path from your ''~/.bashrc''.
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 ==== TensorFlow Environment ==== ==== TensorFlow Environment ====

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