On 05/05/2021 02:00, Janardhan wrote: > Hi all, > Hi! Thank you Janardhan, to take care of this.
> I am planning to add GPU docs like [1]. Essentially the document should > answer > the following questions. Please, feel free to add new points or contribute > to > the discussion. thanks. > > 1. What are the ways in which to run SystemDS with gpu? > For example, > with -gpu flag >> spark-submit --jars ./systemds-2.1.0-SNAPSHOT-extra.jar ./SystemDS.jar -f > test.dml -gpu > Python is on the todo list now (see Sebastian Baunsgaard's response), JMLC should work if you set the config but I don't know if we have an example of that somewhere and for script execution from shell it's the -gpu flag. There's also a force option. About that spark-submit: Is running gpu instructions through spark supported (never tried it myself)? > 2. What are the CUDNN and CUDA versions supported? > For example, which SDK[2] version to download > At the moment we're tied to CUDA 10.2 and CUDNN 7.x due to API changes in CUDNN 8.x. > 3. About JCUDA, do we need to download anything or pom.xml will take care > of it? > From source should be handled by mvn. If the binary release is used, everything that is needed should be in the extra jar. > 4. How do the python users invoke gpu? > See answer to 1. and Sebastians answer. > 5. What is the default precision behaviour (single or double)? > See Arnab's answer. The defaults can be viewed in the SystemDS-config.xml.template and in DMLConfig.java. > 6. Default memory allocation - Unified memory[3]? > For example, we use `cuda`[4] > See Arnab's response. > -- > [1] http://systemds.apache.org/docs/1.2.0/gpu > [2] https://developer.nvidia.com/cuda-downloads > [3] > https://developer.nvidia.com/blog/unified-memory-cuda-beginners/#:~:text=What%20is%20Unified%20Memory > ? > [4] > https://github.com/apache/systemds/blob/5af203a001229a6f4608040ed7e558f59ffe937c/conf/SystemDS-config.xml.template#L95 > [SYSTEMDS-2970] https://issues.apache.org/jira/browse/SYSTEMDS-2970 > > Thank you, > Janardhan > hth, Mark
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