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Posted to commits@mxnet.apache.org by gi...@git.apache.org on 2017/08/18 01:45:37 UTC

[GitHub] DickJC123 opened a new pull request #7515: Fixed Makefile so a null CUDA_ARCH is treated like an unset one.

DickJC123 opened a new pull request #7515: Fixed Makefile so a null CUDA_ARCH is treated like an unset one.
URL: https://github.com/apache/incubator-mxnet/pull/7515
 
 
   Users can override the Makefile's setting of CUDA_ARCH with their own value, but then they may think they can revert back to the default setting by leaving a line such as "CUDA_ARCH=" in their custom config.mk.  A defined, but null, CUDA_ARCH variable caused the platform to compile for all NVIDIA GPU architectures, including unsupported ones like Fermi.  This PR changes the behavior so that a null CUDA_ARCH is treated the same as an undefined one- the platform is compiled to the list of supported GPU architectures in the Makefile.
 
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