Marian 1.10 compilation slow

[tuck...@gmail.com]

Hi all,

 

thank you for releasing the new Marian version 1.10!

 

 

We noticed that this release seems to roughly double the compilation time required to build marian (on our system with “-j8” from 30 minutes to 60minutes)

Also near the beginning of the output of make we now get

“make[3]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.”

 

This was not present previously, and it seems to me that during compilation of the CUDA kernels only a single CPU core is used. However I’m not entirely sure if it’s actually related.

Is there something that can be done to build CUDA kernels in parallel or in general to speed up the build?

 

Any hints are greatly appreciated!

 

Best regards

Patrick

[Marcin Junczys-Dowmunt]

Ah. That’s already fixed in another place and should be available in Marian 1.11 later this or next week. A quick fix is to replace in file

marian-dev/src/3rd_party/CMakeLists.txt

 

${CMAKE_MAKE_PROGRAM} with "\$(MAKE)"

 

Note the quotes.

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[tuck...@gmail.com]

Thanks a lot! This brings compilation time back down to ~30 minutes for me