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Porting MPI PR to Darwin OpenMPI #2168

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Porting MPI PR to Darwin OpenMPI #2168

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chadbrewbaker
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Added a few lines to get #2099 working on Darwin OpenMPI. Builds but I haven't tested.

@chadbrewbaker
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Is this the correct benchmark or should I be looking at examples/babyllama?

mpirun -np 4 benchmark-matmult

@evanmiller
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A CI target would be very welcome here

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chadbrewbaker commented Jul 11, 2023 •
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A CI target would be very welcome here

Agreed. AFAIK the macOS-latest GitHub runner is x86 not M1/M2.

I have a M1 Pro with 16G RAM and a M1 Air with 16G RAM to test with.

  • Check localhost MPI is giving same output for np=1, ...., np=8 for (baby llama with pinned PRNG?)
  • Add Metal acceleration
  • Test on two M1/M2s with MPI over SSH.
  • (Stretch goal) cmake build.
  • (Stretch goal) get it building under Zig. https://ziglang.org/download/

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@chadbrewbaker @evanmiller