Apply temp. patch to Triton code to resolve conflicting cache dirs in TP case #34
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… TP case. Signed-off-by: Thomas Parnell <[email protected]>
Signed-off-by: Thomas Parnell <[email protected]>
joerunde
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Jun 3, 2024
…ch instead. (#35) I tested the previous fix for the Triton cache collision issue (see: #34) and it didn't work. I now see errors like: ``` FileNotFoundError: [Errno 2] No such file or directory: '/home/vllm/.triton/cache/1feb415f3280ca46eea8c4407a58c23e/fused_moe_kernel.json.tmp.pid_72_c0a0033e-6147-4520-ae3a-3847d02598f8' ``` which now shows the `uuid` instead of a random integer, but problem remains. This PR implements a different workaround, proposed by @cyang49, that tells Triton to use a custom cache manager which assigns a different directory based on the process id. This time I have tested it and it seems to work. --------- Signed-off-by: Thomas Parnell <[email protected]> Signed-off-by: Nick Hill <[email protected]> Signed-off-by: Joe Runde <[email protected]> Co-authored-by: Chih-Chieh-Yang <[email protected]> Co-authored-by: Joe Runde <[email protected]> Co-authored-by: Nick Hill <[email protected]>
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We are seeing Mixtral pods with TP>1 failing with errors like:
It seems like there is some conflict in the Triton cache directories when using multi-processing. This has actually been fixed upstream in Triton, but the fix hasn't made it into Triton v2.3.0 which is what vLLM is currently using.
This change essentially applies same fix that has made it into Triton main branch inside our container.