WIP: pp pd decode wip#13
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bluecoffee8 wants to merge 6 commits intoopenanolis:Xuchun/pp-devfrom
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Coauthor: @ShangmingCai (mooncake backend)
WIP async PP x PD decode loop.
Currently support PP on both prefill and decode, but the PP size needs to be the same (or decode PP=1).
Currently mooncake backend works, nixl is WIP.
Also needs a bit more stress testing in order to test the retract req logic.
Mistral 7B model, PP=4 on single prefill worker (4 x H100), and PP=4 on single decode worker (4 x H100). 128 prompts, 1000 input and 1000 output len approx.
Mistral 7B model, PP=2 on single prefill worker (2 x H100), and PP=2 on single decode worker (2 x H100). 256 prompts, 8000 input and 16000 output len approx. Testing the retract logic. Scheduler conservativeness = 0.1.
Motivation
Modifications
Accuracy Tests
Benchmarking and Profiling
Checklist