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[BugFix][DP] Send DP wave completion only from dp_rank==0 (#18502)

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Signed-off-by: Nick Hill <nhill@redhat.com>
Co-authored-by: kourosh hakhamaneshi <kourosh@anyscale.com>
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Nick Hill 2025-05-21 20:25:25 -07:00 committed by GitHub
parent d022115cc6
commit cf5984b2fe
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1 changed files with 2 additions and 2 deletions
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4
vllm/v1/engine/core.py
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@ -701,7 +701,7 @@ class DPEngineCoreProc(EngineCoreProc):
for i in range(local_dp_rank * world_size, (local_dp_rank + 1) *
world_size))
self.local_dp_rank = local_dp_rank
self.dp_rank = dp_rank
self.dp_group = vllm_config.parallel_config.stateless_init_dp_group()
self.current_wave = 0
@ -774,7 +774,7 @@ class DPEngineCoreProc(EngineCoreProc):
local_unfinished_reqs)
if not self.engines_running:
if self.local_dp_rank == 0:
if self.dp_rank == 0:
# Notify client that we are pausing the loop.
logger.debug("Wave %d finished, pausing engine loop.",
self.current_wave)