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fix: force synchronization between TP workers when update_weights (#6626)

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Co-authored-by: dangkai.dk <dangkai.dk@alibaba-inc.com>
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DangKai
2025-06-25 16:35:59 +08:00
committed by GitHub
parent 3abc30364d
commit bc2e5645c4
1 changed files with 1 additions and 0 deletions
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python/sglang/srt/managers/scheduler.py
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@@ -2235,6 +2235,7 @@ class Scheduler(
assert flash_cache_success, "Cache flush failed after updating weights" assert flash_cache_success, "Cache flush failed after updating weights"
else: else:
logger.error(message) logger.error(message)
barrier(group=self.tp_cpu_group)
return UpdateWeightsFromTensorReqOutput(success, message) return UpdateWeightsFromTensorReqOutput(success, message)
def get_weights_by_name(self, recv_req: GetWeightsByNameReqInput): def get_weights_by_name(self, recv_req: GetWeightsByNameReqInput):