add broadcast synchronize (#451)

2023-10-26 17:38:51 +08:00 · 2023-10-26 17:38:51 +08:00 · f653e5af01
parent 7b1b892084
commit f653e5af01
1 changed files with 2 additions and 0 deletions
--- a/internlm/solver/optimizer/hybrid_zero_optim.py
+++ b/internlm/solver/optimizer/hybrid_zero_optim.py
@ -709,6 +709,8 @@ class HybridZeroOptimizer(BaseOptimizer):
        for handle in handles:
            handle.wait()

+        torch.cuda().synchronize()
+
    ##################
    # FP16 Utilities #
    ##################