From 4cd86b185c16aea8ed6ebccf1e9574b36300e714 Mon Sep 17 00:00:00 2001
From: akolliasAMD <99202231+akolliasAMD@users.noreply.github.com>
Date: Fri, 3 Nov 2023 09:10:52 -0600
Subject: [PATCH] MSCCL stream fix (#948)

[ROCm/rccl commit: 988efe605a84ce694168b78edc09cf1f56ac7a64]
---
 projects/rccl/src/misc/msccl/msccl_setup.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/projects/rccl/src/misc/msccl/msccl_setup.cc b/projects/rccl/src/misc/msccl/msccl_setup.cc
index 0b6c997ef2..5222cf39c6 100644
--- a/projects/rccl/src/misc/msccl/msccl_setup.cc
+++ b/projects/rccl/src/misc/msccl/msccl_setup.cc
@@ -67,7 +67,6 @@ ncclResult_t mscclSetupScratch(struct mscclAlgo* hostAlgo, hipStream_t stream) {
   mscclStatus& status = mscclGetStatus();
   size_t sizeNeeded = (status.nBytes * (size_t)(hostAlgo->nScratchChunks)) / (size_t)(hostAlgo->nChunksPerLoop);
   if (sizeNeeded > status.scratchBufferSize){
-    CUDACHECK(hipStreamSynchronize(stream));
     NCCLCHECK(ncclCudaFree(status.scratchBuffer));
     NCCLCHECK(ncclCudaCalloc((char**)&status.scratchBuffer, sizeNeeded));
     status.scratchBufferSize = sizeNeeded;