Revert "2.18.5-1"

This reverts commit 26b91b9dbb. [ROCm/rccl commit: 767fde8210]
2024-01-12 16:54:19 +00:00
parent fc73c738ba
commit 7cc572ecf9
6 changed files with 115 additions and 82 deletions
@@ -866,7 +866,9 @@ ncclResult_t ncclTopoComputeP2pChannels(struct ncclComm* comm) {
  // fill the whole space of nChannels. To do so we mirror the bits in the
  // nChannels space.
  for (int c=0; c<comm->p2pnChannels; c++) {
-    comm->p2pChannels[c] = mirrorBits(c, comm->p2pnChannels);
+    int mirror = 0;
+    for (int b=1, mb=(comm->p2pnChannels>>1); b<comm->p2pnChannels; b<<=1, mb>>=1) if (c & b) mirror |= mb;
+    comm->p2pChannels[c] = mirror;
  }
  return ncclSuccess;
 }