2.15.1-1

Add support for H100 (sm90).
Make sure NCCL kernel honor user stream priorities.

src/proxy.cc

@@ -1055,8 +1055,8 @@ void* ncclProxyService(void* _args) {
   int asyncOpCount = 0;
   while ((stop == 0 || (stop == 1 && npeers > 0)) && *comm->abortFlag == 0) {
     /* never let proxy service thread blocks in poll, or it cannot receive abortFlag. */
-    if (int error = poll(pollfds, NCCL_MAX_LOCAL_RANKS+1, asyncOpCount ? 0 : 500) < 0) {
-      WARN("[Proxy Service] Poll failed with error %d", error);
+    if (poll(pollfds, NCCL_MAX_LOCAL_RANKS+1, asyncOpCount ? 0 : 500) < 0) {
+      WARN("[Proxy Service] Poll failed: %s\n", strerror(errno));
       return NULL;
     }
     if (pollfds[NCCL_MAX_LOCAL_RANKS].revents) {