2.19.3-1

H800/H100 fixes and tuning.
Re-enable intra-process direct pointer buffer access when CUMEM is
enabled.

src/include/comm.h

@@ -127,7 +127,7 @@ struct ncclChannel {
   struct ncclChannelPeer** peers;
   struct ncclDevChannelPeer** devPeers;
   /* devPeer pointer array used for host side access */
-  struct ncclDevChannelPeer** devPeersHostPtr; 
+  struct ncclDevChannelPeer** devPeersHostPtr;
   struct ncclRing ring;
   int* devRingUserRanks;
   struct ncclTree tree;