2.5.6-1 (#255)

Add LL128 Protocol.

Rewrite the topology detection and tree/ring creation (#179). Improve
tree performance by sending/receiving from different GPUs. Add
model-based tuning to switch between the different algorithms and
protocols.

Rework P2P/SHM detection in containers (#155, #248).

Detect duplicated devices and return an error (#231).

Add tuning for GCP

[ROCm/rccl commit: 299c554dcc]

projects/rccl/src/include/channel.h

@@ -6,7 +6,7 @@
 
 #ifndef NCCL_CHANNEL_H_
 #define NCCL_CHANNEL_H_
-#include "core.h"
+#include "comm.h"
 
 ncclResult_t initChannel(struct ncclComm* comm, int channelid);
 ncclResult_t freeChannel(struct ncclChannel* channel, int nRanks);