2.20.3-1

Add support for alternating rings, allow for cross-nic rings without
cross-rail communication.
Add support for user buffer registration for network send/recv.
Optimize aggregated operations to better utilize all channels.
Add flattening for BCM PCI gen5 switches.
Add support for inter-node NVLink communication
Add support for port fusion in NET/IB.
Add support for ReduceScatter and AllGather using Collnet.
Update net API to v8.
Fix hang during A2A connection.


[ROCm/rccl commit: b6475625fb]

projects/rccl/src/include/argcheck.h

@@ -12,5 +12,6 @@
 
 ncclResult_t PtrCheck(void* ptr, const char* opname, const char* ptrname);
 ncclResult_t ArgsCheck(struct ncclInfo* info);
+ncclResult_t CudaPtrCheck(const void* pointer, struct ncclComm* comm, const char* ptrname, const char* opname);
 
 #endif