v1.3.0-rc1

1.3.0 (TBD)

New Features and Enhancements

CL/HIER

• Disable onesided alltoallv {PR #875}

TL/CUDA

• Initialize remote CUDA scratch to NULL {PR #911}

TL/UCP

• Enable hybrid alltoallv {PR #781}
• Avoid copy in knomial scatter {PR #771}
• Enable reorder ranks to reduce_scatter, Knomial Allreduce, Ring Allgather/v {PR #819}
• Remove memcpy in last SRA step {PR #743}
• Fix sparse pack in hybrid a2av {PR #825}
• Fix recycle in hybrid a2av {PR #827}
• Reorder ranks for SRA {PR #834}
• Use ring allgather when reordering needed {PR #879}
• Use pipelining in SRA allreduce for CUDA {PR #873}
• Poll for onesided alltoall completion {PR #876}
• Add support for non-host buffers in bruck alltoall {PR #852}
• Added Neighbor Exchange Allgather{PR #822}

TL/SHARP

• Enable bcast for any predefined dt {PR #774}
• Don't print team create error {PR #777}
• Check datasize supported {PR #776}
• Fix sharp context cleanup {PR #843}

API

• Remove duplicate get_version_string {PR #933}

TL/NCCL

• Make team init non-blocking {PR #772}
• Add CUDA managed to score {PR #793}
• Make ncclGroupEnd nb {PR #798}
• Lazy init nccl comm {PR #851}

TL/MLX5

• Share ib_ctx and pd {PR #749}
• Rcache {PR #753}
• Device memory and topo init {PR #780}
• Adding mcast interface {PR #784}
• A2A part 1 -- coll init {PR #790}
• A2A part 2 -- full collective {PR #802}
• Revisit team and ctx init {PR #815}
• Fix context create hang {PR #887}
• Add librdmacm linkage {PR #910}

CORE

• Fix score update when only score given {PR #779}
• Coverity fixes {PR #809}
• Additional coverty fixes {PR #813}
• Fix error handling for ctx create epilog {PR #818}
• Skip zero size collectives {PR #787}

DOCS

• Updating NEWS for v1.2 {PR #791}

TEST

• Check op and dt compatibility {PR #773}
• Fix barrier test {PR #799}
• Propagate HIP_CXXFLAGS to gtest and mpi {PR #803}