v1.6.0-rc1

New Features and Enhancements

Core

• Added UCC_DEBUGGER_WAIT environment variable {PR #1130}

CL/HIER

• Fixed Wlto-type-mismatch {PR #1179}

TL/CUDA

• Fixed printing of device PCI id {PR #1053}
• Added NVLS improvements and bfloat16 data type support {PR #1162}
• Added NVLS barrier {PR #1180}
• Added Alltoall(v) copy engine {PR #1138}

TL/UCP

• Removed a debug print statement {PR #1177}
• Added knomial allgather with mapped buffers {PR #1176}
• Added node local id config {PR #1189}
• Enable knomial allgatherv {PR #1188}
• Added congestion avoidant onesided Alltoall {PR #1096}

Build and Test

• Added check to see if target exists in CMAKE {PR #1173}
• Fixed build with GCC 14 {PR #1190}
• Added gtest and mpi test for ucc_mem_map and ucc_mem_unmap {PR #1165}

Tools

• Updated perftest to print BusBW {PR #1186}
• Added support for onesided alltoall in perftest {PR #1194}