Features:
- Modular architecture for UCT transports
- ROCm transport re-design: support for managed memory, direct copy, ROCm GDR
- Random scheduling policy for DC transport
- Optimized out-of-box settings for multi-rail
- Added support for OmniPath (using Verbs)
- Support for PCI atomics with IB transports
- Reduced UCP address size for homogeneous environments
Bugfixes:
- Multiple stability and performance improvements in TCP transport
- Multiple stability fixed in Verbs and MLX5 transports
- Multiple stability fixes in UCM memory hooks
- Multiple stability fixes in UGNI transport
- RPM Spec file cleanup
- Fixing compilation issues with most recent clang and gcc compilers
Tested configurations:
- RDMA: MLNX_OFED 4.5, distribution inbox drivers, rdma-core 22.1
- CUDA: gdrcopy 1.3.2, cuda 9.2, ROCm 2.2
- XPMEM: 2.6.2
- KNEM: 1.1.3