v1.5.2

Features:

• Added support for OmniPath (using Verbs)

Bugfixes:

• Fix segfault when libuct.so is reloaded - issue #3558
• Fix ucx_info crash when printing configuration alias
• Fix static checker errors
• Fallback to ibv_create_cq() if ibv_create_cq_ex() returns ENOSYS

v1.6.0-rc2

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
• Fixing the wrong name of aliases
• Fix data race in UCP wireup
• Fix segfault when libuct.so is reloaded - issue #3558
• Include Java sources in distribution
• Handle EADDRNOTAVAIL in rdma_cm connection manager
• Disable ibcm on RHEL7+ by default
• Fix data race in UCP proxy endpoint
• Static checker fixes
• Fallback to ibv_create_cq() if ibv_create_cq_ex() returns ENOSYS

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

v1.5.2-rc3

Features:

• Added support for OmniPath (using Verbs)

Bugfixes:

• Fix segfault when libuct.so is reloaded - issue #3558
• Fix ucx_info crash when printing configuration alias
• Fix static checker errors
• Fallback to ibv_create_cq() if ibv_create_cq_ex() returns ENOSYS

v1.5.2-rc2

Features:

• Added support for OmniPath (using Verbs)

Bugfixes:

• Fix segfault when libuct.so is reloaded - issue #3558
• Fix ucx_info crash when printing configuration alias
• Fix static checker errors

v1.5.2-rc1

Bugfixes:

• Fix segfault when libuct.so is reloaded - issue #3558
• Fix ucx_info crash when printing configuration alias
• Fix static checker errors

v1.6.0-RC1

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

v1.5.1

Bugfixes:

• Fix dc_mlx5 transport support check for inbox libmlx5 drivers - issue #3301
• Fix compilation warnings with gcc9 and clang
• ROCm - reduce log level of device-not-found message

v1.5.1-RC1

Bugfixes:

• Fix dc_mlx5 transport support check for inbox libmlx5 drivers - issue #3301
• Fix compilation warnings with gcc9 and clang
• ROCm - reduce log level of device-not-found message

v1.5.0

Features:

• New emulation mode enabling full UCX functionality (Atomic, Put, Get)
  over TCP and RDMA-CORE interconnects which don't implement full RDMA semantics
• Non-blocking API for all one-sided operations. All blocking communication APIs marked
  as deprecated
• New client/server connection establishment API, which allows connected handover between workers
• Support for rdma-core direct-verbs (DEVX) and DC with mlx5 transports
• GPU - Support for stream API and receive side pipelining
• Malloc hooks using binary instrumentation instead of symbol override
• Statistics for UCT tag API
• GPU-to-Infiniband HCA affinity support based on locality/distance (PCIe)

Bugfixes:

• Fix overflow in RC/DC flush operations
• Update description in SPEC file and README
• Fix RoCE source port for dc_mlx5 flow control
• Improve ucx_info help message
• Fix segfault in UCP, due to int truncation in count_one_bits()
• Multiple other bugfixes (full list on github)

Tested configurations:

• InfiniBand: MLNX_OFED 4.4-4.5, distribution inbox drivers, rdma-core
• CUDA: gdrcopy 1.2, cuda 9.1.85
• XPMEM: 2.6.2
• KNEM: 1.1.2

v1.5.0 RC2

Features:

• New emulation mode enabling full UCX functionality (Atomic, Put, Get)
  over TCP and RDMA-CORE interconnects which don't implement full RDMA semantics
• Non-blocking API for all one-sided operations. All blocking communication APIs marked
  as deprecated
• New client/server connection establishment API, which allows connected handover between workers
• Support for rdma-core direct-verbs (DEVX) and DC with mlx5 transports
• GPU - Support for stream API and receive side pipelining
• Malloc hooks using binary instrumentation instead of symbol override
• Statistics for UCT tag API
• GPU-to-Infiniband HCA affinity support based on locality/distance (PCIe)

Bugfixes:

• Fix overflow in RC/DC flush operations
• Update description in SPEC file and README
• Fix RoCE source port for dc_mlx5 flow control
• Improve ucx_info help message
• Fix segfault in UCP, due to int truncation in count_one_bits()
• Multiple other bugfixes (full list on github)

Tested configurations:

• InfiniBand: MLNX_OFED 4.4-4.5, distribution inbox drivers, rdma-core
• CUDA: gdrcopy 1.2, cuda 9.1.85
• XPMEM: 2.6.2
• KNEM: 1.1.2
• Multiple bugfixes (full list on github)