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@yosefe yosefe released this 09 Apr 21:42
· 37 commits to v1.3.x since this release
v1.3.0
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Learn about vigilant mode.

Features:

  • Added stream-based communication API to UCP
  • Added support for GPU platforms: Nvidia CUDA and AMD ROCM software stacks
  • Added API for client/server based connection establishment
  • Added support for TCP transport
  • Support for InfiniBand tag-matching offload for DC and accelerated transports
  • Multi-rail support for eager and rendezvous protocols
  • Added support for tag-matching communications with CUDA buffers
  • Added ucp_rkey_ptr() to obtain pointer for shared memory region
  • Avoid progress overhead on unused transports
  • Improved scalability of software tag-matching by using a hash table
  • Added transparent huge-pages allocator
  • Added non-blocking flush and disconnect for UCP
  • Support fixed-address memory allocation via ucp_mem_map()
  • Added ucp_tag_send_nbr() API to avoid send request allocation
  • Support global addressing in all IB transports
  • Add support for external epoll fd and edge-triggered events
  • Added registration cache for knem
  • Initial support for Java bindings

Bugfixes:

  • Multiple bugfixes (full list on githib)

Bugfixes since RC1:

  • Fix flow control for DC transport
  • Fix compilation issue with mlx5 on ARM
  • Disable GDR-copy when ODP is used
  • Fixes for gcc8 compilation
  • Fix missing initialization of rndv_send_nbr thresholds
  • Fix mlx5 srq cleanup
  • Fix ep info print when there is no wireup lane
  • Optimize ugni locking

Tested configurations:

  • InfiniBand: MLNX_OFED 4.2, inbox OFED drivers.
  • CUDA: gdrcopy 1.2, cuda 9.1.85
  • XPMEM: 2.6.2
  • KNEM: 1.1.2

Known issues:
#2047 - UCP: ucp_do_am_bcopy_multi drops data on UCS_ERROR_NO_RESOURCE
#2047 - failure in ud/uct_flush_test.am_zcopy_flush_ep_nb/1
#1977 - failure in shm/test_ucp_rma.blocking_small/0
#1926 - Timeout in mpi_test_suite with HW TM

Assets 3
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