Skip to content

v1.22.0-rc2

Pre-release
Pre-release

Choose a tag to compare

View all tags
@shasson5 shasson5 released this 16 Jul 20:19
v1.22.0-rc2
96e58a1
This commit was created on GitHub.com and signed with GitHub’s verified signature.
GPG key ID: B5690EEEBB952194
Verified
Learn about vigilant mode.

1.22.0-rc2 (July 16, 2026)

Features:

UCP

  • Added transport and wireup debugging table dumps during context and endpoint creation
  • Set four rails by default for Vera platforms

CUDA

  • Added POSIX file descriptor handle support for same-machine CUDA VMM IPC
  • Added support for CUDA device aliasing with MPS MLOPart

RDMA CORE (IB, ROCE, etc.)

  • Enabled relaxed ordering by default for Vera CPU platforms

UCM

  • Propagated memory attributes in allocation events

Build

  • Added configure option to append a SONAME suffix

Bugfixes:

UCP

  • Fixed rendezvous remote-memory flag estimation from rkey memory-domain maps
  • Disabled RMA rendezvous protocols on non-Vera platforms
  • Fixed active-message lane selection to preserve latency priority

CUDA

  • Fixed CUDA copy memory-flag detection with active CUDA contexts

RDMA CORE (IB, ROCE, etc.)

  • Fixed Direct NIC sibling matching when HCAs have no active ports
  • Fixed DONT_FORK handling for kernels that support RDMA copy-on-fork
  • Fixed GGA MMO fence ordering
  • Restricted EMR relaxed ordering to device memory
Assets 31
Loading