Issues

• SIGABRT inside gloo::transport::tcp::Address::fromPeerName(int)

  pytorch/gloo#514 · Filter by author lirui238 opened on Jun 26, 2026

• TCP transport: include rank information in send/recv timeout error messages

  pytorch/gloo#511 · Filter by author d4l3k opened on Jun 18, 2026
  

• Undefined GLOO_USE_ROCM error together with HIP

  pytorch/gloo#506 · Filter by author geraldog opened on May 26, 2026
  7

  

• Gloo won't compile on Alpine Linux, and how to fix it.

  pytorch/gloo#501 · Filter by author CVFA opened on Apr 11, 2026

• BUG: SHM support does not compile on Arm64

  pytorch/gloo#486 · Filter by author nlbrown2 opened on Feb 4, 2026

• [BUG] Does ibverbs transport support transferring large volumes of data？

  pytorch/gloo#474 · Filter by author irexyc opened on Dec 5, 2025
  1

• TCP Backend for "All Gather" experiences lower bandwidth for WORLD_SIZE=2

  pytorch/gloo#471 · Filter by author Dogacel opened on Oct 18, 2025

• hi， I want to know the performance benchmark about gloo with nccl

  pytorch/gloo#464 · Filter by author mullerhai opened on Aug 29, 2025
  2

• [RFC] Async Gloo APIs

  pytorch/gloo#463 · Filter by author nlbrown2 opened on Aug 20, 2025
  3

• Disabling Gloo logging regarding ranks

  pytorch/gloo#462 · Filter by author SKPsanjeevi opened on Aug 12, 2025
  1

• [RFC] Intra-node shared memory (SHM) optimizations for communication operators on CPUs

  pytorch/gloo#455 · Filter by author jianan-gu opened on Jul 11, 2025
  6

• Bfloat16 datatype not support in gloo.

  pytorch/gloo#454 · Filter by author gaopengff opened on Jul 7, 2025

• [Question] Is it safe to statically link multiple copies of gloo in a program ?

  pytorch/gloo#453 · Filter by author torshie opened on Jul 2, 2025

• Connection timeout in custom test using UnboundBuffer with TCP_LAZY transport

  pytorch/gloo#444 · Filter by author piotrchmiel opened on May 16, 2025

• Bug Report: BarrierNewTest fails with TCP_LAZY transport after using additional context

  pytorch/gloo#443 · Filter by author piotrchmiel opened on May 16, 2025

• Trying to understand why IBVerbs transport performs badly

  pytorch/gloo#436 · Filter by author jinsun-yoo opened on May 6, 2025

• remove Buffer in favor of UnboundBuffer

  enhancementhelp wanted
  pytorch/gloo#432 · Filter by author d4l3k opened on Apr 25, 2025
  1

• Conflicting comments and enforcement conditions in transport/tcp/buffer.cc

  pytorch/gloo#421 · Filter by author l6l opened on Mar 17, 2025

• How to specify ai_family explicitly

  pytorch/gloo#399 · Filter by author NEWPLAN opened on Dec 4, 2024
  1

• Communication error between Win11 and Ubantu using gloo

  pytorch/gloo#386 · Filter by author soundmemories opened on Jul 26, 2024
  1

• [Question] Gloo with Libfabric

  pytorch/gloo#385 · Filter by author niyazmurshed opened on Jul 1, 2024
  1

• [question] Why there is no support for communicating between Linux and Macos

  pytorch/gloo#383 · Filter by author xuanhua opened on Apr 30, 2024

• Enable easier configuration of installation paths

  pytorch/gloo#369 · Filter by author bkmgit opened on Sep 29, 2023

• reduce_scatter on MacOS issue

  pytorch/gloo#365 · Filter by author ChengjieLi28 opened on Jul 10, 2023

• Support building with OpenSSL 3.x

  pytorch/gloo#358 · Filter by author geofft opened on May 8, 2023
  2