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[Proposal] RDMA weight streaming — eliminate per-node model storage for distributed inference

Status: Open.

#3208 In ml-explore/mlx;

· guruswami-ai opened on Mar 5, 2026

Guide: RDMA file transfer over Thunderbolt 5 with JACCL (3.5+ GB/s)

Status: Open.

#3207 In ml-explore/mlx;

· guruswami-ai opened on Mar 5, 2026

[Enhancement] Group.split() support for JACCL and Ring backends (parity with NCCL #3172)

Status: Open.

#3205 In ml-explore/mlx;

· N0xMare opened on Mar 5, 2026

[BUG] compile(shapeless=True): Reduce returns stale values on dynamically-shaped inputs from take/gather

Status: Open.

#3201 In ml-explore/mlx;

· ghstrider opened on Mar 4, 2026

[BUG] test_gather_qmm_sorted consistently fails in some aarch64-darwin environments

Status: Open.

#3200 In ml-explore/mlx;

· booxter opened on Mar 4, 2026

NA/M5 addmm / matmul on MPS ~10–20% slower than PyTorch for 1280×1280 BF16 (hurts Nano Chat training)

performance

Status: Open.

#3196 In ml-explore/mlx;

· Anemll opened on Mar 3, 2026

Kernel panic (IOGPUMemory.cpp:550) on M4 Max with large context prefill (~173K tokens)

Status: Open.

#3186 In ml-explore/mlx;

· kotono-amaha opened on Mar 1, 2026

Hardware Bottleneck: AppleThunderboltRDMA hard limit of 100 MRs caps JACCL multi-node scaling

Status: Open.

#3162 In ml-explore/mlx;

· adurham opened on Feb 24, 2026

[BUG] JACCL RDMA consecutive send/recv point-to-point with different shape produces wrong data or hangs.

Status: Open.

#3149 In ml-explore/mlx;

· dev-tb5-tester opened on Feb 19, 2026

Headless/no-GPU environments crash on MLX import (NSRangeException) instead of failing gracefully

enhancementNew feature or requestNew feature or request

Status: Open.

#3148 In ml-explore/mlx;

· jrp2014 opened on Feb 19, 2026

[BUG] GPU locking using METAL_FAST_SYNCH=1 and the JACCL backend

bugSomething isn't workingSomething isn't working

Status: Open.

#3142 In ml-explore/mlx;

· rltakashige opened on Feb 18, 2026

[BUG] Enable MLX to cleanly exit when used in a sub-thread

bugSomething isn't workingSomething isn't working

Status: Open.

#3126 In ml-explore/mlx;

· awni opened on Feb 13, 2026