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[Perf] diffusion: Shard LTX-2 stage 2 over the CFG ranks as Ulysses - #45965

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mickqian merged 3 commits into

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mick/diffusion-ltx2-stage2-sp-over-cfg

Oct 24, 2026

Merged

[Perf] diffusion: Shard LTX-2 stage 2 over the CFG ranks as Ulysses#45965
mickqian merged 3 commits into
mainfrom
mick/diffusion-ltx2-stage2-sp-over-cfg

Commits on Oct 23, 2026
- [Perf] diffusion: shard LTX-2 stage 2 over the CFG ranks as Ulysses
  
  mickqian
  and
  claude
  committed
  b95d314
- [Test] diffusion: Run the SP-over-CFG unit test's gloo ranks with the GPUs hidden
  
  mickqian
  and
  claude
  committed
  9142966
- [Perf] diffusion: Shard LTX-2 stage 2 over the CFG ranks only when it is long enough
  
  mickqian
  and
  claude
  committed
  2e4a562