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[Model][Perf] Optimize LTX Ulysses sequence parallelism (#7079)

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Signed-off-by: mglyn <1203789601@qq.com>
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Mu GuanLin authored and GitHub committed 2026-09-07 10:48:26 +00:00
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docs/user_guide/diffusion_features.md
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@@ -162,9 +162,9 @@ The following tables show which models support each feature:
| **Wan2.2** | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ (encode/decode) | ❌ | ❌ |
| **Wan2.2-S2V** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (encode/decode) | ❌ | ❌ |
| **Wan2.1-VACE** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (decode) | ❌ | ❌ |
| **LTX-2** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (decode) | ❌ | ❌ |
| **LTX-2.3** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (decode) | ❌ | ❌ |
| **LTX-2.5** | ❌ | ❓ (one-stage) | ❓ (Ulysses only) | ✅ (Full only) | ❓ | ❌ | ✅ | ✅ | ✅ (decode) | ❓ (FP8) | ❌ |
| **LTX-2** | ❌ | ✅ | ✅ (Ulysses only) | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (decode) | ❌ | ❌ |
| **LTX-2.3** | ❌ | ✅ | ✅ (Ulysses only) | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (decode) | ❌ | ❌ |
| **LTX-2.5** | ❌ | ❓ (one-stage) | ✅* (Ulysses only) | ✅ (Full only) | ❓ | ❌ | ✅ | ✅ | ✅ (decode) | ❓ (FP8) | ❌ |
| **SANA-Video-2B T2V I2V** | ❌ | ❌ | ✅ (`--usp`, frame-sharded) | ✅ | ✅ (TP=2 only) | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| **Helios** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ✅* |
| **HunyuanVideo-1.5 T2V I2V** | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ (encode/decode) | ✅ | ❌ |