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[Feat] support HSDP for Flux family (#1900)

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Signed-off-by: Lancer <maruixiang6688@gmail.com>
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Lancer authored and GitHub committed 2026-03-15 22:48:12 +08:00
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docs/user_guide/diffusion/parallelism_acceleration.md
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@@ -24,22 +24,22 @@ The following table shows which models are currently supported by parallelism me
### ImageGen
| Model | Model Identifier | Ulysses-SP | Ring-SP | CFG-Parallel | Tensor-Parallel | VAE-Patch-Parallel | Expert-Parallel |
|--------------------------|--------------------------------------|:----------:|:-------:|:------------:|:---------------:|:------------------:|:---------------:|
| **LongCat-Image** | `meituan-longcat/LongCat-Image` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A |
| **LongCat-Image-Edit** | `meituan-longcat/LongCat-Image-Edit` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A |
| **Ovis-Image** | `OvisAI/Ovis-Image` | ❌ | ❌ | ❌ | ❌ | ❌ | N/A |
| **Qwen-Image** | `Qwen/Qwen-Image` | ✅ | ✅ | ✅ | ✅ | ✅ | N/A |
| **Qwen-Image-Edit** | `Qwen/Qwen-Image-Edit` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A |
| **Qwen-Image-Edit-2509** | `Qwen/Qwen-Image-Edit-2509` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A |
| **Qwen-Image-Layered** | `Qwen/Qwen-Image-Layered` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A |
| **Z-Image** | `Tongyi-MAI/Z-Image-Turbo` | ✅ | ✅ | ❌ | ✅ (TP=2 only) | ✅ | N/A |
| **Stable-Diffusion3.5** | `stabilityai/stable-diffusion-3.5` | ❌ | ❌ | ❌ | ✅ | ✅ | N/A |
| **FLUX.2-klein** | `black-forest-labs/FLUX.2-klein-4B` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A |
| **FLUX.1-dev** | `black-forest-labs/FLUX.1-dev` | ❌ | ❌ | ✅ | ✅ | ❌ | N/A |
| **FLUX.2-dev** | `black-forest-labs/FLUX.2-dev` | ❌ | ❌ | ❌ | ✅ | ❌ | N/A |
| **HunyuanImage3.0** | `tencent/HunyuanImage-3.0`, `tencent/HunyuanImage-3.0-Instruct` | ❌ | ❌ | ❌ | ✅ | ❌ | ✅ |
| **DreamID-Omni** | `XuGuo699/DreamID-Omni` | ❌ | ❌ | ✅ | ❌ | ❌ | N/A |
| Model | Model Identifier | Ulysses-SP | Ring-SP | CFG-Parallel | Tensor-Parallel | VAE-Patch-Parallel | Expert-Parallel | HSDP |
|--------------------------|--------------------------------------|:----------:|:-------:|:------------:|:---------------:|:------------------:|:---------------:|:----:|
| **LongCat-Image** | `meituan-longcat/LongCat-Image` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A | ❌ |
| **LongCat-Image-Edit** | `meituan-longcat/LongCat-Image-Edit` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A | ❌ |
| **Ovis-Image** | `OvisAI/Ovis-Image` | ❌ | ❌ | ❌ | ❌ | ❌ | N/A | ❌ |
| **Qwen-Image** | `Qwen/Qwen-Image` | ✅ | ✅ | ✅ | ✅ | ✅ | N/A | ❌ |
| **Qwen-Image-Edit** | `Qwen/Qwen-Image-Edit` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A | ❌ |
| **Qwen-Image-Edit-2509** | `Qwen/Qwen-Image-Edit-2509` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A | ❌ |
| **Qwen-Image-Layered** | `Qwen/Qwen-Image-Layered` | ✅ | ✅ | ✅ | ✅ | ❌ | N/A | ❌ |
| **Z-Image** | `Tongyi-MAI/Z-Image-Turbo` | ✅ | ✅ | ❌ | ✅ (TP=2 only) | ✅ | N/A | ❌ |
| **Stable-Diffusion3.5** | `stabilityai/stable-diffusion-3.5` | ❌ | ❌ | ❌ | ✅ | ✅ | N/A | ❌ |
| **FLUX.2-klein** | `black-forest-labs/FLUX.2-klein-4B` | ✅ | ✅ | ❌ | ✅ | ❌ | N/A | ✅ |
| **FLUX.1-dev** | `black-forest-labs/FLUX.1-dev` | ❌ | ❌ | ✅ | ✅ | ❌ | N/A | ✅ |
| **FLUX.2-dev** | `black-forest-labs/FLUX.2-dev` | ❌ | ❌ | ❌ | ✅ | ❌ | N/A | ✅ |
| **HunyuanImage3.0** | `tencent/HunyuanImage-3.0`, `tencent/HunyuanImage-3.0-Instruct` | ❌ | ❌ | ❌ | ✅ | ❌ | ✅ | ❌ |
| **DreamID-Omni** | `XuGuo699/DreamID-Omni` | ❌ | ❌ | ✅ | ❌ | ❌ | N/A | ❌ |
!!! note "TP Limitations for Diffusion Models"
We currently implement Tensor Parallelism (TP) only for the DiT (Diffusion Transformer) blocks. This is because the `text_encoder` component in vLLM-Omni uses the original Transformers implementation, which does not yet support TP.