Int8 Quantization Support for DiT (Z-Image & Qwen-Image) (#1470)

Signed-off-by: juboyu <767868009@qq.com>
Signed-off-by: JuboYu <767868009@qq.com>
Signed-off-by: Alicia <115451386+congw729@users.noreply.github.com>
Co-authored-by: Alicia <115451386+congw729@users.noreply.github.com>
Co-authored-by: WeiQing Chen <40507679+david6666666@users.noreply.github.com>
This commit is contained in:
authored and GitHub committed 2026-03-19 22:58:29 +08:00
1 parent 0239057cba
commit b766c4702c
10 files changed
+1062 -17

No files matched your search

@@ -7,12 +7,20 @@ vLLM-Omni supports quantization of DiT linear layers to reduce memory usage and
| Method | Guide |
|--------|-------|
| FP8 | [FP8](fp8.md) |
| Int8 | [Int8](int8.md) |
| GGUF | [GGUF](gguf.md) |
## Device Compatibility
## Device Compatibility for FP8
| GPU Generation | Example GPUs | FP8 Mode |
|---------------|-------------------|----------|
| Ada/Hopper (SM 89+) | RTX 4090, H100, H200 | Full W8A8 with native hardware |
Kernel selection is automatic.
## Device Compatibility for Int8
| Device Type | Generation | Example | Int8 Mode |
|-------------|---------------|-------------------|----------|
| NVIDIA GPU | Ada/Hopper (SM 89+) | RTX 4090, H100, H200 | Full W8A8 with native hardware |
| Ascend NPU | Atlas A2/Atlas A3 | Atlas 800T A2/Atlas 900 A3 | Full W8A8 with native hardware |