[Kernel][Quantization] add w4a8 support for marlin kernel (#24722)

Signed-off-by: Jinzhen Lin <jinzhen.ljz@antgroup.com> Signed-off-by: Michael Goin <mgoin64@gmail.com> Signed-off-by: Jinzhen Lin <linjinzhen@hotmail.com> Co-authored-by: Michael Goin <mgoin64@gmail.com> Co-authored-by: Michael Goin <mgoin@redhat.com>

[Kernel][Quantization] add w4a8 support for marlin kernel (#24722)
Signed-off-by: Jinzhen Lin <jinzhen.ljz@antgroup.com> Signed-off-by: Michael Goin <mgoin64@gmail.com> Signed-off-by: Jinzhen Lin <linjinzhen@hotmail.com> Co-authored-by: Michael Goin <mgoin64@gmail.com> Co-authored-by: Michael Goin <mgoin@redhat.com>
1656ad37 · Jinzhen Lin · GitHub · fa59fe41 · 1656ad37 · 1656ad37
Unverified Commit 1656ad37 authored Nov 29, 2025 by Jinzhen Lin Committed by GitHub Nov 29, 2025
6 changed files
--- a/vllm/model_executor/layers/quantization/modelopt.py
+++ b/vllm/model_executor/layers/quantization/modelopt.py
--- a/vllm/model_executor/layers/quantization/mxfp4.py
+++ b/vllm/model_executor/layers/quantization/mxfp4.py
--- a/vllm/model_executor/layers/quantization/utils/marlin_utils.py
+++ b/vllm/model_executor/layers/quantization/utils/marlin_utils.py
--- a/vllm/model_executor/layers/quantization/utils/marlin_utils_fp4.py
+++ b/vllm/model_executor/layers/quantization/utils/marlin_utils_fp4.py
--- a/vllm/model_executor/layers/quantization/utils/marlin_utils_fp8.py
+++ b/vllm/model_executor/layers/quantization/utils/marlin_utils_fp8.py
--- a/vllm/model_executor/layers/quantization/utils/marlin_utils_test.py
+++ b/vllm/model_executor/layers/quantization/utils/marlin_utils_test.py