[Kernel] Update DeepGEMM to latest commit (#23915)

Signed-off-by: Jee Jee Li <pandaleefree@gmail.com>
Co-authored-by: Wentao Ye <44945378+yewentao256@users.noreply.github.com>

docker/Dockerfile

@@ -432,11 +432,10 @@ RUN --mount=type=cache,target=/root/.cache/uv \
         --extra-index-url ${PYTORCH_CUDA_INDEX_BASE_URL}/cu$(echo $CUDA_VERSION | cut -d. -f1,2 | tr -d '.')
 
 # Install DeepGEMM from source
-ARG DEEPGEMM_GIT_REF="7b6b5563b9d4c1ae07ffbce7f78ad3ac9204827c"
+ARG DEEPGEMM_GIT_REF
 COPY tools/install_deepgemm.sh /tmp/install_deepgemm.sh
 RUN --mount=type=cache,target=/root/.cache/uv \
-    VLLM_DOCKER_BUILD_CONTEXT=1 /tmp/install_deepgemm.sh --cuda-version "${CUDA_VERSION}" --ref "${DEEPGEMM_GIT_REF}" \
-    && rm /tmp/install_deepgemm.sh
+    VLLM_DOCKER_BUILD_CONTEXT=1 /tmp/install_deepgemm.sh --cuda-version "${CUDA_VERSION}" ${DEEPGEMM_GIT_REF:+--ref "$DEEPGEMM_GIT_REF"} 
 
 # Install EP kernels(pplx-kernels and DeepEP), NixL
 COPY tools/ep_kernels/install_python_libraries.sh install_python_libraries.sh

tools/install_deepgemm.sh

@@ -6,7 +6,7 @@ set -e
 
 # Default values
 DEEPGEMM_GIT_REPO="https://github.com/deepseek-ai/DeepGEMM.git"
-DEEPGEMM_GIT_REF="7b6b5563b9d4c1ae07ffbce7f78ad3ac9204827c"
+DEEPGEMM_GIT_REF="ea9c5d9270226c5dd7a577c212e9ea385f6ef048"
 
 # Parse command line arguments
 while [[ $# -gt 0 ]]; do