fix aiter

Dockerfile

@@ -1,12 +1,29 @@
 FROM lmsysorg/sglang-rocm:v0.5.10rc0-rocm700-mi30x-20260411
 
-# Replace the vllm binary with our shim so no matter how the
-# production stack invokes vllm, we intercept it
+# ---------------------------------------------------------------
+# Fix aiter — try pip upgrade first, fall back to source build
+# ---------------------------------------------------------------
+RUN pip install --upgrade aiter || \
+    ( \
+      echo "=== pip upgrade failed, building aiter from source ===" && \
+      pip uninstall -y aiter || true && \
+      pip install psutil pybind11 flydsl==0.0.1.dev95158637 && \
+      git clone --recursive https://github.com/ROCm/aiter.git /tmp/aiter && \
+      cd /tmp/aiter && \
+      git checkout v0.1.11.post1 && \
+      git submodule sync && \
+      git submodule update --init --recursive && \
+      PREBUILD_KERNELS=1 GPU_ARCHS=gfx942 python3 setup.py install && \
+      cd / && rm -rf /tmp/aiter \
+    )
+
+# ---------------------------------------------------------------
+# Replace the vllm binary with our shim
+# ---------------------------------------------------------------
 COPY vllm-shim.sh /usr/local/bin/vllm
 RUN chmod +x /usr/local/bin/vllm
 
-# Also handle `python -m vllm.entrypoints.openai.api_server` and
-# `python -m vllm.entrypoints.cli.main` by shadowing the vllm package
+# Shadow `python -m vllm.*` invocations
 RUN mkdir -p /opt/vllm-shim/vllm/entrypoints/openai \
              /opt/vllm-shim/vllm/entrypoints/cli
 COPY vllm_shim_module.py /opt/vllm-shim/vllm/__main__.py
@@ -17,9 +34,12 @@ RUN touch /opt/vllm-shim/vllm/__init__.py \
           /opt/vllm-shim/vllm/entrypoints/openai/__init__.py \
           /opt/vllm-shim/vllm/entrypoints/cli/__init__.py
 
-# Prepend shim to PYTHONPATH so it shadows any real vllm install
 ENV PYTHONPATH="/opt/vllm-shim:${PYTHONPATH}"
 
+# ---------------------------------------------------------------
+# MI300X tuning
+# ---------------------------------------------------------------
 ENV HIP_FORCE_DEV_KERNARG=1
 ENV NCCL_MIN_NCHANNELS=112
-ENV GPU_MAX_HW_QUEUES=2
+ENV GPU_MAX_HW_QUEUES=2
+ENV SGLANG_USE_AITER=1