Enhanced XPU Dockerfiles: Optimized Environment Variables and Documentation (#11506)

* Added SYCL_CACHE_PERSISTENT=1 to xpu Dockerfile

* Update the document to add explanations for environment variables.

* update quickstart

docker/llm/finetune/xpu/Dockerfile

@@ -4,6 +4,9 @@ ARG https_proxy
 ENV TZ=Asia/Shanghai
 ARG PIP_NO_CACHE_DIR=false
 
+# When cache is enabled SYCL runtime will try to cache and reuse JIT-compiled binaries. 
+ENV SYCL_CACHE_PERSISTENT=1
+
 # retrive oneapi repo public key
 RUN wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB | gpg --dearmor | tee /usr/share/keyrings/intel-oneapi-archive-keyring.gpg > /dev/null && \
     echo "deb [signed-by=/usr/share/keyrings/intel-oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main " | tee /etc/apt/sources.list.d/oneAPI.list && \

docker/llm/inference-cpp/Dockerfile

@@ -6,6 +6,9 @@ ARG https_proxy
 ENV TZ=Asia/Shanghai
 ENV PYTHONUNBUFFERED=1
 
+# When cache is enabled SYCL runtime will try to cache and reuse JIT-compiled binaries. 
+ENV SYCL_CACHE_PERSISTENT=1
+
 # Disable pip's cache behavior
 ARG PIP_NO_CACHE_DIR=false
 

docker/llm/inference/xpu/docker/Dockerfile

@@ -5,8 +5,9 @@ ARG https_proxy
 
 ENV TZ=Asia/Shanghai
 ENV PYTHONUNBUFFERED=1
-ENV USE_XETLA=OFF
+
-ENV SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1
+# When cache is enabled SYCL runtime will try to cache and reuse JIT-compiled binaries. 
+ENV SYCL_CACHE_PERSISTENT=1
 
 COPY chat.py /llm/chat.py
 COPY benchmark.sh /llm/benchmark.sh

docs/mddocs/DockerGuides/docker_pytorch_inference_gpu.md

@@ -78,6 +78,32 @@ root@arda-arc12:/# sycl-ls
 > bash env-check.sh
 > ```
 
+> [!NOTE]
+> For optimal performance, it is recommended to set several environment variables according to your hardware environment.
+> 
+> ```bash
+> # Disable code related to XETLA; only Intel Data Center GPU Max Series supports XETLA, so non-Max machines should set this to OFF.
+> # Recommended for use on Intel Arc™ A-Series Graphics and Intel Data Center GPU Flex Series.
+> export USE_XETLA=OFF
+> 
+> # Enable immediate command lists mode for the Level Zero plugin. Improves performance on Intel Arc™ A-Series Graphics and Intel Data Center GPU Max Series; however, it depends on the Linux Kernel, and some Linux kernels may not necessarily provide acceleration.
+> # Recommended for use on Intel Arc™ A-Series Graphics and Intel Data Center GPU Max Series, but it depends on the Linux kernel, Non-i915 kernel drivers may cause performance regressions.
+> export SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1
+> 
+> # Controls persistent device compiled code cache. Set to '1' to turn on and '0' to turn off.
+> # Recommended for all hardware environments. This environment variable is already set by default in Docker images.
+> export SYCL_CACHE_PERSISTENT=1
+> 
+> # Reduce memory accesses by fusing SDP ops.
+> # Recommended for use on Intel Data Center GPU Max Series.
+> export ENABLE_SDP_FUSION=1
+> 
+> # Disable XMX computation.
+> # Recommended for use on integrated GPUs.
+> export BIGDL_LLM_XMX_DISABLED=1
+> ```
+
+
 ## Run Inference Benchmark 
 
 Navigate to benchmark directory, and modify the `config.yaml` under the `all-in-one` folder for benchmark configurations.