llvm

9bf6c315 - [SYCL][Graph] Add SYCL_GRAPH_FORCE_NATIVE_RECORDING environment variable (#22053)

[SYCL][Graph] Add SYCL_GRAPH_FORCE_NATIVE_RECORDING environment variable (#22053) # Summary Adds the runtime environment variable **`SYCL_GRAPH_FORCE_NATIVE_RECORDING`**. When the value is **`1`**, every `command_graph` is created as if **`property::graph::enable_native_recording`** was present in the property list—**no application source changes**. | Area | Change | | :--- | :--- | | **Runtime** | Value read once via `SYCLConfig` (same pattern as other SYCL config env vars) | | **Documentation** | Described in `sycl/doc/EnvironmentVariables.md` | --- # Motivation Native graph recording is currently enabled only by passing **`property::graph::enable_native_recording`** at graph construction. That is sufficient for **SYCL Graph** tests, but it does **not** work well for **high-level, end-to-end** evaluation—for example **vLLM**, **SGLang**, and similar serving stacks—where: - SYCL graphs are created **deep inside** the framework, and - there is **no practical path** to propagate a SYCL graph property (or framework-specific flags) through every layer. --- # Usage | Variable | Value | Effect | | :--- | :---: | :--- | | `SYCL_GRAPH_FORCE_NATIVE_RECORDING` | `1` | **Force** native recording on all `command_graph` instances | | `SYCL_GRAPH_FORCE_NATIVE_RECORDING` | unset / not `1` | **Default**: native recording only when `enable_native_recording` is set in code | **Example (shell):** `export SYCL_GRAPH_FORCE_NATIVE_RECORDING=1` then run your workload (e.g. vLLM / SGLang).