Intel OpenCL Intercept Layer

The OpenCL Intercept Layer is a tool from Intel that can provide profiling information about kernel execution and OpenCL host API calls.

Generate a timeline

Example usage is shown below. The results are placed in a file in ~/CLIntercept_Dump.

module load intel/opencl-intercept-layer/39e6f56
LD_PRELOAD=/nfs/software/x86_64/intel/opencl-intercept-layer/lib64/ CLI_ChromeCallLogging=1 CLI_ChromePerformanceTiming=1 CLI_DllName=/nfs/software/x86_64/cuda/10.1/lib64/ ./a.out

To view the timeline, open Chrome locally and nativate to chrome://tracing/ then load the generated .json file.