# Frequently asked questions (Level Zero) For general questions, see the [main FAQ](https://github.com/intel/compute-runtime/blob/master/FAQ.md). ## Feature: l0_cache Mechanism to cache binary representations of GPU kernels passed to zeModuleCreate(), to avoid compilation overheads in subsequent calls. Please see more information in https://github.com/intel/compute-runtime/blob/master/opencl/doc/FAQ.md#feature-cl_cache. To enable it, please create a *l0_cache* directory in the working directory.