Function gpu_clearCache

quest/src/gpu/gpu_config.cpp:710–725

void gpu_clearCache() {
#if COMPILE_CUDA

    // do not interfere with existing kernels using the cache
    gpu_sync();

    // cudaFree on nullptr is fine
    CUDA_CHECK( cudaFree(gpuCache) );

    gpuCache = nullptr;
    gpuCacheLen = 0;

#else
    error_gpuCacheModifiedButGpuNotCompiled();
#endif
}


size_t gpu_getCacheMemoryInBytes() {