Function gpu_getCurrentAvailableMemoryInBytes

quest/src/gpu/gpu_config.cpp:258–274

size_t gpu_getCurrentAvailableMemoryInBytes() {
#if COMPILE_CUDA
    assert_gpuHasBeenBound(hasGpuBeenBound);

    // note that in distributed settings, all GPUs
    // are being simultaneously queried, and it is
    // possible their values differ per-node

    size_t free, total;
    CUDA_CHECK( cudaMemGetInfo(&free, &total) );
    return free;

#else
    error_gpuQueriedButGpuNotCompiled();
    return 0;
#endif
}


size_t gpu_getTotalMemoryInBytes() {