message: Disable use of the new GpuVirtualMemAllocator in BfcAllocator.
  We've obsered some OOMing with the new allocator; will re-enable with a follow-up patch that resolves these issues.
diff: @@ -88,7 +88,9 @@ static SubAllocator* CreateSubAllocator(
  platform_gpu_id)
  .ValueOrDie();
  -#if defined(GOOGLE_CUDA) && CUDA_VERSION >= 10020
  + // FIXME(imintz): Observed OOM issues when using the virtual memory
  + // allocators. This should be reenabled when resolved.
  +#if 0 && defined(GOOGLE_CUDA) && CUDA_VERSION >= 10020
  // Use the old allocator when unified memory is required.
  // TODO(imintz): Remove the cuMemAlloc capability of this allocator.
  if (options.per_process_gpu_memory_fraction() > 1.0 ||
  