}
  DeviceMemoryBase Allocate(uint64 size) {
    return Allocate(size, /*memory_space=*/0);
  }

  void Deallocate(DeviceMemoryBase* mem) override {
    SP_DeviceMemoryBase device_memory_base = DeviceMemoryBaseToC(mem);
    stream_executor_->deallocate(&device_, &device_memory_base);
  }

  absl::StatusOr<std::unique_ptr<MemoryAllocation>> HostMemoryAllocate(
      uint64 size) override {

		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}
		reader = etag.Wrap(encReader, reader)

		wantSize := int64(-1)
		if length >= 0 {
			info := ObjectInfo{Size: length}
			wantSize = info.EncryptedSize()
		}

		srcInfo.Reader, err = hash.NewReader(ctx, reader, wantSize, "", "", actualPartSize)
		if err != nil {