Method DeallocateRaw

tensorflow/core/framework/ev_allocator.h:688–697

  }

  void DeallocateRaw(void* ptr) override {
    if (ev_allocator_collect_stats) {
      const std::size_t alloc_size = impl_.AllocatedSize(ptr);
      
      mutex_lock l(mu_);
      stats_.bytes_in_use -= alloc_size;
    }

    impl_.Deallocate(ptr);
  }

  absl::optional<AllocatorStats> GetStats() override {
    mutex_lock l(mu_);