Use thread_local in GetGlobalRuntimeDeviceTracker
It will reduce the cost of getting the thread runtime device tracker, and will have a better runtime overhead if user constructs a lot of short lived threads that use VTK-m.
Close #253 (closed)
It will reduce the cost of getting the thread runtime device tracker, and will have a better runtime overhead if user constructs a lot of short lived threads that use VTK-m.
Close #253 (closed)