On Monday, 26 December 2011 at 17:37:17 UTC, Piotr Szturmaj wrote:
Yes. Here are the results: http://pastebin.com/rD8kiaQy. This is observed only with Windows DMD.
I'd be more interested in seeing the code.I've done some more research on this. In release builds, DMD on Windows emits a memcpy call for a slice copy. However, the auto-generated memcpy call has slightly less overhead (register/stack shuffling) than a manual memcpy call, which explains the performance difference I was seeing.
