On Mon, Feb 15, 2010 at 7:42 PM, bill lam <[email protected]> wrote:
> . . . Given the large memory cache available in modern > computer, it is better to just keep memory reference locality. The > speed of transfer of data using socket would be slower than that > within cache by at least 2 order of magnitude, just wild guess. . . . > > This touches on a question I have been wondering about. Is the cache shared among multiple cores or does each one have its own cache? I would be surprised if it is shared as that could result in a big performance hit if there are lots of cores. If the cache is private to each core then somehow the data has to be moved from one cache to another. Main memory? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
