Denis Serenyi writes: > I don't think there will be a problem with releasing my source code. > That is, if it works and is truly a performance win :)
Cool! > There are some PDF docs available on Intel's web site that have sample > code for an SSE bcopy, and give performance results (in particular, > "Block Copy Using Pentium III Streaming SIMD Extensions"). It seems to > be about 60 - 80% faster than using MMX instructions. However, when you > use SSE to store data in the destination memory location, you bypass the > processor's caches. So, if you were to touch the data soon after the > bcopy, it is no win at all. Hey, that's great! The copies I care about are in situtations where the data is not touched until much later, so the normal copy is typically a big loose because it blows out the cache.. Good luck, Drew To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
