On Sun, May 19, 2002 at 08:01:57PM -0400, Albert D. Cahalan wrote: > Daniel Jacobowitz writes: > > On Sun, May 19, 2002 at 07:44:35PM -0400, Albert D. Cahalan wrote: > > >> The cache manipulation instructions are nice. > >> Even w/o the extra AltiVec ones, you can do a > >> lot with 32-byte chunks of memory. > > > > If you're willing to assume the cacheline size, which > > varies between existing PowerPC implementations. > > Given this: > > 1. not AltiVec or that 8xxx vector thing > 2. fast enough to decode a DVD (7xx, not 6xx) > 3. not 64-bit > 4. has video hardware > > Where is it not 32 bytes per cacheline?
I was under the impression that the 4xx line were perfect matches: take PCI video, no vector hardware, definitely 32-bit, quite fast. I might be mistaken about the line size on those, though. -- Daniel Jacobowitz Carnegie Mellon University MontaVista Software Debian GNU/Linux Developer -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
