[lkml]   [2003]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: Minutes from Feb 21 LSE Call
    On Sun, 2003-02-23 at 20:50, Martin J. Bligh wrote:
    > >> And the baroque instruction encoding on the x86 is actually a _good_
    > >> thing: it's a rather dense encoding, which means that you win on icache.
    > >> It's a bit hard to decode, but who cares? Existing chips do well at
    > >> decoding, and thanks to the icache win they tend to perform better - and
    > >> they load faster too (which is important - you can make your CPU have
    > >> big caches, but _nothing_ saves you from the cold-cache costs).
    > >
    > > Next step: hardware gzip ?
    > They did that already ... IBM were demonstrating such a thing a couple of
    > years ago. Don't see it helping with icache though, as it unpacks between
    > memory and the processory, IIRC.

    I saw the L2/L3 compressed cache thing, and I thought "doh!", and I watched and
    I've not seen it for a long time. What happened to it ?

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:33    [W:0.019 / U:0.464 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site