Re: mmap() is slower than read() on SCSI/IDE on 2.0 and 2.1

Stephen C. Tweedie (sct@redhat.com)
Fri, 18 Dec 1998 15:51:03 GMT


Hi,

On Thu, 17 Dec 1998 19:37:05 +0100 (CET), Rik van Riel
<H.H.vanRiel@phys.uu.nl> said:

> There are quite a lot of programs that do tiled backwards
> reading of data, just think about large matrix stuff or
> some image viewing or manipulation stuff.

Fine: what I'm suggesting is, let's implement efficient paging of the
tiles, but don't bother trying to predict how big the tiles are or when
we'll jump from one to another: it's just not worth the bother.

--Stephen

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/