lkml.org 
[lkml]   [2006]   [May]   [24]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 24 May 2006 13:53:12 -0400
FromTom Vier <>
SubjectRe: [PATCH] updated reiser4 - reduced cpu usage for writes by writing more than 4k at a time (has implications for generic write code and eventually for the IO layer)
On Tue, May 23, 2006 at 01:14:54PM -0700, Hans Reiser wrote:
> underlying FS can be improved.  Performance results show that the new
> code consumes  40% less CPU when doing "dd bs=1MB ....." (your hardware,
> and whether the data is in cache, may vary this result).  Note that this
> has only a small effect on elapsed time for most hardware.

Write requests in linux are restricted to one page?

-- 
Tom Vier <tmv@comcast.net>
DSA Key ID 0x15741ECE
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-05-24 17:55    [from the cache]
©2003-2008