[lkml]   [2004]   [Jun]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Performance regression in 2.6.7-rc3
Herbert Xu wrote:
> Martin J. Bligh <> wrote:
>>How the hell can that have any effect on non-threaded workloads? Perhaps
>>some part of kernel compile *is* multi-threaded. It does seem to get
> make(1) with vfork(2) perhaps?

I think balance on clone probably needs to be turned off by default

It slows down a simple thread creation test by a factor of 7(!) here,
and has quite a few not too difficult to imagine performance problems.

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 14:03    [W:0.052 / U:0.220 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site