[lkml]   [2006]   [Aug]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Why Semaphore Hardware-Dependent?
On Tue, Aug 29, 2006 at 12:56:54PM +0200, Andi Kleen wrote:
> We've completely given up these kinds of micro optimization for spinlocks,
> which are 1000x as critical as rwsems. And nobody was able to benchmark
> a difference.

That is false. It shows up on things like netperf on the P4, or the AF_UNIX
component of lmbench.

"Time is of no importance, Mr. President, only life is important."
Don't Email: <>.
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: 2006-08-29 21:13    [W:0.120 / U:0.028 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site