[lkml]   [2006]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectMoore's law (was Re: [patch 0/9] mutex subsystem, -V4)

> Another example: Ingo's VFS stresstest which is hitting i_sem hard: it only
> does ~8000 ops/sec on an 8-way, and it's an artificial microbenchmark which
> is _designed_ to hit that lock hard. So if/when i_sem is converted to a
> mutex, I figure that the benefits to ARM in that workload will be about a
> 0.01% performance increase. ie: about two hours' worth of Moore's law in a
> dopey microbenchmark.

:-) Expressing performance increases in Moore's hours seems like
neat trick. OTOH I do not think it is valid any more. Single-threaded
performance stopped increasing 2 years ago AFAICS. Plus people are
pushing Linux onto smaller machines, that were unavailable 2 years

Thanks, Sharp!
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: 2006-01-05 15:04    [W:0.154 / U:2.612 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site