This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: Lock elision test results
- From: Dominik Vogt <vogt at linux dot vnet dot ibm dot com>
- To: libc-alpha at sourceware dot org
- Date: Tue, 9 Jul 2013 07:51:27 +0200
- Subject: Re: Lock elision test results
- References: <20130614102653 dot GA21917 at linux dot vnet dot ibm dot com> <1372767484 dot 22198 dot 4505 dot camel at triegel dot csb> <20130703065355 dot GA4522 at linux dot vnet dot ibm dot com> <1372849432 dot 14172 dot 20 dot camel at triegel dot csb> <20130703120753 dot GA8416 at linux dot vnet dot ibm dot com> <1372857484 dot 14172 dot 195 dot camel at triegel dot csb> <20130704092941 dot GA12864 at linux dot vnet dot ibm dot com> <1372937162 dot 14172 dot 1030 dot camel at triegel dot csb> <87r4fc4gve dot fsf at tassilo dot jf dot intel dot com>
- Reply-to: libc-alpha at sourceware dot org
On Fri, Jul 05, 2013 at 06:27:49PM -0700, Andi Kleen wrote:
> Torvald Riegel <triegel@redhat.com> writes:
> > at the aborts; it seems that for z at least, the critical section length
> > should also be considered.
>
> I don't know about z, but in TSX the program doesn't know the critical
> section length (without expensive extra instrumentation). Only profilers
> know.
Same with z.
Ciao
Dominik ^_^ ^_^
--
Dominik Vogt
IBM Germany