[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: CPU specific/optimized Debian builds ?

Matthew M <matthew.macleod@btinternet.com> immo vero scripsit:

> gcc-3.1 is the fastest compiler (even faster than icc). Turning on 
> cpu-specific optimisation decreses performance in this case; I'm not sure if 
> that is noise (performance goes up for gcc-3.0), but the results were pretty 
> consistent.
> So there it is... in this case, at least, cpu-specific optimisations don't 
> appear to be worth much. Of course, that might not be true for different 
> workloads.

I have different values for athlon, although I used 
bochs as my testcase.

I benchmarked gcc-3.0 and gcc-2.95 at that time, and that 
motivated me to do my rebuilds.
I have my graph somewhere ...


dancer@debian.org : Junichi Uekawa   http://www.netfort.gr.jp/~dancer
GPG Fingerprint : 17D6 120E 4455 1832 9423  7447 3059 BF92 CD37 56F4
Libpkg-guide: http://www.netfort.gr.jp/~dancer/column/libpkg-guide/

To UNSUBSCRIBE, email to debian-devel-request@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org

Reply to: