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

Re: CPU specific/optimized Debian builds ?



On 29 May 2002 22:58:41 +1200,
James Kahn <jkahn@paradise.net.nz> wrote:
> On Wed, 2002-05-29 at 22:16, Andrew Suffield wrote:
> > If you are trying to do a benchmark on processor-related performance
> > changes (which it seems like you are), you will have to construct a
> > benchmark which actually measures that (no, I don't have any
> > suggestions offhand).
> Ray tracing tends to be pretty CPU intensive, how about using povray? 
> Of course, to get "real" results, you'll need it to trace a rather large
> scene a few times with each buildarch, throw away any outliers and draw
> the mean of the rest.
How about john?  Here is my result:

$ echo 'exec -a john debian/tmp/usr/sbin/john-any -test' | sh

* Debian default (-O2 -fomit-frame-pointer)

Benchmarking: Standard DES [24/32 4K]... DONE
Many salts:     164531 c/s real, 166193 c/s virtual
Only one salt:  152396 c/s real, 152396 c/s virtual

Benchmarking: BSDI DES (x725) [24/32 4K]... DONE
Many salts:     5868 c/s real, 5868 c/s virtual
Only one salt:  5779 c/s real, 5779 c/s virtual

Benchmarking: FreeBSD MD5 [32/32]... DONE
Raw:    2603 c/s real, 2603 c/s virtual

Benchmarking: OpenBSD Blowfish (x32) [32/32]... DONE
Raw:    208 c/s real, 208 c/s virtual

Benchmarking: Kerberos AFS DES [24/32 4K]... DONE
Short:  148224 c/s real, 148224 c/s virtual
Long:   258252 c/s real, 258252 c/s virtual

Benchmarking: NT LM DES [24/32 4K]... DONE
Raw:    815219 c/s real, 815219 c/s virtual


* no optimization

Benchmarking: Standard DES [24/32 4K]... DONE
Many salts:     162892 c/s real, 163219 c/s virtual
Only one salt:  140697 c/s real, 140697 c/s virtual

Benchmarking: BSDI DES (x725) [24/32 4K]... DONE
Many salts:     5872 c/s real, 5872 c/s virtual
Only one salt:  5609 c/s real, 5609 c/s virtual

Benchmarking: FreeBSD MD5 [32/32]... DONE
Raw:    2459 c/s real, 2588 c/s virtual

Benchmarking: OpenBSD Blowfish (x32) [32/32]... DONE
Raw:    191 c/s real, 191 c/s virtual

Benchmarking: Kerberos AFS DES [24/32 4K]... DONE
Short:  131123 c/s real, 131123 c/s virtual
Long:   127948 c/s real, 127948 c/s virtual

Benchmarking: NT LM DES [24/32 4K]... DONE
Raw:    685875 c/s real, 685875 c/s virtual


* overkill optimization (gcc-3.1, -O3 -fomit-frame-pointer -mcpu=pentium4)

Benchmarking: Standard DES [24/32 4K]... DONE
Many salts:     166272 c/s real, 166272 c/s virtual
Only one salt:  152038 c/s real, 152648 c/s virtual

Benchmarking: BSDI DES (x725) [24/32 4K]... DONE
Many salts:     5777 c/s real, 5835 c/s virtual
Only one salt:  5777 c/s real, 5777 c/s virtual

Benchmarking: FreeBSD MD5 [32/32]... DONE
Raw:    2616 c/s real, 2616 c/s virtual

Benchmarking: OpenBSD Blowfish (x32) [32/32]... DONE
Raw:    207 c/s real, 207 c/s virtual

Benchmarking: Kerberos AFS DES [24/32 4K]... DONE
Short:  144640 c/s real, 144640 c/s virtual
Long:   256256 c/s real, 256256 c/s virtual

Benchmarking: NT LM DES [24/32 4K]... DONE
Raw:    847820 c/s real, 847820 c/s virtual


I don't think CPU-specific optimization is much better
than non-CPU-specific optimization.

-- 
Oohara Yuuma <oohara@libra.interq.or.jp>
Debian developer
PGP key (key ID F464A695) http://www.interq.or.jp/libra/oohara/pub-key.txt
Key fingerprint = 6142 8D07 9C5B 159B C170  1F4A 40D6 F42E F464 A695

I always put away what I take.
--- Ryuji Akai, "Star away"


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



Reply to: