Re: Request for benchmarking: x86 SHA1 code

[Jakub Narebski <jnareb@gmail.com>]

"George Spelvin" <linux@horizon.com> writes:
> After studying Andy Polyakov's optimized x86 SHA-1 in OpenSSL, I've
> got a version that's 1.6% slower on a P4 and 15% faster on a Phenom.
> I'm curious about the performance on other CPUs I don't have access to,
> particularly Core 2 duo and i7.
> 
> Could someone do some benchmarking for me?  Old (486/Pentium/P2/P3)
> machines are also interesting, but I'm optimizing for newer ones.

----------
$ [time] ./586test 
Result:  a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
Expected:a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
500000000 bytes: 5.376325 s

real    0m5.384s
user    0m5.108s
sys     0m0.008s

500000000 bytes: 5.367261 s

5.09user 0.00system 0:05.38elapsed 94%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+378minor)pagefaults 0swaps

----------
$ [time] ./x86test 
Result:  a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
Expected:a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
500000000 bytes: 5.312238 s

real    0m5.325s
user    0m5.060s
sys     0m0.008s

500000000 bytes: 5.323783 s

5.06user 0.00system 0:05.34elapsed 94%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (0major+377minor)pagefaults 0swaps

==========
System:
$ uname -a
Linux roke 2.6.14-11.1.aur.2 #1 Tue Jan 31 16:05:05 CET 2006 \
 i686 athlon i386 GNU/Linux

$ cat /proc/cpuinfo
processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 6
model		: 4
model name	: AMD Athlon(tm) processor
stepping	: 2
cpu MHz		: 1000.188
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 1
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 mtrr pge \
 mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
bogomips	: 2002.43

$ free
             total       used       free     shared    buffers     cached
Mem:        515616     495812      19804          0       6004     103160
-/+ buffers/cache:     386648     128968
Swap:      1052248     279544     772704

-- 
Jakub Narebski
Poland
ShadeHawk on #git