Re: Request for benchmarking: x86 SHA1 code

[Michael J Gruber <git@drmicha.warpmail.net>]

George Spelvin venit, vidit, dixit 31.07.2009 12:46:
> 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.
> 
> I haven't packaged this nicely, but it's not that complicated.
> - Download Andy's original code from
>   http://www.openssl.org/~appro/cryptogams/cryptogams-0.tar.gz
> - Unpack and cd to the cryptogams-0/x86 directory
> - "patch < this_email" to create "sha1test.c", "sha1-586.h", "Makefile",
>    and "sha1-x86.pl".
> - "make" 
> - Run ./586test (before) and ./x86test (after) and note the timings.
> 
> Thank you!

Best of 6 runs:
./586test
Result:  a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
Expected:a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
500000000 bytes: 1.258031 s
./x86test
Result:  a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
Expected:a9993e36 4706816a ba3e2571 7850c26c 9cd0d89d
500000000 bytes: 1.171770 s

System:
uname -a
Linux whatever 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008
i686 GNU/Linux
cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     E8400  @ 3.00GHz
stepping        : 10
cpu MHz         : 2000.000
cache size      : 6144 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips        : 5988.92
clflush size    : 64

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Core(TM)2 Duo CPU     E8400  @ 3.00GHz
stepping        : 10
cpu MHz         : 2000.000
cache size      : 6144 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
constant_tsc pni monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr lahf_lm
bogomips        : 5984.92
clflush size    : 64