Re: [Asrg] 6. Email Path Verification (hashcashbenchmarks)

[Brad Knowles <brad.knowles@skynet.be>]

At 12:14 AM +0100 2003/09/14, Jonathan Morton wrote:

>  Got it to compile on a Classic Mac, mostly by hacking out all the
>  option parsing.  The below is using CodeWarrior Pro 5, optimised
>  for a PPC601 or 68020.
	Compiling on my PowerBook G4 only required taking the following 
line and moving it outside of the #ifdef:

		#include "getopt.h"


	Anyway, my results.  First, my PowerBook G4 (800MHz DVI, 1GB RAM, 
MacOS X 10.2.6):

		% ./hashcash -s -b 20
		time estimate: 2 seconds
		% ./hashcash -s
		speed: 779500 collision tests per second

	On an old Compaq Armada 4131T laptop w/ Pentium-133 (not MMX), 
48MB of RAM, and FreeBSD 4.6.2-REL, I get:

		% ./hashcash -s -b 20
		time estimate: 28 seconds
		% ./hashcash -s
		speed: 37400 collision tests per second

	On the UltraSPARC server I previously mentioned (Sun 
UltraEnterprise 1, UltraSPARC-I @ 167MHz, 256MB RAM, Solaris 9), I 
get:

		% ./hashcash -s -b 20
		time estimate: 14 seconds
		% ./hashcash -s
		speed: 75200 collision tests per second


	As soon as I can get my Soekris 4521 WiFi base stations/firewalls 
up and running, I can give you some benchmarks on them also.  And 
when my Ultra 10 clones come in, and my 4-way Intel 
compute/fileserver arrives, I can run those as well.

	Note that the UltraSPARC machine listed above is the mail server 
for a reasonably high-profile project that I am otherwise involved 
in, and I imagine it would be hurt pretty bad if we had to run a 
hashcash scheme on it.

--
Brad Knowles, <brad.knowles@skynet.be>

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
    -Benjamin Franklin, Historical Review of Pennsylvania.

GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E-(---) W+++(--) N+
!w--- O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++)
tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)

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