[ic] Interchange and threaded Perl
mike at perusion.com
Mon Jun 6 16:46:20 EDT 2005
Quoting Henry Hartley (henryhartley at westat.com):
> On: Mon, June 06, 2005 12:48 PM, Mike Heins said:
> >> Quoting Kaare Rasmussen (kar at kakidata.dk):
> >> >
> >> > > It's a shame not only because of Interchange, but because
> >> > > *every* Perl program runs 15-30% slower and because about .01%
> >> > > of code uses the features.
> >> >
> >> > Where do you have those numbers from?
> >> >
> >> > It's not that I doubt them. I just would like to see if they've
> >> > tested various applications to see where the penalty is biggest.
> >> Just benchmarks of running ab against Interchange and test code
> >> against a threaded Perl. I had an email discussion with the Debian
> >> Perl port maintainer, and he confirmed the slowdown.
> >> The more subroutine calls you have, the worse it will be, so in
> >> all liklihood object-oriented packages with lots of method-based
> >> accessors will get hit hardest.
> Can you give some idea of how big a hit we're talking about?
I thought I did. I said 15-30%, and that's what I meant. Were I more
precise than that, I would be talking out of my nether regions. 8-)
Perusion -- Expert Interchange Consulting http://www.perusion.com/
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