Subject: Re: Compiler timings on varous MVII NetBSDs etc.
To: Lord Isildur <email@example.com>
From: Johnny Billquist <bqt@Update.UU.SE>
Date: 01/25/2001 21:35:27
On Thu, 25 Jan 2001, Lord Isildur wrote:
> one note about the libc growth- some of it has gotten a LOT slower.
> for example, on bob's machien he put up for testing yesterday, i ran some
> test program that among other things calledprintf a little under 300
> thousand time. compiled with dynamic linking, with -O2, it took the
> printfs about 980 seconds to run. Compiled statically, about 910 seconds.
> On the ka650 at home, with a much older libc, the same thing took about
> 85 seconds. (the program did about 90 seconds of other work)..
That's an impressive performace hit!
I assume that you directed the output to a file. Both machines ka650?
This is a serious performance degradation, and it _should_ be fairly easy
to figure out where the hit took place.
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: firstname.lastname@example.org || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol