Re: WWDC / XCode v2.0?
Re: WWDC / XCode v2.0?
- Subject: Re: WWDC / XCode v2.0?
- From: Eric Albert <email@hidden>
- Date: Thu, 01 Jul 2004 14:06:26 -0700
- Newsgroups: apple.lists.xcode-users
- Organization: Apple Computer, Inc.
- Xref: forum.apple.com apple.lists.xcode-users:2384
In article <email@hidden>,
Matt Gough <email@hidden> wrote:
> On 1 Jul 2004, at 10:01, Eric Albert wrote:
>
> > Guard Malloc is a tremendously useful tool. If only all applications
> > were run with it before shipping....
> It would be a lot easier to use it regularly if it didn't slow things
> down enormously. My app seems to run about 50x slower with it, so its
> not practical to use it on the off chance of catching a bug. Any chance
> of speeding it up, or at least providing a means of enabling/disabling
> it around calls to new bits of code. (Or is the slowness likely to be
> caused by some inefficiency in my code?)
Guard Malloc is very slow. I've usually seen it described as 100x
slower, so your 50x might be fast. :) Unfortunately, the performance
hit does make using it on a regular basis difficult unless you have very
fast hardware.
If you find Guard Malloc useful and you'd like it to be faster -- I know
I would -- I'd suggest filing a bug report. I doubt we could make it as
fast as running your application normally, but at 50-100x slower, even a
10% improvement would help.
-Eric
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