mamsam list archive is corrupted!
mamsam list archive is corrupted!
- Subject: mamsam list archive is corrupted!
- From: Public Look <email@hidden>
- Date: Mon, 16 Feb 2004 16:25:35 -0500
I apologize for posting this to Apple's list, but many people including
myself read this Apple list via its convenient archive at
http://cocoa.mamasam.com/.
I have posted to this list twice today and the mamasam archive of this
list has been corrupted both times. The following posts are attributed
to me, but I did NOT write them:
http://cocoa.mamasam.com/COCOADEV/2004/02/2/84595.php
http://cocoa.mamasam.com/COCOADEV/2004/02/2/84625.php
Furthermore, the posts I did write were not archived:
Begin forwarded message:
>
From: Public Look <email@hidden>
>
Date: February 16, 2004 3:44:31 PM EST
>
To: Sam McCandlish <email@hidden>
>
Cc: John Randolph <email@hidden>, email@hidden
>
Subject: Re: Slow Cocoa
>
>
For the record, the archive is corrupted for this thread. I did NOT
>
write the following article that is attributed to me:
>
http://cocoa.mamasam.com/COCOADEV/2004/02/2/84595.php
>
>
I did write the following text which as far as I can tell has been
>
swallowed by the archives:
>
>
Begin forwarded message:
>
>
> From: Public Look <email@hidden>
>
> Date: February 16, 2004 10:47:05 AM EST
>
> To: Sam McCandlish <email@hidden>
>
> Cc: email@hidden
>
> Subject: Re: Slow Cocoa
>
>
>
> Objective-C messaging is unlikely to have any significant impact on
>
> drawing speed. The messaging overhead is negligible compared to the
>
> processing needed to paint anti-aliased pixels. The only way I would
>
> suspect messaging overhead is if you were using multiple messages to
>
> paint every pixel.
>
>
>
> Quartz has interesting and non-intuitive performance characteristics.
>
> Many paths with few segments can be drawn much faster than few paths
>
> with many segments. There is a huge combinatorial overhead
>
> associated with the join and intersection of segments within a path.
>
> When you started using NSBezierPath, did you also start creating
>
> complex paths with many segments ?
>
>
>
> See past threads on this topic in the archives:
>
> http://cocoa.mamasam.com/COCOADEV/2002/04/1/30630.php
>
> http://cocoa.mamasam.com/COCOADEV/2002/02/1/24334.php
>
>
>
> On Feb 15, 2004, at 10:23 PM, Sam McCandlish wrote:
>
>
>
>> I am making an app that draws using Quartz. I used to use the C
>
>> functions, but then I started using NSBezierPath. When I tried that
>
>> everything was slower. I am guessing this is because of the
>
>> messaging. Is there a way to "speed up" objc? Thanks!
>
>> _______________________________________________
>
>> cocoa-dev mailing list | email@hidden
>
>> Help/Unsubscribe/Archives:
>
>> http://www.lists.apple.com/mailman/listinfo/cocoa-dev
>
>> Do not post admin requests to the list. They will be ignored.
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.