Re: Leak when animating Core Animation Superlayer

FROM : John Harper
DATE : Sun Jun 01 20:53:39 2008

Hi,

if you think you've found a memory leak inside of CoreAnimation, 
please file a radar (bugreporter.apple.com) with a project showing the 
leak, and we'll look into it. thanks,

   John


On Jun 1, 2008, at 10:58 AM, Stéphane Droux wrote:

> On Sun, Jun 1, 2008 at 6:31 PM, Brian Christensen 
> <<email_removed>> wrote:
>

>>
>> I would consider that to be expected behavior. If you aren't ever 
>> releasing
>> the layers you created, why would any of the relevant memory be 
>> freed? The
>> timer and the animations it is causing to be performed should not 
>> really be
>> incurring a very significant memory footprint in addition to what 
>> the layers
>> on their own are already using (my own observations at least 
>> indicate that
>> running the test app with or without the timer makes very little 
>> difference
>> in that regard).
>>
>> Are the two methods you posted really the only two methods in your 
>> entire
>> test app? Or are you doing something else somewhere in addition to 
>> this?
>> Feel free to e-mail me the test project off-list if you like.
>>
>> /brian
>>
>> Yes, these 2 methods are my entire test app. I will email you the 
>> project

> off-list.
>
> I don't think it has to do with layer release.
> If I run it without the animation (commented out the timer 
> creation), the
> memory usage in Object Alloc is constant (as expected) at 1.8MB
> When I add the timer, the memory usage starts at 1.8MB and goes up 
> to 3MB
> after 1 minute, 5MB after 2 minutes, and so on.
> The only difference between these 2 cases is "[NSTimer
> scheduledTimerWithTimeInterval:0.4 target:self 
> selector:@selector(fromTimer:)
> userInfo:nil repeats:YES];" being commented out.
>
> Thanks
> Stephane
> _______________________________________________
>
> Cocoa-dev mailing list (<email_removed>)
>
> Please do not post admin requests or moderator comments to the list.
> Contact the moderators at cocoa-dev-admins(at)lists.apple.com
>
> Help/Unsubscribe/Update your Subscription:
> http://lists.apple.com/mailman/options/cocoa-dev/<email_removed>
>
> This email sent to <email_removed>