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Re: Optimizing View Drawing Code
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Re: Optimizing View Drawing Code


  • Subject: Re: Optimizing View Drawing Code
  • From: Nick Zitzmann <email@hidden>
  • Date: Thu, 7 Jan 2010 17:16:19 -0700

On Jan 7, 2010, at 4:58 PM, Stephen Blinkhorn wrote:

> The real cause seems to be all the view setup messaging that needs to happen after I mark the view with setNeedsDisplay:YES.  My top hit in shark is: objc_msgSend (seems wrong for an app doing mostly DSP :).

That's because you're probably looking at the bottom-up view, which I think is still the default view in Shark, and it's not always helpful in ObjC programs. Did you try looking at the top-down view?

Nick Zitzmann
<http://www.chronosnet.com/>

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