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Re: Massive slowdown in NSArrayController selections in 10.6

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Re: Massive slowdown in NSArrayController selections in 10.6

Subject: Re: Massive slowdown in NSArrayController selections in 10.6
From: Andrea Gozzi <email@hidden>
Date: Sat, 5 Sep 2009 08:42:23 +0200

On Sep 5, 2009, at 7:34 AM, Rob Keniger wrote:

On 04/09/2009, at 12:43 PM, Rob Keniger wrote:
I'm interested to know if anyone else has been bitten by what seems to be a fairly serious performance regression bug in 10.6 with NSArrayController/NSTreeController.

Basically, if you have an NSArrayController with more than a few bindings, changing selection in the controller takes at least an order of magnitude more time than in Leopard.
I added a benchmark to my sample project to loop through the array controller, selecting each object in turn: Has no-one else experienced these slowdowns?


It's happening here too.
No workaround found yet...

Andrea

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References:  
  >Massive slowdown in NSArrayController selections in 10.6 (From: Rob Keniger <email@hidden>)
  >Re: Massive slowdown in NSArrayController selections in 10.6 (From: Rob Keniger <email@hidden>)




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