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Re: CPU utilization in Snow Leopard
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Re: CPU utilization in Snow Leopard


  • Subject: Re: CPU utilization in Snow Leopard
  • From: Shashanka L <email@hidden>
  • Date: Tue, 20 Oct 2009 11:58:33 +0530
  • "x-copyrighted-material: http://www.robosoftin.com"


Hello Joar Wingfors,

I am performing some operation by detaching the thread and waiting for some process to complete. I am using runloop for waiting purpose.

NSDate instance taking lots of Memory when thread is alive (ie till mShouldThreadAlive set to YES). This can be seen only in snow leopard.

Below is the code snippet...

//New thread selector


-(void)newThread { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc]init];


//Some operations...


do //Keeps thread alive till date
{
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate: [NSDate dateWithTimeIntervalSinceNow: 0.1]];


	} while (mShouldThreadAlive); //Waiting for other process to complete

   [pool release];

}

Autoreleased object from [NSDate dateWithTimeIntervalSinceNow: 0.1] is not getting released and taking lots of memory.

Does any one came across this issue in snow leopard??

Or any solution....?

Please Help..




On 26-Sep-09, at 1:40 PM, Joar Wingfors wrote:


On 25 sep 2009, at 23.14, Shashanka L wrote:

I am working with Snow Leopard 10.6.1. And I have observed the difference in CPU usage (high compared to Leopard) for my application. I am using mainly the Quicktime, sqlite3 calls.

Also found some memory leaks in Foundation class methods.

Have anybody observed the above said issues with 10.6?


Hello Shashanka,

You're not really providing enough information for anyone to know if they've seen the same issues or not.

If you've found something that you think are bugs in Mac OS X, please file bug reports:

	<http://developer.apple.com/bugReporter/>

Many thanks,

j o a r




Thanks, Shashank Lagvankar





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