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Re: maximum theoretical speedup with dual quad processors

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Re: maximum theoretical speedup with dual quad processors

Subject: Re: maximum theoretical speedup with dual quad processors
From: Andrew Farmer <email@hidden>
Date: Sat, 31 Jan 2009 15:34:23 -0800

On 31 Jan 09, at 15:11, Chris Hanson wrote:

On Jan 31, 2009, at 2:04 PM, email@hidden wrote:
There IS a know bug with the NSInvocationQueue method on intels using
10.5.6 which I have read will be fixed on 10.6.
Please do not say things like this without citing a specific source. Otherwise you are spreading rumors.

This developer appears to have isolated a concurrency error in NSOperationQueue:

http://www.mikeash.com/?page=pyblog/dont-use-nsoperationqueue.html

As noted on that page, it appears to be triggered by attempting to make use of more than one NSOperationQueue in an application. _______________________________________________

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Re: maximum theoretical speedup with dual quad processors
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References:  
  >maximum theoretical speedup with dual quad processors (From: email@hidden)
  >Re: maximum theoretical speedup with dual quad processors (From: Chris Hanson <email@hidden>)




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