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Re: Accelerated Objective-C Dispatch
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Re: Accelerated Objective-C Dispatch


  • Subject: Re: Accelerated Objective-C Dispatch
  • From: Scott Tooker <email@hidden>
  • Date: Wed, 1 Jun 2005 13:33:56 -0700

Yes, Accelerated Objective-C Dispatch is not supported on versions of Mac OS X prior to 10.4.

Scott

On Jun 1, 2005, at 10:57 AM, Daniel Jalkut wrote:

This is the first I've heard of this feature by name, but I assume it's the same feature that's causing all of these objc_msgSend_rtp calls to appear in Apple's code on Tiger? Is this documented somewhere?

I strongly suspect that this won't have any kind of fallback mechanism for 10.3, since the implementation is an absolute branch to high-memory, and there's nothing on 10.3 that would have implemented meaningful code at that point in high memory. If there was, I guess the dispatch would be fast on 10.3, too :)

Daniel

On Jun 1, 2005, at 9:33 AM, Jonathan del Strother wrote:


Will executables built with Accelerated Objective-C Dispatch run on 10.3? I know the accelerated dispatch itself won't work, I was just wondering if there was some sort of fallback mechanism for backwards compatibility.

Jon
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  • Follow-Ups:
    • Re: Accelerated Objective-C Dispatch
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References: 
 >Accelerated Objective-C Dispatch (From: Jonathan del Strother <email@hidden>)
 >Re: Accelerated Objective-C Dispatch (From: Daniel Jalkut <email@hidden>)

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