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Re: objective-c: how slow ?
From: |
Helge Hess |
Subject: |
Re: objective-c: how slow ? |
Date: |
Sat, 01 Sep 2001 23:05:54 +0200 |
"Erik M. Buck" wrote:
> NeXT used Objective-C for writing kernel level drivers. There is no real
> problem using Objective-C in a performance sensitive embedded system.
> However, it would be very difficult if not impossible to prove the
> determinism of the Objective-C message dispatch (since it uses hash tables),
> so if you need determinism (i.e guaranteed execution time measured in CPU
> clock ticks) then you don't want Objective-C.
Small side note: GNU ObjC does not use a hash table for message dispatch
but a sparse array. If I'm not mistaken the implementation is
deterministic.
Greetings
Helge
--
SKYRIX Software AG - http://www.skyrix.com
Web Application Technology for Enterprises
- Re: objective-c: how slow ?, Nicola Pero, 2001/09/01
- Re: objective-c: how slow ?, Marko Mikulicic, 2001/09/01
- Re: objective-c: how slow ?,
Helge Hess <=
- Re: objective-c: how slow ?, Malmberg, 2001/09/02
- Re: objective-c: how slow ?, Chris Hanson, 2001/09/02
- Re: objective-c: how slow ?, Malmberg, 2001/09/05
- Re: objective-c: how slow ?, Marko Mikulicic, 2001/09/05
- Re: objective-c: how slow ?, Malmberg, 2001/09/05
- Re: objective-c: how slow ?, Marko Mikulicic, 2001/09/05
- Re: objective-c: how slow ?, Malmberg, 2001/09/07
- Re: objective-c: how slow ?, Marko Mikulicic, 2001/09/07
- Re: objective-c: how slow ?, Marko Mikulicic, 2001/09/07