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Re: Using unsigned int for loop counters - better performance for Architectures - urban hacker legend?

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From: David Newall
Subject: Re: Using unsigned int for loop counters - better performance for Architectures - urban hacker legend?
Date: Saturday, July 31, 2010 - 2:38 am

I don't know about unsigned int; but looping down to zero should be 
faster on many architectures, as they automatically test for zero (or 
negative) on decrement.  Counting up requires an additional test.
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Messages in current thread:
Using unsigned int for loop counters - better performance ..., Luis R. Rodriguez, (Fri Jul 30, 4:53 pm)
Re: Using unsigned int for loop counters - better performa ..., David Newall, (Sat Jul 31, 2:38 am)
Re: Using unsigned int for loop counters - better performa ..., Luis R. Rodriguez, (Mon Aug 2, 1:48 pm)
Re: Using unsigned int for loop counters - better performa ..., David Newall, (Tue Aug 3, 3:06 am)