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Mail Archives: djgpp/1997/02/02/15:35:00

To: djgpp AT delorie DOT com
Subject: Re: Theoretical question of loops
Message-ID: <19970202.122229.4967.1.chambersb@juno.com>
References: <32F443AF DOT 51CF AT dmv DOT com>
From: chambersb AT juno DOT com (Benjamin D Chambers)
Date: Sun, 02 Feb 1997 15:22:23 EST

On Sat, 01 Feb 1997 23:35:11 -0800 Pyro Technic <invid AT dmv DOT com> writes:
>I've got a weird question, wich would be faster and how would I
>measuree it. Would doing 2 things 3 times be faster or slower than 
>doing
>3 things 2 times.
Depends on how large the code is.  If the code fits in the cache, I would
guess that 3 things 2 times would be faster - if it doesn't, then 2
things 3 times.  (I'm guessing here, though :)

...Chambers

>
>
>// loop set 1
>//is this faster
>for(i=0; i<3; ++i)
>	{
>	for(j=0; j<2; ++j)
>		{
>		//stuff here
>		}
>	}
>
>// loop set 2
>//or is this 
>for(i=0; i<2; ++i)
>	{
>	for(j=0; j<3; ++j)
>		{
>		//stuff here
>		}
>	}
>
>weird stuff. Thanks a lot.
>
>	Pyro
>

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