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Date: Sun, 27 Apr 2003 10:50:54 +0200
From: Rene Herman <rene.herman@keyaccess.nl>
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To: Linus Torvalds <torvalds@transmeta.com>
CC: Andi Kleen <ak@muc.de>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Alternative patching for prefetches & cleanup
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Linus Torvalds wrote:

> That's not the fibonacci sequence, that's just a regular sigma(i)  
> (i=1..n) sequence. And if you were to generate the sequence numbers at
> compile-time I might agree with you, if you also were to avoid using 
> inline asms.

If the sigma(i) method is to stay, please note that

sigma(1 <= i <= n | i) = n*(n+1) / 2

for all n > 0 (trivial proof by induction).

That is, no need to loop; in this case, with n = num - 1

k = ((num - 1) * num) / 2

Rene.