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Subject: Re: [boost] different matrix library?
From: joel (joel.falcou_at_[hidden])
Date: 2009-08-18 12:05:29

DE wrote:
> fewer instructions doesn't mean faster code
Thanks to learn me my job.
> to find ideal ratio you must take intel arch manual and count the clocks
> or you can actually measure running time for a variety of cases
Time benchmark is always better. With pipeline in OOCPPU, countign clock
in a linear fashion is dumb.
> i naively (lack of time) implemented nrc (how it is spelled btw?) for
> 2d case and it performs worse then computed indeces in general
> i'll try to reimplement it properly and measure again
It shouldn't. 2D is worse case and perform like only 3-5% less than
index. Proper test case is up to 3D.

Joel Falcou - Assistant Professor
PARALL Team - LRI - Universite Paris Sud XI
Tel : (+33)1 69 15 66 35

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