Computer Chess Club Archives




Subject: Re: C and C++ --- NPS

Author: David Rasmussen

Date: 02:22:52 12/24/02

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On December 23, 2002 at 21:29:08, Arshad F. Syed wrote:

>Is there anyone here who has actually converted their C code to C++ while
>keeping the NPS the same or even managed to improve upon it? Sune did mention
>that he did so only at the cost of 15% degradation in speed. Why do people even
>bother wasting their time with C++ for a chess program when it inevitably leads
>to taking a hit in NPS? Regardless, of all the advice to simply inline the
>functions, I have yet to see a living example of chess program code which
>performed faster in C++.

C++ used as a better C isn't slower at all.
C++ used to make a better design won't hurt NPS if you do it right.
C++ using templates (maybe expression templates for evaluation etc.) can easily
be faster than C.

All of your myths are C++ myths rooted in compilers 10+ years old.


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