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Subject: Re: longjmp question

Author: Robert Hyatt

Date: 09:31:12 06/20/04

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On June 20, 2004 at 06:00:58, Ross Boyd wrote:

>My engine (coded in C) uses longjmp() to terminate a search.
>
>Is there any disadvantage or hidden overhead in this approach?

1.  No threads.  Hence no parallel search.

2.  Ugly to read.

>
>I notice other engines use a flag which is tested at every node of the search.
>Surely there's an overhead in doing it that way????

a few nanoseconds. :)




>
>I suppose the main drawback of longjmp() is portability. Most languages other
>than C don't support it.
>
>Am I missing something?
>
>Ross



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