Building the gmp

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Revision as of 18:52, 15 November 2005 by KHiddemann (talk | contribs)

Build Options for the GMP

There are many different possible configurations when building the gmp. One that is very important to CoCoA is how to allocate memory in the gmp since large numbers can overflow the stack quite easily. For a general overview for the gmp 4.1 have a look at

So when configuring the gmp make sure that you choose


in order to use malloc and thereby using the heap instead of the stack. This entails a small (roughly 2% or so) performance penalty but at least your computation finishes instead of segfaulting for mysterious reasons.

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