Bill Allombert on Thu, 18 Oct 2012 10:42:12 +0200

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Re: PARI/GP compilation parameters

On Wed, Oct 17, 2012 at 11:20:03PM -0400, Mathieu Carbou wrote:
> Hello,
> I just tried several compilation flags on Cygwin for PARI after reading
> the INSTALL doc:
> (1) ./Configure --static --without-gmp
> (2) ./Configure --static --enable-tls
> (3) ./Configure --static --enable-tls --without-gmp
> What is strange is that my scripts take a really longer time for cases
> (2) and (3) whereas I think it would be the opposite: i.e. 1 minutes
> instead of 2 seconds with (1).
> Is it normal ? What could create those differences ?

Yes it is normal. I did not even know --enable-tls worked on cygwin.
--enable-tls is only useful is you want to compile multi threaded 
libpari programs. --enable-tls make shared libraries a bit slower on linux
because it defer some storage allocation at runtime.