gmp-4.2 performance on x86_64
gaudry at lix.polytechnique.fr
Wed Mar 29 18:34:24 CEST 2006
On Wed, Mar 29, 2006 at 11:07:00AM -0500, Kate Minola wrote:
> On my 2.2GHz x86_64-unknown-linux-gnu machine
> I get the following gmpbench results:
> gmp-4.1.4-gaudry 7863.2
> gmp-4.2 7375.2
> gmp-4.1.4 4645.6
> gmp-4.1.4-gaudry is using the assembly code by
> Patrick Gaudry at
> All were compiled with the same compiler, gcc-4.1.0.
> While I want to use gmp-4.2 to pick up bug fixes, I do not
> want to lose the speed of gmp-4.1.4-gaudry.
> Doing the obvious to use Gaudry's assembler code in gmp-4.2
> causes a failure to compile (for me).
> Comments? Suggestions?
> Kate Minola
> Engineering Department
> University of Maryland, College Park
A version of the patch for GMP-4.2 is available at:
The webpage is not yet updated, but the install procedure is as for the
patch of 4.1.4:
tar zxf mpn_amd64.42.tgz
./configure && make && make install
I get a gmpbench result around 10000 on a 2.4 GHz Opteron (8200 with
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