james at grok.ltd.uk
Tue Feb 16 09:45:49 CET 2010
On both GMP5.0.0 and GMP5.0.1 I experienced similar behaviour (IIRC):
Because I'm using a slightly old version of Xcode (3.1.2) on Mac Intel
Leopard (10.5.8), I needed to specifically tell GMP to use the 4.2
version of gcc with:
"./configure 'CC=gcc-4.2' 'CXX=g++-4.2'"
On 16 Feb 2010, at 07:36, Torbjorn Granlund wrote:
> James Wanless <james at grok.ltd.uk> writes:
> Good speedup w/ GMP5 vs. GMP4.3.1:
> One of my programs, factorize6, running on (M+2)1257787, has
> time reduced from ~4358 mins to ~1716 mins!
> Nice, that's more than one could usually hope for with 5.0.1.
> thanks v. much to the GMP developers (and to Richard Dickerson for a
> suggestion on gmp-bugs that enabled me to build on Leopard),
> Did you have build problems on Mac OS "Leopard" with GMP 5.0.1, or are
> you talking about 5.0.0?
> (Note that 5,0.1 s actually faster than 5.0.0, since we provided
> tuning tables, and fixed some memory greed problms.)
More information about the gmp-discuss