[gambit-list] New builtins in upcoming gcc 5.0.0 that may speed up bignum arithmetic

Bradley Lucier lucier at math.purdue.edu
Mon Feb 23 15:01:05 EST 2015


On 02/23/2015 01:10 PM, Mikael wrote:
> What kind of speedup are we talking, like approx % on + - % * for bignum
> integers and bignum rationals, of size ~10^25/~10^25?

Well, it might double the speed of bignum addition/subtraction, but I'm 
not sure how much multiplication or division would benefit.

It might speed up safe fixnum operations, too, perhaps by a factor of two.

Brad




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