To compile mpfrbench, simply do:

$ make mpfrbench

To run it:

$ ./mpfrbench

On a typical computer, it should take around 12 minutes. The final output

looks like (here on a Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz with

GCC 4.9.3, and --with-gmp-build=gmp-6.0.0), revision ef5f2c0:

GMP : 6.0.0 MPFR : 3.2.0-dev

GMP compiler : gcc -std=gnu99

GMP flags : -O2 -pedantic -fomit-frame-pointer -m64 -mtune=core2 -march=core2

score for mul : 1434798

score for add : 6419546

score for sub : 6228906

score for div : 698843

group score Arith : 2516353

score for sqrt : 550492

score for exp : 26517

score for log : 20034

score for cos : 28853

score for sin : 23044

score for acos : 7639

score for asin : 8010

group score Special : 27501

global score : 1076