Using /home/jdenny/cs/current/bison/sources-bench/tests/bison, gcc.
push.c-push-pure
push.c-pull-impure
push.c-push-impure
yacc.c-pull-impure
push.c-pull-pure
yacc.c-pull-pure
calc:
Benchmark: timing 50 iterations of push.c-pull-impure, push.c-pull-pure, push.c-push-impure, push.c-push-pure, yacc.c-pull-impure, yacc.c-pull-pure...
push.c-pull-impure: 13 wallclock secs (12.28 cusr +  0.13 csys = 12.41 CPU) @  4.03/s (n=50)
push.c-pull-pure: 13 wallclock secs (12.50 cusr +  0.12 csys = 12.62 CPU) @  3.96/s (n=50)
push.c-push-impure: 16 wallclock secs (15.43 cusr +  0.53 csys = 15.96 CPU) @  3.13/s (n=50)
push.c-push-pure: 17 wallclock secs (16.57 cusr +  0.17 csys = 16.74 CPU) @  2.99/s (n=50)
yacc.c-pull-impure: 12 wallclock secs (12.34 cusr +  0.12 csys = 12.46 CPU) @  4.01/s (n=50)
yacc.c-pull-pure: 13 wallclock secs (12.51 cusr +  0.14 csys = 12.65 CPU) @  3.95/s (n=50)
                     Rate push.c-push-pure push.c-push-impure yacc.c-pull-pure push.c-pull-pure yacc.c-pull-impure push.c-pull-impure
push.c-push-pure   2.99/s               --                -5%             -24%             -25%               -26%               -26%
push.c-push-impure 3.13/s               5%                 --             -21%             -21%               -22%               -22%
yacc.c-pull-pure   3.95/s              32%                26%               --              -0%                -2%                -2%
push.c-pull-pure   3.96/s              33%                26%               0%               --                -1%                -2%
yacc.c-pull-impure 4.01/s              34%                28%               2%               1%                 --                -0%
push.c-pull-impure 4.03/s              35%                29%               2%               2%                 0%                 --