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: 12 wallclock secs (12.21 cusr +  0.16 csys = 12.37 CPU) @  4.04/s (n=50)
push.c-pull-pure: 12 wallclock secs (12.50 cusr +  0.14 csys = 12.64 CPU) @  3.96/s (n=50)
push.c-push-impure: 16 wallclock secs (15.44 cusr +  0.15 csys = 15.59 CPU) @  3.21/s (n=50)
push.c-push-pure: 16 wallclock secs (15.42 cusr +  0.16 csys = 15.58 CPU) @  3.21/s (n=50)
yacc.c-pull-impure: 12 wallclock secs (12.30 cusr +  0.10 csys = 12.40 CPU) @  4.03/s (n=50)
yacc.c-pull-pure: 13 wallclock secs (12.43 cusr +  0.15 csys = 12.58 CPU) @  3.97/s (n=50)
                     Rate push.c-push-impure push.c-push-pure push.c-pull-pure yacc.c-pull-pure yacc.c-pull-impure push.c-pull-impure
push.c-push-impure 3.21/s                 --              -0%             -19%             -19%               -20%               -21%
push.c-push-pure   3.21/s                 0%               --             -19%             -19%               -20%               -21%
push.c-pull-pure   3.96/s                23%              23%               --              -0%                -2%                -2%
yacc.c-pull-pure   3.97/s                24%              24%               0%               --                -1%                -2%
yacc.c-pull-impure 4.03/s                26%              26%               2%               1%                 --                -0%
push.c-pull-impure 4.04/s                26%              26%               2%               2%                 0%                 --