On Tue Jun 19 11:51:14 2012, pmichaud wrote:
> Refined from a case given by harmil++ on #perl6, the optimizer seems
> to have problems with long expressions.
>
> pmichaud@kiwi:~/p6/rakudo$ cat z
> #!/bin/bash
> for size in 1 10 100 500 1000 10000;
> do
> code=$(./perl6 -e "say (1..$size).join('+')")
> time --format="Expression in input $size: %e" -- ./perl6
> --stagestats --ll-exception -e "my \$x = $code;" || break;
> echo
> done
>
> pmichaud@kiwi:~/p6/rakudo$ sh z
> Stage parse: 0.341
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 0.001
> Stage post: 0.005
> Stage pir: 0.002
> Stage evalpmc: 0.002
> Expression in input 1: 0.44
>
> Stage parse: 0.415
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 0.013
> Stage post: 0.007
> Stage pir: 0.002
> Stage evalpmc: 0.002
> Expression in input 10: 0.53
>
> Stage parse: 0.582
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 0.203
> Stage post: 0.022
> Stage pir: 0.006
> Stage evalpmc: 0.003
> Expression in input 100: 0.91
>
> Stage parse: 1.392
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 0.525
> Stage post: 0.094
> Stage pir: 0.069
> Stage evalpmc: 0.003
> Expression in input 500: 2.19
>
> Stage parse: 2.367
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 1.208
> Stage post: 0.190
> Stage pir: 0.316
> Stage evalpmc: 0.005
> Expression in input 1000: 4.19
>
> Stage parse: 20.673
> Stage syntaxcheck: 0.000
> Stage past: 0.000
> Stage optimize: 69.954
> Stage post: 2.818
> Stage pir: 88.863
> Stage evalpmc: 0.046
> Expression in input 10000: 182.50
>
> pmichaud@kiwi:~/p6/rakudo$
>
> Pm
Current timings seem much better on MoarVM - can we close this ticket?
--
Will "Coke" Coleda
