It's a lot slower now

gistfile1.txt

kj@kj-thinkpad ruby_memprofiler_pprof % ruby script/benchmark.rb
                                           user     system      total        real
no profiling (1)                      15.867480   0.473907  16.341387 ( 16.382863)
no profiling (2)                      14.955051   0.031678  14.986729 ( 15.025699)
with profiling (1%, no flush)         22.981310   0.484232  23.465542 ( 23.501221)
with reporting (1%, with flush)       24.261126   0.057177  24.318303 ( 24.353663)
with profiling (10%, no flush)       109.202573   0.291814 109.494387 (109.596998)
with reporting (10%, with flush)     154.720902   0.060936 154.781838 (154.920858)