Issue #8930 has been reported by authorNari (Narihiro Nakamura).

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Bug #8930: some benchmark programs are slow since r42822
https://bugs.ruby-lang.org/issues/8930

Author: authorNari (Narihiro Nakamura)
Status: Open
Priority: Normal
Assignee: charliesome (Charlie Somerville)
Category: core
Target version: current: 2.1.0
ruby -v: ruby 2.1.0dev (2013-09-04 trunk r42822) [x86_64-linux]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


Hi.

I find some benchmark programs are slow since r42822.

% time ./miniruby -v benchmark/bm_vm3_clearmethodcache.rb
ruby 2.1.0dev (2013-09-04 trunk 42910) [x86_64-linux]
./miniruby -v benchmark/bm_vm3_clearmethodcache.rb  0.42s user 0.00s system 98% cpu 0.451 total

% time ./miniruby -v benchmark/bm_vm3_clearmethodcache.rb
ruby 2.1.0dev (2013-09-04 trunk r42822) [x86_64-linux]
./miniruby -v benchmark/bm_vm3_clearmethodcache.rb  0.48s user 0.01s system 98% cpu 0.495 total

In addition to the above:
* vm2_poly_method
* vm2_send
* so_object
* etc... (If you want to know all slow benchmark programs, please check this site http://www.narihiro.info/crubybenci/)

If this isn't intended, could you check it, charliesome or ko1?

Thanks


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