Forum: Ruby-core [ruby-trunk - Bug #7370][Open] Some benchmarks are slow

Issue #7370 has been reported by authorNari (Narihiro Nakamura).

----------------------------------------
Bug #7370: Some benchmarks are slow
https://bugs.ruby-lang.org/issues/7370

Author: authorNari (Narihiro Nakamura)
Status: Open
Priority: Normal
Assignee: ko1 (Koichi Sasada)
Category: core
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-11-12 trunk 37629) [i686-linux]


Hi.

Some benchmarks are slow since r37631.
I guess DTrace's proves affect CRuby's performance.
Is it possible to fix?

app_answer:
 r37629 0.153(sec)
 r37631 0.196

app_fib:
 r37629 1.497
 r37631 2.005

app_tak:
 r37629 2.048
 r37631 2.984

app_tarai:
 r37629 1.713
 r37631 2.42

app_raise:
 r37629 0.792
 r37631 0.85

so_ackermann:
 r37629 1.809
 r37631 2.529

Please see also this site: http://www.narihiro.info/crubybenci/

Thanks.

Issue #7370 has been updated by authorNari (Narihiro Nakamura).

Assignee changed from ko1 (Koichi Sasada) to tenderlovemaking (Aaron 
Patterson)

Aaron-san, Could you check it?

Thanks.
----------------------------------------
Bug #7370: Some benchmarks are slow
https://bugs.ruby-lang.org/issues/7370#change-32958

Author: authorNari (Narihiro Nakamura)
Status: Open
Priority: Normal
Assignee: tenderlovemaking (Aaron Patterson)
Category: core
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-11-12 trunk 37629) [i686-linux]


Hi.

Some benchmarks are slow since r37631.
I guess DTrace's proves affect CRuby's performance.
Is it possible to fix?

app_answer:
 r37629 0.153(sec)
 r37631 0.196

app_fib:
 r37629 1.497
 r37631 2.005

app_tak:
 r37629 2.048
 r37631 2.984

app_tarai:
 r37629 1.713
 r37631 2.42

app_raise:
 r37629 0.792
 r37631 0.85

so_ackermann:
 r37629 1.809
 r37631 2.529

Please see also this site: http://www.narihiro.info/crubybenci/

Thanks.

(2012/11/16 16:51), authorNari (Narihiro Nakamura) wrote:
> Some benchmarks are slow since r37631.
> I guess DTrace's proves affect CRuby's performance.
> Is it possible to fix?

He missed to argue about the important thing:

His measurement environment is Linux and DTrace should be inactive!!