From: Piotr Szotkowski <chastell@...>
Date: 2010-11-03T15:48:41+09:00
Subject: Re: Process for optimizing ruby code

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Andrew Wagner:

> So, I've got a chunk of code which needs optimizing. [=E2=80=A6]

> That said, I'm wondering if there are any suggestions
> out there for tutorials on using ruby-prof.

My advice would be to check out perftools.rb=C2=B9 and the generated graphs,
with the additional benefits of it having no profiling overhead and
being able to see how much time garbage collection takes. You might also
want to take a look at my Profiling Ruby slides=C2=B2 for example graphs.

=C2=B9 https://github.com/tmm1/perftools.rb
=C2=B2 http://profiling-ruby-rar-2010.heroku.com/

=E2=80=94 Piotr Szotkowski
--=20
=E2=80=98Could we have Math::INFINITY which would make code using it cleane=
r?=E2=80=99
=E2=80=98Ruby assumes the environment has native threading and
US-ASCII compatible locale. Is there an environment which
satisfies the conditions but does not have infinity?=E2=80=99
=E2=80=98NetBSD on VAX, I guess.=E2=80=99
=E2=80=98VAX! OK. I=E2=80=99m against introducing Math::INFINITY.=E2=80=99
                [Marc-Andre Lafortune, Yugui, Tanaka Akira, ruby-core]




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