From: Yukihiro Matsumoto <matz@...>
Date: 2010-08-21T08:56:13+09:00
Subject: Re: Ruby GC question (MRI, JRuby, etc)

Hi,

In message "Re: Ruby GC question (MRI, JRuby, etc)"
    on Sat, 21 Aug 2010 08:15:15 +0900, Jörg W Mittag <JoergWMittag+Ruby@GoogleMail.Com> writes:

|In particular, the GC algorithms in MRI and YARV are specifically
|designed with the assumption that they will never actually run in
|99.999% of all cases. They are designed for scripting, where a script
|doesn't even allocate enough memory to trigger a collection, runs for
|a couple of seconds and then exits, after which the OS simply reclaims
|the memory: no GC needed.

99.999% is a bit over-exaggerated, but it is true that garbage
collection algorithm of YARV and MRI focus for throughput on
non-memory extensive short-running programs, and GC of REE is not
suitable for those programs.

							matz.