[#54738] [ruby-trunk - Bug #8358][Open] TestSprintf#test_float test failuer on mingw32 — "phasis68 (Heesob Park)" <phasis@...>

36 messages 2013/05/02

[#54749] [ruby-trunk - Feature #8361][Open] Alternative syntax for block parameter — "alexeymuranov (Alexey Muranov)" <redmine@...>

12 messages 2013/05/02

[#54798] [ruby-trunk - Bug #8370][Open] Constants MAX_MULTIPART_LENGTH in cgi\core.rb — "xibbar (Takeyuki FUJIOKA)" <xibbar@...>

17 messages 2013/05/05

[#54850] [ruby-trunk - Feature #8377][Open] Deprecate :: for method calls in 2.1 — "charliesome (Charlie Somerville)" <charliesome@...>

27 messages 2013/05/07

[#54881] [ruby-trunk - Bug #8384][Open] Cannot build ruby against OpenSSL build with "no-ec2m" — "vo.x (Vit Ondruch)" <v.ondruch@...>

16 messages 2013/05/09

[#54921] [ruby-trunk - Bug #8393][Open] A class who's parent class is in a module can go wrong if files are required in the wrong order — "eLobato (Daniel Lobato Garcia)" <elobatocs@...>

15 messages 2013/05/12

[#54939] [ruby-trunk - Bug #8399][Open] Remove usage of RARRAY_PTR in C extensions when not needed — "dbussink (Dirkjan Bussink)" <d.bussink@...>

32 messages 2013/05/12

[#55053] [ruby-trunk - Feature #8426][Open] Implement class hierarchy method caching — "charliesome (Charlie Somerville)" <charliesome@...>

21 messages 2013/05/19

[#55096] [ruby-trunk - Feature #8430][Open] Rational number literal — "mrkn (Kenta Murata)" <muraken@...>

28 messages 2013/05/21

[#55197] [ruby-trunk - Feature #8461][Open] Easy way to disable certificate checking in XMLRPC::Client — "herwinw (Herwin Weststrate)" <herwin@...>

11 messages 2013/05/29

[ruby-core:54812] [ruby-trunk - Feature #8339] Introducing Geneartional Garbage Collection for CRuby/MRI

From: "sam.saffron (Sam Saffron)" <sam.saffron@...>
Date: 2013-05-06 02:47:01 UTC
List: ruby-core #54812
Issue #8339 has been updated by sam.saffron (Sam Saffron).


@ko1 can we backport the GC optimisations (non rgengc ones in this branch into 2.0? ) 
----------------------------------------
Feature #8339: Introducing Geneartional Garbage Collection for CRuby/MRI
https://bugs.ruby-lang.org/issues/8339#change-39152

Author: ko1 (Koichi Sasada)
Status: Open
Priority: Normal
Assignee: ko1 (Koichi Sasada)
Category: core
Target version: current: 2.1.0


|  One day a Rubyist came to Koichi and said, "I understand how to improve 
|  CRuby's performance. We must use a generational garbage collector." Koichi
|  patiently told the Rubyist the following story: "One day a Rubyist came 
|  to Koichi and said, 'I understand how to improve CRuby's performance..."
|  [This story is an homage of an introduction in a paper:
|   "A real-time garbage collector based on the lifetimes of objects"
|   (by Henry Lieberman, Carl Hewitt)
|   <http://dl.acm.org/citation.cfm?id=358147&CFID=321285546&CFTOKEN=10963356>]

We Heroku Matz team developed a new generational mark&sweep garbage
collection algorithm RGenGC for CRuby/MRI.
(correctly speaking, it is generational marking algorithm)

What goods are:

  * Reduce marking time (yay!)
  * My algorithm doesn't introduce any incompatibility into normal C-exts.
  * Easy to development

Please read more details in attached PDF file.
Code is: https://github.com/ko1/ruby/tree/rgengc

How about to introduce this new GC algorithm/implementation into Ruby 2.1.0?

Thanks,
Koichi



-- 
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