authorNari

require "irb"

Encoding.default_internal = "cp932"
Encoding.default_external = "cp932"
path = "/home/nari/.rvm/rubies/ruby-1.9.2-p136/lib/ruby/1.9.1/irb/lc/ja/error.rb"
src = IRB::MagicFile.open(path){|f| f.read}
p src.encoding
eval(src)

authorNari

CRuby's Parallel Marking (Draft)(Ja)

ソースコード: https://github.com/authorNari/ruby
※まだ実装中

1 Abstract
並列スレッドの仕事分配には「Arora's Task Stealing Deque」のアルゴリズムを利用する。
http://doi.acm.org/10.1145/277651.277678
また、並列マークの実装の大部分はOpenJDK7のコードを参考に独自改良したものである。

authorNari

# -*- coding: utf-8 -*-
$screen_names_of_me ||= []
$screen_names_of_timeline ||= []
$words_of_timeline ||= []
$tweet_counts ||= {}
$tweet_limit_of_day = 2

Earthquake.init do
  output do |item|
    next unless item["event"]

authorNari

  ADLParser
  ALLOCATION_SUPER_CLASS_SPEC
  AbsSeq
      NumberSeq
      TruncatedSeq
  AbstractGangTask
      CMConcurrentMarkingTask
      CMRemarkTask
      CMSParRemarkTask
      CMSRefEnqueueTaskProxy

authorNari

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct data {
    int flag;
    struct data *next;
} data_t;

static data_t *top = NULL;

authorNari

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>

#define FALSE 0
#define TRUE 1

typedef uint32_t half_word;
union deque_age {

authorNari

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>

#define FALSE 0
#define TRUE 1

typedef uint32_t half_word;
union deque_age {

authorNari

diff --git a/gc.c b/gc.c
index d5b8dfd..08c0aea 100644
--- a/gc.c
+++ b/gc.c
@@ -1277,7 +1277,8 @@ ruby_get_stack_grow_direction(volatile VALUE *addr)
 }
 #endif
 
-#define GC_WATER_MARK 512
+#define GC_LEVEL_MAX 250

authorNari

= done
- introduce
  [in]tro(du)ce 
- atomically
  a..(to)mically
- substantially
  subs(tan)tially
- decreases
  [de] c(rea)ses
- algorithm  あるごうぃーずむ

authorNari

Narihiro Nakamura is a research worker at Network Applied Communication Laboratory Ltd..

He is a CRuby committer. And he is a Garbage Collection lover. So, he works on GC in CRuby.
Lazy Sweep GC is one of his works for CRuby's GC. You can use it since Ruby 1.9.3!