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

OK, Let's begin. Hello, Everybody.
My name is Narihiro Nakamura.
Today, I'm talking about "Parallel worlds of CRuby's GC".

I'm very happy now, because I'm meeting attendee in rubyconf.
And, one of my dreams is to talk in rubyconf.
So, I'm very happy and exciting.

Today is my first presentation in English.
My English is not good.

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!

authorNari

puts "Hello, Chip!"

authorNari

class Fixnum
  def hour; self * 60 * 60; end
end