ºÇ½ª¹¹¿·¡§
author_nari 2008ǯ11·î03Æü(·î) 13:07:33ÍúÎò
Àè¤ËMark¡õCompact¤Ë¤Ä¤¤¤ÆÀâÌÀ¤·¤Æ¤ª¤¯¡£
´Êñ¤Ë¸À¤¨¤Ð¡¢Mark¤ò¹Ô¤Ã¤¿¸å¤Ç¡¢¥Õ¥é¥°¥á¥ó¥È²½¤·¤¿HeapÎΰè¤òºÆÇÛÃÖ¤·¡¢
Compaction¤ò¹Ô¤¦¼êË¡¤Ç¤¢¤ë¡£
CopyingGC¤Ç¤Ïʬ³ä¤µ¤ì¤¿HeapÎΰè¤Ë¤ÆCompaction¤ò¹Ô¤Ã¤Æ¤¤¤¿¤¬¡¢
¤³¤Î¥¢¥ë¥´¥ê¥º¥à¤Ç¤ÏHeapÎΰè¤Ïʬ³ä¤»¤ºÃ±°ì¤ÎHeapÎΰèÆâ¤Ç¹Ô¤¦»ö¤¬²Äǽ¡£
¤â¤Á¤í¤ó¡¢Compaction¤ò¹Ô¤¦¤³¤È¤Ç¥á¥â¥ê¤Î¶É½êÀ¤¬¤Þ¤·¥¥ã¥Ã¥·¥å¤Ê¤É¿§¡¹¤Ê²¸·Ã¤ò¼õ¤±¤ë¤³¤È¤¬¤Ç¤¤ë¡£
¤Þ¤¿¡¢¥ª¥Ö¥¸¥§¥¯¥È¤Î³ä¤êÅö¤Æ¤â¥Ý¥¤¥ó¥¿¤ò¤º¤é¤¹¤À¤±¤Ê¤Î¤ÇÁᤤ¡£
¤·¤«¤·¡¢¤½¤Îʬ¡¢ºÆÇÛÃ֤ˤ«¤«¤ë»þ´Ö¤¬¥×¥é¥¹¤µ¤ìÄä»ß»þ´Ö¤ÏÁýÂ礹¤ë¡£
¤Þ¤¿¡¢Compaction»þ¤Ë¥Ý¥¤¥ó¥¿¤ò¹¹¿·¤¹¤ë°Ù¡¢¸¶Â§¤È¤·¤ÆConsevertive¤ÊGC¤Ë¤Ï»È¤¨¤Ê¤¤¡£
¤³¤³¤Ç¾Ò²ð¤¹¤ë¤Î¤ÏMark&Compact¤Î¼êË¡¤Î°ì¤Ä¤Ç¤¢¤ëTwoFinger¥¢¥ë¥´¥ê¥º¥à¤Ç¤¢¤ë¡£
¿Þ¤ò¸«¤Æ¤â¤é¤¦¤Èʬ¤«¤ë¤È¤ª¤ê¡Öfree¡×¡Ölive¡×¤ÎÆó¤Ä¤Î¥Ý¥¤¥ó¥¿¤ò»È¤¦¡£¡Ê¤³¤ì¤¬Ì¾Á°¤ÎͳÍè¤À¤È»×¤¦¡Ë
¤Þ¤º¡¢Mark¥Õ¥§¥¤¥º¤ÇÀ¸¤¤Æ¤¤¤ëObject¤ò¿ô¤¨¤Æ¤ª¤¯¡£
¤½¤Î¸å¡¢¾å¿Þ¤Î¤è¤¦¤Ëξü¤«¤éscan¤·¤Æ¤æ¤¡¢free¤Èlive¤¬½Ð²ñ¤Ã¤¿¤éCompaction¤Ï½ªÎ»¡£
¤½¤Î¸å¡¢CopyingGC¤òƱ¤¸ÍͤËroot¤Ç¤µ¤·¤Æ¤¤¤¿¥Ý¥¤¥ó¥¿¡¢¥ª¥Ö¥¸¥§¥¯¥ÈÆâ¤Ç»Ø¤·¤Æ¤¤¤ë¥Ý¥¤¥ó¥¿¤Î
½ñ¤´¹¤¨¤ò¹Ô¤¦¡£
¤½¤ÎºÝ¡¢¥Ý¥¤¥ó¥¿¤¬live¤òĶ¤¨¤Æ¤¤¤ì¤Ð°ÜÆ°¤µ¤ì¤¿»ö¤Ë¤Ê¤ë¤Î¤Ç
(¼°¤ÏÊ·°Ïµ¤¤Î¤ßÌ£¤ï¤Ã¤ÆÍߤ·¤¤)
´Êñ¤Ë¸À¤¨¤Ð¡¢Mark¤ò¹Ô¤Ã¤¿¸å¤Ç¡¢¥Õ¥é¥°¥á¥ó¥È²½¤·¤¿HeapÎΰè¤òºÆÇÛÃÖ¤·¡¢
Compaction¤ò¹Ô¤¦¼êË¡¤Ç¤¢¤ë¡£
CopyingGC¤Ç¤Ïʬ³ä¤µ¤ì¤¿HeapÎΰè¤Ë¤ÆCompaction¤ò¹Ô¤Ã¤Æ¤¤¤¿¤¬¡¢
¤³¤Î¥¢¥ë¥´¥ê¥º¥à¤Ç¤ÏHeapÎΰè¤Ïʬ³ä¤»¤ºÃ±°ì¤ÎHeapÎΰèÆâ¤Ç¹Ô¤¦»ö¤¬²Äǽ¡£
¤â¤Á¤í¤ó¡¢Compaction¤ò¹Ô¤¦¤³¤È¤Ç¥á¥â¥ê¤Î¶É½êÀ¤¬¤Þ¤·¥¥ã¥Ã¥·¥å¤Ê¤É¿§¡¹¤Ê²¸·Ã¤ò¼õ¤±¤ë¤³¤È¤¬¤Ç¤¤ë¡£
¤Þ¤¿¡¢¥ª¥Ö¥¸¥§¥¯¥È¤Î³ä¤êÅö¤Æ¤â¥Ý¥¤¥ó¥¿¤ò¤º¤é¤¹¤À¤±¤Ê¤Î¤ÇÁᤤ¡£
¤·¤«¤·¡¢¤½¤Îʬ¡¢ºÆÇÛÃ֤ˤ«¤«¤ë»þ´Ö¤¬¥×¥é¥¹¤µ¤ìÄä»ß»þ´Ö¤ÏÁýÂ礹¤ë¡£
¤Þ¤¿¡¢Compaction»þ¤Ë¥Ý¥¤¥ó¥¿¤ò¹¹¿·¤¹¤ë°Ù¡¢¸¶Â§¤È¤·¤ÆConsevertive¤ÊGC¤Ë¤Ï»È¤¨¤Ê¤¤¡£
¤³¤³¤Ç¾Ò²ð¤¹¤ë¤Î¤ÏMark&Compact¤Î¼êË¡¤Î°ì¤Ä¤Ç¤¢¤ëTwoFinger¥¢¥ë¥´¥ê¥º¥à¤Ç¤¢¤ë¡£
¿Þ¤ò¸«¤Æ¤â¤é¤¦¤Èʬ¤«¤ë¤È¤ª¤ê¡Öfree¡×¡Ölive¡×¤ÎÆó¤Ä¤Î¥Ý¥¤¥ó¥¿¤ò»È¤¦¡£¡Ê¤³¤ì¤¬Ì¾Á°¤ÎͳÍè¤À¤È»×¤¦¡Ë
¤Þ¤º¡¢Mark¥Õ¥§¥¤¥º¤ÇÀ¸¤¤Æ¤¤¤ëObject¤ò¿ô¤¨¤Æ¤ª¤¯¡£
¤½¤Î¸å¡¢¾å¿Þ¤Î¤è¤¦¤Ëξü¤«¤éscan¤·¤Æ¤æ¤¡¢free¤Èlive¤¬½Ð²ñ¤Ã¤¿¤éCompaction¤Ï½ªÎ»¡£
¤½¤Î¸å¡¢CopyingGC¤òƱ¤¸ÍͤËroot¤Ç¤µ¤·¤Æ¤¤¤¿¥Ý¥¤¥ó¥¿¡¢¥ª¥Ö¥¸¥§¥¯¥ÈÆâ¤Ç»Ø¤·¤Æ¤¤¤ë¥Ý¥¤¥ó¥¿¤Î
½ñ¤´¹¤¨¤ò¹Ô¤¦¡£
¤½¤ÎºÝ¡¢¥Ý¥¤¥ó¥¿¤¬live¤òĶ¤¨¤Æ¤¤¤ì¤Ð°ÜÆ°¤µ¤ì¤¿»ö¤Ë¤Ê¤ë¤Î¤Ç
if (pointer > live) pointer = Heap[pointer]¤È¤¤¤Ã¤¿·Á¤Ç¥Ý¥¤¥ó¥¿¤ò¹¹¿·¤¹¤ë¡£
(¼°¤ÏÊ·°Ïµ¤¤Î¤ßÌ£¤ï¤Ã¤ÆÍߤ·¤¤)
- ¥ª¥Ö¥¸¥§¥¯¥È¤Î¥µ¥¤¥º¤¬Æ±¤¸¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤(¥µ¥¤¥º¤Î°ã¤¤Ëè¤ËHeap¤òºî¤ë»ö¤Ç²óÈò²Äǽ)
- ½ç½ø¤¬¥Ð¥é¥Ð¥é¤Ë¤Ê¤ê¶É½êÀ¤¬Äã²¼¤¹¤ë
- ¥«¥Æ¥´¥ê¡§
- ¥Ñ¥½¥³¥ó
- ¥¬¡¼¥Ù¥Ã¥¸¥³¥ì¥¯¥¿¡ÊGC¡Ë
¤³¤Î¥Ú¡¼¥¸¤Ø¤Î¥³¥á¥ó¥È
Hi, I think your blog might be having browser compatibility issues. When I look at your website in Chrome, it looks fine but when opening in Internet Explorer, it has some overlapping. I just wanted to give you a quick heads up! Other then that, great blog!|
¥·¡¼¥Ð¥¤¥¯¥í¥¨ ºâÉÛ ¿·ºî 2013 http://www.koobe.org/
Write more, thats all I have to say. Literally, it seems as though you relied on the video to make your point. You definitely know what youre talking about, why waste your intelligence on just posting videos to your blog when you could be giving us something informative to read?|
¥¢¥° ¥Ö¡¼¥Ä Àµµ¬ÉÊ http://www.mwhittlephoto.com/