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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ ³í¹®Áö A : ½Ã½ºÅÛ ¹× ÀÌ·Ð

Á¤º¸°úÇÐȸ ³í¹®Áö A : ½Ã½ºÅÛ ¹× ÀÌ·Ð

Current Result Document : 10 / 25 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) Ç÷¡½Ã ¸Þ¸ð¸® ±â¹ÝÀÇ °¡»ó ¸Þ¸ð¸® ½Ã½ºÅÛÀ» À§ÇÑ Áߺ¹¼ºÀ» °í·ÁÇÑ GC ±â¹ý
¿µ¹®Á¦¸ñ(English Title) Duplication-Aware Garbage Collection for Flash Memory-Based Virtual Memory Systems
ÀúÀÚ(Author) Áö½Â±¸   ½Åµ¿±º   Seunggu Ji   Dongkun Shin  
¿ø¹®¼ö·Ïó(Citation) VOL 37 NO. 03 PP. 0161 ~ 0171 (2010. 06)
Çѱ۳»¿ë
(Korean Abstract)
ÀÓº£µðµå ½Ã½ºÅÛÀÌ ¸ð³î¸®½Ä(monolithic) Ä¿³ÎÀ» »ç¿ëÇϸ鼭, NAND Ç÷¡½Ã ¸Þ¸ð¸®´Â °¡»ó ¸Þ¸ð¸® ½Ã½ºÅÛÀÇ ½º¿Ò(swap) °ø°£À» À§ÇØ »ç¿ëµÇ°í ÀÖ´Ù. Ç÷¡½Ã ¸Þ¸ð¸®´Â ÀúÀü·Â ¼Òºñ, Ãæ°Ý ³»±¸¼º, ºñ Èֹ߼ºÀÇ ÀåÁ¡À» °¡ÁöÁö¸¸, ¡®¾²±â Àü »èÁ¦¡¯ÀÇ Æ¯Â¡ ¶§¹®¿¡ °¡ºñÁö Ä÷º¼Ç(GC) ÀÛ¾÷ÀÌ ÇÊ¿äÇÏ´Ù. GC ±â¹ýÀÇ È¿À²¼ºÀº Ç÷¡½Ã ¸Þ¸ð¸® ¼º´É¿¡ Å« ¿µÇâÀ» ¹ÌÄ£´Ù. º» ³í¹®¿¡¼­´Â Ç÷¡½Ã ¸Þ¸ð¸®¸¦ ±â¹ÝÀ¸·Î ÇÏ´Â °¡»ó¸Þ¸ð¸® ½Ã½ºÅÛ¿¡¼­ ¸ÞÀÎ ¸Þ¸ð¸®¿Í Ç÷¡½Ã ¸Þ¸ð¸® »çÀÌ¿¡ Áߺ¹µÈ µ¥ÀÌÅ͸¦ È°¿ëÇÑ »õ·Î¿î GC ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ±â¹ýÀº GC ºÎÇϸ¦ ÃÖ¼ÒÈ­Çϱâ À§ÇØ µ¥ÀÌÅÍÀÇ Áö¿ª¼ºÀ» °í·ÁÇÑ´Ù. ½ÇÇè °á°ú´Â Á¦¾ÈµÈ GC±â¹ýÀÌ ÀÌÀüÀÇ ±â¹ý°ú ºñ±³ÇÏ¿© Æò±ÕÀûÀ¸·Î 37%ÀÇ ¼º´ÉÀ» Çâ»ó½ÃÅ´À» º¸¿©ÁØ´Ù.
¿µ¹®³»¿ë
(English Abstract)
As embedded systems adopt monolithic kernels, NAND flash memory is used for swap space of virtual memory systems. While flash memory has the advantages of low-power consumption, shock-resistance and non-volatility, it requires garbage collections due to its erase-before-write characteristic. The efficiency of garbage collection scheme largely affects the performance of flash memory. This paper proposes a novel garbage collection technique which exploits data redundancy between the main memory and flash memory in flash memory-based virtual memory systems. The proposed scheme takes the locality of data into consideration to minimize the garbage collection overhead. Experimental results demonstrate that the proposed garbage collection scheme improves performance by 37% on average compared to previous schemes.
Å°¿öµå(Keyword) NAND Ç÷¡½Ã ¸Þ¸ð¸®   Ç÷¡½Ã º¯È¯ °èÃþ   °¡ºñÁö Ä÷º¼Ç   °¡»ó ¸Þ¸ð¸®   ¹öÆÛ °ü¸®   NAND flash memory   Flash Translation Layer (FTL)   Garbage Collection   Virtual Memory   Buffer Management  
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