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ÇѱÛÁ¦¸ñ(Korean Title) |
½º´©ÇÎ ÇÁ·ÎÅäÄÝÀ» »ç¿ëÇÏ´Â NUMA ½Ã½ºÅÛÀÇ °èÃþÀû ¸µ ±¸Á¶·ÎÀÇ È®Àå |
¿µ¹®Á¦¸ñ(English Title) |
Hierarchical Ring Extension of NUMA Systems using Snooping Protocol |
ÀúÀÚ(Author) |
¼ºÇöÁß
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À强ÅÂ
ÀüÁÖ½Ä
Hyun Joong Sung
Hyung Ho Kim
Seong Tae Jhang
Chu Shik Jhon
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¿ø¹®¼ö·Ïó(Citation) |
VOL 26 NO. 11 PP. 1305 ~ 1317 (1999. 11) |
Çѱ۳»¿ë (Korean Abstract) |
NUMA ±¸Á¶´Â ¿ø°Ý ¸Þ¸ð¸®¿¡ ´ëÇÑ Á¢±ÙÀÌ ºÒ°¡ÇÇÇÑ ±¸Á¶Àû Ư¼º ¶§¹®¿¡ »óÈ£ ¿¬°á¸ÁÀÌ ¼º´ÉÀ» Á¿ìÇÏ´Â Å« º¯¼ö°¡ µÈ´Ù. ±âÁ¸¿¡ ´ëÁßÀûÀ¸·Î »ç¿ëµÇ´ø ¹ö½º´Â ¹°¸®Àû È®À强 ¹× ´ë¿ªÆø¿¡¼ ´ë±Ô¸ð ½Ã½ºÅÛÀ» ±¸¼ºÇÏ´Â µ¥ ÇѰ踦 º¸ÀδÙ. À̸¦ ´ëüÇÏ´Â °í¼ÓÀÇ ÁöÁ¡°£ ¸µÅ©¸¦ »ç¿ëÇÑ ¸µ ±¸Á¶´Â ¹ö½º°¡ °¡Áö´Â È®À强 ¹× ´ë¿ªÆøÀÇ ÇÑ°è¶ó´Â ´ÜÁ¡À» °³¼±ÇÏ¿´À¸³ª, ¸¹Àº Ŭ·¯½ºÅÍ°¡ ¿¬°áµÇ´Â °æ¿ì¿¡´Â Àü¼Û Áö¿¬½Ã°£ÀÌ Áõ°¡ÇÏ´Â ¹®Á¦Á¡À» °¡Áö°í ÀÖ´Ù. º» ³í¹®¿¡¼´Â ½º´©ÇÎ ÇÁ·ÎÅäÄÝÀÌ Àû¿ëµÈ ¸µ ±¸Á¶¿¡¼ Ŭ·¯½ºÅÍ °³¼ö Áõ°¡¿¡ µû¸¥ Áö¿¬½Ã°£ Áõ°¡ÀÇ ¹®Á¦Á¡À» º¸¿ÏÇϱâ À§ÇØ °èÃþÀû ¸µ ±¸Á¶·ÎÀÇ È®ÀåÀ» Á¦¾ÈÇÏ°í, ÀÌ ±¸Á¶¿¡ È¿°úÀûÀΠij½¬ ÀÏ°ü¼º ÇÁ·ÎÅäÄÝÀ» ¼³°èÇÏ¿´´Ù. Àü¿ª ¸µ°ú Áö¿ª ¸µÀ» ¿¬°áÇÏ´Â ºê¸®Áö´Â ij½¬ ÇÁ·ÎÅäÄÝÀ» °ü¸®Çϸç ÀÌ ÇÁ·ÎÅäÄÝ¿¡ ÀÇÇØ Áö¿ª ¸µÀÇ ºÎÇϸ¦ ÁÙÀÏ ¼ö ÀÖµµ·Ï Æ®·£Àè¼ÇÀ» ÇÊÅ͸µÇÏ´Â ¿ªÇÒµµ ´ã´çÇÔÀ¸·Î½á ½Ã½ºÅÛÀÇ ¼º´ÉÀ» Çâ»ó½ÃŲ´Ù. probability-driven ½Ã¹Ä·¹ÀÌÅ͸¦ ÅëÇØ °èÃþÀû ¸µ ±¸Á¶°¡ ½Ã½ºÅÛÀÇ ¼º´É ¹× ¸µ ÀÌ¿ë·ü¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº»´Ù. |
¿µ¹®³»¿ë (English Abstract) |
Since NUMA architecture has to access remote memory, interconnection network performance determines performance of NUMA architecture. Bus, which has been used as popular interconnection network of NUMA, has a limit to build a large-scale system because of limited physical scalability and bandwidth. Ring interconnection network, composed of high-speed point-to-point link, made up for bus's defects of scalability and bandwidth. But, it also has problem of increasing delay as the number of clusters is increased. In this paper, we propose a hierarchical expansion of snoop-based ring architecture in order to overcome ring's defects of increasing delay. And we also design an efficient cache coherence protocol adopted to this architecture. Bridge, which connects local ring and global ring, maintains cache coherence protocol and does snoop-filtering which reduces local ring and cluster bus utilization. Therefore bridge can improve performance of this system. We analyze effects of hierarchical architecture on the performance of system and utilization of point-to-point links using probability-driven simulator. |
Å°¿öµå(Keyword) |
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