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Current Result Document : 4 / 8 ÀÌÀü°Ç ÀÌÀü°Ç   ´ÙÀ½°Ç ´ÙÀ½°Ç

ÇѱÛÁ¦¸ñ(Korean Title) GP-GPUÀÇ Ä³½Ã¸Þ¸ð¸®¸¦ È°¿ëÇϱâ À§ÇÑ º´·Ä ºí·Ï LU ºÐÇØ ÇÁ·Î±×·¥ÀÇ ±¸Çö
¿µ¹®Á¦¸ñ(English Title) Implementation of parallel blocked LU decomposition program for utilizing cache memory on GP-GPUs
ÀúÀÚ(Author) ±è¿µÅ   ±èµÎÇÑ   À¯¸íÇÑ   Youngtae Kim   Doo-han Kim   Myoung-han Yu  
¿ø¹®¼ö·Ïó(Citation) VOL 14 NO. 06 PP. 0041 ~ 0047 (2013. 12)
Çѱ۳»¿ë
(Korean Abstract)
GP-GPU´Â ±×·¡ÇÈ Ã³¸®¸¦ À§ÇÑ GPUÀÇ ´ÙÁß¾²·¹µå¸¦ ÀÏ¹Ý ¼öÄ¡ °è»ê¿¡ È°¿ëÇÏ¿© ÃÊ°í¼ÓÀ¸·Î °è»êÇÏ´Â ÀåÄ¡ÀÌ´Ù. GP-GPU¿¡¼­´Â CPUÀÇ Ä³½Ã¸Þ¸ð¸®¿Í´Â ´Þ¸® ´ÙÁß¾²·¹µå°¡ °øÀ¯ÇÏ´Â °øÀ¯¸Þ¸ð¸®ÀÇ ÇüÅ·Πij½Ã¸Þ¸ð¸®¸¦ Á¦°øÇϸç, °øÀ¯¸Þ¸ð¸®´Â »ç¿ëÀÚ ÇÁ·Î±×·¥¿¡¼­ Á÷Á¢ Á¦¾îÇÒ ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â GP-GPUÀÇ Ä³½Ã¸Þ¸ð¸®¸¦ »ç¿ëÇÏ¿© °è»ê ¼º´ÉÀ» Çâ»ó½ÃÅ°±â À§ÇÑ ºí·Ï ±¸Á¶ÀÇ º´·Ä LU ºÐÇØ ÇÁ·Î±×·¥À» ±¸ÇöÇÏ¿´´Ù. Nvidia CUDA C·Î ±¸ÇöµÈ º´·Ä ºí·Ï LU ºÐÇØ ÇÁ·Î±×·¥Àº µ¿ÀÏÇÑ GP-GPU »ó¿¡¼­ ÀÏ¹Ý LU ºÐÇØ ÇÁ·Î±×·¥¿¡ ºñ±³ÇÏ¿© 7~8¹è ÀÌ»óÀÇ ¼Óµµ °³¼±À» º¸¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
GP-GPUs are general purposed GPUs for numerical computation based on multiple threads which are originally for graphic processing. GP-GPUs provide cache memory in a form of shared memory which user programs can access directly, unlikely typical cache memory. In this research, we implemented the parallel block LU decomposition program to utilize cache memory in GP-GPUs. The parallel blocked LU decomposition program designed with Nvidia CUDA C run 7~8 times faster than nun-blocked LU decomposition program in the same GP-GPU computation environment.
Å°¿öµå(Keyword) LU ºÐÇØ ÇÁ·Î±×·¥   GP-GPU   Nvidia CUDA   º´·ÄÇÁ·Î±×·¥   LU decomposition   GP-GPU   Nvidia CUDA   Parallel program  
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