Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
¸ð¹ÙÀÏ ±×·¡ÇÈ °¡¼Ó±â¿ë ºÎµ¿¼Ò¼öÁ¡ Àý»ç ½Â»ê±â ¼³°è |
¿µ¹®Á¦¸ñ(English Title) |
Design of a Truncated Floating-Point Multiplier for Graphic Accelerator of Mobile Devices |
ÀúÀÚ(Author) |
Á¶¿ë¼º
ÀÌ¿ëȯ
Young-sung Cho
yong-hwan Lee
|
¿ø¹®¼ö·Ïó(Citation) |
VOL 11 NO. 03 PP. 0563 ~ 0569 (2007. 03) |
Çѱ۳»¿ë (Korean Abstract) |
¸ð¹ÙÀÏ Åë½Å ¼ºñ½ºÀÇ ¹ßÀü°ú ¹ÝµµÃ¼ ±â¼úÀÇ ¹ß´Þ·Î ¸ð¹ÙÀÏ ±â±â¿¡ ¸ÖƼ¹Ìµð¾î ¼ºñ½º¿Í 2D/3D °ÔÀÓ°ú °°ÀÌ °í¼öÁØÀÇ ±×·¡ÇÈ Ã³¸®¸¦ ÇÊ¿ä·Î ÇÏ´Â ÄÜÅÙÃ÷°¡ °¡´ÉÇÏ°Ô µÇ¾ú´Ù. ¸ð¹ÙÀÏ ±â±â´Â Ư¼º»ó ´õ¿í ÀÛÀº Ĩ ¸éÀû°ú ÀúÀü·Â ¼ÒºñÀÇ Á¶°ÇÀÌ ¸¸Á·µÇ¾î¾ß Çϸç, º» ³í¹®¿¡¼´Â ÀÌ·¯ÇÑ ¸ð¹ÙÀÏ ±â±â¿¡ Àû¿ë °¡´ÉÇÑ 2D/3D º¤ÅÍ ±×·¡ÇÈ Ã³¸®¿ë ºÎµ¿¼Ò¼öÁ¡ Àý»çÇü ½Â»ê±â¸¦ ¼³°èÇÑ´Ù. º» ³í¹®ÀÇ ½Â»ê±â´Â ±âº»ÀûÀ¸·Î radix-4 Booth ÀÎÄÚµùÀ» Àû¿ëÇÏ°í, ¸éÀû°ú Àü·Â¼Ò¸ð¸¦ ÁÙÀ̱â À§ÇÏ¿© Àý»ç¹æ½ÄÀ» »ç¿ëÇÑ´Ù. ±¸ÇöµÈ Àý»çÇü ½Â»ê±â´Â Æò±Õ ÆÛ¼¾Æ® ¿ÀÂ÷°¡ 0.00003% Á¤µµ·Î ¸ð¹ÙÀÏ ±â±â¿¡ ÃæºÐÈ÷ Àû¿ë°¡´ÉÇÏ´Ù. ½Â»ê±â´Â 0.35um CMOS ¼¿ ¶óÀ̺귯¸®¸¦ ÀÌ¿ëÇÏ¿© ³í¸® ÇÕ¼ºµÇ¾ú°í, ±× °á°ú Àý»çµÇÁö ¾ÊÀº ±âÁ¸ÀÇ radix-4 Booth ½Â»ê±â¿¡ ºñÇØ °ÔÀÌÆ® ¼ö°¡ ¾à 33.8%Á¤µµ °¨¼ÒÇÏ¿´´Ù. |
¿µ¹®³»¿ë (English Abstract) |
As the mobile communication and the semiconductor technology is improved continuously, mobile contents such as the multimedia service and the 2D/3D graphics which require high level graphics are serviced recently. Mobile chips should consume small die area and low power. In this paper, we design a truncated floating-point multiplier that is useful for the 2D/3D vector graphics in mobile devices. The truncated multiplier is based on the radix-4 Booth's encoding algorithm and a truncation algorithm is used to achieve small area and low power. The average percent error of the multiplier is as small as 0.00003% and neglectable for mobile applications. The synthesis result using 0.35um CMOS cell library shows that the number of gates for the truncated multiplier is only 33.8 percent of the conventional radix-4 Booth's multiplier. |
Å°¿öµå(Keyword) |
Floating-point
Multiplier
2D/3D Graphics
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ÆÄÀÏ÷ºÎ |
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