M
Makoto Ishikawa
Researcher at Hitachi
Publications - 15
Citations - 235
Makoto Ishikawa is an academic researcher from Hitachi. The author has contributed to research in topics: Low-power electronics & Media processor. The author has an hindex of 8, co-authored 15 publications receiving 235 citations.
Papers
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Proceedings ArticleDOI
A resume-standby application processor for 3G cellular phones
Tatsuya Kamei,Makoto Ishikawa,T. Hiraoka,Takahiro Irita,M. Abe,Y. Saito,Y. Tawara,H. Ide,M. Furuyama,Saneaki Tamaki,Y. Yasu,Yasuhisa Shimazaki,Masanao Yamaoka,Hiroyuki Mizuno,Naohiko Irie,Osamu Nishii,Fumio Arakawa,K. Hirose,S. Yoshioka,T. Hattori +19 more
TL;DR: A 389MIPS application processor for 3G cellular phones is implemented in a 0.13/spl mu/m dual-V, process and provides a resume-standby mode with a quick recovery feature using data retention of memory.
Proceedings ArticleDOI
An embedded processor core for consumer appliances with 2.8GFLOPS and 36M polygons/s FPU
Fumio Arakawa,T. Yoshinaga,Tomoichi Hayashi,Yoshikazu Kiyoshige,T. Okada,M. Nishibori,T. Hiraoka,Motokazu Ozawa,Tomoyuki Kodama,Takahiro Irita,Tatsuya Kamei,Makoto Ishikawa,Yusuke Nitta,Osamu Nishii,T. Hattori +14 more
TL;DR: In this article, an embedded processor core implemented in a 130nm CMOS process runs at 400MHz and achieves 720MIPS with a power of 250mW and 2.8GFLOPS.
Journal Article
An Embedded Processor Core for Consumer Appliances with 2.8GFLOPS and 36 M Polygons/sFPU
Fumio Arakawa,Motokazu Ozawa,Osamu Nishii,Toshihiro Hattori,Takeshi Yoshinaga,Tomoichi Hayashi,Yoshikazu Kiyoshige,Takashi Okada,Masakazu Nishibori,Tomoyuki Kodama,Tatsuya Kamei,Makoto Ishikawa +11 more
TL;DR: An embedded-processor core implemented in a 130nm CMOS process runs at 400MHz and achieves 720MIPS with a power of 250mW and 2.8GFLOPS, suitable for digital consumer appliances.
Proceedings ArticleDOI
A 45nm 37.3GOPS/W heterogeneous multi-core SoC
Yoichi Yuyama,Masayuki Ito,Yoshikazu Kiyoshige,Yusuke Nitta,Shigezumi Matsui,Osamu Nishii,Atsushi Hasegawa,Makoto Ishikawa,Tetsuya Yamada,Junichi Miyakoshi,Koichi Terada,Tohru Nojiri,Makoto Satoh,Hiroyuki Mizuno,Kunio Uchiyama,Yasutaka Wada,Keiji Kimura,Hironori Kasahara,Hideo Maejima +18 more
TL;DR: A heterogeneous multi-core SoC for applications, such as digital TV systems with IP networks (IP-TV) including image recognition and database search, and automatic parallelization compilers analyze parallelism of the data flow, generate coarse grain tasks, and schedule tasks to minimize execution time considering data transfer overhead for general-purpose CPU and FE.
Patent
Microcontroller and controlling system
TL;DR: In this article, a microcontroller with a floating-point arithmetic logic unit is presented, in which the increase in the program code for performing floating point arithmetic is suppressed, and the processing overhead for converting fixed-point data into floating point data is reduced.