• 1628 引用
  • 20 h指数
1987 …2020

年単位の研究成果

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

Efficient leakage power saving by sleep depth controlling for multi-mode power gating

Takeda, S., Miwa, S., Usami, K. & Nakamura, H., 2012 7 16, Proceedings of the 13th International Symposium on Quality Electronic Design, ISQED 2012. p. 625-632 8 p. 6187558. (Proceedings - International Symposium on Quality Electronic Design, ISQED).

研究成果: Conference contribution

4 引用 (Scopus)

Dynamic VDD switching technique and mapping optimization in dynamically reconfigurable processor for efficient energy reduction

Yamamoto, T., Hironaka, K., Hayakawa, Y., Kimura, M., Amano, H. & Usami, K., 2011 4 4, Reconfigurable Computing: Architectures, Tools and Applications - 7th International Symposium, ARC 2011, Proceedings. p. 230-241 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 6578 LNCS).

研究成果: Conference contribution

9 引用 (Scopus)
5 引用 (Scopus)

Dynamic power control with a heterogeneous multi-core system using a 3-D wireless inductive coupling interconnect

Koizumi, Y., Amano, H., Matsutani, H., Miura, N., Kuroda, T., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2012 12 1, FPT 2012 - 2012 International Conference on Field-Programmable Technology. p. 293-296 4 p. 6412150. (FPT 2012 - 2012 International Conference on Field-Programmable Technology).

研究成果: Conference contribution

7 引用 (Scopus)

Digital embedded memory scheme using voltage scaling and body bias separation for low-power system

Yoshida, Y., Usami, K. & Amano, H., 2018 5 29, Proceedings - International SoC Design Conference 2017, ISOCC 2017. Institute of Electrical and Electronics Engineers Inc., p. 148-149 2 p.

研究成果: Conference contribution

1 引用 (Scopus)

Design of a 32-bit Microprocessor, TX1

Tokumaru, T., Masuda, E., Usami, K., Miyata, M., Iwamura, J. & Hori, C., 1989 8, : : IEEE Journal of Solid-State Circuits. 24, 4, p. 938-944 7 p.

研究成果: Article

1 引用 (Scopus)

Design of a 32bit microprocessor, TX1

Tokumaru, T., Masuda, E., Hori, C., Usami, K., Miyata, M. & Iwamura, J., 1988 12 1, p. 33-34. 2 p.

研究成果: Paper

4 引用 (Scopus)

Design methodology of ultra low-power MPEG4 codec core exploiting voltage scaling techniques

Usami, K., Lgarashi, M., Ishikawa, T., Kanazawa, M., Takahashi, M., Hamada, M. & Arakida, H., 1998 1 1, Proceedings 1998 - Design and Automation Conference, DAC 1998. Institute of Electrical and Electronics Engineers Inc., p. 483-488 6 p. 724520. (Proceedings - Design Automation Conference).

研究成果: Conference contribution

29 引用 (Scopus)

DESIGN METHODOLOGY OF STANDARD CELL LAYOUT AND PLA.

Usami, K., Ishii, A., Horie, A. & Iwamura, J., 1987 1 1, : : Proceedings of the Custom Integrated Circuits Conference. p. 379-384 6 p.

研究成果: Conference article

Design and implementation of fine-grain power gating with ground bounce suppression

Usami, K., Shirai, T., Hashida, T., Masuda, H., Takeda, S., Nakata, M., Seki, N., Amano, H., Namiki, M., Imai, M., Kondo, M. & Nakamura, H., 2009 3 30, Proceedings: 22nd International Conference on VLSI Design - Held Jointly with 7th International Conference on Embedded Systems. p. 381-386 6 p. 4749703. (Proceedings: 22nd International Conference on VLSI Design - Held Jointly with 7th International Conference on Embedded Systems).

研究成果: Conference contribution

25 引用 (Scopus)

Design and implementation methodology of energy-efficient Standard Cell Memory with optimized Body-Bias separation in Silicon-on-Thin-BOX

Yoshida, Y. & Usami, K., 2017 6 29, Joint International EUROSOl Workshop and International Conference on Ultimate Integration on Silicon-ULIS, EUROSOI-ULIS 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 43-46 4 p. 7962596

研究成果: Conference contribution

1 引用 (Scopus)

Design and implementation fine-grained power gating on microprocessor functional units

Lei, Z., Ikebuchi, D., Usami, K., Namiki, M., Kondo, M., Nakamura, H. & Amano, H., 2011 12 5, : : IPSJ Transactions on System LSI Design Methodology. 4, p. 182-192 11 p.

研究成果: Article

3 引用 (Scopus)

Design and evaluation of fine-grained power-gating for embedded microprocessors

Kondo, M., Kobyashi, H., Sakamoto, R., Wada, M., Tsukamoto, J., Namiki, M., Wang, W., Amano, H., Matsunaga, K., Kudo, M., Usami, K., Komoda, T. & Nakamura, H., 2014 1 1, Proceedings - Design, Automation and Test in Europe, DATE 2014. Institute of Electrical and Electronics Engineers Inc., 6800359. (Proceedings -Design, Automation and Test in Europe, DATE).

研究成果: Conference contribution

14 引用 (Scopus)

Design and control methodology for fine grain power gating based on energy characterization and code profiling of microprocessors

Usami, K., Kudo, M., Matsunaga, K., Kosaka, T., Tsurui, Y., Wang, W., Amano, H., Kobayashi, H., Sakamoto, R., Namiki, M., Kondo, M. & Nakamura, H., 2014 3 27, 2014 19th Asia and South Pacific Design Automation Conference, ASP-DAC 2014 - Proceedings. p. 843-848 6 p. 6742995. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

9 引用 (Scopus)

Demonstration of a heterogeneous multi-core processor with 3-D inductive coupling links

Koizumi, Y., Miura, N., Take, Y., Matsutani, H., Kuroda, T., Amano, H., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2013 1 1.

研究成果: Paper

Delay modeling and static timing analysis for MTCMOS circuits

Ohkubo, N. & Usami, K., 2006 9 19, Proceedings of the ASP-DAC 2006: Asia and South Pacific Design Automation Conference 2006. p. 570-575 6 p. 1594746. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC; 巻数 2006).

研究成果: Conference contribution

5 引用 (Scopus)

Datapath generator based on gate-level symbolic layout

Matsumoto, N., Watanabe, Y., Usami, K., Sugeno, Y., Hatada, H. & Mori, S., 1990 1 1, 27th ACM/IEEE Design Automation Conference. Proceedings 1990. Publ by IEEE, p. 388-393 6 p. (27th ACM/IEEE Design Automation Conference. Proceedings 1990).

研究成果: Conference contribution

1 引用 (Scopus)

Cool mega-arrays: Ultralow-power reconfigurable accelerator chips

Ozaki, N., Yasuda, Y., Izawa, M., Saito, Y., Ikebuchi, D., Amano, H., Nakamura, H., Usami, K., Namiki, M. & Kondo, M., 2011 11 1, : : IEEE Micro. 31, 6, p. 6-18 13 p., 6060791.

研究成果: Article

39 引用 (Scopus)

Cool mega-array: A highly energy efficient reconfigurable accelerator

Ozaki, N., Yoshihiro, Y., Saito, Y., Ikebuchi, D., Kimura, M., Amano, H., Nakamura, H., Usami, K., Namiki, M. & Kondo, M., 2011 12 1, 2011 International Conference on Field-Programmable Technology, FPT 2011. 6132668. (2011 International Conference on Field-Programmable Technology, FPT 2011).

研究成果: Conference contribution

13 引用 (Scopus)

Code coverage-based power estimation techniques for microprocessors

Qu, G., Kawabe, N., Usami, K. & Potkonjak, M., 2002 10 1, : : Journal of Circuits, Systems and Computers. 11, 5, p. 557-574 18 p.

研究成果: Article

4 引用 (Scopus)

CMA-Cube: A scalable reconfigurable accelerator with 3-D wireless inductive coupling interconnect

Koizumi, Y., Sasaki, E., Amano, H., Matsutani, H., Take, Y., Kuroda, T., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2012 12 12, Proceedings - 22nd International Conference on Field Programmable Logic and Applications, FPL 2012. p. 543-546 4 p. 6339375. (Proceedings - 22nd International Conference on Field Programmable Logic and Applications, FPL 2012).

研究成果: Conference contribution

4 引用 (Scopus)

Clustered voltage scaling technique for low-power design

Usami, K. & Horowitz, M., 1995 1 1, p. 3-8. 6 p.

研究成果: Paper

322 引用 (Scopus)

Clock-gating method for low-power LSI design

Kitahara, T., Minami, F., Ueda, T., Usami, K., Nishio, S., Murakata, M. & Mitsuhashi, T., 1998 12 1, p. 307-312. 6 p.

研究成果: Paper

12 引用 (Scopus)

Cache controller design on ultra low leakage embedded processors

Lei, Z., Xu, H., Seki, N., Yoshiki, S., Hasegawa, Y., Usami, K. & Amano, H., 2009 4 6, : : Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 5455 LNCS, p. 171-182 12 p.

研究成果: Conference article

Building block multi-chip systems using inductive coupling through chip interface

Amano, H., Kuroda, T., Nakamura, H., Usami, K., Kondo, M., Matsutani, H. & Namiki, M., 2018 5 29, Proceedings - International SoC Design Conference 2017, ISOCC 2017. Institute of Electrical and Electronics Engineers Inc., p. 152-154 3 p. (Proceedings - International SoC Design Conference 2017, ISOCC 2017).

研究成果: Conference contribution

Automated selective multi-threshold design for ultra-low standby applications

Usami, K., Kawabe, N., Koizumi, M., Seta, K. & Furusawa, T., 2002 12 1, p. 202-206. 5 p.

研究成果: Paper

60 引用 (Scopus)

Automated low-power technique exploiting multiple supply voltages applied to a media processor

Usami, K., Nogami, K., Igarashi, M., Minami, F., Kawasaki, Y., Ishikawa, T., Kanazawa, M., Aoki, T., Takano, M., Mizuno, C., Ichida, M., Sonoda, S., Takahashi, M. & Hatanaka, N., 1997 1 1, : : Proceedings of the Custom Integrated Circuits Conference. p. 131-134 4 p.

研究成果: Conference article

22 引用 (Scopus)

Automated low-power technique exploiting multiple supply voltages applied to a media processor

Usami, K., Igarashi, M., Minami, F., Ishikawa, T., Kanazawa, M., Ichida, M. & Nogami, K., 1998 3 1, : : IEEE Journal of Solid-State Circuits. 33, 3, p. 463-472 10 p.

研究成果: Article

196 引用 (Scopus)

A thermal management system for building block computing systems

Fujita, Y., Usami, K. & Amano, H., 2014 11 6, Proceedings - 2014 IEEE 8th International Symposium on Embedded Multicore/Manycore SoCs, MCSoC 2014. Institute of Electrical and Electronics Engineers Inc., p. 165-171 7 p. 6949468. (Proceedings - 2014 IEEE 8th International Symposium on Embedded Multicore/Manycore SoCs, MCSoC 2014).

研究成果: Conference contribution

2 引用 (Scopus)

A scheme to reduce active leakage power by detecting state transitions

Usami, K. & Yoshioka, H., 2004 12 1, : : Midwest Symposium on Circuits and Systems. 1, p. I493-I496

研究成果: Conference article

11 引用 (Scopus)

A scalable 3D heterogeneous multicore with an inductive ThruChip interface

Miura, N., Koizumi, Y., Take, Y., Matsutani, H., Kuroda, T., Amano, H., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2013 11 1, : : IEEE Micro. 33, 6, p. 6-15 10 p., 6684194.

研究成果: Article

21 引用 (Scopus)

A scalable 3D heterogeneous multi-core processor with inductive-coupling ThruChip interface

Miura, N., Koizumi, Y., Sasaki, E., Take, Y., Matsutani, H., Kuroda, T., Amano, H., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2013 8 15, IEEE Symposium on Low-Power and High-Speed Chips - Proceedings for 2013 COOL Chips XVI. 6547916. (IEEE Symposium on Low-Power and High-Speed Chips - Proceedings for 2013 COOL Chips XVI).

研究成果: Conference contribution

1 引用 (Scopus)

A scalable 3D heterogeneous multi-core processor with inductive-coupling thruchip interface

Miura, N., Koizumi, Y., Sasaki, E., Take, Y., Matsutani, H., Kuroda, T., Amano, H., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2016 5 24, 2013 IEEE Hot Chips 25 Symposium, HCS 2013. Institute of Electrical and Electronics Engineers Inc., 7478328. (2013 IEEE Hot Chips 25 Symposium, HCS 2013).

研究成果: Conference contribution

Approximate Computing Technique Using Memoization and Simplified Multiplication

Ono, Y. & Usami, K., 2019 6, 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019. Institute of Electrical and Electronics Engineers Inc., 8793369. (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019).

研究成果: Conference contribution

A Perpetuum Mobile 32bit CPU with 13.4pJ/cycle, 0.14μA sleep current using Reverse Body Bias Assisted 65nm SOTB CMOS technology

Ishibashi, K., Sugii, N., Usami, K., Amano, H., Kobayashi, K., Pham, C. K., Makiyama, H., Yamamoto, Y., Shinohara, H., Iwamatsu, T., Yamaguchi, Y., Oda, H., Hasegawa, T., Okanishi, S., Yanagita, H., Kamohara, S., Kadoshima, M., Maekawa, K., Yamashita, T., Le, D. H. および5人, Yomogita, T., Kudo, M., Kitamori, K., Kondo, S. & Manzawa, Y., 2014 1 1, IEEE Symposium on Low-Power and High-Speed Chips - Proceedings for 2014 IEEE COOL Chips XVII. IEEE Computer Society, 6842954. (IEEE Symposium on Low-Power and High-Speed Chips - Proceedings for 2014 IEEE COOL Chips XVII).

研究成果: Conference contribution

20 引用 (Scopus)

A perpetuum mobile 32bit CPU on 65nm SOTB CMOS technology with reverse-body-bias assisted sleep mode

Ishibashi, K., Sugii, N., Kamohara, S., Usami, K., Amano, H., Kobayashi, K. & Pham, C. K., 2015 7 1, : : IEICE Transactions on Electronics. E98C, 7, p. 536-543 8 p.

研究成果: Article

17 引用 (Scopus)

A perpetuum mobile 32bit CPU on 65nm SOTB CMOS technology with reverse-body-bias assisted sleep mode

Kamohara, S., Sugii, N., Ishibashi, K., Usami, K., Amano, H., Kobayashi, K. & Pham, C. K., 2016 5 25, 2014 IEEE Hot Chips 26 Symposium, HCS 2014. Institute of Electrical and Electronics Engineers Inc., 7478838

研究成果: Conference contribution

An optimal power supply and body bias voltage for a ultra low power micro-controller with silicon on thin box MOSFET

Okuhara, H., Kitamori, K., Fujita, Y., Usami, K. & Amano, H., 2015 9 21, Proceedings of the International Symposium on Low Power Electronics and Design. Institute of Electrical and Electronics Engineers Inc., 巻 2015-September. p. 207-212 6 p. 7273515

研究成果: Conference contribution

13 引用 (Scopus)

An operating system guided fine-grained power gating control based on runtime characteristics of applications

Koshiba, A., Sato, M., Usami, K., Amano, H., Sakamoto, R., Kondo, M., Nakamura, H. & Namiki, M., 2016 8 1, : : IEICE Transactions on Electronics. E99C, 8, p. 926-935 10 p.

研究成果: Article

An energy-efficient high-level synthesis algorithm incorporating interconnection delays and dynamic multiple supply voltages

Abe, S. Y., Shi, Y., Usami, K., Yanagisawa, M. & Togawa, N., 2013 8 15, 2013 International Symposium on VLSI Design, Automation, and Test, VLSI-DAT 2013. 6533808. (2013 International Symposium on VLSI Design, Automation, and Test, VLSI-DAT 2013).

研究成果: Conference contribution

1 引用 (Scopus)

Analysis on MTCMOS Circuits based on Lumped RC Model for Virtual Ground Line

K.Usami, K. U., N.Ohkubo, N. O., M.Shirakawa, M. S. & Usami, K., 2005 10 1, : : IEEE International SoC Design Conference 2005 (ISOCC'05). p. 116-119

研究成果: Article

A multi-Vdd dynamic variable-pipeline on-chip router for CMPs

Matsutani, H., Hirata, Y., Koibuchi, M., Usami, K., Nakamura, H. & Amano, H., 2012 4 26, ASP-DAC 2012 - 17th Asia and South Pacific Design Automation Conference. p. 407-412 6 p. 6164982. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

14 引用 (Scopus)

A leakage current monitor circuit using silicon on thin BOX MOSFET for dynamic back gate bias control

Okuhara, H., Usami, K. & Amano, H., 2015 7 14, IEEE Symposium on Low-Power and High-Speed Chips, COOL Chips XVIII - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7158656

研究成果: Conference contribution

A fine-grained power gating control on linux monitoring power consumption of processor functional units

Koshiba, A., Wada, M., Sakamoto, R., Sato, M., Kosaka, T., Usami, K., Amano, H., Kondo, M., Nakamura, H. & Namiki, M., 2015 7 1, : : IEICE Transactions on Electronics. E98C, 7, p. 559-568 10 p.

研究成果: Article

2 引用 (Scopus)

A Fine-grain Dynamic Sleep Control Scheme in MIPS R3000

Seki, N., Zhao, L., Kei, J., Ikebuchi, D., Kojima, Y., Hasegawa, Y., Amano, H., Toshihiro Kashima, K., Takeda, S., Shirai, T., Nakata, M., Usami, K., Sunata, T., Kanai, J., Namiki, M., Kondo, M. & Nakamura, H., 2008 12 1, 26th IEEE International Conference on Computer Design 2008, ICCD. p. 612-617 6 p. 4751924. (26th IEEE International Conference on Computer Design 2008, ICCD).

研究成果: Conference contribution

34 引用 (Scopus)