| Paper Abstract and Keywords |
| Presentation |
2014-01-28 10:00
[Invited Talk]
Adaptive Performance Compensation with On-Chip Variation Monitoring Masanori Hashimoto (Osaka Univ.) ICD2013-100 |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper discusses adaptive performance control with two types of on-chip variation sensors. The first sensor
aims to extract several device-parameters for performance adaptation, and introduces a method that accurately estimates device-
parameters using a single ring oscillator. The second sensors, which are embedded into functional circuits, predict timing
errors due to PVT variations and aging. By controlling circuit performance according to the sensor outputs, PVT worst-case
design can be overcome and power dissipation can be reduced while satisfying performance requirements. Measurement results
of a subthreshold adder on 65-nm test chips show that the adaptive speed control can compensate PVT variations and
improve energy efficiency by up to 46% compared to the worst-case design and operation with guardbanding. This paper also
discusses stochastic fast estimation of timing errors inherently involved in adaptive performance control. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Adaptive performance compensation / variation sensor / manufacturing variability / environmental fluctuation / aging / timing error / / |
| Reference Info. |
IEICE Tech. Rep., vol. 113, no. 419, ICD2013-100, pp. 1-6, Jan. 2014. |
| Paper # |
ICD2013-100 |
| Date of Issue |
2014-01-21 (ICD) |
| ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
| Download PDF |
ICD2013-100 |
| Conference Information |
| Committee |
ICD |
| Conference Date |
2014-01-28 - 2014-01-29 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kyoto Univ. Tokeidai Kinenkan |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
|
| Paper Information |
| Registration To |
ICD |
| Conference Code |
2014-01-ICD |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Adaptive Performance Compensation with On-Chip Variation Monitoring |
| Sub Title (in English) |
|
| Keyword(1) |
Adaptive performance compensation |
| Keyword(2) |
variation sensor |
| Keyword(3) |
manufacturing variability |
| Keyword(4) |
environmental fluctuation |
| Keyword(5) |
aging |
| Keyword(6) |
timing error |
| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Masanori Hashimoto |
| 1st Author's Affiliation |
Osaka University (Osaka Univ.) |
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| Speaker |
Author-1 |
| Date Time |
2014-01-28 10:00:00 |
| Presentation Time |
60 minutes |
| Registration for |
ICD |
| Paper # |
ICD2013-100 |
| Volume (vol) |
vol.113 |
| Number (no) |
no.419 |
| Page |
pp.1-6 |
| #Pages |
6 |
| Date of Issue |
2014-01-21 (ICD) |