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Paper Abstract and Keywords
Presentation 2012-07-02 13:40
An asynchronous tree arbiter with ability of concealing metastable operation duration time
Masafumi Kondo (Kawasaki Univ. of Medical Welfare), Kuniaki Ohyama, Yusuke Koyoshi, Tomoyuki Yokogawa, Yoichiro Sato (Okayama Prefectural Univ) CAS2012-9 VLD2012-19 SIP2012-41 MSS2012-9
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, an exclusive access to a shared bus and memory for multiple processor cores occurs in many computer systems.Arbiters is a useful building block in managing shared resources, and then the tree arbiter arranged 2-input arbiter (ME) to tree structure is one of structures with property of low latency.However, metastable operation is occurring, the latency is increased significantly.In this study, we propose the structure of tree arbiter with ability of concealing metastable operation duration time by asserting the request to the next stage without waiting for solving metastable operation in ME.In addition, we propose a model of ME considering the metastable operation by petri nets, and evaluate the latency of tree arbiters by petri net simulation.As a result, it is shown that the proposed method has ability of concealment of metastable operation, and revealed the influence of metastable operation for the latency of the tree arbiter.
Keyword (in Japanese) (See Japanese page) 
(in English) asynchronous arbiter / metastable operation / performance evaluation / petri net / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 114, VLD2012-19, pp. 49-54, July 2012.
Paper # VLD2012-19 
Date of Issue 2012-06-25 (CAS, VLD, SIP, MSS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 CAS2012-9 VLD2012-19 SIP2012-41 MSS2012-9

Conference Information
Committee VLD CAS MSS SIP  
Conference Date 2012-07-02 - 2012-07-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Research Park 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To VLD 
Conference Code 2012-07-VLD-CAS-MSS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An asynchronous tree arbiter with ability of concealing metastable operation duration time 
Sub Title (in English)  
Keyword(1) asynchronous arbiter  
Keyword(2) metastable operation  
Keyword(3) performance evaluation  
Keyword(4) petri net  
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1st Author's Name Masafumi Kondo  
1st Author's Affiliation Kawasaki University of Medical Welfare (Kawasaki Univ. of Medical Welfare)
2nd Author's Name Kuniaki Ohyama  
2nd Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ)
3rd Author's Name Yusuke Koyoshi  
3rd Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ)
4th Author's Name Tomoyuki Yokogawa  
4th Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ)
5th Author's Name Yoichiro Sato  
5th Author's Affiliation Okayama Prefectural University (Okayama Prefectural Univ)
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Speaker Author-1 
Date Time 2012-07-02 13:40:00 
Presentation Time 20 minutes 
Registration for VLD 
Paper # CAS2012-9, VLD2012-19, SIP2012-41, MSS2012-9 
Volume (vol) vol.112 
Number (no) no.113(CAS), no.114(VLD), no.115(SIP), no.116(MSS) 
Page pp.49-54 
#Pages 6 
Date of Issue 2012-06-25 (CAS, VLD, SIP, MSS) 

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