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| Presentation | 2009-10-20 13:50 Design of SFQ Floating-Point Units Using Nb Advanced Process Toshiki Kainuma, Yasuhiro Shimamura, Fumishige Miyaoka, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Nat. Univ.), Akira Fujimaki, Naofumi Takagi, Kazuyoshi Takagi (Nagoya Univ.)  SCE2009-19 Link to ES Tech. Rep. Archives: SCE2009-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We are developing a large-scale reconfigurable data-path (LSRDP) based on the single-flux-quantum (SFQ) circuits, which will be a fundamental technology for future petaflops-scale computing systems. The LSRDP is composed of a large number of floating-point units (FPUs) each of which is connected by reconfigurable routing networks. In the LSRDP, reputation loops in the source program are directly mapped to the LSRDP. The main advantage of the LSRDP is the reduction of the memory wall problem in the high-performance computing system. A memory access rate is considerably reduced, because the data are directly transferred between FPUs in the LSRDP without memory accesses. Recently, the ISTEC Nb 10 kA/cm2 advanced process (ADP), which realizes SFQ circuits with two times faster operating speed than that of the conventional fabrication process has been developed. The final goal of the SFQ processor project with the LSRDP is to demonstrate a 50 GHz high-speed operation of SFQ LSRDP Systems. In this paper, we will show the design of component circuits of SFQ floating-point adders and multipliers using the ADP cell library. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | SFQ Circuit / Nb process / Floating-point unit / Floating-point adder / Floating-point multiplier / Reconfigurable data-path / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 236, SCE2009-19, pp. 13-18, Oct. 2009. | |
| Paper # | SCE2009-19 | |
| Date of Issue | 2009-10-13 (SCE) | |
| 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 | SCE2009-19 Link to ES Tech. Rep. Archives: SCE2009-19 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2009-10-20 - 2009-10-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Digital, etc. |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2009-10-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of SFQ Floating-Point Units Using Nb Advanced Process |
| Sub Title (in English) | |
| Keyword(1) | SFQ Circuit |
| Keyword(2) | Nb process |
| Keyword(3) | Floating-point unit |
| Keyword(4) | Floating-point adder |
| Keyword(5) | Floating-point multiplier |
| Keyword(6) | Reconfigurable data-path |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshiki Kainuma |
| 1st Author's Affiliation | Yokohama National University (Yokohama Nat. Univ.) |
| 2nd Author's Name | Yasuhiro Shimamura |
| 2nd Author's Affiliation | Yokohama National University (Yokohama Nat. Univ.) |
| 3rd Author's Name | Fumishige Miyaoka |
| 3rd Author's Affiliation | Yokohama National University (Yokohama Nat. Univ.) |
| 4th Author's Name | Yuki Yamanashi |
| 4th Author's Affiliation | Yokohama National University (Yokohama Nat. Univ.) |
| 5th Author's Name | Nobuyuki Yoshikawa |
| 5th Author's Affiliation | Yokohama National University (Yokohama Nat. Univ.) |
| 6th Author's Name | Akira Fujimaki |
| 6th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 7th Author's Name | Naofumi Takagi |
| 7th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 8th Author's Name | Kazuyoshi Takagi |
| 8th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-10-20 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2009-19 |
| Volume (vol) | vol.109 |
| Number (no) | no.236 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2009-10-13 (SCE) |
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