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| Presentation | 2015-04-17 09:25 Off-loading to PEACH2 of Gravitational Calculation Chiharu Tsuruta, Takuya Kuhara (Keio univ.), Miki Yohei (Univ. of Tsukuba), Hideharu Amano (Keio univ.)  CPSY2015-2 DC2015-2 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | On-the-fly computation in the field-programmable gate array (FPGA) used for the switching hub is one potential way to accelerate the computation of data exchanged through the hub. However, for large scale scientific computation, it is difficult to implement such an accelerator on the FPGA used in high performance computers. Here, a hardware local essential tree (LET) generator used in an N-body simulation is implemented on the FPGA of PEACH2 (PCI Express Adaptive Communication Hub ver2), a low latency switching hub for high performance GPU clusters. By using the pipelined on-the-fly execution with a multipole acceptance criterion judging module and a data updating module, the generation performance is 2.2 times faster than that with the CPU. When data communication is considered, a performance 7.2 times faster than when using the CPU can be achieved. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | FPGA / PEACH2 / Off-loading / N-body simulation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 7, CPSY2015-2, pp. 7-12, April 2015. | |
| Paper # | CPSY2015-2 | |
| Date of Issue | 2015-04-10 (CPSY, DC) | |
| 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 | CPSY2015-2 DC2015-2 |
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| Conference Information | |
| Committee | DC CPSY |
| Conference Date | 2015-04-17 - 2015-04-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CPSY |
| Conference Code | 2015-04-DC-CPSY |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Off-loading to PEACH2 of Gravitational Calculation |
| Sub Title (in English) | |
| Keyword(1) | FPGA |
| Keyword(2) | PEACH2 |
| Keyword(3) | Off-loading |
| Keyword(4) | N-body simulation |
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| Keyword(8) | |
| 1st Author's Name | Chiharu Tsuruta |
| 1st Author's Affiliation | Keio University (Keio univ.) |
| 2nd Author's Name | Takuya Kuhara |
| 2nd Author's Affiliation | Keio University (Keio univ.) |
| 3rd Author's Name | Miki Yohei |
| 3rd Author's Affiliation | University of Tsukuba (Univ. of Tsukuba) |
| 4th Author's Name | Hideharu Amano |
| 4th Author's Affiliation | Keio University (Keio univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-04-17 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | CPSY |
| Paper # | CPSY2015-2, DC2015-2 |
| Volume (vol) | vol.115 |
| Number (no) | no.7(CPSY), no.8(DC) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2015-04-10 (CPSY, DC) |
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