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| Presentation | 2021-07-16 10:25 Evaluating the Effectiveness of Non-Temporal Instructions for Eliminating Cache Pollution in Virtual I/O Daichi Takeya, Ryota Kawashima (NITech), Hiroki Nakayama, Tsunemasa Hayashi (BOSCO), Hiroshi Matsuo (NITech)  ICM2021-16 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Cloud Native Network Functions (CNFs) have been adopted in cutting-edge commercial networks for flexible and agile operations; however, the throughput of them is reduced by about 40% at maximum compared to that of bare-metal environment. Our previous study revealed that CPU cache pollution in virtual network I/O (vhost-user) was the major performance bottleneck. To further improve the performance, explicit control of CPU cache usage is a primary goal because well-known optimization techniques, such as cache-line alignment and prefetching, have already been fully introduced in the implementation of vhost-user. While some approaches of explicitly controlling CPU caches were effective for network functions in a bare-metal environment, no such approach has been proposed for CNFs (i.e. virtual network I/O is not considered). In this paper, we analyze the CPU cache usage in virtual network I/O (host-guest direction) and examine Non-temporal instructions for improving the cache usage. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | NFV / DPDK / packet I/O / cache pollution / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 114, ICM2021-16, pp. 34-39, July 2021. | |
| Paper # | ICM2021-16 | |
| Date of Issue | 2021-07-08 (ICM) | |
| ISSN | 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 | ICM2021-16 |
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| Conference Information | |
| Committee | ICM |
| Conference Date | 2021-07-15 - 2021-07-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICM |
| Conference Code | 2021-07-ICM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluating the Effectiveness of Non-Temporal Instructions for Eliminating Cache Pollution in Virtual I/O |
| Sub Title (in English) | |
| Keyword(1) | NFV |
| Keyword(2) | DPDK |
| Keyword(3) | packet I/O |
| Keyword(4) | cache pollution |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Daichi Takeya |
| 1st Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 2nd Author's Name | Ryota Kawashima |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 3rd Author's Name | Hiroki Nakayama |
| 3rd Author's Affiliation | BOSCO Technologies Inc. (BOSCO) |
| 4th Author's Name | Tsunemasa Hayashi |
| 4th Author's Affiliation | BOSCO Technologies Inc. (BOSCO) |
| 5th Author's Name | Hiroshi Matsuo |
| 5th Author's Affiliation | Nagoya Institute of Technology (NITech) |
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| Speaker | Author-1 |
| Date Time | 2021-07-16 10:25:00 |
| Presentation Time | 25 minutes |
| Registration for | ICM |
| Paper # | ICM2021-16 |
| Volume (vol) | vol.121 |
| Number (no) | no.114 |
| Page | pp.34-39 |
| #Pages | 6 |
| Date of Issue | 2021-07-08 (ICM) |
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