| Presentation | 2022-07-27 擬似ブール最適化を用いたFFR出力信号線遷移とWSAの相関に基づく低消費電力指向ドントケア割当て法 Enrei Jo, Rei Miura, Toshinori Hosokawa, Masayosi Yoshimura, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In recent years, with the low power design of VLSIs, many low power oriented don't care (X) identification methods and X-filling methods have been proposed to perform low power testing. As a result, the number of capture-unsafe test vectors in the test set generated by modifying the initial test set was drastically reduced. However, for some circuits, capture-unsafe test vectors remain in the modified test set. In this paper, we propose an X-filling method using pseudo-Boolean optimization. The experimental results for the ISCAS'89 benchmark circuits and ITC'99 benchmark circuits show that the number of capture-unsafe test vectors in the test set modified by the proposed X-filling method was 0. In addition, to accelerate the time of the X-filling method, we also propose an X-filling method using the correlation between the transition on the output signal lines of fanout-free regions and WSA. The experimental results show that the X-filling method using the correlation could modify 92% test vectors in initial test sets to capture-safe test vectors on average, and reduce the CPU time by 20% on average compared to the X-filling method using PBO. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Pseudo-Boolean optimization / FFR / Low power consumption / Don't care Filling |
| Paper # | CPSY2022-1,DC2022-1 |
| Date of Issue | 2022-07-20 (CPSY, DC) |
| Conference Information | |
| Committee | CPSY / DC / IPSJ-ARC |
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| Conference Date | 2022/7/27(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kaikyo Messe Shimonoseki |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | SWoPP2022: Parallel, Distributed and Cooperative Processing Systems and Dependable Computing |
| Chair | Michihiro Koibuchi(NII) / Tatsuhiro Tsuchiya(Osaka Univ.) / 津邑 公暁(名工大) |
| Vice Chair | Kota Nakajima(Fujitsu Lab.) / Tomoaki Tsumura(Nagoya Inst. of Tech.) / Toshinori Hosokawa(Nihon Univ.) |
| Secretary | Kota Nakajima(JAIST) / Tomoaki Tsumura(Hitachi) / Toshinori Hosokawa(Nihon Univ.) / (Chiba Univ.) |
| Assistant | Ryohei Kobayashi(Tsukuba Univ.) / Takaaki Miyajima(Meiji Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Computer Systems / Technical Committee on Dependable Computing / Special Interest Group on System Architecture |
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| Language | JPN-ONLY |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | |
| Sub Title (in English) | |
| Keyword(1) | Pseudo-Boolean optimization |
| Keyword(2) | FFR |
| Keyword(3) | Low power consumption |
| Keyword(4) | Don't care Filling |
| 1st Author's Name | Enrei Jo |
| 1st Author's Affiliation | Nihon University(Nihon Univ) |
| 2nd Author's Name | Rei Miura |
| 2nd Author's Affiliation | Nihon University(Nihon Univ) |
| 3rd Author's Name | Toshinori Hosokawa |
| 3rd Author's Affiliation | Nihon University(Nihon Univ) |
| 4th Author's Name | Masayosi Yoshimura |
| 4th Author's Affiliation | Kyoto Sangyo University(KSU) |
| Date | 2022-07-27 |
| Paper # | CPSY2022-1,DC2022-1 |
| Volume (vol) | vol.122 |
| Number (no) | CPSY-133,DC-134 |
| Page | pp.pp.1-6(CPSY), pp.1-6(DC), |
| #Pages | 6 |
| Date of Issue | 2022-07-20 (CPSY, DC) |