Presentation 2022-11-28
On reduction of test patterns for a Multiplier Using Approximate Computing
Shogo Tokai, Daichi Akamatsu, Hiroyuki Yotsuyanagi, Masaki Hashizume,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) In recent years, approximate computing has been used in error-tolerant applications. Several approximation methods have been proposed for approximate multipliers by truncating the lower bits of the calculation result according to the positions of one-bits in the multiplier and the multiplicand. In testing approximation circuits, test time reduction can possibly be achieved by removing faults that affect only within the acceptable range of the calculation error. In this paper, to generate fewer test patterns for an approximate multiplier, the pseudo circuit restricting the fault propagation only to the lower bits is added in the test generation phase. As a result, the proposed test generation can attain about a 19.8% reduction in test patterns.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) test pattern generation / approximate computing / multiplier / test time reduction
Paper # VLD2022-23,ICD2022-40,DC2022-39,RECONF2022-46
Date of Issue 2022-11-21 (VLD, ICD, DC, RECONF)

Conference Information
Committee VLD / DC / RECONF / ICD / IPSJ-SLDM
Conference Date 2022/11/28(3days)
Place (in Japanese) (See Japanese page)
Place (in English) Kanazawa Bunka Hall
Topics (in Japanese) (See Japanese page)
Topics (in English) Design Gaia 2022 -New Field of VLSI Design-
Chair Minako Ikeda(NTT) / Tatsuhiro Tsuchiya(Osaka Univ.) / Kentaro Sano(RIKEN) / Masafumi Takahashi(Kioxia) / Hiroyuki Ochi(Ritsumeikan Univ.)
Vice Chair Shigetoshi Nakatake(Univ. of Kitakyushu) / Toshinori Hosokawa(Nihon Univ.) / Yoshiki Yamaguchi(Tsukuba Univ.) / Tomonori Izumi(Ritsumeikan Univ.) / Makoto Ikeda(Univ. of Tokyo)
Secretary Shigetoshi Nakatake(NBS) / Toshinori Hosokawa(Hirosaki Univ.) / Yoshiki Yamaguchi(Nihon Univ.) / Tomonori Izumi(Chiba Univ.) / Makoto Ikeda(NEC) / (Toyohashi Univ. of Tech.)
Assistant Takuma Nishimoto(Hitachi) / / Yukitaka Takemura(INTEL) / Yasunori Osana(Ryukyu Univ.) / Yoshiaki Yoshihara(KIOXIA) / Jun Shiomi(Osaka Univ.) / Takeshi Kuboki(Sony Semiconductor Solutions)

Paper Information
Registration To Technical Committee on VLSI Design Technologies / Technical Committee on Dependable Computing / Technical Committee on Reconfigurable Systems / Technical Committee on Integrated Circuits and Devices / Special Interest Group on System and LSI Design Methodology
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On reduction of test patterns for a Multiplier Using Approximate Computing
Sub Title (in English)
Keyword(1) test pattern generation
Keyword(2) approximate computing
Keyword(3) multiplier
Keyword(4) test time reduction
1st Author's Name Shogo Tokai
1st Author's Affiliation Tokushima University(Tokushima Univ)
2nd Author's Name Daichi Akamatsu
2nd Author's Affiliation Tokushima University(Tokushima Univ)
3rd Author's Name Hiroyuki Yotsuyanagi
3rd Author's Affiliation Tokushima University(Tokushima Univ)
4th Author's Name Masaki Hashizume
4th Author's Affiliation Tokushima University(Tokushima Univ)
Date 2022-11-28
Paper # VLD2022-23,ICD2022-40,DC2022-39,RECONF2022-46
Volume (vol) vol.122
Number (no) VLD-283,ICD-284,DC-285,RECONF-286
Page pp.pp.25-30(VLD), pp.25-30(ICD), pp.25-30(DC), pp.25-30(RECONF),
#Pages 6
Date of Issue 2022-11-21 (VLD, ICD, DC, RECONF)