(19)
(11) EP 3 955 106 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
19.03.2025 Bulletin 2025/12

(45) Mention of the grant of the patent:
14.02.2024 Bulletin 2024/07

(21) Application number: 21200598.7

(22) Date of filing: 02.11.2018
(51) International Patent Classification (IPC): 
G06F 7/544(2006.01)
(52) Cooperative Patent Classification (CPC):
G06F 7/5443; G06N 3/063; G06N 3/045

(54)

HARDWARE UNIT FOR PERFORMING MATRIX MULTIPLICATION WITH CLOCK GATING

HARDWARE-EINHEIT ZUR DURCHFÜHRUNG VON MATRIXMULTIPLIKATION MIT CLOCK-GATING

UNITÉ MATÉRIELLE POUR EFFECTUER UNE MULTIPLICATION MATRICIELLE AVEC LE DÉCLENCHEMENT D'HORLOGE


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 03.11.2017 GB 201718296

(43) Date of publication of application:
16.02.2022 Bulletin 2022/07

(62) Application number of the earlier application in accordance with Art. 76 EPC:
20197062.1 / 3770749
18204166.5 / 3480691

(73) Proprietor: Imagination Technologies Limited
Kings Langley, Hertfordshire WD4 8LZ (GB)

(72) Inventors:
  • MARTIN, Chris
    Bedfordshire, LU7 2PF (GB)
  • PULIMENO, Azzurra
    Watford, Hertfordshire WD18 0FQ (GB)

(74) Representative: Slingsby Partners LLP 
1 Kingsway
London WC2B 6AN
London WC2B 6AN (GB)


(56) References cited: : 
GB-A- 2 490 914
   
  • DAVID BROOKS ET AL: "Value-based clock gating and operation packing: dynamic strategies for improving processor power and performance", ACM TRANSACTIONS ON COMPUTER SYSTEMS (TOCS), vol. 18, no. 2, 1 May 2000 (2000-05-01), US, pages 89 - 126, XP055571292, ISSN: 0734-2071, DOI: 10.1145/350853.350856
  • PREISS J ET AL: "Advanced Clockgating Schemes for Fused-Multiply-Add-Type Floating-Point Units", COMPUTER ARITHMETIC, 2009. ARITH 2009. 19TH IEEE SYMPOSIUM ON, IEEE, PISCATAWAY, NJ, USA, 8 June 2009 (2009-06-08), pages 48 - 56, XP031519705, ISBN: 978-0-7695-3670-5
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).