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1. (WO2017172050) METHOD AND APPARATUS TO IMPROVE ENERGY EFFICIENCY OF PARALLEL TASKS
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Pub. No.: WO/2017/172050 International Application No.: PCT/US2017/017023
Publication Date: 05.10.2017 International Filing Date: 08.02.2017
IPC:
G06F 1/32 (2006.01) ,G06F 5/16 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
1
Details not covered by groups G06F3/-G06F13/82
26
Power supply means, e.g. regulation thereof
32
Means for saving power
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
5
Methods or arrangements for data conversion without changing the order or content of the data handled
06
for changing the speed of data flow, i.e. speed regularising
16
Multiplexed systems, i.e. using two or more similar devices which are alternately accessed for enqueue and dequeue operations, e.g. ping-pong buffers
Applicants:
BODAS, Devadatta V. [US/US]; US
RAJAPPA, Muralidhar [US/US]; US
SONG, Justin J. [CN/US]; US
HOFFMAN, Andy [US/US]; US
INTEL CORPORATION [US/US]; 2200 Mission College Boulevard Santa Clara, California 95054, US
Inventors:
BODAS, Devadatta V.; US
RAJAPPA, Muralidhar; US
SONG, Justin J.; US
HOFFMAN, Andy; US
Agent:
MALLIE, Michael J.; US
BERNADICOU, Michael A.; US
VINCENT, Lester J.; US
Priority Data:
15/087,09531.03.2016US
Title (EN) METHOD AND APPARATUS TO IMPROVE ENERGY EFFICIENCY OF PARALLEL TASKS
(FR) PROCÉDÉ ET APPAREIL POUR AMÉLIORER LE RENDEMENT ÉNERGÉTIQUE DE TÂCHES PARALLÈLES
Abstract:
(EN) A system with improved power performance for task executed in parallel. A plurality of processing cores each to execute tasks. An inter-core messaging unit to conveys messages between the cores. A power management agent transitions a first core into a lower power state responsive to the first core waiting for a second core to complete a second task. In some embodiments long messages are subdivided to allow a receiving core to resume useful work sooner.
(FR) L’invention concerne un système ayant des performances de puissance améliorées pour une tâche exécutée en parallèle. Une pluralité de cœurs de traitement sont chacun conçus pour exécuter des tâches. Une unité de messagerie inter-cœurs est conçue pour acheminer des messages entre les cœurs. Un agent de gestion de puissance fait passer un premier cœur dans un état à plus faible consommation d’énergie en réponse au fait que le premier cœur attend un second cœur pour achever une seconde tâche. Dans certains modes de réalisation, de longs messages sont subdivisés pour permettre à un cœur de réception de reprendre plus tôt un travail utile.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)