The Green Lab - [01-A] Introduction

Vrije Universiteit Amsterdam

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Vrije Universiteit Amsterdam

Vrije Universiteit Amsterdam

Vrije Universiteit Amsterdam

Total energy per view:

0.2 kWh

Total number of views:

2,307,082,001

Total energy consumed: 450 GWh in less than 3 years

x 45,000

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● Energy loss:

○ leakage

○ heat

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● Battery charge efficiency: 90%

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Energy loss:

● low utilization

● idle

● no energy

management

● Typical utilization rate: 30%

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Energy loss:

● Cooling

● Lighting

PUE = "Good" PUE = 1.4 = 40% loss

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Vrije Universiteit Amsterdam

Vrije Universiteit Amsterdam

Vrije Universiteit Amsterdam

"The energy efficiency of

hardware doubles every 1.5

years."

(Koomey's law)

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"Software gets slower more rapidly than hardware gets faster."

(Wirth's law)

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Nathan P. Myhrvold, Microsoft, ACM 1997

Vrije Universiteit Amsterdam

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Vrije Universiteit Amsterdam

● Our research initiative on Software Energy Efficiency○ Laboratory○ Master course○ Collaboration platform

Vrije Universiteit Amsterdam

Code: 418158

Period: 1 (September-October)

ECTS: 6.0

Language: English

Vrije Universiteit Amsterdam

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Vrije Universiteit Amsterdam

Vrije Universiteit Amsterdam

g.procaccianti@vu.nl

i.malavolta@vu.nl