Introduction Anwar Osseyran, Green IT Amsterdam workshop Green Software 12 apr 2011
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Introduction Anwar Osseyran, Green IT Amsterdam workshop Green Software 12 apr 2011
- 1. Anwar Osseyran Green IT Consortium Amsterdam “ Workshop Green Software”
- 2. Amsterdam to Cut CO2 Emissions by 40% by 2025
- 4. ICT CO 2 Emissions Breakdown Mobile telecom
- 6. The Power Loss Chain CPU energy yield: 0.5% of fossil fuel used! Source: British Computer Society Software utilization is Key 95 % 2 . 5 % 2 . 5 % Transmission Losses Transformer Losses Data Centre 40 % 25 % 35 % Cooling Losses Power Infrastructure IT Equipment 65 % 20 % 15 % Network Equipment Storage Equipment Servers 30 % 45 % 25 % Power Supply Other Components CPU 20 % 80 % Idle Time Power CPU Load Power 35 % 65 % Heat Exhausted Electricity Generated Fossil Fuel Data Centre Equipment Servers CPU CPU Utilisation
- 7. Software is Key If the code is more efficient, then less servers are neded
- 8. Future archaeologists will uncover a Vista upgrade layer”
- 10. For developers who wish to leverage power measurement for optimizing their software
- 11. Green Tracker: a tool that estimates the energy consumption of software in order to help concerned users make informed decisions about the software they use
Hinweis der Redaktion
- The British Computer Society published recently an interesting analysis of the power loss chain within the datacenter. The biggest losses (65%) are incurred before the electricity reaches the datacenter. Cooling and power infrastructure account for almost 60% of the energy dissipated at the datacenter. A lot of gain can be obtained by increased utilization factor of the servers and also improving the design of datacenters and the IT equipment.