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Improving the accuracy of the GHG protocol in time and space
The GHG Protocol needs to evolve to better represent the complexity of how energy markets work.
David Mytton
Mar 17
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Improving the accuracy of the GHG protocol in time and space
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February 2023
Influencing the carbon emissions of AI
There is a correlation between the training time and energy consumption, but that doesn’t mean there is a correlation between training time and carbon…
David Mytton
Feb 27
3
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Influencing the carbon emissions of AI
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Why don't data centers participate in demand response?
Data centers consuming too much energy at peak times - can't we just turn them off?
David Mytton
Feb 13
1
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Why don't data centers participate in demand response?
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December 2022
Value judgments and sustainable computing
Puritan value judgments don’t help and any analysis based on concepts of digital sobriety or arbitrary definitions of waste should be rejected.
David Mytton
Dec 17, 2022
1
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Value judgments and sustainable computing
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November 2022
Energy systems and 24/7 carbon free energy
With the grid mix constantly changing, what needs to happen to energy systems to reach the goal of 24/7 carbon free energy? Google has funded two…
David Mytton
Nov 7, 2022
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Energy systems and 24/7 carbon free energy
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October 2022
Paper Notes – RAPL In Action
Advantages and limitations of the Running Average Power Limit (RAPL) interface for measuring CPU power consumption.
David Mytton
Oct 10, 2022
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Paper Notes – RAPL In Action
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September 2022
Paper notes - Jupiter Evolving: Transforming Google's Datacenter Network
Removing the aggregation spine resulted in 5x higher speed and capacity, and 41% reduction in power.
David Mytton
Sep 14, 2022
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Paper notes - Jupiter Evolving: Transforming Google's Datacenter Network
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Is carbon the right metric for developers to optimize?
Developers need metrics that are consistent and easy to optimize, but carbon intensity varies in time and space. So when is it a useful metric for…
David Mytton
Sep 8, 2022
1
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Is carbon the right metric for developers to optimize?
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Measuring website energy consumption via browser profiling
Firefox 104 introduces power consumption measurement in the profiler. What does this mean for analyzing website energy consumption?
David Mytton
Sep 3, 2022
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Measuring website energy consumption via browser profiling
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August 2022
Paper notes – Mitigating Curtailment and Carbon Emissions through Load Migration between Data Centers
This is a good paper that makes valid points about the possibilities of migrating flexible IT workloads, however it makes classic assumptions I see in…
David Mytton
Aug 24, 2022
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Paper notes – Mitigating Curtailment and Carbon Emissions through Load Migration between Data Centers
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Sources of data center energy estimates: A comprehensive review
The scientific journal, Joule, has published a paper I’ve co-authored reviewing data center energy estimates between 2007-2021.
David Mytton
Aug 17, 2022
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Sources of data center energy estimates: A comprehensive review
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July 2022
Paper notes – Energy efficiency across programming languages
Which languages are the fastest and most energy efficient? The simple answer is: C, C++, Rust. The accurate answer is: it depends.
David Mytton
Jul 20, 2022
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Paper notes – Energy efficiency across programming languages
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