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37 changes: 37 additions & 0 deletions pages/letsgo.md
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title: LETSGO
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A promise of public cloud computing is the significant reduction of the energy footprint that is enabled by economies of scale. Cloud services typically decrease energy consumption compared to on-premise data centers, due to less overheads, frequent technology updates, and more efficiency in scalability. Between 80% and 90% of the businesses have already migrated to the cloud. However, little research is available on how organizations can further reduce their energy footprint when running software applications in the public cloud. When re-engineering and re-architecting applications for the cloud engineers do not yet include the software tactics to manage data and/or computation more efficiently and to decrease the necessary resources and thus energy to store data, to compute resources for processing, and to transfer data between cloud, edge and customer devices. Moreover, cloud consumers do not have information on their cloud infrastructure usage, so an understanding of the impact of design decisions on energy usage is lacking. This problem increases when software is part of a corporate or public system of multiple and distributed services. Previous research of VU and Surf demonstrates the possibility to orchestrate cloud workloads towards more energy efficiency through reasoning and resource optimizations. However, these processes are proven at academic and at scientific High Performance Computing (HPC) levels and are not (yet) straightforward enough for live cloud environments, due to a lack o:

- Available live cloud environments that would allow for energy efficiency experiments in day-to-day dynamics. Such experiments enable scientific energy research in cloud practice, and can therefore not be done in isolation within the scientific Green Lab of VU or within the HPC lab of Surf. Academic set-ups cannot include all kinds of scalability, privacy, and security issues. And common live cloud environments are not fit with energy metrics in hardware and software, and can be influenced by other processes that run in a cloud facility.

- Applicable software attributes on “Energy Consumption” next to the common software development and operation attributes like cyber security, scalability, reliability, performance.

- Transparency about the energy consumption of hardware at cloud providers, that is inflicted by the software applications that run on that hardware.

Furthermore, the current generation of developers doesn’t master the sustainability aspects in the software creation process (architecture tactics), in contrast to e.g. security and performance. Some sustainable architecture tactics seem already available at hyperscalers of the large US ‘big tech’ cloud systems of Google, Amazon and Microsoft. However, such hyperscale tactics are mainly to be limited to CO2-footprinting and distribution of compute power to locations where green energy resources are available, and such solutions do not reduce the actual energy footprint of software systems.

The LETSGO project began in May 2023 with the goal of:

1. Identify and mitigate energy hotpots in code bases in popular applications, and establish relationships between memory usage versus CPU use profiles and GPU use profiles of these hotspots.

2. Design and assess software energy tactics based on our Green Software taxonomy on pilot cloud hardware.

3. Evaluate the energy consumption reduction of the applications in its context, and the validation of its performance on its regular software attributes.
ads.
4. Publication and dissemination of open-sourced tools in order to guide a wider stakeholder group to use green software tactics and tools. Among them, the tactics and related measures resulting from the project will be disseminated in our open-source open-access Archive of Tactics (https://s2group.cs.vu.nl/AwesomeAndDarkTactics/)


The project involves different partners from industry and academia:

- S2Group@VU and SURF (https://www.surf.nl/en) : developing energy tactics and measurement and prediction tools in the cloud environment

- Schuberg Philis (https://schubergphilis.com/en): providing a representative pilot testbed, order to do practical experiments in live cloud application layers with software applications from industrial, scientific/educational and governmental tenants of colocations.

- SIG - Software Investment Group (https://www.linkedin.com/company/software-improvement-group) research department in the implementation of the software assurance model and prototype

- Imuno Therapeutics (https://www.imunotx.com/) and BonvinLab@Utrecht University (https://www.bonvinlab.org/) for providing scientific software applications to test our tactics.

- Sustainable Digital Infrastructure Alliance (https://sdialliance.org/) and Innofunding (https://www.innofunding.nl/en/) for bringing us together.
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<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
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</figure>
<div><strong style="color: #00FF00;">Green Tactics for Robotics Software</strong><br>
<div style="text-align:left;">
The project allows roboticists to design energy-efficient robotics software via experimentally-validated Green tactics. Green tactics are extracted by mining millions of lines of code of real-world robotics software. The grant is offered in the context of the <a href="https://www.nwo.nl/en/calls/open-competition-domain-science-xs-pakket-21-1">NWO Open Competition Domain Science – XS</a> scheme. <a href="http://www.ivanomalavolta.com/mining-the-ros-ecosystem-for-energy-efficient-robotics-software/">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
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<div><strong style="color: #00FF00;">Green Lab</strong><br>
<div style="text-align:left;">
The S2 research group designs and conducts empirical experiments for solving what we call “industrial technological dilemmas” so to leverage companies from the burden of spending time and resources on risky technical choices, lengthy side-projects, and waste of resources.
<a href="https://s2group.cs.vu.nl/pages/greenlab/">[Read more.]<br><br><br><br></a>
</div>
</div></div>
<div style="text-align: center;">
<figure>
<img height="200" width="auto" src="/img/logos/letsgo.jpg"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">LETSGO</strong><br></div>
<div style="text-align:left;">
<p>
A promise of public cloud computing is the significant reduction of the energy footprint that is enabled by economies of scale. Cloud services typically decrease energy consumption compared to on-premise data centers, due to less overheads, frequent technology updates, and more efficiency in scalability. </p>
<a href="/pages/letsgo/">[Read more.]<br><br><br><br></a>
</div>
</div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
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<div><strong style="color: #00FF00;">Lower Energy Acceleration Program (LEAP)</strong><br>
<div style="text-align:left;">
This project aims to define the strategic roadmap for the Metropolitan Region Amsterdam, to invest in energy-efficient solutions for the future data infrastructures. The roadmap horizon of this specific project will be for the next 4-6 years (Horizon 2). It is part of the LEAP of the Amsterdam Economic Board. In LEAP track 2, we will contribute to a complete roadmap for the short, mid, and long term investments nationwide. <a href="https://amsterdameconomicboard.com/en/initiatief/leap-lower-energy-acceleration-program#">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>
<div style="text-align: center;">
<figure>
<img height="200" widthh="auto" src="/img/logos/extremexp.png"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">ExtremeXP</strong><br>
<div style="text-align:left;">
This EU-funded project provides capabilities for learning from experimentation to predict user requirements, profiling the user, and proactively generating the accurate analytics workflow towards more precise outcomes and personalized insights for decision making.
<a href="https://extremexp.eu/">[Read more.]<br><br><br><br></a>
</div>
</div>
</div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
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<div><strong style="color: #00FF00;">MRA Greening the cloud</strong><br>
<div style="text-align:left;">
<br><br><br><br>
</div>
</div></div>
<div style="text-align: center;">
<figure>
<img height="200" widthh="auto" src="/img/logos/placeholder_img.png"
alt="">
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<div><strong style="color: #00FF00;">SustainableCloud</strong><br></div>
<div style="text-align:left;">
<p> Software is everywhere these days, creating an ever increasing and urgent responsibility for software systems creators to ensure a sustainable world for future generations. Moving more and more software to the cloud makes this already difficult task even more complicated. In this project, we aim to answer the fundamental questions about how sustainability is affected by the way software running in the cloud is structured, and in doing so, develop tools that help making software more sustainable.</p>
<a href="https://www.nwo.nl/en/news/seventeen-innovative-research-projects-launched-through-open-competition-domain-science-m-1">[Read more.]<br><br><br><br></a>
</div>
</div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">Large-scale Data Gathering on Software Energy Efficiency</strong><br>
<div style="text-align:left;">
<br><br><br><br>
</div>
</div></div>
</div>
<div style="text-align: center;">
<figure>
<img height="200" width="auto" src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">Green Lab</strong><br>
<div style="text-align:left;">
The S2 research group designs and conducts empirical experiments for solving what we call “industrial technological dilemmas” so to leverage companies from the burden of spending time and resources on risky technical choices, lengthy side-projects, and waste of resources.
<a href="/pages/greenlab/">[Read more.]<br><br><br><br></a>
</div>
</div>
</div>
</div>


<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img width="200" height="200" src="/img/logos/hfc.png"
alt="a redish, pinkish, purplish multi-arc">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">Human Factors Club</strong><br>
<div style="text-align:left;">
This club will meet on the third Wednesday of every month at 15:00 to discuss human factors papers and their relation to ICT. Snacks and drinks included. For more information, click <a href="https://s2group.cs.vu.nl/pages/humanfactors/">here.</a>
<br><br><br><br>
<div style="text-align: center;">
<figure>
<img height="200" width="auto" src="/img/logos/hfc.png"
alt="a redish, pinkish, purplish multi-arc">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">Human Factors Club</strong><br>
<div style="text-align:left;">
This club will meet on the third Wednesday of every month at 15:00 to discuss human factors papers and their relation to ICT. Snacks and drinks included. For more information, click <a href="https://s2group.cs.vu.nl/pages/humanfactors/">here.</a>
<br><br><br><br>
</div>
</div>
</div>
</div>
</div></div>
</div>

# Past projects
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<div><strong style="color: #00FF00;">NESSI</strong><br>
<div style="text-align:left;">
NESSI, the Networked European Software and Services Initiative, provides input to the EU Institutions on research actions and technology matters of particular importance to the software domain, and the overall aim is to enable the software and services sector help vitalize the great potential of the European economy and society. <a href="http://www.nessi-europe.com/">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
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<div><strong style="color: #00FF00;">S-Cube</strong><br>
<div style="text-align:left;">
S-Cube, the European Network of Excellence in Software Services and Systems, has established an integrated, multidisciplinary, vibrant research community, enabling Europe to lead the software-services revolution and helping shape the software-service based Internet which is the backbone of our future interactive society.
<a href="http://www.s-cube-network.eu/">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;">
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">CALCE</strong><br>
<div style="text-align:left;">
CALCE is a so called ICT-Doorbraak project, subsidized by the Dutch Ministry of Economic Affairs via Senter. The project code is TSIT3018, the other members of the consortium are: Getronics PinkRoccade, the Software Improvement Group of the VU, and the Dutch Centre for Mathematics and Computer Science (CWI). The goal of the project is to develop technology and methods, such that: (i) Software assets (which may be known as legacy) can be modernized according to the current needs of the organization in relation with modern software technologies and architectures; and (ii) the proces of software maintenance can turned from a labor intensive ad-hoc proces into an efficient high-tech one.
<a href="http://www.cs.vu.nl/~steven/calce/">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>

<div class="col-lg-6 col-md-12 col-xs-12 col-sm-12">
<div style="text-align: center;" >
<figure>
<img src="/img/logos/placeholder_img.png"
alt="">
<figcaption></figcaption>
</figure>
<div><strong style="color: #00FF00;">SQUA3RE</strong><br>
<div style="text-align:left;">
Architecture reconstruction is the process by which architectural views of an implemented system are obtained from existing artifacts. While previous work investigated recovery techniques, such as clustering and pattern matching, this work provides research on architecture reconstruction that is driven by quality attribute analysis. The analysis typically occurs when existing systems hit their architectural boundaries caused by product growth or expansion scenarios. The information gathered during architecture reconstruction has to satisfy the information needs for these scenarios in order to provide reasoning during decision-making processes. The work is crucial for organizations that have to make architectural decisions about existing systems, or want to lower the adoption barriers for product lines by investigating the reuse of existing assets.
<a href="http://www.cs.vu.nl/~x/square.html">[Read more.]<br><br><br><br></a>
</div>
</div></div>
</div>
</div>

- [Green Tactics for Robotics Software](https://www.nwo.nl/en/calls/open-competition-domain-science-xs-pakket-21-1)
- [Lower Energy Acceleration Program (LEAP)](https://amsterdameconomicboard.com/en/initiatief/leap-lower-energy-acceleration-program#)
- MRA Greening the cloud
- Large-scale Data Gathering on Software Energy Efficiency
- [NESSI](http://www.nessi-europe.com/)
- [S-Cube](http://www.s-cube-network.eu/)
- [CALCE](http://www.cs.vu.nl/~steven/calce/)
- [SQUA3RE](http://www.cs.vu.nl/~x/square.html)

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