Recent Submissions 

  1. Evaluation of Mathematical Models of Intracranial Pressure Dynamics 

    Vetter, Marc Maurice (2013)
    Understanding intracranial dynamics is essential to the creation of a model which captures all the relevant dynamics for a specific task or patient with the minimum level of computational requirements. In order to evaluate and compare mathematical models of intracranial pressure dynamics a suitable environment is developed. This environment generates model input according to the user’s specifications. After the simulations the results are ...
    Bachelor Thesis
  2. Extending DaCe to support the Scalable Vector Extension 

    Scholbe, Stefan (2021)
    SIMD is characterized by operating on arrays or vectors of data instead of individual scalar data elements. Typical systems implement this design with special vector registers and instructions that allow operating on each element in the vector at once. The Scalable Vector Extension (SVE) is a vector instruction set proposed by ARM and purposely designed for High-Performance Computing. It is an attractive target for the DaCe framework that ...
    Bachelor Thesis
  3. Noise Estimation in HPC Cloud Networks 

    Rahn, Tobias (2021)
    As computing is moved more and more to the cloud due to scalability, affordability and availability, so are high performance computing (HPC) clusters. It is expensive to build a real-world cluster that needs the scale and performance to run the highest predicted load but is not used to its full extent most of the time. Additionally, by relying on cloud services, the highly specialised workforce needed to maintain the cluster is no longer ...
    Bachelor Thesis
  4. Prediction of atmospheric parameters from GNSS observations and weather models with machine learning 

    Halbheer, Mike Timon (2021)
    Global Navigation Satellite Systems (GNSS) experience various delays as their signals propagate through the Earth’s atmosphere. Some sources of error, such as the ionospheric delay, can be accounted for with relative ease. Delays caused by the lowest atmospheric layer, the troposphere, however, are challenging to predict accurately due to their high spatial and temporal variability. Tropospheric delays depend on weather conditions, allowing ...
    Bachelor Thesis
  5. The impact of subsidies on the operating profit in the Swiss forestry sector 

    Andersen, Daniel (2021)
    The purpose of subsidies for forestry companies is to ensure the provision of forest ecosystem services. As a negative side effect, previous studies, however, have suggested that these subsidies lower the efficiency of the companies and thus decrease their operating profit. The goal of this thesis is to investigate the impact of subsidies on the operating profit of Swiss forestry companies. Based on a regression model, the correlation ...
    Bachelor Thesis
  6. Partizipative Szenarienplanung als Strategie zur Anpassung an den Klimawandel 

    Schmid, Yuri (2021)
    Szenarien sind ein beliebtes Mittel zur Exploration möglicher Zukünfte und der Veranschaulichung der Auswirkungen von heutigem Handeln über einen langfristigen Zeithorizont. Durch Partizipation von Expert/innen und Stakeholder/innen in der Szenarienkonstruktion kann sowohl die Qualität von sozio-ökonomischen Szenarien verbessert, als auch soziales Lernen gefördert werden. Partizipative Szenarienplanung (PSP) erlebt deshalb einen Aufschwung ...
    Bachelor Thesis
  7. Set-Centric Subgraph Isomorphism 

    Kapp-Schwoerer, Lukas (2021)
    We investigate techniques for accelerating subgraph isomorphism (SI). SI is the task of finding occurrences of a pattern graph in a target graph and relevant to many practical applications. Our key idea is to use set algebra based formulations of SI. This facilitates employing set data structures to test the feasibility of partial mappings from the pattern graph to the target graph. The methods we use involve a range of algorithm variants ...
    Bachelor Thesis
  8. Accelerating BLAS with HBM on FPGAs in DaCe 

    Widmer, Jannis (2021)
    In recent years FPGAs have gained interest by the high performance community because they can allow to greatly reduce the data movement compared to typical load-store architectures. However, for memory bound operations FPGAs tend to be slow due to their limited memory performance. To solve this issue the major FPGA companies started inte- grating High-Bandwidth Memory (HBM) into their devices. The DaCe Framework provides an abstraction ...
    Bachelor Thesis
  9. Online Feedback Optimization for Gas Compressors 

    Degner, Maximilian (2021)
    Gas compressor stations are vital components of natural gas pipelines. Their compressors are often arranged in parallel or serial configurations to achieve a designated mass flow or pressure ratio. The machines have different, time-varying performance characteristics and by applying carefully chosen inputs to them, the station’s energy consumption of can be reduced. In the industry, a two-step real-time optimization method is frequently ...
    Bachelor Thesis
  10. Extension of High Frequency Models for Hybrid Transformers 

    Sanders, Arjan (2021)
    Bachelor Thesis
  11. Self-cleaning Preliminary Screening Mechanisms to Improve Health and Wastewater Treatment Efficiency in Low-income Countries 

    Luz, Ludwig (2021)
    The first process step in a wastewater treatment plant is generally screening. A screen can be described as a coarse sieve, designed to prevent large solids (such as pieces of wood, plastic waste and hygiene products) from entering the plant and possibly damaging subsequent treatment equipment. Screens can be classified regarding their aperture size and cleaning mechanisms. Mechanically-cleaned screens are most common in industrialized ...
    Bachelor Thesis
  12. Online Feedback Optimization for Minimal Curtailment of Renewable Generation with Real Data 

    Matt, Jonas Gebhard (2021)
    The increasing integration of distributed energy sources into low-voltage distribution networks and of photovoltaic systems in particular poses new challenges to power grid operators. Excessive distributed generation can result in overvoltages at certain distribution feeders and may consequently lead to system damages. As an alternative to physical grid reinforcement, reactive power control (Volt/VAr control) has been shown to be an ...
    Bachelor Thesis
  13. In Search of Network Shifts 

    Nestaas, Fredrik (2021)
    Bachelor Thesis
  14. Flexible Data Movement API for GPUs 

    Eichenberger, Max (2021)
    The Graphics Processing Unit is designed to manipulate plenty of memory fast. To use its full capacity, a deeper understanding of the underlying architecture is required. This thesis presents a simple but still flexible Copy API to move N-dimensional data fragments between memory spaces in a GPU efficiently. We introduce different strategies to divide fine-grained parallelism over a user given workload. These strategies are then ...
    Bachelor Thesis
  15. A model-based approach to platform-level power and clock management 

    Schult, Jasmin (2020)
    The correct management of a platform’s power and clock resources is vital for the correct operation of the platform’s hardware, which in turn forms the cornerstone of any assurances provided by software. In light of this, the firmware implementing such a power and clock management solution should ideally provide strong correctness guarantees. However, to the extent of our knowledge, the current state of the art does not go beyond ...
    Bachelor Thesis
  16. Implicit shape representations for analytically differentiable contact dynamics 

    Widmer, Daniel (2021)
    With the advances in robotics and increased research in deep learning, a variety of differentiable physics frameworks have been introduced in recent years. This thesis aims at extending an existing simulation framework with the ability to handle collisions with complex geometries while preserving the property of differentiability. The penalty-based contact model is extended to handle frictional contact for various collision types by ...
    Bachelor Thesis
  17. TaintImpact: Taint-Based Change Impact Analysis 

    Lüscher, Tobias (2021)
    Code reviews are an essential part of software development. In order to successfully perform code reviews, developers need to understand the impact of code changes thoroughly. However, understanding this impact is a notoriously difficult task. Therefore, we introduce TaintImpact. TaintImpact supports developers in the task of code reviews by showing the impact of a change. More specifically, TaintImpact starts with a git commit and ...
    Bachelor Thesis
  18. From C2Dace to C++2Dace 

    Feer, Aurel (2021)
    C and C++ are popular languages for writing performance critical applications, as they offer great performance when used to program almost any device. Unfortunately, when trying to achieve state of the art performance on any system, the code has to be specifically written and optimized for it. This process is time consuming and requires a lot of know-how. In this thesis I work on a tool that aims to map existing C/C++ programs to a ...
    Bachelor Thesis

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