Current Theses

Title	Student	Supervisor	Description
Fault-tolerant enactment engine for workflow applications on Amazon EC2 Spot Instances	David Milic, Fabio Schett	Sashko Ristov	details
Multi-layer enactment engine for workflow applications	Florian Maier	Sashko Ristov	details
Multi-provider enactment engine (EE) for serverless workflow applications	Jakob Nöckl, Markus Moosbrugger	Sashko Ristov, Thanh-Phuong Pham	details
Memory Management and Page Replacement Algorithms in the x86_64 Architecture	Stefan Kuhnert	Thomas Fahringer	details
Enactment engine for composed serverless functions in Fission FaaS framework	Dominik Kuen	Sashko Ristov, Thanh-Phuong Pham	details
Advisor for renting virtual machines from various public cloud service providers	Thomas Wurzer	Sashko Ristov, Thanh-Phuong Pham	details
Visual management of client resources in cloud	Hüseyin Gündogan	Sashko Ristov, Thanh-Phuong Pham	details
Monitoring system for virtualized resources in a cloud data center	David Bucher, Peter Scheier	Sashko Ristov, Thanh-Phuong Pham	details
IoT Data analytics using Serverless Computing	Markus Reiter, Michael Kaltschmid	Sashko Ristov, Thanh-Phuong Pham	details
Chartanalyse und -management	Thomas Perteneder	Thomas Fahringer	details
Code Generation and Specialization for Unstructured Mesh Stencils	Claudia Laube	Peter Thoman	details
Fluid particle simulation using SYCL	Markus Wippler	Peter Thoman	details
Streaming of Voxel-based Geometry on GPUs	Philipp Mildenberger	Peter Thoman	details
Verwaltungssystem für Literaturreferenzen	Martin Klotz	Thomas Fahringer	details
Online Betriebskosten- und Mietabrechnung	Christian Campregher	Thomas Fahringer	details

If a bachelor student wants to set his/her initial/final presentation he/she (or the supervisor) MUST contact Sashko Ristov to schedule the presentation!

Details for the theses

Title	Fault-tolerant enactment engine for workflow applications on Amazon EC2 Spot Instances
Students	David Milic, Fabio Schett
Language	English
Supervisors	Sashko Ristov
Description	The goal of this bachelor thesis is to implement a fault-tolerant enactment engine that can run scientific workflow applications on unreliable EC2 Spot Instances. The enactment engine will use fault-tolerant techniques (e.g. checkpoint-restore, task retry or task duplication) to minimise the affect of interruptions. Students can experiment the trade-off between various fault-tolerant techniques to minimise the cost and makespan of the real scientific workflows on real cloud.
Tasks	Define control and data dependencies of a scientific workflow Compose a real scientific workflow application Build an enactment engine to run the composed workflow application on EC2 Spot Instances Simulate interruptions of Spot Instances Analyse appropriate scheduling and fault-tolerant algorithms to optimise the execution of a specified workflow
Theoretical skills	Scheduling and fault tolerant algorithms, EC2 Spot Instance behavior.
Practical skills	Java, EC2 Java SDK.
Additional information

Title	Multi-layer enactment engine for workflow applications
Student	Florian Maier
Language	English
Supervisors	Sashko Ristov
Description	The goal of this bachelor thesis is to build an enactment engine that can run a given workflow on multi-layer cloud resources (e.g. Amazon EC2 On-Demand instances and containers) in order to improve one objective (makespan or economic costs). The student can experiment the trade-off between the lower cost of On-Demand instances and the low boot time of containers for the real scientific workflows on real cloud.
Tasks	Define control and data dependencies of a scientific workflow Compose a real scientific workflow application Build an enactment engine to run the composed workflow application on multi-layer cloud resources Analyse appropriate scheduling algorithms to optimise the execution of a specified workflow
Theoretical skills	Scheduling algorithms
Practical skills	Java, containers, EC2 Java SDK.
Additional information

Title	Multi-provider enactment engine (EE) for serverless workflow applications
Students	Jakob Nöckl, Markus Moosbrugger
Language	English
Supervisors	Sashko Ristov, Thanh-Phuong Pham
Description	The goal of this bachelor thesis is to build an enactment engine that will distribute functions of a workflow on at least two different FaaS providers, one commercial (e.g. AWS Lambda) and one open source (e.g. OpenWhisk or stand alone Docker) FaaS providers. The challenge is to solve function and data movement across multiple FaaS provider and consider moving data as a value or by reference.
Tasks	Develop interfaces to at least two FaaS providers (Amazon Lambda, OpenWhisk and stand-alone Docker) Develop EE to control running the full workflow Develop an interface to move data through reference or value from a function to a function across multiple FaaS providers
Theoretical skills	Familiar with APIs, programming graphical interface
Practical skills	Java, Serverless, Docker.
Additional information

Title	Memory Management and Page Replacement Algorithms in the x86_64 Architecture
Number of student	Stefan Kuhnert
Language	English
Supervisor	Thomas Fahringer
Description	Paging and memory allocations changed a lot since the introduction of x86_64 Architecture. The goal of this thesis is to provide an overview of the changes and analyzing metrics that are used for comparison of memory related algorithms.
Tasks	Differences between the 64-bit and the 32-bit Architecture Tool for Page Replacement & Memory Allocation Algorithms Metrics and Comparisons of Memory Related Algorithms Benchmarks and Categorization of memory intensive applications
Theoretical Skills	Operating System Architecture, Algorithms, Memory management
Practical Skills	x86_64 Architecture, C/C++, Linux Kernel
Additonal Information

Title	Enactment engine for composed serverless functions in Fission FaaS framework
Number of student	Dominik Kuen
Language	English
Supervisor	Sashko Ristov, Thanh-Phuong Pham
Description	Develop a system that allows to compose a complex serverless application using nested workflow control patterns and execute it on the Fission FaaS framework.
Tasks	Analyze how to describe patterns, nested patterns and bundle them into a complex application Analyze the most appropriate language to model the complex serverless applications Develop API for nested control patterns Develop an execution engine on top of Fission / Kubernetes / Docker
Theoretical Skills	Distributed Systems, Cloud Computing, Algorithms
Practical Skills	Docker, Kubernetes, Fission , Java or Python
Additonal Information

Title	Advisor for renting virtual machines from various public cloud service providers
Student	Thomas Wurzer
Language	English
Supervisor	Sashko Ristov,Thanh-Phuong Pham
Description	The goal of this thesis is to develop an advisor that will collect the data about virtual machine instances and their prices from several public cloud providers and to propose the most optimal resources according to the user requirements.
Tasks	Develop a crawler that will collect the data from cloud service providers Develop an application that will visualize the gathered data Develop an algorithm that will propose the optimal resources from all offers
Theoretical Skills	Some optimization techniques
Practical Skills	Web development
Additonal Information

Title	Visual management of client resources in cloud
Student	Hüseyin Gündogan
Language	English
Supervisor	Sashko Ristov, Thanh-Phuong Pham
Description	The goal of this thesis is to develop a drag-and-drop based GUI that can allow the user to graphically design the required resources and then submit a single request to the cloud to provide those resources organized as defined by the user. For example, a user can specify the number and type of virtual machines, their interconnections and security rules.
Tasks	Develop a GUI to design a network of virtual machines and access lists Develop interfaces for cloud APIs (Amazon EC2 or OpenStack) Management of user resources in Cloud
Theoretical Skills	Familiar with APIs, programming graphical interface
Practical Skills	Java, Web development
Additonal Information

Title	Monitoring system for virtualized resources in a cloud data center
Student	David Bucher, Peter Scheier
Language	English
Supervisor	Sashko Ristov, Thanh-Phuong Pham
Description	The goal of this thesis is to develop a monitoring system that will collect the data about resource utilization of all virtual machines of each server in a cluster and visualize to the system administrator. The main focus is to collect and process data using Apache Kafka and Spark.
Tasks	Develop a daemon for each VM / server Develop a centralized collector Develop an application that will visualize the gathered data
Theoretical Skills	Memory management, Operating system Linux
Practical Skills	Java
Additonal Information

Title	IoT Data analytics using Serverless Computing
Students	Markus Reiter, Michael Kaltschmid
Language	English
Supervisor	Sashko Ristov, Thanh-Phuong Pham
Description	The goal of this thesis is to develop a platform that will gather large-scale data as streams from IoT devices using Apache Kafka and process it with Function-as-a-service (FaaS) framework (e.g. OpenWhisk or Fission over Kubernetes). Gathered data will be visualized also using FaaS.
Tasks	Develop the serverless platform Develop a composition of functions to store and process gathered data. Develop an application that will visualize the gathered data.
Theoretical Skills
Practical Skills
Additonal Information

Title	Chartanalyse und -management
Student	Thomas Perteneder
Language	German
Supervisors	Thomas Fahringer
Description	Es soll ein Online Werkzeug zur Analyse und zum Verwaltung von Wertpapierkursen entwickelt werden. Dabei sollen beliebige Wertpapiere analysiert und miteinander verglichen werden. Kauf- und aktuelle Kurse sollen dargestellt und Events registriert und mit Aktionen versehen werden. Kursschwankungen und Rendite sollen dargestellt werden. Die Kurswerte sollten online durch Zugriff auf öffentliche Repositories geladen und aktualisiert werden. Das System ist über Sicherheitsmechanismen zu schützen. Depots sollen eingerichtet und verwaltet werden.
Tasks	Online Anwendung mit Sicherheitsmechanismen; automatische Aktualisierung und Speicherung in einer Datenbank.
Skills	Visualisierung von Kursbewegungen und -analysen.
Additional information

Title	Code Generation and Specialization for Unstructured Mesh Stencils
Student	Claudia Laube
Language	English
Supervisors	Peter Thoman
Description	In this thesis, generating input-data-specific processing code for performing stencil computation on large unstructured meshes is investigated.
Tasks	Familiarization with the topic of unstructured mesh computations Create a code generator which can generate code for at least 3 distinct types of meshes (ie. 2D grids, fully connected, and manually designed from a common source format) Investigate the reasons the performance advantages of specialized code Find methods to reduce compile times while maintaining the performance advantages Evaluate how the relative performance of traditional stencil code and data-specific generated code behaves for different mesh types, node structures, and update steps

Title	Fluid particle simulation using SYCL
Student	Markus Wippler
Language	English
Supervisors	Peter Thoman
Description	This thesis involves the implementation of a GPU-based fluid particle simulation using SYCL, as well as its visualization.
Tasks	Investigate possibilities for SYCL integration with graphics APIs, make an implementation choice and reason about it Investigate data structures proposed in the literature for this task, perform a comparative evaluation, and choose one for your implementation Implement the particle simulation using SYCL, as well as a visualization Evaluate its performance across at least 2 GPU architectures Implement and evaluate the impact of at least 2 optimization strategies

Title	Streaming of Voxel-based Geometry on GPUs
Student	Philipp Mildenberger
Language	English
Supervisors	Peter Thoman
Description	Investigation of the data structures and algorithms required for high-performance rendering of very detailed Voxel scenes on GPU. Includes the development and implementation of a streaming technique.
Tasks	Comparison of Voxels to different Geometry models like a point cloud or triangles, and their use Explanation why streaming of geometry is necessary for extremely detailed scenes Short discussion about different rendering methods & the necessity of the GPU for raycasting Discussion and development of the data structure needed for streaming Development of a streaming technique

Title	Webinterface for FLD
Number of students	Martin Klotz
Supervisor	Thomas Fahringer
Language	English or German
Description	The FLD – documentation of research done – is an university and inter-university collection of the active research done at the divers institutes. Conference papers as well as editor-ships and public works are recorded. This bachelor thesis should create an interface for entering all necessary information into an own database, while it provides and validates(!) most information out of a given DOI-Link and IEEE/Springer/ACM/DBLP libraries. It should generate BibTeX and an overview/report. The used back-end (frameworks/languages/own things/…) can be discussed.Die FLD – Forschungsleistungsdokumentation – ist eine universitaere und interuniversitaere Zusammenfassung der aktiven Forschung. Hier werden nicht nur Papers von Konferenzen eingetragen, sondern auch Editorenschaften und Â Oeffentlichkeitsarbeit. Diese Bachelorarbeit soll nun ein Interface zum Eintragen aller notwendigen Informationen anbieten, wobei moeglichst vieles automatisch aus DOI-Link bzw IEEE/Springer/ACM/DBLP-Bibliothek generiert und vor allem auch ueberprueft, werden soll. Die Implementation soll sowohl BibTeX als auch eine Uebersicht ausgeben koennen. Welches Back-End verwendet werden soll (Framework/Sprache/eigenes…) ist dem Studenten, in Absprache mit dem Betreuer, selber ueberlassen.
Tasks	Read background literature (given by supervisor) Evaluate information required (with supervisor) Build up a “simple” interface and the output. Evaluate information retrievable by DBLP/… Build a system to retrieve information Test the tool.
Theoretical skills	Web, Validation
Practical skills	Web-developement (framework discussable), Databases

Title	Online Betriebskosten- und Mietabrechnung
Number of students	1
Language	German
Supervisors	Thomas Fahringer
Description	Es soll eine automatische Betriebskosten- und Mietabrechnung für eine größere Zahl von Mietwohnungen implementiert werden. Dabei soll ein online Zugriff auf diverse Verbraucherpreisindexe durchgeführt werden, um eine etwaige Erhöhung der Miete automatisch zu melden und zu verrechnen. Das System soll gesichert werden, sodass nur durch autorisierte Personen Zugriff erfolgen kann. Die Daten sollen in einer Datenbank gesichert werden.
Tasks	Online Webapplikation Verrechnung von Mieten und Betriebskosten gegliedert in verschiedene Steuersätze Online Zugriff auf Verbraucherpreisindexwerte Speichern aller relevanten Daten in einer Datenbank Sicherheitsmaßnahmen und -protokolle Automatische Monitoren und Meldesystem
Skills	Java or C++ or Scripting languages, security mechanisms
Additional information