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Utilization of Linux Containers for HW/SW Co-Design
Juřica, Jiří ; Přikryl, Zdeněk (referee) ; Hruška, Tomáš (advisor)
In this bachelor thesis a way of replacement standard virtual machines by Linux containers is described. The goal is to create a~fully working system for performing parallel jobs with prepared environments for software build and test purposes. For containerization the Docker platform was chosen, which is used with automation tool for computers preparation. The system is also connected with continuous integration tool called Jenkins. This solution proves that usage of the Linux containers is more efficient than older virtualization technologies. The due time of each job was shortened about 24 % in average. The main benefits of this thesis is the comparison of two ways of virtualization and the introduction to the Docker technology.
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Testing Open vSwitch and DPDK
Šabart, Otto ; Grégr, Matěj (referee) ; Čejka, Rudolf (advisor)
The project is about the virtual switch called Open vSwitch and its architecture. It deals with an acceleration of the switch mainly by using Data Plane Development Kit (DPDK). Furthermore, it describes the architecture of the DPDK kit and analyses the individual functional units. Furthermore, it describes the architecture of the DPDK kit, analyses the individual functional units and describes the possibilities of its configuration. Another part of the project describes the methodology chosen for a performance testing of virtual switches. Subsequently, this methodology was used to make a design and environment implementation for fully automatic Open vSwitch s DPDK performance testing with the use of automatic systems such as Koji, Jenkins, Beaker a VSperf. Simultaneously, the tools for automatic comparison of produced results were implemented. The created environment was then used for the performance measurement of several basic Open vSwitch configurations with and without the use of DPDK. The implemented measurements are discussed and evaluated in the project. The final project's stage provides a great amount of the enlargement and improvement of the implemented tests.
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Systematization of orchestral excerpts
Kasal, Jan ; MIKOLÁŠEK, Daniel (advisor) ; MAZÁČEK, Václav (referee)
The main aim of the final thesis "Systematization of orchestral excerpts for percussion instruments" is to help percussionists to be more effective in their excerpts preparation process for their orchestral interpretation and also to help them succeed both at the domestic and at the foreign orchestra auditions.
Firstly the thesis analyses the audition process, requirements for the musician and a ranking list of the most required musical excerpts. Secondly it shows a detailed analysis of typical excerpts. The analysis is classified according to particular instruments, highlights the most difficult places in the excerpt and gives explanations how the musicians should manage their preparation process.
The thesis also includes the most important excerpts for percussion instruments besides the samples of audition invitations.Therefore it is becoming a small specific anthology for students of art schools and for those who are in the preparation process for an audition.
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The Use of Accordion in orchestral Scores
Lukeš, Jiří ; LOUDOVÁ, Ivana (advisor) ; RIEDLBAUCH, Václav (referee)
The orchestral sound is evolving over several centuries. An important influence on this fact has undoubtedly creating new musical instruments and their gradual integration into the orchestra. Concert accordion as we know it today, is about 100 years old instrument. In recent years we have witnessed to growing interest by composers, which increasingly integrate accordion to orchestra. Personally, I colaborated with few composers in preparation and execution of some of these pieces. This fact in conjunction with the lack of literature inspirate me to write this work. I deliberately chose two compositions, in which the accordion plays an important role, although not intended to form a solo concert, but just as an organic part of the orchestral staff. The main purpose was to show its unique technical and tonal possibilities on the specific parts of selected pieces focused to sound. The results of analysis of both compositions clearly show the greatest benefit of accordion possibilities in tone creation, variability associated with wide tone range and a rich variety in sound transformation of techniques of other instruments of the orchestra. Final thesis leaves somewhat open ending, it should motivate composers to think about the technical capabilities of an accordion, which is primarily tempered instrument, however in some ways can produce non tempered sound. This fact can produce new quality and also new structural conce
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Standardization of service orchestration
Sova, Jiří ; Gála, Libor (advisor) ; Vašíček, Petr (referee)
This thesis is focused on comparison of common standards used for service orchestration. Orchestration is one of main terms in service oriented architecture, which is a considerable trend in information systems development. This paper is divided into four main parts. The first chapter describes services as a part of current information systems. Definition of service oriented architecture is another subject, where service is a main component for system development and integration. Description of principles of service oriented architecture, that are describing its basis, is the last part of this chapter. The next chapter belongs to coordination of service cooperation, where we can find two basic approaches -- orchestration and choreography. The intention of this chapter is to create theoretical definition of both terms and to compare them. The third part is focused on orchestration methods standardization, where the main standard is BPEL. The history and reasons of creation are mentioned in the beginning, while next section concerns principles of BPEL. Following part describes the version of BPEL called BPEL4WS. Specification of its structure is a main primer for comparison with the latest version named WS-BPEL. The major changes are mentioned in this section. The last chapter is devoted to practical comparison of standards mentioned above. At first, there is created a sample process, based on real situation. The process contains the most important parts of BPEL language. Afterwards, the process is divided into parts, where each of them represents one activity. During description of these parts there is made the above mentioned comparison. The end of the practical part contains main conclusions that were found in this chapter.
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