Search for dissertations about: "parallel computations"

Showing result 11 - 15 of 85 swedish dissertations containing the words parallel computations.

  2. 11. Parallel algorithms for real-time railway rescheduling

    Author : Sai Prashanth Josyula; Johanna Törnquist Krasemann; Lars Lundberg; Mats Brorsson; Blekinge Tekniska Högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : In railway traffic systems, it is essential to achieve a high punctuality to satisfy the goals of the involved stakeholders. Thus, whenever disturbances occur, it is important to effectively reschedule trains while considering the perspectives of various stakeholders. READ MORE

  4. 12. Improving the efficiency of eigenvector-related computations

    Author : Angelika Beatrix Schwarz; Lars Karlsson; Bo Kågström; Carl Christian Kjelgaard Mikkelsen; Miroslav Tůma; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; high-performance computing; standard non-symmetric eigenvalue problem; triangular Sylvester equation; tiled algorithms; task parallelism;

    Abstract : An effective strategy in dense linear algebra is the design of algorithms as tiled algorithms. Tiled algorithms that express the bulk of the computation as matrix-matrix operations (level-3 BLAS) have proven successful in achieving high performance on cache-based architectures. READ MORE

  5. 13. Scheduling of parallel matrix computations and data layout conversion for HPC and Multi-Core Architectures

    Author : Lars Karlsson; Bo Kågström; Erik Elmroth; Charles Van Loan; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer and systems science; Data- och systemvetenskap; data- och systemvetenskap; computer and systems sciences;

    Abstract : Dense linear algebra represents fundamental building blocks in many computational science and engineering applications. The dense linear algebra algorithms must be numerically stable, robust, and reliable in order to be usable as black-box solvers by expert as well as non-expert users. READ MORE

  6. 14. Finite Element Computations on Multicore and Graphics Processors

    Author : Karl Ljungkvist; Jarmo Rantakokko; Xing Cai; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Finite Element Methods; GPU; Matrix-Free; Multigrid; Transactional Memory; Scientific Computing; Beräkningsvetenskap;

    Abstract : In this thesis, techniques for efficient utilization of modern computer hardwarefor numerical simulation are considered. In particular, we study techniques for improving the performance of computations using the finite element method. READ MORE

  7. 15. Language Constructs for Safe Parallel Programming on Multi-Cores

    Author : Johan Östlund; Tobias Wrigstad; Ludovic Henrio; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Programming Languages; Type Systems; Ownership Types; Concurrency; Parallelism; Actors; Active Objects; Structured Parallelism; Data Race-Freedom; Immutability; Uniqueness; Datavetenskap; Computer Science;

    Abstract : The last decade has seen the transition from single-core processors to multi-cores and many-cores. This move has by and large shifted the responsibility from chip manufacturers to programmers to keep up with ever-increasing expectations on performance. READ MORE