high performance computing on graphics processing units: hgpu.org

To face the ever demanding requirements in term of accuracy and speed of scientific simulations, the High Performance community is constantly increasing the demands in term of parallelism, adding thus tremendous value to parallel libraries strongly optimized for highly complex architectures.Enabling HPC applications to perform efficiently when invoking multiple parallel libraries simultaneously is a great […]

Astrophysical research in recent decades has made significant progress thanks to the availability of various N-body simulation techniques. With the rapid development of high-performance computing technologies, modern simulations have been able to take the computing power of massively parallel clusters with more than 10^5 GPU cores. While unprecedented accuracy and dynamical scales have been achieved, […]

Designing programming environments for physical simulation is challenging because simulations rely on diverse algorithms and geometric domains. These challenges are compounded when we try to run efficiently on heterogeneous parallel architectures. We present Ebb, a domain-specific language (DSL) for simulation, that runs efficiently on both CPUs and GPUs. Unlike previous DSLs, Ebb uses a three-layer […]

In this work we present a multi-level parallel framework for the Optical Flow computation on a GPUs cluster, equipped with a scientific computing middleware (the PetSc library). Starting from a flow-driven isotropic method, which models the optical flow problem through a parabolic partial differential equation (PDE), we have designed a parallel algorithm and its software […]

Although recent work in non-linear dimensionality reduction investigates multiple choices of divergence measure during optimization (Yang et al., 2013; Bunte et al., 2012), little work discusses the direct effects that divergence measures have on visualization. We study this relationship, theoretically and through an empirical analysis over 10 datasets. Our works shows how the alpha and […]

In recent years, the need for continuous processing and analysis of data streams has increased rapidly. To achieve high throughput-rates, stream-applications make use of operator-parallelization, batching-strategies and distribution. Another possibility is to utilize co-processors capabilities per operator. Further, the database community noticed, that a column-oriented architecture is essential for efficient co-processing, since the data transfer […]

Voice conversion is the task of transforming a source speaker’s voice so that it sounds like a target speaker’s voice. We present a GPUfriendly local regression model for voice conversion that is capable of converting speech in real-time and achieves state-of-the-art accuracy on this task. Our model uses a new approximation for computing local regression […]

In this paper, the parallel algorithm of JPEG coding based on GPU is proposed, most image compression systems have efficiency problem and the real-time of wireless multimedia sensor networks (WMSN) which used in image compression and transmission is also an issue need to be solved, so in this paper parallel computation is used in JPEG […]

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Topics: Agent architectures, ontologies, languages and protocols Multi-agent systems Agent-based learning and knowledge discovery Interface agents Agent-based auctions and marketplaces Artificial life and societies Secure mobile and multi-agent systems Mobile agents Mobile Commerce Technology and Application Systems Component-Based Software Engineering Automated Software Specification Automated Software Design and Synthesis Computer-Supported Cooperative Work Embedded and Ubiquitous Software […]

Topics: Session 1: Information Management Business strategy and information systems Management Information Systems Human factors in information systems Project Management IT and IS Innovation Session 2: Information Systems and Technology Accounting Business Administration Business Policy and Strategy Economics Social Issues in Management Technology and Innovation Web Technology and Management Session 3: E-Business Engineering and Management […]

Topics: Antennas, RF and Microwave Communications Audio / Speech Processing and Coding Array Signal Processing Bio Signal Processing Cognitive Radio and Cognitive Networks Digital Signal Processing Mobile and Cellular Communications MIMO and Space Time Communications Optical Communication OFDM and CDMA Communication Receivers Satellite Communication Statistical Signal Processing Signal Processing for Communications Signal Processing for Security […]