high performance computing on graphics processing units: hgpu.org

As graphics processing unit (GPU) architects have made their pipelines more programmable in recent years, GPUs have become increasingly general-purpose. As a result, more and more general-purpose, non-graphics applications are being ported to GPUs. Past work has focused on applications that map well to the data parallel GPU programming model. These applications are usually embarrassingly […]

EGSnrc is a well-known Monte Carlo simulation package for coupled electron-photon transport that is widely used in medical physics application. This paper proposes a parallel implementation of the photon transport mechanism of EGSnrc for graphics processing units (GPUs) using NVIDIA’s Compute Unified Device Architecture (CUDA). The implementation is specifically designed for imaging applications in the […]

Network intrusion detection systems are faced with the challenge of identifying diverse attacks, in extremely high speed networks. For this reason, they must operate at multi-Gigabit speeds, while performing highly-complex per-packet and per-flow data processing. In this paper, we present a multi-parallel intrusion detection architecture tailored for high speed networks. To cope with the increased […]

This book focuses on advanced rendering techniques that run on the DirectX and/or OpenGL run-time with any shader language available. It includes articles on the latest and greatest techniques in real-time rendering, including MLAA, adaptive volumetric shadow maps, light propagation volumes, wrinkle animations, and much more. The book emphasizes techniques for handheld programming to reflect […]

Using the new OpenCL (Open Computing Language) standard, you can write applications that access all available programming resources: CPUs, GPUs, and other processors such as DSPs and the Cell/B.E. processor. Already implemented by Apple, AMD, Intel, IBM, NVIDIA, and other leaders, OpenCL has outstanding potential for PCs, servers, handheld/embedded devices, high performance computing, and even […]

The assessment of chemical similarity between molecules is a basic operation in chemoinformatics, a computational area concerning with the manipulation of chemical structural information. Comparing molecules is the basis for a wide range of applications such as searching in chemical databases, training prediction models for virtual screening or aggregating clusters of similar compounds. However, currently […]

Real world data is likely to contain an inherent structure. Those structures may be represented with graphs which encode independence assumptions within the data. Performing inference in those models is nearly intractable on mobile devices or casual workstations. This work introduces and compares two approaches for accelerating the inference in graphical models by using GPUs […]

A new fault-tolerant message passing interface framework for a hybrid parallel com-puting in distributed volunteer-based networks is presented in this paper. It is a new programming core library being able to link together many CPUs and promis-ing General Purpose Graphic Processing Unit (GPGPU) devices over the Internet. We successfully developed a high-level programming interface on […]

In this short paper we describe simple approach to loosely compress the vertex data for ray tracing large triangular models on the GPU. The disadvantage of the GPU is limited memory capacity. The advantage of the GPU is high performance computation. Sometimes it is hard to load large models to the GPU and we suggest […]

Compiling Bayesian networks (BNs) to junction trees and performing belief propagation over them is among the most prominent approaches to computing posteriors in BNs. However, belief propagation over junction tree is known to be computationally intensive in the general case. Its complexity may increase dramatically with the connectivity and state space cardinality of Bayesian network […]

Secure end-to-end communication is becoming increasingly important as more private and sensitive data is transferred on the Internet. Unfortunately, today’s SSL deployment is largely limited to security or privacycritical domains. The low adoption rate is mainly attributed to the heavy cryptographic computation overhead on the server side, and the cost of good privacy on the […]

Advent of next generation gene sequencing machines has led to computationally intensive alignment problems that can take many hours on a modern computer. Considering the fast increasing rate of introduction of new short sequences that are sequenced, the large number of existing sequences and inaccuracies in the sequencing machines, short sequence alignment has become a […]