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Indira Munagani
A fingerprint matching algorithm with a novel set of matching parameters based on core points and triangular descriptors is proposed to discover rarity in fingerprints. The algorithm uses a mathematical and statistical approach to discover rare features in fingerprints which provides scientific validation for both ten-print and latent fingerprint evidence. A feature is considered rare […]
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Chau-Yi Chou, Sheng-Hsiu Kuo, Chih-Wei Hsieh, Tsung-Che Tsai, Hsi-Ya Chang
Multi-core platforms become ubiquitous nowadays. Even laptops contain multi-core processors now. There are multiple cores in a chip or socket or die. A computing node contains multiple chips. Multi-core platforms are rapidly increasing and the number of cores on these platforms is increasing rapidly too. How to enjoy the benefits of parallel computing on the […]
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Xinyan Zha, Sartaj Sahni
We develop GPU adaptations of the Aho-Corasick string matching algorithm for the the case when all data reside initially in the GPU memory and the results are to be left in this memory. We consider several refinements to a base GPU implementation and measure the performance gain from each refinement. Experiments conducted on an NVIDIA […]
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S. Gorbunov, D. Rohr, K. Aamodt, T. Alt, H. Appelshauser, A. Arend, M. Bach, B. Becker, S. Bottger, T. Breitner, H. Busching, S. Chattopadhyay, J. Cleymans, I. Das,O. Djuvsland, H. Erdal, R. Fearick, O. S. Haaland, P. T. Hille, S. Kalcher, K. Kanaki, U. Kebschull, I. Kisel, M. Kretz, C. Lara, S. Lindal, V. Lindenstruth, A. A. Masoodi, G. Ovrebekk, R. Panse, J. Peschek, M. Ploskon, T. Pocheptsov, T. Rascanu, M. Richter, D. Rohrich, B. Skaali, T. Steinbeck, A. Szostak, J. Thader, T. Tveter, K. Ullaland, Z. Vilakazi, R. Weis, P. Zelnicek
The on-line event reconstruction in ALICE is performed by the High Level Trigger, which should process up to 2000 events per second in proton-proton collisions and up to 300 central events per second in heavy-ion collisions, corresponding to an input data stream of 30 GB/s. In order to fulfill the time requirements, a fast on-line […]
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David B. Thomas, Wayne Luk
Artificial neural networks are a key tool for researchers attempting to understand and replicate the behaviour and intelligence found in biological neural networks. Software simulations offer great flexibility and the ability to select which aspects of biological networks to model, but are slow when operating on more complex biologically plausible models; while dedicated hardware solutions […]
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Chih-Wei Hsieh, Sheng-Hsiu Kuo, Fang-An Kuo, Chau-Yi Chou
Multi-core platform enters the territory of high performance computing (HPC). Moreover, the NVIDA GT200 has 240 cores and performs thousands upon thousands of threads simultaneously. The role of the Graphics Processing Units (GPU)accelerator has become more and more important for scientific computing and computational fluid dynamic (CFD) to obtain result quickly and efficiently. In this […]
Du Liuge, Li Kang, Kong Fanmin
Parallel Finite Difference Time Domain (FDTD) method has been explored over past few years because of the expensive computation needed for its application. And General Purpose Graphics Processing Units (GPGPU), especially Computer Unit Device Architecture (CUDA) model, has been offered an efficient and simple solution. This paper analyzes parallel FDTD method and CUDA architecture, presents […]
Christian Obrecht, Frederic Kuznik, Bernard Tourancheau, Jean-Jacques Roux
Emerging many-core processors, like CUDA capable nVidia GPUs, are promising platforms for regular parallel algorithms such as the Lattice Boltzmann Method (LBM). Since the global memory for graphic devices shows high latency and LBM is data intensive, the memory access pattern is an important issue for achieving good performances. Whenever possible, global memory loads and […]
Tobias Brandvik, Graham Pullan
A new three-dimensional Navier-Stokes solver for flows in turbomachines has been developed. The new solver is based on the latest version of the Denton codes but has been implemented to run on graphics processing units (GPUs) instead of the traditional central processing unit. The change in processor enables an order-of-magnitude reduction in run-time due to […]
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Ji Xu, Ying Ren, Wei Ge, Xiang Yu, Xiaozhen Yang, Jinghai Li
Molecular dynamics (MD) simulation is a powerful computational tool to studythe behavior of macromolecular systems. But many simulations of this field arelimited in spatial or temporal scale by the available computational resource.In recent years, graphics processing unit (GPU) provides unprecedentedcomputational power for scientific applications. Many MD algorithms suit withthe multithread nature of GPU. In this […]
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