As a result of continual space activity since the 1950s, there are now a large number of man-made Resident Space Objects (RSOs) orbiting the Earth. Because of the large number of items and their relative speeds, the possibility of destructive …
December 3, 2012 by hgpu
One of today’s biggest challenges in the field of high performance computing is the efficient exploitation of the heavily increasing parallelism on socket level, especially when both CPU and GPU resources are to be applied – a challenge becoming very …
November 19, 2012 by hgpu
Many geoscientific applications involve boundary value problems arising in simulating electrostatic and electromagnetic fields for geophysical prospecting and subsurface imaging of electrical resistivity. Modeling complex geological media with three-dimensional finite difference grids gives rise to large sparse linear systems of …
October 15, 2012 by hgpu
Vector Sum Analysis Method (VSAM), with its clear physical and mechanical meaning in slope stability analysis, can be effectively applied to calculate the slope safety factor and to search the critical slip surface of a slope. In the current researches …
October 14, 2012 by hgpu
In this paper an inverse preconditioner for the numerical solution of an elliptic Laplace prob- lem of a global circulation ocean model is presented. The inverse preconditiong technique is adopted in order to efficiently compute the numerical solution of the …
October 9, 2012 by hgpu
Lamberts problem is concerned with the determination of an orbit that connects two position vectors within a specified time of flight. It must often be solved millions of times, especially when one is conducting global searches for possible gravity assist …
September 25, 2012 by hgpu
Refined models have been an important development trend of urban regional seismic damage prediction. However, the application of refined models has been limited due to their high computational cost if implemented on traditional Central Processing Unit (CPU) platforms. In recent …
September 17, 2012 by hgpu
Climate simulation models are used for a variety of scientific problems and accuracy of the climate prognoses is mostly limited by the resolution of the models. Finer resolution results in more accurate prognoses but, at the same time, significantly increases …
September 13, 2012 by hgpu
We report the design and realization of a highperformance parallel GIS, i.e., CudaGIS, based on the General Purpose computing on Graphics Processing Units (GPGPU) technologies. Still under active developments, CudaGIS currently supports major types of geospatial data (point, polyline, polygon …
September 6, 2012 by hgpu
Simulating seismic wave propagation is important for the study of earthquake sources, the generation of strong ground motions and the excitation of large tsunamis. We describe methods for accelerating large-scale finite-difference time-domain simulation of the seismic wave propagation by the …
August 17, 2012 by hgpu
Thanks to the nature of the graphics processing, the newly released products offer highly parallel processing units with high-memory bandwidth and computational power of more than teraflops per second. The modern GPUs are not only powerful graphic engines but also …
August 13, 2012 by hgpu
We have ported an implementation of the spin-up for marine ecosystem models based on the "Transport Matrix Method" to graphics processing units (GPUs). The original implementation was designed for distributed-memory architectures and uses the PETSc library that is based on …
August 4, 2012 by hgpu
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