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EGH
2010
Springer
13 years 7 months ago
A lazy object-space shading architecture with decoupled sampling
We modify the Reyes object-space shading approach to address two inefficiencies that result from performing shading calculations at micropolygon grid vertices prior to rasterizati...
Christopher A. Burns, Kayvon Fatahalian, William R...
EGH
2009
Springer
13 years 7 months ago
Accelerating shadow rays using volumetric occluders and modified kd-tree traversal
Monte Carlo ray tracing remains a simple and elegant method for generating robust shadows. This approach, however, is often hampered by the time needed to evaluate the numerous sh...
Peter Djeu, Sean Keely, Warren Hunt
WOMPAT
2004
Springer
14 years 2 months ago
Runtime Adjustment of Parallel Nested Loops
OpenMP allows programmers to specify nested parallelism in parallel applications. In the case of scientific applications, parallel loops are the most important source of paralleli...
Alejandro Duran, Raúl Silvera, Julita Corba...
CEC
2008
IEEE
14 years 3 months ago
Generating massive high-quality random numbers using GPU
— Pseudo-random number generators (PRNG) have been intensively used in many stochastic algorithms in artificial intelligence, computer graphics and other scientific computing. ...
Wai-Man Pang, Tien-Tsin Wong, Pheng-Ann Heng
SAC
2004
ACM
14 years 2 months ago
Using semi-lagrangian formulations with automatic code generation for environmental modeling
An import issue for numerical weather prediction modes (NWP) is the time it takes to produce a valid forecast. One factor, which greatly influences this simulation time is the si...
Paul van der Mark, Lex Wolters, Gerard Cats