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» Optimal Solvers for PDE-Constrained Optimization
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FCCM
2006
IEEE
111views VLSI» more  FCCM 2006»
15 years 5 months ago
Pipelined Mixed Precision Algorithms on FPGAs for Fast and Accurate PDE Solvers from Low Precision Components
FPGAs are becoming more and more attractive for high precision scientific computations. One of the main problems in efficient resource utilization is the quadratically growing r...
Robert Strzodka, Dominik Göddeke
IPPS
2006
IEEE
15 years 5 months ago
Conjugate gradient sparse solvers: performance-power characteristics
We characterize the performance and power attributes of the conjugate gradient (CG) sparse solver which is widely used in scientific applications. We use cycle-accurate simulatio...
Konrad Malkowski, Ingyu Lee, Padma Raghavan, Mary ...
SIGMOD
2012
ACM
222views Database» more  SIGMOD 2012»
13 years 1 months ago
Tiresias: a demonstration of how-to queries
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
Alexandra Meliou, Yisong Song, Dan Suciu
CCE
2011
14 years 6 months ago
Optimization-based design of reactive distillation columns using a memetic algorithm
This contribution deals with the optimization of the design of reactive distillation columns by using a memetic algorithm (MA) which is a combination of an evolution strategy (ES)...
Maren Urselmann, S. Barkmann, Guido Sand, Sebastia...
SIAMNUM
2011
252views more  SIAMNUM 2011»
14 years 6 months ago
Analysis and Computation of Compatible Least-Squares Methods for div-curl Equations
We develop and analyze least-squares finite element methods for two complementary div-curl elliptic boundary value problems. The first one prescribes the tangential component of ...
Pavel B. Bochev, Kara Peterson, Christopher M. Sie...