SAGECAL

SAGECal is a very fast, memory efficient and GPU accelerated radio interferometric calibration program. It can handle all source models including points, Gaussians and Shapelets. It can calibrate along hundreds of directions without running out of memory in almost real time. Intel Xeon Phi acceleration is also available. Distributed calibration using MPI and consensus optimization is enabled. Also tools to build/restore sky models are included.

Features

Levenberg-Marquardt, LBFGS, Riemannian Trust Region, Nesterov's accelerated gradient descent algorithms
GPU acceleration using CUDA
Intel Xeon Phi acceleration
Fast and accurate interferometric calibration
Gaussian and Student's t noise models
Shapelet source models
CASA MS data format supported
Distributed calibration using MPI - consensus optimization with data multiplexing
Tools to build sky models and restore sky models to images
Adaptive update of ADMM penalty (Barzilai-Borwein a.k.a. Spectral method)

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License

GNU General Public License version 2.0 (GPLv2)

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Additional Project Details

Operating Systems

BSD, Linux

Intended Audience

End Users/Desktop, Engineering, Science/Research

Programming Language

C, C++

Related Categories

C++ Scientific Engineering, C++ Astronomy Software, C Scientific Engineering, C Astronomy Software

Registered

2012-11-11

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