Improved Acceleration of the GPU Fourier Domain Acceleration Search Algorithm

29 Nov 2017 Karel Adámek Sofia Dimoudi Mike Giles Wesley Armour

We present an improvement of our implementation of the Correlation Technique for the Fourier Domain Acceleration Search (FDAS) algorithm on Graphics Processor Units (GPUs) (Dimoudi & Armour 2015; Dimoudi et al. 2017). Our new improved convolution code which uses our custom GPU FFT code is between 2.5 and 3.9 times faster the than our cuFFT-based implementation (on an NVIDIA P100) and allows for a wider range of filter sizes then our previous version... (read more)

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