New Radix-2 and Radix-22 Constant Geometry Fast Fourier Transform Algorithms For GPUs
New Radix-2 and Radix-22 Constant Geometry Fast Fourier Transform Algorithms For GPUs
This paper presents new radix-2 and radix-22 constant geometry fast Fourier transform (FFT) algorithms for graphics processing units (GPUs). The algorithms combine the use of constant geometry with special scheduling of operations and distribution among the cores. Performance tests on current GPUs show a significant improvements compared to the most recent version of NVIDIA’s well-known CUFFT, achieving speedups of up to 5.6x.
- Linköping University Sweden
Fast Fourier transform (FFT), Other Electrical Engineering, Electronic Engineering, Information Engineering, graphics processing unit (GPU), radix, CUDA, Annan elektroteknik och elektronik, real-time., constant geometry
Fast Fourier transform (FFT), Other Electrical Engineering, Electronic Engineering, Information Engineering, graphics processing unit (GPU), radix, CUDA, Annan elektroteknik och elektronik, real-time., constant geometry
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