Fourier Transform and Convolution Subroutines for the IBM 3090 Vector Facility

@article{Agarwal1986FourierTA,
  title={Fourier Transform and Convolution Subroutines for the IBM 3090 Vector Facility},
  author={Ramesh C. Agarwal and James W. Cooley},
  journal={IBM Journal of Research and Development},
  year={1986},
  volume={30},
  pages={145-162}
}
A set of highly optimized subroutines for digital signal processing has been included in the Engineering and Scientific Subroutine Library (ESSL) for the IBM 3090 Vector Facility. These include FORTRAN-callable subroutines for Fourier transfomts, convolution, and correlation. The subroutines are carefully designed and tuned for optimal vector and cache performance. Speedups of up to SVa times over scalar performance on ttie 3090 have been obtained. 

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