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fftGPU 1.0
File ID: 78395






fftGPU 1.0
Download fftGPU 1.0http://www.mathworks.comReport Error Link
License: Freeware
File Size: 10.0 KB
Downloads: 5
Submit Rating:
fftGPU 1.0 Description
Description: This function implements vectorized FFTs on a GPU. The answer is the same as the fft and ifft matlab functions.

You need to install the GPUFFTW2.0 library of Naga K. Govindaraju http://gamma.cs.unc.edu/GPUFFTW/ . On Naga's wed site, you can see the system requirements. It works on linux and windows.

This function support real and complex FFTs.

I don't recommend this program for small fft. It really worth it for fft over 2^20 points. It does the fft in SINGLE PRECISION. The fft length must be a power of two.

For obtaining reasonably high performance, Naga K. Govindaraju recommend a PC with AGP8X/PCI-Express NVIDIA GeForce 6800 GT or faster GPU. The Video RAM will determine the maximum array length of fft that can done on the GPU. For example, on a card with 256 MB VRAM, the maximum-length array is 256/32 = 8 Million real values or 4M complex values.

License: Freeware

Related: obtaining, Performance, agp xpciexpress, twofor, Power, points, Single, Precision, Length, Nvidia, geforce, maximumlength, Million, values, Array, faster, Video

O/S:BSD, Linux, Solaris, Mac OS X

File Size: 10.0 KB

Downloads: 5



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