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I'm trying to use cuda for image processing.
I need fft for low-pass filter, so I've tried to use cufft, and now I found that there is no cufft.lib for win32 in "NVIDIA GPU Computing Toolkit\CUDA\v7.0\lib\win32".
It only exists in x64 folder.
Can I use cufft for x64 only? or am I missing something on installation?
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The cuFFT library provides a simple interface for computing FFTs on an NVIDIA GPU, which allows users to quickly leverage the floating-point power and parallelism of the GPU in a highly optimized and tested FFT library. The cuFFT product supports a wide range of FFT inputs and options efficiently on NVIDIA GPUs.
After downloading cuDNN , extract the file downloaded and open it. The file structure as follows. Copy the 3 folders and the text file and go to the location where NVIDIA GPU Computing Toolkit is located. Most probably it will be installed on C:\Program Files\NVIDIA GPU Computing Toolkit file path.
From the CUDA 7 release notes:
Certain CUDA Features on 32-bit and 32-on-64-bit Windows Systems
The CUDA Toolkit no longer supports 32-bit Windows operating systems. Furthermore, the Windows CUDA Driver no longer supports Tesla and Quadro products on 32-bit Windows operating systems. Additionally, on 64-bit Windows operating systems, the following features are no longer supported by the CUDA driver or CUDA toolkit:
Running 32-bit applications on Tesla and Quadro products
Using the Thrust library from 32-bit applications
32-bit versions of the CUDA Toolkit scientific libraries, including cuBLAS, cuSPARSE, cuFFT, cuRAND, and NPP
32-bit versions of the CUDA samples
So no, there is no longer a 32 bit version of CUFFT shipped on Windows platforms as of CUDA 7.
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answered Oct 19 '22 18:10
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