GPU Fast Convolution via the Overlap-and-Save Method in Shared Memory
GPU Fast Convolution via the Overlap-and-Save Method in Shared Memory
复制标题
通过共享内存中的重叠保存方法进行 GPU 快速卷积
DOI:
10.1145/3394116
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发表时间:
2020
影响因子:
1.6
通讯作者:
Adámek K
中科院分区:
文献类型:
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作者:
Adámek K
We present an implementation of the overlap-and-save method, a method for the convolution of very long signals with short response functions, which is tailored to GPUs. We have implemented several FFT algorithms (using the CUDA programming language), which exploit GPU shared memory, allowing for GPU accelerated convolution. We compare our implementation with an implementation of the overlap-and-save algorithm utilizing the NVIDIA FFT library (cuFFT). We demonstrate that by using a shared-memory-based FFT, we can achieved significant speed-ups for certain problem sizes and lower the memory requirements of the overlap-and-save method on GPUs.
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Numerical Computations with GPUs
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