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大神,复数乘法用cublas库可不可以? #1

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QuantumLiu opened this issue Nov 30, 2016 · 2 comments
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大神,复数乘法用cublas库可不可以? #1

QuantumLiu opened this issue Nov 30, 2016 · 2 comments

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@QuantumLiu
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QuantumLiu commented Nov 30, 2016

`cublasStatus_t cublasCgemm(cublasHandle_t handle, cublasOperation_t transa, cublasOperation_t transb, int m, int n, int k, const cuComplex *alpha, const cuComplex *A, int lda, const cuComplex *B, int ldb, const cuComplex *beta, cuComplex *C, int ldc)
cublasStatus_t cublasZgemm(cublasHandle_t handle, cublasOperation_t transa, cublasOperation_t transb, int m, int n, int k, const cuDoubleComplex *alpha, const cuDoubleComplex *A, int lda, const cuDoubleComplex *B, int ldb, const cuDoubleComplex *beta, cuDoubleComplex *C, int ldc)

Read more at: http://docs.nvidia.com/cuda/cublas/index.html#ixzz4RSDve2LC
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@chaolongzhang
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cuBLAS我没有用过,不过从文档来看是可以的。在cuBLAS文档中:

上面的这些运算都有复数版本的API,可以参考cuBLAS文档

@QuantumLiu
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我现在在想cnn的反向传播能不能也用fft

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