COMPMID-1963: Implement FFT (2D) on NEON
Change-Id: I3b564be8d7949e00c6544071ef62dd51de838c96
Signed-off-by: giuros01 <giuseppe.rossini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1048
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEFFT1D.h b/arm_compute/runtime/NEON/functions/NEFFT1D.h
index 9b5ada7..c706936 100644
--- a/arm_compute/runtime/NEON/functions/NEFFT1D.h
+++ b/arm_compute/runtime/NEON/functions/NEFFT1D.h
@@ -26,6 +26,7 @@
#include "arm_compute/core/NEON/kernels/NEFFTDigitReverseKernel.h"
#include "arm_compute/core/NEON/kernels/NEFFTRadixStageKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFFTScaleKernel.h"
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/FunctionDescriptors.h"
@@ -37,24 +38,25 @@
// Forward declaration
class ITensor;
-/** Basic function to execute one dimensional FFT. This function calls the following OpenCL kernels:
+/** Basic function to execute one dimensional FFT. This function calls the following NEON kernels:
*
- * -# @ref CLFFTDigitReverseKernel Performs digit reverse
+ * -# @ref NEFFTDigitReverseKernel Performs digit reverse
* -# @ref NEFFTRadixStageKernel A list of FFT kernels depending on the radix decomposition
+ * -# @ref NEFFTScaleKernel Performs output scaling in case of in inverse FFT
*/
class NEFFT1D : public IFunction
{
public:
/** Default Constructor */
NEFFT1D(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
- /** Initialise the function's source, destinations and border mode.
+ /** Initialise the function's source and destinations.
*
* @param[in] input Source tensor. Data types supported: F32.
* @param[out] output Destination tensor. Data types and data layouts supported: Same as @p input.
* @param[in] config FFT related configuration
*/
void configure(const ITensor *input, ITensor *output, const FFT1DInfo &config);
- /** Static function to check if given info will lead to a valid configuration of @ref CLFFT1D.
+ /** Static function to check if given info will lead to a valid configuration of @ref NEFFT1D.
*
* @param[in] input Source tensor info. Data types supported: F32.
* @param[in] output Destination tensor info. Data types and data layouts supported: Same as @p input.
@@ -69,11 +71,14 @@
protected:
MemoryGroup _memory_group;
- Tensor _digit_reversed_input;
- Tensor _digit_reverse_indices;
NEFFTDigitReverseKernel _digit_reverse_kernel;
std::vector<NEFFTRadixStageKernel> _fft_kernels;
- unsigned int _n_ffts;
+ NEFFTScaleKernel _scale_kernel;
+ Tensor _digit_reversed_input;
+ Tensor _digit_reverse_indices;
+ unsigned int _num_ffts;
+ unsigned int _axis;
+ bool _run_scale;
};
} // namespace arm_compute
#endif /*__ARM_COMPUTE_NEFFT1D_H__ */