diff options
Diffstat (limited to 'arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h')
| -rw-r--r-- | arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h b/arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h index 8557ef42e1..a3db23aaee 100644 --- a/arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h +++ b/arm_compute/runtime/NEON/functions/NEGEMMLowpOutputStage.h @@ -43,14 +43,18 @@ class ITensor; * NEGEMMLowpQuantizeDownInt32ToUint8Scale depends on 3 parameters: result_offset, result_mult_int, result_shift * The final result is: * - * ((input[i][k] + result_offset) * result_mult_int + rounding) >> result_shift + * ((input[i][k] + result_offset) * result_mult_int) >> result_shift * - * where rounding = (result_shift < 1) ? 0 : (1 << (result_shift - 1)) + * In case the bias tensor is provided, the final result is: + * + * ((input[i][k] + result_offset) * result_mult_int + bias[k]) >> result_shift * * This function calls the following NEON kernels: * * -# @ref NEGEMMLowpQuantizeDownInt32ToUint8ScaleKernel * + * @note The function accepts also 2 optional input arguments (min and max) which can be used to implement "rectified linear unit" activation functions + * before the result is shifted right by result_shift */ class NEGEMMLowpQuantizeDownInt32ToUint8Scale : public INESimpleFunction { @@ -58,12 +62,17 @@ public: /** Initialise the kernel's inputs, output * * @param[in] input Input tensor. It is the output of @ref NEGEMMLowpMatrixMultiplyCore function. Data type supported: S32 + * @param[in] bias Biases tensor. Only shared biases supported and it can be a nullptr if the addition of biases is not required. + * Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p input. * @param[out] output Output tensor. Data type supported: Data type supported: QASYMM8 * @param[in] result_offset Offset to be added to each element of the input matrix * @param[in] result_mult_int Value to be multiplied to each element of the input matrix when once the result_offset has been add * @param[in] result_shift Number of bits to shift right the result before converting back to QASYMM8 + * @param[in] min (Optional) Min value used to saturate down the output result before converting back to QASYMM8 + * @param[in] max (Optional) Max value used to saturate up the output result before converting back to QASYMM8, + * Along with @p min, this value can be used to implement "rectified linear unit" activation functions */ - void configure(const ITensor *input, ITensor *output, int result_offset, int result_mult_int, int result_shift); + void configure(const ITensor *input, const ITensor *bias, ITensor *output, int result_offset, int result_mult_int, int result_shift, int min = 0, int max = 0); }; } #endif /*__ARM_COMPUTE_NEGEMMLOWPOUTPUTSTAGE_H__ */
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