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| author | Gian Marco Iodice <gianmarco.iodice@arm.com> | 2017-06-20 09:07:21 +0100 |
|---|---|---|
| committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 14:14:20 +0100 |
| commit | b30dcc5ab8eb2bd37f0ab742af1ec45113d54296 (patch) | |
| tree | dfaac2b07af3ffb838d3ed559bacf8f37da3b592 /src/core/CL/cl_kernels/activation_layer.cl | |
| parent | 9ea47f6967ce1c9e4a8bf4174613efdec78a5f44 (diff) | |
| download | ComputeLibrary-b30dcc5ab8eb2bd37f0ab742af1ec45113d54296.tar.gz | |
COMPMID-345 - In-place computation for Activation Layer
Change-Id: I25ebfccc3d3e758cc8164e0b33805c0bb303891a
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78226
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Diffstat (limited to 'src/core/CL/cl_kernels/activation_layer.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/activation_layer.cl | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/core/CL/cl_kernels/activation_layer.cl b/src/core/CL/cl_kernels/activation_layer.cl index e3cbb6c801..136191aa22 100644 --- a/src/core/CL/cl_kernels/activation_layer.cl +++ b/src/core/CL/cl_kernels/activation_layer.cl @@ -25,6 +25,8 @@ /** This performs an activation function floating point inputs. * + * @note In order to perform the activation function "in-place", the pre-processor -DIN_PLACE must be passed at compile time + * * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short * @note Activation function should be given as a preprocessor argument using -DNAME. e.g. -DTANH * @note Distinction between floating point and integer is done using -DTYPE_FP and -DTYPE_INT preprocessor argument @@ -48,12 +50,20 @@ * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination image */ __kernel void activation_layer( - TENSOR3D_DECLARATION(input), - TENSOR3D_DECLARATION(output)) + TENSOR3D_DECLARATION(input) +#if !defined IN_PLACE + , + TENSOR3D_DECLARATION(output) +#endif +) { // Get pixels pointer - Tensor3D input = CONVERT_TO_TENSOR3D_STRUCT(input); + Tensor3D input = CONVERT_TO_TENSOR3D_STRUCT(input); +#if defined IN_PLACE + Tensor3D output = input; +#else Tensor3D output = CONVERT_TO_TENSOR3D_STRUCT(output); +#endif // Load data VEC_DATA_TYPE(DATA_TYPE, 16) @@ -63,7 +73,7 @@ __kernel void activation_layer( #if defined LOGISTIC data = 1 / (1 + exp(-data)); #elif defined TANH - data = (VEC_DATA_TYPE(DATA_TYPE, 16))A * tanh((VEC_DATA_TYPE(DATA_TYPE, 16))B * data); + data = (VEC_DATA_TYPE(DATA_TYPE, 16))A * tanh((VEC_DATA_TYPE(DATA_TYPE, 16))B * data); #elif defined RELU data = max(0, data); #elif defined BRELU |