diff options
Diffstat (limited to 'src/core/CL/cl_kernels/quantization_layer.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/quantization_layer.cl | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/src/core/CL/cl_kernels/quantization_layer.cl b/src/core/CL/cl_kernels/quantization_layer.cl index 41d9957150..cfb2bb65f7 100644 --- a/src/core/CL/cl_kernels/quantization_layer.cl +++ b/src/core/CL/cl_kernels/quantization_layer.cl @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2019 ARM Limited. + * Copyright (c) 2017-2020 ARM Limited. * * SPDX-License-Identifier: MIT * @@ -29,7 +29,7 @@ #if defined(VEC_SIZE) && defined(DATA_TYPE_IN) && defined(DATA_TYPE_OUT) && defined(SCALE) && defined(OFFSET) && defined(MIN_QUANT_VAL) && defined(MAX_QUANT_VAL) -/** This performs the quantization of floating point inputs to 8-bit unsigned integers. +/** This performs the quantization of floating point inputs or 8-bit quantized integers to 8-bit integers. * * @note Input data type should be given as a preprocessor argument using -DDATA_TYPE_IN=type. e.g. -DDATA_TYPE=short * @note Output data type should be given as a preprocessor argument using -DDATA_TYPE_OUT=type. e.g. -DDATA_TYPE=short @@ -38,8 +38,9 @@ * @note Quantization offset should be given as a preprocessor argument using -DOFFSET=offset. e.g. -DOFFSET=125 * @note Minimum value for quantized type should be given as a preprocessor argument using -DMIN_QUANT_VAL=value. e.g. -DMIN_QUANT_VAL=0 * @note Maximum value for quantized type should be given as a preprocessor argument using -DMAX_QUANT_VAL=value. e.g. -DMAXIN_QUANT_VAL=255 + * @note If the input data type if a floating point (F16 or F32) the preprocessor argument should be give as -DIS_FLOAT * - * @param[in] input_ptr Pointer to the source tensor. Supported data types: F32 + * @param[in] input_ptr Pointer to the source tensor. Supported data types: QASYMM8/QASYMM8_SIGNED/F16/F32 * @param[in] input_stride_x Stride of the source tensor in X dimension (in bytes) * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] input_stride_y Stride of the source tensor in Y dimension (in bytes) @@ -47,7 +48,7 @@ * @param[in] input_stride_z Stride of the source tensor in Z dimension (in bytes) * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source tensor - * @param[out] output_ptr Pointer to the destination tensor. Supported data types: U8 + * @param[out] output_ptr Pointer to the destination tensor. Supported data types: QASYMM8/QASYMM8_SIGNED * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes) * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes) * @param[in] output_stride_y Stride of the destination tensor in Y dimension (in bytes) @@ -72,16 +73,30 @@ __kernel void quantization_layer( output.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * output_stride_x; // Load data +#if defined(IS_FLOAT) + // Load data VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE) - val = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE_IN *)input.ptr); + val_float = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE_IN *)input.ptr); // Create scale and offset vectors const VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE) vscale = SCALE; - const VEC_DATA_TYPE(int, VEC_SIZE) voffset = OFFSET; + const VEC_DATA_TYPE(int, VEC_SIZE) voffset = OFFSET; +#else // defined(IS_FLOAT) + // Load data + VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE) + val = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE_IN *)input.ptr); + + const VEC_DATA_TYPE(float, VEC_SIZE) + val_float = CONVERT(val, VEC_DATA_TYPE(float, VEC_SIZE)); + + // Create scale and offset vectors + const VEC_DATA_TYPE(float, VEC_SIZE) vscale = SCALE; + const VEC_DATA_TYPE(int, VEC_SIZE) voffset = OFFSET; +#endif // defined(IS_FLOAT) // Quantize VEC_DATA_TYPE(int, VEC_SIZE) - res = CLAMP(CONVERT_RTE_VEC(val / vscale, int, VEC_SIZE) + voffset, MIN_QUANT_VAL, MAX_QUANT_VAL); + res = CLAMP(CONVERT_RTE_VEC(val_float / vscale, int, VEC_SIZE) + voffset, MIN_QUANT_VAL, MAX_QUANT_VAL); // Store result VSTORE(VEC_SIZE) @@ -90,4 +105,4 @@ __kernel void quantization_layer( *((__global DATA_TYPE_OUT *)(output.ptr)) = (DATA_TYPE_OUT)CLAMP(CONVERT_RTE(((float) * (__global DATA_TYPE_IN *)input.ptr) / ((float)SCALE), int) + (int)OFFSET, MIN_QUANT_VAL, MAX_QUANT_VAL); #endif // defined(VEC_SIZE) && defined(LAST_ACCESSED_X) } -#endif //defined(VEC_SIZE) && defined(DATA_TYPE_IN) && defined(DATA_TYPE_OUT) && defined(SCALE) && defined(OFFSET) && defined(MIN_QUANT_VAL) && defined(MAX_QUANT_VAL) +#endif // defined(VEC_SIZE) && defined(DATA_TYPE_IN) && defined(DATA_TYPE_OUT) && defined(SCALE) && defined(OFFSET) && defined(MIN_QUANT_VAL) && defined(MAX_QUANT_VAL) |