From bf28a3cde6f77cbac3e3409d5597085ccbc71499 Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Tue, 18 Sep 2018 14:34:48 +0100 Subject: COMPMID-1564: Add QASYMM8 on CLPixelwiseMultiplication Change-Id: I5f719f5b2915c18cd0ca6271db401152112863a6 Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/148982 Tested-by: bsgcomp Reviewed-by: Isabella Gottardi Reviewed-by: Anthony Barbier Reviewed-by: Giuseppe Rossini --- src/core/CL/cl_kernels/pixelwise_mul_int.cl | 68 +++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) (limited to 'src/core/CL/cl_kernels/pixelwise_mul_int.cl') diff --git a/src/core/CL/cl_kernels/pixelwise_mul_int.cl b/src/core/CL/cl_kernels/pixelwise_mul_int.cl index c99a08a583..5b3acb7ae6 100644 --- a/src/core/CL/cl_kernels/pixelwise_mul_int.cl +++ b/src/core/CL/cl_kernels/pixelwise_mul_int.cl @@ -32,6 +32,7 @@ #define MUL_OP(x, y, scale, type, size) CONVERT_OP_INT((x) * (y) >> scale, type, size) +#if defined(DATA_TYPE_IN1) && defined(DATA_TYPE_IN2) && defined(DATA_TYPE_RES) && defined(DATA_TYPE_OUT) /** Performs a pixelwise multiplication with integer scale of integer inputs. * * @attention The inputs and output data types need to be passed at compile time using -DDATA_TYPE_IN1, -DDATA_TYPE_IN2 and -DDATA_TYPE_OUT: @@ -85,3 +86,70 @@ __kernel void pixelwise_mul_int( // Perform multiplication and store result vstore16(MUL_OP(in1_data, in2_data, scale, DATA_TYPE_OUT, 16), 0, (__global DATA_TYPE_OUT *)out.ptr); } +#endif /* defined(DATA_TYPE_IN1) && defined(DATA_TYPE_IN2) && defined(DATA_TYPE_RES) && defined(DATA_TYPE_OUT) */ + +#if defined(OFFSET_IN1) && defined(OFFSET_IN2) && defined(OFFSET_OUT) && defined(SCALE_IN1) && defined(SCALE_IN2) && defined(SCALE_OUT) +/** Performs a pixelwise multiplication with float scale of quantized inputs. + * + * @note The quantization offset of the first operand must be passed at compile time using -DOFFSET_IN1, e.g. -DOFFSET_IN1=10 + * @note The quantization offset of the second operand must be passed at compile time using -DOFFSET_IN2, e.g. -DOFFSET_IN2=10 + * @note The quantization offset of the output must be passed at compile time using -DOFFSET_OUT, e.g. -DOFFSET_OUT=10 + * @note The quantization scale of the first operand must be passed at compile time using -DSCALE_IN1, e.g. -DSCALE_IN1=10 + * @note The quantization scale of the second operand must be passed at compile time using -DSCALE_IN2, e.g. -DSCALE_IN2=10 + * @note The quantization scale of the output must be passed at compile time using -DSCALE_OUT, e.g. -DSCALE_OUT=10 + * @note To perform saturating operation -DSATURATE has to be passed to the compiler otherwise wrapping policy will be used. + * + * @param[in] in1_ptr Pointer to the source image. Supported data types: U8, S16, F16, F32 + * @param[in] in1_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] in1_step_x in1_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] in1_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] in1_step_y in1_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] in1_stride_z Stride of the source image in Y dimension (in bytes) + * @param[in] in1_step_z in1_stride_z * number of elements along Y processed per workitem(in bytes) + * @param[in] in1_offset_first_element_in_bytes The offset of the first element in the source image + * @param[in] in2_ptr Pointer to the source image. Supported data types: U8, S16, F16, F32 + * @param[in] in2_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] in2_step_x in2_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] in2_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] in2_step_y in2_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] in2_stride_z Stride of the source image in Y dimension (in bytes) + * @param[in] in2_step_z in2_stride_z * number of elements along Y processed per workitem(in bytes) + * @param[in] in2_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, S16, F16, F32 + * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] out_stride_z Stride of the destination image in Y dimension (in bytes) + * @param[in] out_step_z out_stride_z * number of elements along Y processed per workitem(in bytes) + * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image + * @param[in] scale Float scaling factor. Supported data types: F32 + */ +__kernel void pixelwise_mul_quantized( + TENSOR3D_DECLARATION(in1), + TENSOR3D_DECLARATION(in2), + TENSOR3D_DECLARATION(out), + const float scale) +{ + // Get pixels pointer + Tensor3D in1 = CONVERT_TO_TENSOR3D_STRUCT(in1); + Tensor3D in2 = CONVERT_TO_TENSOR3D_STRUCT(in2); + Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out); + + // Load data + int16 in_a = CONVERT(vload16(0, (__global uchar *)in1.ptr), int16); + int16 in_b = CONVERT(vload16(0, (__global uchar *)in2.ptr), int16); + + // Dequantize + in_a -= (int16)(int)OFFSET_IN1; + in_b -= (int16)(int)OFFSET_IN2; + const float16 in1f32 = convert_float16(in_a) * (float16)(float)SCALE_IN1; + const float16 in2f32 = convert_float16(in_b) * (float16)(float)SCALE_IN2; + + const float16 qresf32 = (in1f32 * in2f32 * scale) / ((float16)(float)SCALE_OUT) + ((float16)((float16)OFFSET_OUT)); + const uchar16 res = convert_uchar16_sat(convert_int16_rte(qresf32)); + + // Store result + vstore16(res, 0, (__global uchar *)out.ptr); +} +#endif /* defined(OFFSET_IN1) && defined(OFFSET_IN2) && defined(OFFSET_OUT) && defined(SCALE_IN1) && defined(SCALE_IN2) && defined(SCALE_OUT) */ \ No newline at end of file -- cgit v1.2.1