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authorGian Marco Iodice <gianmarco.iodice@arm.com>2018-12-12 10:18:04 +0000
committerGian Marco Iodice <gianmarco.iodice@arm.com>2018-12-14 14:57:48 +0000
commitbf9731edfa0439cad4d70efc3065e71e199c62b8 (patch)
tree71340a3d04a6294744c642ed6e4a56c0e8a77592 /src/core/CL/cl_kernels/im2col.cl
parent92e278d5f462c930af1947883a5f48c10586ae9c (diff)
downloadComputeLibrary-bf9731edfa0439cad4d70efc3065e71e199c62b8.tar.gz
COMPMID-1687: Optimize CLGEMMMatrixMultiplyKernel for Mali-G76 - Part1
The current implementation is limited just to FP32 Change-Id: I185ab57e483e879d7c301e9cc3033efc8b41e244 Reviewed-on: https://review.mlplatform.org/389 Reviewed-by: Anthony Barbier <Anthony.barbier@arm.com> Tested-by: Arm Jenkins <bsgcomp@arm.com> Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Diffstat (limited to 'src/core/CL/cl_kernels/im2col.cl')
-rw-r--r--src/core/CL/cl_kernels/im2col.cl171
1 files changed, 171 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/im2col.cl b/src/core/CL/cl_kernels/im2col.cl
index 186d5a80ad..2bf59e4a99 100644
--- a/src/core/CL/cl_kernels/im2col.cl
+++ b/src/core/CL/cl_kernels/im2col.cl
@@ -1029,6 +1029,177 @@ __kernel void im2col3x3_nhwc(
#endif // HAS_BIAS
}
+#if PAD_TOP != 0 || PAD_LEFT != 0 || PAD_BOTTOM != 0 || PAD_RIGHT != 0
+#define IM2COL1x9(i) \
+ ({ \
+ yi_coord = yi - (int)PAD_TOP + i * DILATION_Y; \
+ yi_coord = min((uint)yi_coord, (uint)(SRC_HEIGHT - 1)); \
+ \
+ offset0 = xi_offset0 + (yi_coord * (int)src_stride_z); \
+ offset1 = xi_offset1 + (yi_coord * (int)src_stride_z); \
+ \
+ VECTOR_N values0 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s0)); \
+ VECTOR_N values1 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s1)); \
+ VECTOR_N values2 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s2)); \
+ VECTOR_N values3 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s3)); \
+ VECTOR_N values4 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s4)); \
+ VECTOR_N values5 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s5)); \
+ VECTOR_N values6 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s6)); \
+ VECTOR_N values7 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s7)); \
+ VECTOR_N values8 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset1)); \
+ \
+ int y_cond = (int)((uint)(yi - (int)PAD_TOP + i * DILATION_Y) >= (uint)(SRC_HEIGHT)); \
+ values0 = select(values0, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s0)); \
+ values1 = select(values1, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s1)); \
+ values2 = select(values2, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s2)); \
+ values3 = select(values3, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s3)); \
+ values4 = select(values4, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s4)); \
+ values5 = select(values5, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s5)); \
+ values6 = select(values6, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s6)); \
+ values7 = select(values7, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond0.s7)); \
+ values8 = select(values8, (VECTOR_N)PAD_VALUE, (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))y_cond || (VEC_DATA_TYPE(COND_DATA_TYPE, VECTOR_SIZE))(x_cond1)); \
+ \
+ VSTORE(VECTOR_SIZE) \
+ (values0, 0, (__global DATA_TYPE *)(output_ptr) + (0 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values1, 0, (__global DATA_TYPE *)(output_ptr) + (1 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values2, 0, (__global DATA_TYPE *)(output_ptr) + (2 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values3, 0, (__global DATA_TYPE *)(output_ptr) + (3 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values4, 0, (__global DATA_TYPE *)(output_ptr) + (4 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values5, 0, (__global DATA_TYPE *)(output_ptr) + (5 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values6, 0, (__global DATA_TYPE *)(output_ptr) + (6 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values7, 0, (__global DATA_TYPE *)(output_ptr) + (7 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values8, 0, (__global DATA_TYPE *)(output_ptr) + (8 + i * 9) * SRC_DEPTH); \
+ })
+#else // PAD_TOP != 0 || PAD_LEFT != 0 || PAD_BOTTOM != 0 || PAD_RIGHT != 0
+#define IM2COL1x9(i) \
+ ({ \
+ yi_coord = yi - (int)PAD_TOP + i * DILATION_Y; \
+ yi_coord = min((uint)yi_coord, (uint)(SRC_HEIGHT - 1)); \
+ \
+ offset0 = xi_offset0 + (yi_coord * (int)src_stride_z); \
+ offset1 = xi_offset1 + (yi_coord * (int)src_stride_z); \
+ \
+ VECTOR_N values0 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s0)); \
+ VECTOR_N values1 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s1)); \
+ VECTOR_N values2 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s2)); \
+ VECTOR_N values3 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s3)); \
+ VECTOR_N values4 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s4)); \
+ VECTOR_N values5 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s5)); \
+ VECTOR_N values6 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s6)); \
+ VECTOR_N values7 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset0.s7)); \
+ VECTOR_N values8 = VLOAD(VECTOR_SIZE)(0, (__global DATA_TYPE *)(input_ptr + offset1)); \
+ \
+ VSTORE(VECTOR_SIZE) \
+ (values0, 0, (__global DATA_TYPE *)(output_ptr) + (0 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values1, 0, (__global DATA_TYPE *)(output_ptr) + (1 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values2, 0, (__global DATA_TYPE *)(output_ptr) + (2 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values3, 0, (__global DATA_TYPE *)(output_ptr) + (3 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values4, 0, (__global DATA_TYPE *)(output_ptr) + (4 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values5, 0, (__global DATA_TYPE *)(output_ptr) + (5 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values6, 0, (__global DATA_TYPE *)(output_ptr) + (6 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values7, 0, (__global DATA_TYPE *)(output_ptr) + (7 + i * 9) * SRC_DEPTH); \
+ VSTORE(VECTOR_SIZE) \
+ (values8, 0, (__global DATA_TYPE *)(output_ptr) + (8 + i * 9) * SRC_DEPTH); \
+ })
+#endif // PAD_TOP != 0 || PAD_LEFT != 0 || PAD_BOTTOM != 0 || PAD_RIGHT != 0
+
+/** This kernel performs im2col when the kernel size is 9x9 and the data layout is NHWC
+ *
+ * @note This kernel computes VECTOR_SIZE elements
+ * @note The data type must be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=float
+ * @note The width of output tensor after matrix multiplication must be passed at compile time using -DCONVOLVED_WIDTH: e.g. -DCONVOLVED_WIDTH=34
+ * @note The kernel depth must be passed at compile time using -DSRC_DEPTH: e.g. -DSRC_DEPTH=3
+ * @note The stride along the Y direction must be passed at compile time using -DSTRIDE_Y: e.g. -DSTRIDE_Y=1
+ * @note In case biases will be added to the convolution -DHAS_BIAS has to be passed to append the final matrix with 1 in each row.
+ *
+ * @param[in] src_ptr Pointer to the source tensor. Supported data types: QASYMM8/F16/F32
+ * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes)
+ * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes)
+ * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes)
+ * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes)
+ * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor
+ * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr
+ * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes)
+ * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes)
+ * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes)
+ * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes)
+ * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor
+ * @param[in] src_stride_w Stride of the source tensor in W dimension (in bytes).
+ * @param[in] dst_stride_w Stride of the destination tensor in W dimension (in bytes).
+ */
+__kernel void im2col9x9_nhwc(
+ TENSOR3D_DECLARATION(src),
+ IMAGE_DECLARATION(dst),
+ uint src_stride_w,
+ uint dst_stride_w)
+{
+ const int ch = min((int)(get_global_id(0) * VECTOR_SIZE), LAST_ACCESSED); // input feature map
+ const int yo = get_global_id(1);
+ const int batch = get_global_id(2); // batch size
+
+ // Calculate input indices
+ const int xi = (get_global_id(1) % CONVOLVED_WIDTH) * STRIDE_X;
+ const int yi = (get_global_id(1) / (int)CONVOLVED_WIDTH) * STRIDE_Y;
+
+ // Get input and output address
+ __global uchar *input_ptr = src_ptr + src_offset_first_element_in_bytes + ch * sizeof(DATA_TYPE) + batch * (int)src_stride_w;
+ __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + ch * sizeof(DATA_TYPE) + yo * (int)dst_stride_y + batch * (int)dst_stride_w;
+
+ int yi_coord = 0;
+ int8 offset0 = 0;
+ int offset1 = 0;
+
+ // Clamp xi
+ int8 xi_offset0 = ((int8)xi + (int8)(0, 1, 2, 3, 4, 5, 6, 7) * DILATION_X - (int8)PAD_LEFT);
+ int xi_offset1 = ((int)xi + (int)(8) * DILATION_X - (int)PAD_LEFT);
+
+#if PAD_TOP != 0 || PAD_BOTTOM != 0
+#define CLAMP(x, min_val, max_val) min(max(x, min_val), max_val)
+ xi_offset0 = CLAMP(xi_offset0, (int8)0, (int8)(SRC_WIDTH - 1));
+ xi_offset1 = CLAMP(xi_offset1, (int)0, (int)(SRC_WIDTH - 1));
+#endif // PAD_TOP != 0 || PAD_BOTTOM != 0
+ xi_offset0 *= (int8)src_stride_y;
+ xi_offset1 *= (int)src_stride_y;
+
+ // Out-of-bound condition for X
+ int8 x_cond0 = (((int8)xi + (int8)(0, 1, 2, 3, 4, 5, 6, 7) * DILATION_X - (int8)PAD_LEFT) < (int8)0) || (((int8)xi + (int8)(0, 1, 2, 3, 4, 5, 6, 7) * DILATION_X - (int8)PAD_LEFT) >= (int8)SRC_WIDTH);
+ int x_cond1 = (((int)xi + (int)(8) * DILATION_X - (int)PAD_LEFT) < (int)0) || (((int)xi + (int)(8) * DILATION_X - (int)PAD_LEFT) >= (int)SRC_WIDTH);
+
+ IM2COL1x9(0);
+ IM2COL1x9(1);
+ IM2COL1x9(2);
+ IM2COL1x9(3);
+ IM2COL1x9(4);
+ IM2COL1x9(5);
+ IM2COL1x9(6);
+ IM2COL1x9(7);
+ IM2COL1x9(8);
+
+#ifdef HAS_BIAS
+ if((ch + VECTOR_SIZE) >= SRC_DEPTH)
+ {
+ *((__global DATA_TYPE *)(output_ptr) - ch + SRC_DEPTH * 81) = 1.0f;
+ }
+#endif // HAS_BIAS
+}
+
/** This opencl kernel performs a generic im2col implementation when the data layout is NHWC
*
* @note The data type must be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=float
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