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-rw-r--r--tests/validation/reference/Im2Col.cpp74
-rw-r--r--tests/validation/reference/Im2Col.h2
-rw-r--r--tests/validation/reference/Utils.h6
3 files changed, 66 insertions, 16 deletions
diff --git a/tests/validation/reference/Im2Col.cpp b/tests/validation/reference/Im2Col.cpp
index d309b7d5e6..5685b60026 100644
--- a/tests/validation/reference/Im2Col.cpp
+++ b/tests/validation/reference/Im2Col.cpp
@@ -40,6 +40,7 @@ namespace reference
template <typename T>
void im2col_nchw(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
{
+ ARM_COMPUTE_ERROR_ON(src.data_layout() != DataLayout::NCHW);
// Create reference
const int pad_x = conv_info.pad().first;
const int pad_y = conv_info.pad().second;
@@ -81,26 +82,73 @@ void im2col_nchw(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D
}
template <typename T>
-SimpleTensor<T> im2col(const SimpleTensor<T> &src, const TensorShape &dst_shape, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
+void im2col_nhwc(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
{
- SimpleTensor<T> dst{ dst_shape, src.data_type(), 1, src.fixed_point_position(), src.quantization_info() };
-
- if(src.data_layout() == DataLayout::NHWC)
+ ARM_COMPUTE_ERROR_ON(src.data_layout() != DataLayout::NHWC);
+ const int pad_x = conv_info.pad().first;
+ const int pad_y = conv_info.pad().second;
+ const int stride_x = conv_info.stride().first;
+ const int stride_y = conv_info.stride().second;
+ const int kernel_width = kernel_dims.width;
+ const int kernel_height = kernel_dims.height;
+ const int src_width = src.shape().y();
+ const int src_height = src.shape().z();
+ const int src_depth = src.shape().x();
+ const int batches = src.shape().total_size_upper(3);
+ const int pad_val = is_data_type_quantized_asymmetric(src.data_type()) ? src.quantization_info().offset : 0;
+ int dst_idx = 0;
+ for(int b = 0; b < batches; ++b)
{
- SimpleTensor<T> src_nchw = reference::permute<T>(src, PermutationVector(1U, 2U, 0U));
- im2col_nchw(src_nchw, dst, kernel_dims, conv_info, has_bias);
+ for(int y = -pad_y; y <= (src_height + pad_y - kernel_height); y += stride_y)
+ {
+ for(int x = -pad_x; x <= (src_width + pad_x - kernel_width); x += stride_x)
+ {
+ for(int z = 0; z < src_depth; ++z)
+ {
+ for(int patch_y = y; patch_y < (y + kernel_height); ++patch_y)
+ {
+ for(int patch_x = x; patch_x < (x + kernel_width); ++patch_x)
+ {
+ dst[dst_idx++] = tensor_elem_at(src, Coordinates(z, patch_x, patch_y, b), BorderMode::CONSTANT, static_cast<T>(pad_val));
+ }
+ }
+ }
+
+ if(has_bias)
+ {
+ dst[dst_idx++] = static_cast<T>(1);
+ }
+ }
+ }
}
- else
+}
+
+template <typename T>
+void im2col(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
+{
+ switch(src.data_layout())
{
- im2col_nchw(src, dst, kernel_dims, conv_info, has_bias);
+ case DataLayout::NCHW:
+ {
+ im2col_nchw(src, dst, kernel_dims, conv_info, has_bias);
+ break;
+ }
+ case DataLayout::NHWC:
+ {
+ im2col_nhwc(src, dst, kernel_dims, conv_info, has_bias);
+ break;
+ }
+ default:
+ {
+ ARM_COMPUTE_ERROR("Not supported.");
+ break;
+ }
}
-
- return dst;
}
-template SimpleTensor<uint8_t> im2col(const SimpleTensor<uint8_t> &src, const TensorShape &output_shape, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
-template SimpleTensor<half> im2col(const SimpleTensor<half> &src, const TensorShape &output_shape, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
-template SimpleTensor<float> im2col(const SimpleTensor<float> &src, const TensorShape &output_shape, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
+template void im2col(const SimpleTensor<uint8_t> &src, SimpleTensor<uint8_t> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
+template void im2col(const SimpleTensor<half> &src, SimpleTensor<half> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
+template void im2col(const SimpleTensor<float> &src, SimpleTensor<float> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
} // namespace reference
} // namespace validation
} // namespace test
diff --git a/tests/validation/reference/Im2Col.h b/tests/validation/reference/Im2Col.h
index 4fe6ea9acf..5277171a2f 100644
--- a/tests/validation/reference/Im2Col.h
+++ b/tests/validation/reference/Im2Col.h
@@ -35,7 +35,7 @@ namespace validation
namespace reference
{
template <typename T>
-SimpleTensor<T> im2col(const SimpleTensor<T> &src, const TensorShape &dst_shape, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
+void im2col(const SimpleTensor<T> &src, SimpleTensor<T> &dst, const Size2D &kernel_dims, const PadStrideInfo &conv_info, bool has_bias);
} // namespace reference
} // namespace validation
} // namespace test
diff --git a/tests/validation/reference/Utils.h b/tests/validation/reference/Utils.h
index 2aa77c6ff7..0e98bbe82b 100644
--- a/tests/validation/reference/Utils.h
+++ b/tests/validation/reference/Utils.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
@@ -62,11 +62,13 @@ T tensor_elem_at(const SimpleTensor<T> &src, Coordinates coord, BorderMode borde
{
const int x = coord.x();
const int y = coord.y();
+ const int z = coord.z();
const int width = src.shape().x();
const int height = src.shape().y();
+ const int depth = src.shape().z();
// If coordinates beyond range of tensor's width or height
- if(x < 0 || y < 0 || x >= width || y >= height)
+ if(x < 0 || y < 0 || z < 0 || x >= width || y >= height || z >= depth)
{
if(border_mode == BorderMode::REPLICATE)
{
generated by cgit v1.2.1 (git 2.23.0) at 2024-07-07 01:19:05 +0000