COMPMID-2063: New Winograd implementation
Refactoring of winograd code reducing the size of the binaries
about 8X.
Change-Id: If8845bda324573e1a5cf436f354ac8603e88a92e
Signed-off-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/959
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Anthony Barbier <Anthony.barbier@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/src/core/NEON/kernels/convolution/winograd/padding.cpp b/src/core/NEON/kernels/convolution/winograd/padding.cpp
new file mode 100644
index 0000000..46fe57c
--- /dev/null
+++ b/src/core/NEON/kernels/convolution/winograd/padding.cpp
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2019 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <cstring>
+#include <cstdint>
+
+#include "padding.hpp"
+
+namespace padding
+{
+
+template <typename T>
+void copy_and_pad_tile(
+ const unsigned int tile_rows,
+ const unsigned int tile_cols,
+ const unsigned int n_channels,
+ const T* const inptr,
+ const unsigned int in_row_stride,
+ const unsigned int in_col_stride,
+ T* const outptr,
+ const unsigned int out_row_stride,
+ const unsigned int out_col_stride,
+ const unsigned int pad_top,
+ const unsigned int pad_left,
+ const unsigned int pad_bottom,
+ const unsigned int pad_right,
+ const T pad_value
+)
+{
+ for (unsigned int out_i = 0; out_i < tile_rows; out_i++)
+ {
+ for (unsigned int out_j = 0; out_j < tile_cols; out_j++)
+ {
+ T* const output = outptr + out_i*out_row_stride + out_j*out_col_stride;
+
+ if (out_i < pad_top || tile_rows - pad_bottom <= out_i ||
+ out_j < pad_left || tile_cols - pad_right <= out_j)
+ {
+ for (unsigned int n = 0; n < n_channels; n++)
+ {
+ output[n] = pad_value;
+ }
+ }
+ else
+ {
+ const auto in_i = out_i - pad_top, in_j = out_j - pad_left;
+ const T* const input = inptr + in_i*in_row_stride + in_j*in_col_stride;
+ std::memcpy(output, input, n_channels * sizeof(T));
+ }
+ }
+ }
+}
+
+template void copy_and_pad_tile(
+ unsigned int, unsigned int, unsigned int,
+ const uint8_t *, unsigned int, unsigned int,
+ uint8_t *, unsigned int, unsigned int,
+ unsigned int, unsigned int, unsigned int, unsigned int, uint8_t
+);
+
+template void copy_and_pad_tile(
+ unsigned int, unsigned int, unsigned int,
+ const float *, unsigned int, unsigned int,
+ float *, unsigned int, unsigned int,
+ unsigned int, unsigned int, unsigned int, unsigned int, float
+);
+
+template <unsigned int TileRows, unsigned int TileCols>
+void CopyCropped<TileRows, TileCols>::execute(
+ const size_t size,
+ const void * const inptr,
+ const size_t in_row_stride,
+ const size_t in_col_stride,
+ void * const outptr,
+ const size_t out_row_stride,
+ const size_t out_col_stride,
+ const unsigned int pad_top,
+ const unsigned int pad_left,
+ const unsigned int pad_bottom,
+ const unsigned int pad_right
+)
+{
+ for (unsigned int out_i = 0, in_i = pad_top; in_i < TileRows - pad_bottom; out_i++, in_i++)
+ {
+ for (unsigned int out_j = 0, in_j = pad_left; in_j < TileCols - pad_right; out_j++, in_j++)
+ {
+ std::memcpy(
+ static_cast<uint8_t *>(outptr) + out_i*out_row_stride + out_j*out_col_stride,
+ static_cast<const uint8_t *>(inptr) + in_i*in_row_stride + in_j*in_col_stride,
+ size
+ );
+ }
+ }
+}
+
+template class CopyCropped<2, 2>;
+template class CopyCropped<3, 3>;
+template class CopyCropped<4, 4>;
+
+template <typename T>
+void crop_and_copy_tile(
+ unsigned int tile_rows,
+ unsigned int tile_cols,
+ unsigned int n_channels,
+ const T *inptr,
+ unsigned int in_row_stride,
+ unsigned int in_col_stride,
+ T *outptr,
+ unsigned int out_row_stride,
+ unsigned int out_col_stride,
+ unsigned int crop_top,
+ unsigned int crop_left,
+ unsigned int crop_bottom,
+ unsigned int crop_right
+)
+{
+ for (unsigned int out_i = 0, in_i = crop_top; in_i < tile_rows - crop_bottom; out_i++, in_i++)
+ {
+ for (unsigned int out_j = 0, in_j = crop_left; in_j < tile_cols - crop_right; out_j++, in_j++)
+ {
+ std::memcpy(
+ outptr + out_i*out_row_stride + out_j*out_col_stride,
+ inptr + in_i*in_row_stride + in_j*in_col_stride,
+ sizeof(T) * n_channels
+ );
+ }
+ }
+}
+
+template void crop_and_copy_tile(
+ unsigned int tile_rows,
+ unsigned int tile_cols,
+ unsigned int n_channels,
+ const float *inptr,
+ unsigned int in_row_stride,
+ unsigned int in_col_stride,
+ float *outptr,
+ unsigned int out_row_stride,
+ unsigned int out_col_stride,
+ unsigned int crop_top,
+ unsigned int crop_left,
+ unsigned int crop_bottom,
+ unsigned int crop_right
+);
+
+} // namespace padding