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Diffstat (limited to 'src/routines/levelx/xcol2im.cpp')
-rw-r--r-- | src/routines/levelx/xcol2im.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/routines/levelx/xcol2im.cpp b/src/routines/levelx/xcol2im.cpp new file mode 100644 index 00000000..7a0c36b7 --- /dev/null +++ b/src/routines/levelx/xcol2im.cpp @@ -0,0 +1,107 @@ + +// ================================================================================================= +// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This +// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max- +// width of 100 characters per line. +// +// Author(s): +// Cedric Nugteren <www.cedricnugteren.nl> +// +// This file implements the Xcol2im class (see the header for information about the class). +// +// ================================================================================================= + +#include "routines/levelx/xcol2im.hpp" + +#include <string> +#include <vector> + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template <typename T> +Xcol2im<T>::Xcol2im(Queue &queue, EventPointer event, const std::string &name): + Routine(queue, event, name, {"Copy"}, PrecisionValue<T>(), {}, { +#include "../../kernels/levelx/col2im.opencl" + }) { +} + +// ================================================================================================= + +// The main routine +template <typename T> +void Xcol2im<T>::DoCol2im(const size_t channels, const size_t height, const size_t width, + const size_t kernel_h, const size_t kernel_w, const size_t pad_h, + const size_t pad_w, const size_t stride_h, const size_t stride_w, + const size_t dilation_h, const size_t dilation_w, + const Buffer<T> &col_buffer, const size_t col_offset, + const Buffer<T> &im_buffer, const size_t im_offset) { + + // Makes sure all dimensions are larger than zero + if ((channels == 0) || (height == 0) || (width == 0)) { throw BLASError(StatusCode::kInvalidDimension); } + + // Sets the output height and width + const auto size_h = height + 2 * pad_h; + const auto padding_h = dilation_h * (kernel_h - 1) + 1; + const auto col_h = (size_h >= padding_h) ? (size_h - padding_h) / stride_h + 1 : 1; + const auto size_w = width + 2 * pad_w; + const auto padding_w = dilation_w * (kernel_w - 1) + 1; + const auto col_w = (size_w >= padding_w) ? (size_w - padding_w) / stride_w + 1 : 1; + + int stride_bez_h = 0; + int stride_bez_w = 0; + int dilation_bez_h = 0; + int dilation_bez_w = 0; + int gcd_h = 0; + int gcd_w = 0; + EuclidGCD(static_cast<int>(stride_h), static_cast<int>(dilation_h), stride_bez_h, dilation_bez_h, gcd_h); + EuclidGCD(static_cast<int>(stride_w), static_cast<int>(dilation_w), stride_bez_w, dilation_bez_w, gcd_w); + + // Retrieves the kernel from the compiled binary + auto kernel = Kernel(program_, "col2im"); + + // Sets the kernel arguments + kernel.SetArgument(0, static_cast<int>(height)); + kernel.SetArgument(1, static_cast<int>(width)); + kernel.SetArgument(2, static_cast<int>(channels)); + kernel.SetArgument(3, static_cast<int>(col_h)); + kernel.SetArgument(4, static_cast<int>(col_w)); + kernel.SetArgument(5, static_cast<int>(kernel_h)); + kernel.SetArgument(6, static_cast<int>(kernel_w)); + kernel.SetArgument(7, static_cast<int>(pad_h)); + kernel.SetArgument(8, static_cast<int>(pad_w)); + kernel.SetArgument(9, static_cast<int>(stride_h)); + kernel.SetArgument(10, static_cast<int>(stride_w)); + kernel.SetArgument(11, static_cast<int>(dilation_h)); + kernel.SetArgument(12, static_cast<int>(dilation_w)); + kernel.SetArgument(13, stride_bez_h); + kernel.SetArgument(14, stride_bez_w); + kernel.SetArgument(15, dilation_bez_h); + kernel.SetArgument(16, dilation_bez_w); + kernel.SetArgument(17, gcd_h); + kernel.SetArgument(18, gcd_w); + kernel.SetArgument(19, col_buffer()); + kernel.SetArgument(20, static_cast<int>(col_offset)); + kernel.SetArgument(21, im_buffer()); + kernel.SetArgument(22, static_cast<int>(im_offset)); + + // Launches the kernel + const auto w_ceiled = Ceil((width - 1) / gcd_w + 1, db_["COPY_DIMX"]); + const auto h_ceiled = Ceil((height - 1) / gcd_h + 1, db_["COPY_DIMY"]); + const auto global = std::vector<size_t>{w_ceiled, h_ceiled * channels}; + const auto local = std::vector<size_t>{db_["COPY_DIMX"], db_["COPY_DIMY"]}; + RunKernel(kernel, queue_, device_, global, local, event_); +} + +// ================================================================================================= + +// Compiles the templated class +template class Xcol2im<half>; +template class Xcol2im<float>; +template class Xcol2im<double>; +template class Xcol2im<float2>; +template class Xcol2im<double2>; + +// ================================================================================================= +} // namespace clblast |