COMPMID-631: Merge branches/gles_compute branch

Last commit:
commit b25c5f68042b0c81bf611d59a1bb8535e1c42497
Author: Xinghang Zhou <xinghang.zhou@arm.com>
Date:   Wed Oct 25 18:48:10 2017 +0800

    Synced validation's tolerances of GCSoftmax from cl side

Change-Id: Ibe72054205c1c8721845d679a31af7ed0a7c5cf6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/93283
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

1 files changed, 230 insertions, 0 deletions

diff --git a/src/core/GLES_COMPUTE/kernels/GCIm2ColKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCIm2ColKernel.cpp
new file mode 100644
index 0000000000..935d8420ff
--- /dev/null
+++ b/src/core/GLES_COMPUTE/kernels/GCIm2ColKernel.cpp
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2017 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 "arm_compute/core/GLES_COMPUTE/kernels/GCIm2ColKernel.h"
+
+#include "arm_compute/core/AccessWindowStatic.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/GLES_COMPUTE/GCHelpers.h"
+#include "arm_compute/core/GLES_COMPUTE/GCKernelLibrary.h"
+#include "arm_compute/core/GLES_COMPUTE/IGCTensor.h"
+#include "arm_compute/core/GLES_COMPUTE/OpenGLES.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Validate.h"
+#include "support/ToolchainSupport.h"
+
+#include <cmath>
+#include <tuple>
+
+using namespace arm_compute;
+
+GCIm2ColKernel::GCIm2ColKernel()
+    : _input(nullptr), _output(nullptr), _convolved_dims(), _num_elems_processed_per_iteration(1), _run_func(nullptr)
+{
+}
+
+void GCIm2ColKernel::configure(const IGCTensor *input, IGCTensor *output, std::pair<unsigned int, unsigned int> kernel_dims, const PadStrideInfo &conv_info, bool has_bias)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
+    ARM_COMPUTE_UNUSED(kernel_dims);
+
+    _input  = input;
+    _output = output;
+    _kernel.clear_params();
+
+    std::set<std::string> build_opts;
+    std::string           dt_name = (input->info()->data_type() == DataType::F32) ? "DATA_TYPE_FP32" : "DATA_TYPE_FP16";
+    build_opts.emplace("#define LOCAL_SIZE_X " + support::cpp11::to_string(1));
+    build_opts.emplace("#define LOCAL_SIZE_Y " + support::cpp11::to_string(1));
+    build_opts.emplace("#define LOCAL_SIZE_Z " + support::cpp11::to_string(1));
+    build_opts.insert("#define " + dt_name);
+
+    if(has_bias)
+    {
+        build_opts.emplace("#define HAS_BIAS");
+    }
+
+    int pad_x    = 0;
+    int pad_y    = 0;
+    int stride_x = 0;
+    int stride_y = 0;
+    std::tie(pad_x, pad_y)       = conv_info.pad();
+    std::tie(stride_x, stride_y) = conv_info.stride();
+
+    const bool run_img2col_reduced = (output->info()->dimension(0) == (input->info()->dimension(0) * input->info()->dimension(1) * input->info()->dimension(2))) && (TensorShape::num_max_dimensions >= 4)
+                                     && (std::equal(input->info()->tensor_shape().cbegin() + 3,
+                                                    input->info()->tensor_shape().cend(),
+                                                    output->info()->tensor_shape().cbegin() + 1))
+                                     && ((stride_x == 1) && (stride_y == 1) && (pad_x == 0) && (pad_y == 0));
+
+    if(!run_img2col_reduced)
+    {
+        // this path is currently not used and not validated
+        build_opts.insert("#define IM2COL_GENERIC");
+        _convolved_dims = scaled_dimensions(input->info()->dimension(0), input->info()->dimension(1),
+                                            kernel_dims.first, kernel_dims.second,
+                                            conv_info);
+        _num_elems_processed_per_iteration = output->info()->dimension(0);
+
+        build_opts.emplace("#define KERNEL_WIDTH " + support::cpp11::to_string(kernel_dims.first));
+        build_opts.emplace("#define KERNEL_HEIGHT " + support::cpp11::to_string(kernel_dims.second));
+        build_opts.emplace("#define KERNEL_DEPTH " + support::cpp11::to_string(input->info()->dimension(2)));
+        build_opts.emplace("#define CONVOLVED_WIDTH " + support::cpp11::to_string(_convolved_dims.first));
+        build_opts.emplace("#define CONVOLVED_HEIGHT " + support::cpp11::to_string(_convolved_dims.second));
+        build_opts.emplace("#define STRIDE_X " + support::cpp11::to_string(conv_info.stride().first));
+        build_opts.emplace("#define STRIDE_Y " + support::cpp11::to_string(conv_info.stride().second));
+        build_opts.emplace("#define PAD_X " + support::cpp11::to_string(conv_info.pad().first));
+        build_opts.emplace("#define PAD_Y " + support::cpp11::to_string(conv_info.pad().second));
+        build_opts.emplace("#define SRC_WIDTH " + support::cpp11::to_string(input->info()->dimension(0)));
+        build_opts.emplace("#define SRC_HEIGHT " + support::cpp11::to_string(input->info()->dimension(1)));
+
+        // Create kernel
+        _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("im2col_generic", build_opts));
+
+        _run_func = &GCIm2ColKernel::run_generic;
+    }
+    else
+    {
+        build_opts.insert("#define IM2COL_REDUCED");
+        _num_elems_processed_per_iteration = 4 / input->info()->element_size();
+
+        // Create kernel
+        _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("im2col_reduced", build_opts));
+
+        _run_func = &GCIm2ColKernel::run_reduced;
+    }
+
+    // Configure kernel window
+    Window win = calculate_max_window(*input->info(), Steps(_num_elems_processed_per_iteration));
+
+    if(input->info()->data_type() == DataType::F16)
+    {
+        // Calculate input right and bottom border
+        AccessWindowHorizontal input_access(input->info(), 0, _num_elems_processed_per_iteration);
+
+        // Calculate output right and bottom border
+        const int          output_width         = output->info()->dimension(0);
+        const int          output_height        = output->info()->dimension(1);
+        const int          output_padding_right = ceil_to_multiple(output_width, _num_elems_processed_per_iteration) - output_width;
+        AccessWindowStatic output_access(output->info(), 0, 0, output_width + output_padding_right, output_height);
+
+        update_window_and_padding(win, input_access, output_access);
+    }
+
+    output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape()));
+
+    if(!run_img2col_reduced)
+    {
+        // set the Z dimension's step same size as the whole dimension so that one can't split across the Z dimension
+        win.set_dimension_step(Window::DimZ, win[Window::DimZ].end() - win[Window::DimZ].start());
+    }
+
+    // set shader params binding point
+    _kernel.set_shader_params_binding_point(0);
+    IGCKernel::configure(win);
+}
+
+void GCIm2ColKernel::run(const Window &window)
+{
+    ARM_COMPUTE_ERROR_ON(_run_func == nullptr);
+    (this->*_run_func)(window);
+}
+
+void GCIm2ColKernel::run_generic(const Window &window)
+{
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(IGCKernel::window(), window);
+
+    // Get initial windows
+    Window window_collapsed = window.collapse_if_possible(IGCKernel::window(), Window::DimZ);
+    // Change the Z dimension's step back to 1
+    window_collapsed.set_dimension_step(Window::DimZ, 1);
+
+    Window slice     = window_collapsed.first_slice_window_3D();
+    Window slice_in  = window_collapsed.first_slice_window_3D();
+    Window slice_out = window_collapsed.first_slice_window_3D();
+
+    // Setup slice
+    slice.set(Window::DimX, Window::Dimension(0, static_cast<int>(_convolved_dims.first), 1));
+    slice.set(Window::DimY, Window::Dimension(0, static_cast<int>(_convolved_dims.second), 1));
+
+    // Setup input slice
+    // The first three dimensions of the input are increased by the inner loops
+    slice_in.set(Window::DimX, Window::Dimension(0, 0, 0));
+    slice_in.set(Window::DimY, Window::Dimension(0, 0, 0));
+    slice_in.set(Window::DimZ, Window::Dimension(0, 0, 0));
+
+    // Setup output slice
+    slice_out.set(Window::DimX, Window::Dimension(0, _output->info()->dimension(0), _num_elems_processed_per_iteration));
+    slice_out.set(Window::DimY, Window::Dimension(0, _output->info()->dimension(1), 1));
+    slice_out.set(Window::DimZ, Window::Dimension(0, 1, 1));
+
+    _kernel.use();
+
+    do
+    {
+        unsigned int idx = 0;
+        add_3D_tensor_argument(idx, _input, 1, slice_in);
+        add_2D_tensor_argument(idx, _output, 2, slice_out);
+
+        _kernel.set_params(idx++, static_cast<unsigned int>(_input->info()->dimension(2)));
+        _kernel.set_params(idx++, static_cast<unsigned int>(_input->info()->strides_in_bytes()[3]));
+        _kernel.set_params(idx++, static_cast<unsigned int>(_output->info()->strides_in_bytes()[3]));
+        _kernel.update_shader_params();
+
+        enqueue(*this, slice);
+    }
+    while(window_collapsed.slide_window_slice_3D(slice) && window_collapsed.slide_window_slice_3D(slice_out) && window_collapsed.slide_window_slice_3D(slice_in));
+}
+
+void GCIm2ColKernel::run_reduced(const Window &window)
+{
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(IGCKernel::window(), window);
+
+    Window out_window;
+    out_window.use_tensor_dimensions(_output->info()->tensor_shape());
+
+    Window out_slice = out_window.first_slice_window_1D();
+    Window in_slice  = window.first_slice_window_3D();
+
+    _kernel.use();
+
+    // Run kernel
+    do
+    {
+        // Set arguments
+        unsigned int idx = 0;
+
+        add_3D_tensor_argument(idx, _input, 1, in_slice);
+        add_1D_tensor_argument(idx, _output, 2, out_slice);
+        _kernel.set_params(idx++, _input->info()->dimension(0));
+        _kernel.set_params(idx++, _input->info()->dimension(1));
+        _kernel.update_shader_params();
+
+        enqueue(*this, in_slice);
+    }
+    while(window.slide_window_slice_3D(in_slice) && out_window.slide_window_slice_1D(out_slice));
+}