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, 124 insertions, 0 deletions

diff --git a/src/core/GLES_COMPUTE/kernels/GCNormalizationLayerKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCNormalizationLayerKernel.cpp
new file mode 100644
index 0000000000..65e54f538c
--- /dev/null
+++ b/src/core/GLES_COMPUTE/kernels/GCNormalizationLayerKernel.cpp
@@ -0,0 +1,124 @@
+/*
+ * 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/GCNormalizationLayerKernel.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/Helpers.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/Validate.h"
+#include "arm_compute/core/Window.h"
+
+#include <string>
+
+using namespace arm_compute;
+
+GCNormalizationLayerKernel::GCNormalizationLayerKernel()
+    : _input(nullptr), _squared_input(nullptr), _output(nullptr), _border_size(0)
+{
+}
+
+BorderSize GCNormalizationLayerKernel::border_size() const
+{
+    return _border_size;
+}
+
+void GCNormalizationLayerKernel::configure(const IGCTensor *input, const IGCTensor *squared_input, IGCTensor *output, NormalizationLayerInfo norm_info)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F32);
+    ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
+    ARM_COMPUTE_ERROR_ON_MSG(!(norm_info.norm_size() % 2), "Normalization size should be odd");
+    ARM_COMPUTE_ERROR_ON_MSG(norm_info.type() == NormType::IN_MAP_2D, "2D In-Map Normalization not implemented");
+
+    // Set build options
+    std::set<std::string> build_opts;
+
+    _input         = input;
+    _squared_input = squared_input;
+    _output        = output;
+
+    const bool         is_in_map    = (norm_info.type() == NormType::IN_MAP_1D);
+    const unsigned int border_width = is_in_map ? std::min(norm_info.norm_size() / 2, 3U) : 0;
+    _border_size                    = BorderSize(0, border_width);
+
+    // Set kernel static arguments
+    std::string func_name = ((norm_info.type() == NormType::IN_MAP_1D) ? "IN_MAP_1D" : "CROSS_MAP");
+    build_opts.emplace(("#define " + func_name));
+    build_opts.emplace(("#define COEFF " + float_to_string_with_full_precision(norm_info.scale_coeff())));
+    build_opts.emplace(("#define BETA " + float_to_string_with_full_precision(norm_info.beta())));
+    build_opts.emplace(("#define KAPPA " + float_to_string_with_full_precision(norm_info.kappa())));
+    build_opts.emplace(("#define RADIUS " + support::cpp11::to_string(norm_info.norm_size() / 2)));
+    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)));
+
+    // Create kernel
+    _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("normalization_layer", build_opts));
+
+    // Configure kernel window
+    const unsigned int num_elems_processed_per_iteration = 1;
+    const unsigned int num_elems_read_per_iteration      = num_elems_processed_per_iteration + 2 * (norm_info.norm_size() / 2);
+
+    Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration));
+
+    AccessWindowHorizontal input_access(input->info(), -_border_size.left, num_elems_read_per_iteration);
+    AccessWindowHorizontal squared_input_access(squared_input->info(), -_border_size.left, num_elems_read_per_iteration);
+    AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration);
+
+    update_window_and_padding(win, input_access, squared_input_access, output_access);
+
+    output_access.set_valid_region(win, input->info()->valid_region());
+
+    _kernel.clear_params();
+
+    _kernel.set_shader_params_binding_point(0);
+
+    IGCKernel::configure(win);
+}
+
+void GCNormalizationLayerKernel::run(const Window &window)
+{
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window);
+
+    _kernel.use();
+
+    Window slice = window.first_slice_window_3D();
+
+    do
+    {
+        unsigned int idx     = 0;
+        unsigned int binding = 1;
+        add_3D_tensor_argument(idx, _input, binding++, slice);
+        add_3D_tensor_argument(idx, _squared_input, binding++, slice);
+        add_3D_tensor_argument(idx, _output, binding++, slice);
+
+        _kernel.update_shader_params();
+
+        enqueue(*this, slice);
+    }
+    while(window.slide_window_slice_3D(slice));
+}