1 files changed, 177 insertions, 0 deletions
diff --git a/compute/ARMComputeEx/src/core/CL/kernels/CLInstanceNormalizationLayerKernelEx.cpp b/compute/ARMComputeEx/src/core/CL/kernels/CLInstanceNormalizationLayerKernelEx.cpp
new file mode 100644
index 000000000..5db414f62
--- /dev/null
+++ b/compute/ARMComputeEx/src/core/CL/kernels/CLInstanceNormalizationLayerKernelEx.cpp
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * 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 "arm_compute/core/CL/kernels/CLInstanceNormalizationLayerKernelEx.h"
+
+#include "arm_compute/core/CL/CLHelpers.h"
+#include "arm_compute/core/CL/CLKernelLibraryEx.h"
+#include "arm_compute/core/CL/CLValidate.h"
+#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Utils.h"
+#include "arm_compute/core/Window.h"
+
+#include "support/ToolchainSupport.h"
+
+namespace arm_compute
+{
+namespace
+{
+Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output,
+                          const ITensorInfo *gamma, const ITensorInfo *beta, float epsilon)
+{
+  ARM_COMPUTE_UNUSED(gamma);
+  ARM_COMPUTE_UNUSED(beta);
+  ARM_COMPUTE_RETURN_ERROR_ON_MSG(epsilon == 0.f, "Epsilon must be different than 0");
+
+  ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(input, DataType::F16, DataType::F32);
+
+  if (output != nullptr && output->total_size() != 0)
+  {
+    ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output);
+    ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
+    ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_LAYOUT(input, output);
+    ARM_COMPUTE_RETURN_ERROR_ON_MSG(input->num_channels() != output->num_channels(),
+                                    "Input and output have different number of channels");
+  }
+
+  return Status{};
+}
+
+std::tuple<Status, Window> validate_and_configure_window(ITensorInfo *input, ITensorInfo *output)
+{
+  // We handle the planes manually
+  Window win = calculate_max_window(*input, Steps(1));
+
+  // Output auto initialization if not yet initialized
+  auto_init_if_empty(*output, input->tensor_shape(), 1, input->data_type());
+
+  // CLInstanceNormalizationLayerKernelEx doesn't need padding so update_window_and_padding() can be
+  // skipped
+  Coordinates coord;
+  coord.set_num_dimensions(output->num_dimensions());
+  output->set_valid_region(ValidRegion(coord, output->tensor_shape()));
+  return std::make_pair(Status{}, win);
+}
+} // namespace
+
+CLInstanceNormalizationLayerKernelEx::CLInstanceNormalizationLayerKernelEx()
+    : _input(nullptr), _output(nullptr), _gamma(nullptr), _beta(nullptr), _epsilon(1e-12),
+      _run_in_place(false)
+{
+}
+
+void CLInstanceNormalizationLayerKernelEx::configure(ICLTensor *input, ICLTensor *output,
+                                                     ICLTensor *gamma, ICLTensor *beta,
+                                                     float epsilon)
+{
+  ARM_COMPUTE_ERROR_ON_NULLPTR(input);
+
+  _input = input;
+  _output = output == nullptr ? input : output;
+  _gamma = gamma;
+  _beta = beta;
+  _epsilon = epsilon;
+
+  _run_in_place = (output == nullptr) || (output == input);
+  ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(_input->info(), _output->info(),
+                                                gamma ? gamma->info() : nullptr,
+                                                beta ? beta->info() : nullptr, epsilon));
+  const unsigned int num_elems_processed_per_iteration = 16 / input->info()->element_size();
+
+  CLBuildOptions build_opts;
+  build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()));
+  build_opts.add_option("-DVEC_SIZE=" +
+                        support::cpp11::to_string(num_elems_processed_per_iteration));
+  build_opts.add_option("-DDIM_X=" + support::cpp11::to_string(input->info()->dimension(0)));
+  build_opts.add_option("-DDIM_Y=" + support::cpp11::to_string(input->info()->dimension(1)));
+  build_opts.add_option("-DDIM_Z=" + support::cpp11::to_string(input->info()->dimension(2)));
+  build_opts.add_option("-DEPSILON=" + float_to_string_with_full_precision(epsilon));
+  build_opts.add_option_if(gamma, "-DGAMMA");
+  build_opts.add_option_if(beta, "-DBETA");
+  build_opts.add_option_if(_run_in_place, "-DIN_PLACE");
+  build_opts.add_option_if(_input->info()->data_layout() == DataLayout::NHWC, "-DNHWC");
+
+  // Create kernel
+  _kernel = static_cast<cl::Kernel>(
+      CLKernelLibraryEx::get().create_kernel("instance_normalization_ex", build_opts.options()));
+
+  // Configure kernel window
+  auto win_config = validate_and_configure_window(_input->info(), _output->info());
+  ARM_COMPUTE_ERROR_THROW_ON(std::get<0>(win_config));
+  ICLKernel::configure_internal(std::get<1>(win_config));
+}
+
+Status CLInstanceNormalizationLayerKernelEx::validate(const ITensorInfo *input,
+                                                      const ITensorInfo *output,
+                                                      const ITensorInfo *gamma,
+                                                      const ITensorInfo *beta, float epsilon)
+{
+  ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, gamma, beta, epsilon));
+  ARM_COMPUTE_RETURN_ON_ERROR(std::get<0>(validate_and_configure_window(
+      input->clone().get(), (output == nullptr ? input->clone().get() : output->clone().get()))));
+  return Status{};
+}
+
+void CLInstanceNormalizationLayerKernelEx::run(const Window &window, cl::CommandQueue &queue)
+{
+  ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+  ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window);
+
+  Window collapsed_window = window.collapse(window, Window::DimZ);
+
+  // We will process the planes together
+  if (_input->info()->data_layout() == DataLayout::NCHW)
+  {
+    collapsed_window.set(Window::DimX, Window::Dimension(0, 1, 1));
+    collapsed_window.set(Window::DimY, Window::Dimension(0, 1, 1));
+  }
+  else
+  {
+    collapsed_window.set(Window::DimY, Window::Dimension(0, 1, 1));
+    collapsed_window.set(Window::DimZ, Window::Dimension(0, _input->info()->dimension(3), 1));
+  }
+
+  Window vec_window;
+  vec_window.set(Window::DimX, Window::Dimension(0, 0, 0));
+
+  unsigned int idx = 0;
+  add_4D_tensor_argument(idx, _input, collapsed_window);
+  if (!_run_in_place)
+  {
+    add_4D_tensor_argument(idx, _output, collapsed_window);
+  }
+  if (_gamma)
+  {
+    add_1D_tensor_argument(idx, _gamma, vec_window);
+  }
+  if (_beta)
+  {
+    add_1D_tensor_argument(idx, _beta, vec_window);
+  }
+
+  enqueue(queue, *this, collapsed_window, lws_hint());
+}
+} // namespace arm_compute