1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NEWinogradLayerKernel.cpp b/src/core/NEON/kernels/NEWinogradLayerKernel.cpp
new file mode 100644
index 0000000000..b9109dcff2
--- /dev/null
+++ b/src/core/NEON/kernels/NEWinogradLayerKernel.cpp
@@ -0,0 +1,60 @@
+/*
+ * 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/NEON/kernels/NEWinogradLayerKernel.h"
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/core/TensorInfo.h"
+
+namespace arm_compute
+{
+NEWinogradLayerKernel::NEWinogradLayerKernel()
+    : _convolver(nullptr), _output(nullptr)
+{
+}
+
+void NEWinogradLayerKernel::configure(ITensor *output, Winograd3x3F32 *convolver)
+{
+    ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::F32);
+    _convolver = convolver;
+    Window win = calculate_max_window(*output->info());
+    INEKernel::configure(win);
+}
+
+void NEWinogradLayerKernel::run(const Window &window, const ThreadInfo &info)
+{
+    ARM_COMPUTE_UNUSED(window);
+    ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
+    ARM_COMPUTE_ERROR_ON(info.num_threads < 1);
+    const size_t tid                  = info.thread_id;
+    const size_t num_threads          = std::min(info.num_threads, 16);
+    const size_t num_gemms_per_thread = 16 / num_threads;
+    const size_t first_gemm           = tid * num_gemms_per_thread;
+    const size_t last_gemm            = (tid == (num_threads - 1)) ? 15 : first_gemm + num_gemms_per_thread - 1;
+    _convolver->execute(first_gemm, last_gemm);
+}
+} // namespace arm_compute