Imported Upstream version 0.1upstream/0.1submit/tizen/20180504.091146

1 files changed, 87 insertions, 0 deletions

diff --git a/runtimes/nn/depend/external/gemmlowp/public/gemmlowp.h b/runtimes/nn/depend/external/gemmlowp/public/gemmlowp.h
new file mode 100644
index 000000000..05b0f4714
--- /dev/null
+++ b/runtimes/nn/depend/external/gemmlowp/public/gemmlowp.h
@@ -0,0 +1,87 @@
+// Copyright 2015 The Gemmlowp Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// gemmlowp.h: the main public interface header of gemmlowp.
+
+#ifndef GEMMLOWP_PUBLIC_GEMMLOWP_H_
+#define GEMMLOWP_PUBLIC_GEMMLOWP_H_
+#include "../internal/dispatch_gemm_shape.h"
+#include "bit_depth.h"
+#include "map.h"
+#include "output_stages.h"
+
+namespace gemmlowp {
+
+class GemmContext : public MultiThreadGemmContext {};
+
+// Computes a general matrix product ("GEMM").
+// This is a version that supports per channel quantization.
+template <typename InputScalar, typename OutputScalar, typename BitDepthParams,
+          MapOrder LhsOrder, MapOrder RhsOrder, MapOrder ResultOrder,
+          typename LhsOffset, typename RhsOffset, typename OutputPipelineType,
+          typename GemmContextType>
+void GemmWithOutputPipelinePC(GemmContextType* context,
+                              const MatrixMap<const InputScalar, LhsOrder>& lhs,
+                              const MatrixMap<const InputScalar, RhsOrder>& rhs,
+                              MatrixMap<OutputScalar, ResultOrder>* result,
+                              const LhsOffset& lhs_offset,
+                              const RhsOffset& rhs_offset,
+                              const OutputPipelineType& output_pipeline) {
+  DispatchGemmShape<InputScalar, OutputScalar, BitDepthParams>(
+      context, lhs, rhs, result, lhs_offset, rhs_offset, output_pipeline);
+}
+
+// Computes a general matrix product ("GEMM").
+// This is the legacy version that does not support per channel quantization.
+// The meaning of the offsets, result_mult_int and result_shift
+// parameters is the same as in the standard EightBitIntGemm interface
+// (which is also implemented in the eight_bit_int_gemm directory).
+template <typename InputScalar, typename OutputScalar, typename BitDepthParams,
+          MapOrder LhsOrder, MapOrder RhsOrder, MapOrder ResultOrder,
+          typename OutputPipelineType, typename GemmContextType>
+void GemmWithOutputPipeline(GemmContextType* context,
+                            const MatrixMap<const InputScalar, LhsOrder>& lhs,
+                            const MatrixMap<const InputScalar, RhsOrder>& rhs,
+                            MatrixMap<OutputScalar, ResultOrder>* result,
+                            int lhs_offset, int rhs_offset,
+                            const OutputPipelineType& output_pipeline) {
+  typedef VectorDup<const std::int32_t, VectorShape::Col> OffsetColDup;
+  typedef VectorDup<const std::int32_t, VectorShape::Row> OffsetRowDup;
+  const OffsetColDup lhs_offset_vector(lhs_offset, lhs.rows());
+  const OffsetRowDup rhs_offset_vector(rhs_offset, rhs.cols());
+  DispatchGemmShape<InputScalar, OutputScalar, BitDepthParams>(
+      context, lhs, rhs, result, lhs_offset_vector, rhs_offset_vector,
+      output_pipeline);
+}
+
+// Computes a general matrix product ("GEMM").
+// The meaning of the offsets, result_mult_int and result_shift
+// parameters is the same as in the standard EightBitIntGemm interface
+// (which is also implemented in the eight_bit_int_gemm directory).
+template <typename Scalar, typename BitDepthParams, MapOrder LhsOrder,
+          MapOrder RhsOrder, MapOrder ResultOrder, typename GemmContextType>
+void Gemm(GemmContextType* context,
+          const MatrixMap<const Scalar, LhsOrder>& lhs,
+          const MatrixMap<const Scalar, RhsOrder>& rhs,
+          MatrixMap<Scalar, ResultOrder>* result, int lhs_offset,
+          int rhs_offset, int result_offset, int result_mult_int,
+          int result_shift) {
+  GemmWithOutputPipeline<Scalar, Scalar, BitDepthParams>(
+      context, lhs, rhs, result, lhs_offset, rhs_offset,
+      MakeStandardOutputPipeline(result_offset, result_mult_int, result_shift));
+}
+
+}  // namespace gemmlowp
+
+#endif  // GEMMLOWP_PUBLIC_GEMMLOWP_H_