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Diffstat (limited to 'runtime/neurun/core/src/exec/interp/operations/OperationUtil.h')
-rw-r--r-- | runtime/neurun/core/src/exec/interp/operations/OperationUtil.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/runtime/neurun/core/src/exec/interp/operations/OperationUtil.h b/runtime/neurun/core/src/exec/interp/operations/OperationUtil.h new file mode 100644 index 000000000..5f4146bb8 --- /dev/null +++ b/runtime/neurun/core/src/exec/interp/operations/OperationUtil.h @@ -0,0 +1,177 @@ +/* + * Copyright (c) 2019 Samsung Electronics Co., Ltd. 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. + */ + +#ifndef __NEURUN_EXEC_INTERP_OPERATIONS_OPERATION_UTILS_H_ +#define __NEURUN_EXEC_INTERP_OPERATIONS_OPERATION_UTILS_H_ + +#include "ir/Shape.h" +#include "ir/InternalType.h" + +#include <cker/Shape.h> + +namespace neurun +{ +namespace exec +{ +namespace interp +{ + +inline nnfw::cker::Shape convertShape(const ir::Shape &shape) +{ + auto dimensions = std::vector<uint32_t>(shape.dims().begin(), shape.dims().end()); + + std::vector<int32_t> raw_shape; + raw_shape.resize(4); + + for (uint32_t i = 0; i < 4; ++i) + { + if (i >= dimensions.size()) + { + raw_shape[i] = 1; + } + else + { + raw_shape[i] = dimensions[i]; + } + } + + return nnfw::cker::GetShape(raw_shape); +} + +inline nnfw::cker::Shape convertExtendShape(const ir::Shape &shape) +{ + auto dimensions = std::vector<uint32_t>(shape.dims().begin(), shape.dims().end()); + + std::vector<int32_t> raw_shape; + raw_shape.resize(4); + uint32_t start = 4 - dimensions.size(); + + for (uint32_t i = 0; i < 4; ++i) + { + if (i < start) + { + raw_shape[i] = 1; + } + else + { + raw_shape[i] = dimensions[i - start]; + } + } + + return nnfw::cker::GetShape(raw_shape); +} + +template <typename T> +void calculateActivationRange(ir::Activation activation, T *activation_min, T *activation_max) +{ + if (activation == ir::Activation::RELU) + { + *activation_min = 0; + *activation_max = std::numeric_limits<T>::max(); + } + else if (activation == ir::Activation::RELU6) + { + *activation_min = 0; + *activation_max = 6; + } + else if (activation == ir::Activation::RELU1) + { + *activation_min = -1; + *activation_max = 1; + } + else if (activation == ir::Activation::NONE) + { + *activation_min = std::numeric_limits<T>::lowest(); + *activation_max = std::numeric_limits<T>::max(); + } + else + { + throw std::runtime_error{"Unsupported activation type"}; + } +} + +inline ir::Shape calcBroadcastShape(const ir::Shape &lhs, const ir::Shape &rhs, bool &success) +{ + int lhs_rank = lhs.rank(); + int rhs_rank = rhs.rank(); + + int out_rank = (lhs_rank > rhs_rank ? lhs_rank : rhs_rank); + ir::Shape out_shape(out_rank); + + int lhs_idim = lhs_rank - 1; + int rhs_idim = rhs_rank - 1; + success = true; + for (int out_idim = out_rank - 1; out_idim >= 0; out_idim--) + { + if (lhs_idim == -1 && rhs_idim == -1) + { + // invalid result + success = false; + break; + } + + if (lhs_idim == -1) + { + out_shape.dim(out_idim) = rhs.dim(rhs_idim); + rhs_idim--; + } + else if (rhs_idim == -1) + { + out_shape.dim(out_idim) = lhs.dim(lhs_idim); + lhs_idim--; + } + else + { + if (lhs.dim(lhs_idim) == rhs.dim(rhs_idim)) + { + out_shape.dim(out_idim) = lhs.dim(lhs_idim); + lhs_idim--; + rhs_idim--; + } + else if (lhs.dim(lhs_idim) == 1) + { + out_shape.dim(out_idim) = rhs.dim(rhs_idim); + lhs_idim--; + rhs_idim--; + } + else if (rhs.dim(rhs_idim) == 1) + { + out_shape.dim(out_idim) = lhs.dim(lhs_idim); + lhs_idim--; + rhs_idim--; + } + else + { + // invalid result + success = false; + break; + } + } + } + + if (lhs_idim != -1 || rhs_idim != -1) + { + // invalid result + success = false; + } + return out_shape; +} + +} // namespace interp +} // namespace exec +} // namespace neurun + +#endif // __NEURUN_EXEC_INTERP_OPERATIONS_OPERATION_UTILS_H_ |