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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| /* | ||
| * Copyright (c) 2024 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. | ||
| */ | ||
|
|
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| #ifndef __LUCI_FOLD_RESHAPE_PASS_H__ | ||
| #define __LUCI_FOLD_RESHAPE_PASS_H__ | ||
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| #include <logo/Pass.h> | ||
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| namespace luci | ||
| { | ||
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| /** | ||
| * @brief Class to fold Reshape to a constant tensor | ||
| * | ||
| */ | ||
| struct FoldReshapePass final : public logo::Pass | ||
| { | ||
| const char *name(void) const final { return "luci::FoldReshapePass"; } | ||
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| bool run(loco::Graph *g) final; | ||
| }; | ||
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| } // namespace luci | ||
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| #endif // __LUCI_FOLD_RESHAPE_PASS_H__ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Copyright (c) 2024 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. | ||
| */ | ||
|
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| #ifndef __LUCI_FUSE_RSQRT_PASS_H__ | ||
| #define __LUCI_FUSE_RSQRT_PASS_H__ | ||
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| #include <logo/Pass.h> | ||
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| namespace luci | ||
| { | ||
|
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| /** | ||
| * @brief Class to fuse certain pattern of subgraph into CircleRsqrt | ||
| */ | ||
| struct FuseRsqrtPass final : public logo::Pass | ||
| { | ||
| const char *name(void) const final { return "luci::FuseRsqrtPass"; } | ||
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| bool run(loco::Graph *g) final; | ||
| }; | ||
|
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| } // namespace luci | ||
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| #endif // __LUCI_FUSE_RSQRT_PASS_H__ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| * Copyright (c) 2024 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. | ||
| */ | ||
|
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| #include "luci/Pass/FoldReshapePass.h" | ||
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| #include <luci/IR/CircleNodes.h> | ||
| #include <luci/Profile/CircleNodeOrigin.h> | ||
| #include <luci/Service/Nodes/CircleConst.h> | ||
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| namespace | ||
| { | ||
|
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| /** | ||
| * Fold Reshape to const if it has const input | ||
| **/ | ||
| bool fold_reshape(luci::CircleReshape *reshape) | ||
| { | ||
| // Check const input | ||
| auto const_input = dynamic_cast<luci::CircleConst *>(reshape->tensor()); | ||
| if (not const_input) | ||
| return false; | ||
|
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| // Check const shape | ||
| auto const_shape = dynamic_cast<luci::CircleConst *>(reshape->shape()); | ||
| if (not const_shape) | ||
| return false; | ||
|
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| // Check all dimensions are known | ||
| const auto input_rank = const_input->rank(); | ||
| for (uint32_t i = 0; i < input_rank; i++) | ||
| { | ||
| if (not const_input->dim(i).known()) | ||
| return false; | ||
| } | ||
|
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| // Check all dimensions are known | ||
| const auto shape_rank = const_shape->rank(); | ||
| if (shape_rank != 1) | ||
| return false; | ||
|
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| if (not const_shape->dim(0).known()) | ||
| return false; | ||
|
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| std::vector<uint32_t> new_shape; | ||
| switch (const_shape->dtype()) | ||
| { | ||
| case loco::DataType::S32: | ||
| for (uint32_t i = 0; i < const_shape->size<loco::DataType::S32>(); i++) | ||
| { | ||
| const auto val = const_shape->at<loco::DataType::S32>(i); | ||
| if (val < 0) | ||
| return false; | ||
|
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| new_shape.push_back(static_cast<uint32_t>(val)); | ||
| } | ||
| break; | ||
| // TODO Support S64 | ||
| default: | ||
| return false; | ||
| } | ||
|
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| if (auto input_qparam = const_input->quantparam()) | ||
| { | ||
| // Only support per-tensor quantization | ||
| if (input_qparam->scale.size() != 1) | ||
| return false; | ||
|
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| if (input_qparam->zerop.size() != 1) | ||
| return false; | ||
| } | ||
|
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| auto new_const = luci::clone(const_input); | ||
| new_const->rank(new_shape.size()); | ||
| for (uint32_t i = 0; i < new_shape.size(); i++) | ||
| { | ||
| new_const->dim(i).set(new_shape[i]); | ||
| } | ||
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| new_const->shape_status(luci::ShapeStatus::VALID); | ||
|
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| new_const->name(const_input->name() + "_reshaped"); | ||
| luci::add_origin( | ||
| new_const, luci::composite_origin({luci::get_origin(reshape), luci::get_origin(const_input)})); | ||
|
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| loco::replace(reshape).with(new_const); | ||
|
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| return true; | ||
| } | ||
|
|
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| } // namespace | ||
|
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| namespace luci | ||
| { | ||
|
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| /** | ||
| * Constant Folding for Reshape Op | ||
| **/ | ||
| bool FoldReshapePass::run(loco::Graph *g) | ||
| { | ||
| bool changed = false; | ||
| for (auto node : loco::active_nodes(loco::output_nodes(g))) | ||
| { | ||
| if (auto reshape = dynamic_cast<luci::CircleReshape *>(node)) | ||
| { | ||
| if (fold_reshape(reshape)) | ||
| changed = true; | ||
| } | ||
| } | ||
|
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| return changed; | ||
| } | ||
|
|
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| } // namespace luci |
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