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Add align iter space tactic (#60498)
Add align iter space tactic
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| core_gather_headers() | ||
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| gather_srcs(cinnapi_src SRCS arrange_storage_tactic.cc) | ||
| gather_srcs(cinnapi_src SRCS align_iter_space_tactic.cc) | ||
| gather_srcs(cinnapi_src SRCS compute_inline_tactic.cc) | ||
| gather_srcs(cinnapi_src SRCS arrange_storage_tactic.cc) |
87 changes: 87 additions & 0 deletions
87
paddle/cinn/ir/group_schedule/tactic/align_iter_space_tactic.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // Copyright (c) 2023 CINN 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. | ||
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| #include "paddle/cinn/ir/group_schedule/tactic/align_iter_space_tactic.h" | ||
| #include "paddle/cinn/common/cas.h" | ||
| #include "paddle/cinn/common/integer_set.h" | ||
| #include "paddle/cinn/ir/ir.h" | ||
| #include "paddle/cinn/ir/ir_analyzer/ir_analyzer.h" | ||
| #include "paddle/cinn/ir/op/ir_operators.h" | ||
| #include "paddle/cinn/ir/utils/ir_copy.h" | ||
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| namespace cinn { | ||
| namespace ir { | ||
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| void AlignIterSpaceTactic::Init(ScheduleContext* context) { | ||
| context_ = context; | ||
| } | ||
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| void AlignIterSpaceTactic::Apply(ir::IRSchedule* sch, | ||
| const std::string& block_id) { | ||
| ir::Expr block = sch->GetBlock(block_id); | ||
| if (analyzer::IsReductionSBlock(block)) { | ||
| return; | ||
| } | ||
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| std::vector<ir::Expr> loops = sch->GetLoops(block_id); | ||
| ir::Expr src_fused_loop = sch->Fuse(loops); | ||
| ir::Expr src_total_extent = src_fused_loop.As<ir::For>()->extent; | ||
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| ir::Expr target_sp_extent{1}; | ||
| for (const auto& iter : context_->iter_space_info.sp_space) { | ||
| target_sp_extent = target_sp_extent * std::get<0>(iter); | ||
| } | ||
| ir::Expr target_total_extent = ir_utils::IRCopy(target_sp_extent); | ||
| for (const auto& iter : context_->iter_space_info.rb_space) { | ||
| target_total_extent = target_total_extent * std::get<0>(iter); | ||
| } | ||
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| common::cas_intervals_t var_intervals; | ||
| common::SymbolicExprAnalyzer symbolic_expr_analyzer(var_intervals); | ||
| std::optional<bool> total_extent_eq = | ||
| symbolic_expr_analyzer.ProveEQ(src_total_extent, target_total_extent); | ||
| bool need_reorder = false; | ||
| for (int i = 0; i < context_->iter_space_info.rb_last_order.size(); ++i) { | ||
| if (context_->iter_space_info.rb_last_order[i] != i) { | ||
| need_reorder = true; | ||
| break; | ||
| } | ||
| } | ||
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| if (total_extent_eq.has_value() && total_extent_eq.value()) { | ||
| sch->Split(src_fused_loop, | ||
| context_->iter_space_info.memory_consistent_order_space); | ||
| loops = sch->GetLoops(block_id); | ||
| if (need_reorder) { | ||
| sch->Reorder(block_id, context_->iter_space_info.rb_last_order); | ||
| } | ||
| if (context_->iter_space_info.sp_space.size() < loops.size() - 1) { | ||
| loops = sch->GetLoops(block_id); | ||
| std::vector<ir::Expr> rb_loops( | ||
| loops.begin() + context_->iter_space_info.sp_space.size(), | ||
| loops.end()); | ||
| sch->Fuse(rb_loops); | ||
| } | ||
| if (context_->iter_space_info.sp_space.size() > 1) { | ||
| loops = sch->GetLoops(block_id); | ||
| std::vector<ir::Expr> sp_loops( | ||
| loops.begin(), | ||
| loops.begin() + context_->iter_space_info.sp_space.size()); | ||
| sch->Fuse(sp_loops); | ||
| } | ||
| } | ||
| } | ||
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| } // namespace ir | ||
| } // namespace cinn |
37 changes: 37 additions & 0 deletions
37
paddle/cinn/ir/group_schedule/tactic/align_iter_space_tactic.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // Copyright (c) 2023 CINN 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. | ||
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| #pragma once | ||
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| #include <string> | ||
| #include <unordered_set> | ||
| #include "paddle/cinn/ir/group_schedule/tactic/schedule_tactic.h" | ||
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| namespace cinn { | ||
| namespace ir { | ||
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| class AlignIterSpaceTactic final : public ScheduleTactic { | ||
| public: | ||
| void Init(ScheduleContext* context) override; | ||
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| void Apply(ir::IRSchedule* sch, const std::string& block_id) override; | ||
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| std::string TacticName() const override { return "AlignIterSpaceTactic"; } | ||
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| private: | ||
| ScheduleContext* context_; | ||
| }; | ||
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| } // namespace ir | ||
| } // namespace cinn |
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