junrushao1994 commented on a change in pull request #8863: URL: https://github.com/apache/tvm/pull/8863#discussion_r698138163
########## File path: src/tir/schedule/primitive/cache_read_write.cc ########## @@ -0,0 +1,792 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +#include "../utils.h" + +namespace tvm { +namespace tir { + +/******** Error Classes ********/ + +class NotSingleWriteBlock : public ScheduleError { + public: + explicit NotSingleWriteBlock(IRModule mod, Buffer buffer, Array<StmtSRef> write_blocks) + : mod_(std::move(mod)), buffer_(std::move(buffer)) { + ICHECK_GT(write_blocks.size(), 1); + write_blocks_.reserve(write_blocks.size()); + for (const StmtSRef& block_sref : write_blocks) { + const BlockNode* block = TVM_SREF_TO_BLOCK(block, block_sref); + write_blocks_.push_back(GetRef<Block>(block)); + } + } + + String FastErrorString() const final { + return "ScheduleError: The buffer is allowed to be written by single block."; + } + + String DetailRenderTemplate() const final { + size_t k = write_blocks_.size(); + return "The buffer " + buffer_->name + " is expected to be written by single block, but got " + + std::to_string(k) + " blocks who write it."; + } + + IRModule mod() const final { return mod_; } + Array<ObjectRef> LocationsOfInterest() const final { + return {write_blocks_.begin(), write_blocks_.end()}; + } + + private: + IRModule mod_; + Buffer buffer_; + Array<Block> write_blocks_; +}; + +/******** Helper Functions/Classes ********/ + +/*! \brief The auxiliary info used for the insertion point and content of the cache stage. */ +struct CacheStageInfo { + /*! \brief The buffer to be read. */ + Buffer read_buffer; + /*! \brief The buffer to be written. */ + Buffer write_buffer; + /*! \brief The buffer allocation statement to be inserted. */ + Buffer alloc; + /*! \brief The AST node whose body is where the cache stage should be inserted. */ + StmtSRef loc_sref; + /*! \brief The index to insert the cache_read/cache_write stage. */ + size_t loc_pos; + /*! \brief The cache_read/cache_write stage to be inserted. */ + Stmt cache_stage; + /*! \brief The map used for ScheduleStateNode::Replace. */ + Map<Block, Block> block_map; Review comment: Let's use `block_reuse` instead to be consistent with other schedule primitives ```suggestion Map<Block, Block> block_reuse; ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@tvm.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
