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* add BlockFrame * upd * add T::axis::Spatial/Reduce * include dom in for-frame * finish T.axis.remap
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * 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 "./block_frame.h" | ||
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| #include "./for_frame.h" | ||
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| namespace tvm { | ||
| namespace script { | ||
| namespace builder { | ||
| namespace tir { | ||
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| BlockFrame::BlockFrame(String name) { | ||
| ObjectPtr<BlockFrameNode> n = make_object<BlockFrameNode>(); | ||
| n->name = name; | ||
| n->iter_vars.clear(); | ||
| n->reads = NullOpt; | ||
| n->writes = NullOpt; | ||
| n->init = NullOpt; | ||
| n->alloc_buffers.clear(); | ||
| n->match_buffers.clear(); | ||
| n->annotations.clear(); | ||
| n->iter_values.clear(); | ||
| n->predicate = NullOpt; | ||
| data_ = n; | ||
| } | ||
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| namespace axis { | ||
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| // TODO(@junrushao1994): figure out the Block syntax without BlockRealize | ||
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| tvm::tir::IterVar PushBlockVar(tvm::tir::IterVar iter_var, PrimExpr binding) { | ||
| if (const BlockFrameNode* opt_frame = Builder::Current()->frames.back().as<BlockFrameNode>()) { | ||
| BlockFrame frame = GetRef<BlockFrame>(opt_frame); | ||
| frame->iter_vars.push_back(iter_var); | ||
| frame->iter_values.push_back(binding); | ||
| } else { | ||
| LOG(FATAL) << "TypeError: The last frame is not BlockFrame"; | ||
| } | ||
| return iter_var; | ||
| } | ||
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| tvm::tir::IterVar Spatial(Range dom, PrimExpr binding, DataType dtype) { | ||
| using namespace tvm::tir; | ||
| ICHECK(dom.defined()) << "Spatial axis must have a domain"; | ||
| int bits = std::max({dom->min.dtype().bits(), dom->extent.dtype().bits(), dtype.bits()}); | ||
| return PushBlockVar(IterVar(/*dom=*/dom, // | ||
| /*var=*/Var("_", dtype.with_bits(bits)), // | ||
| /*iter_type=*/IterVarType::kDataPar, // | ||
| /*thread_tag=*/""), | ||
| binding); | ||
| } | ||
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| tvm::tir::IterVar Reduce(Range dom, PrimExpr binding, DataType dtype) { | ||
| using namespace tvm::tir; | ||
| ICHECK(dom.defined()) << "Spatial axis must have a domain"; | ||
| int bits = std::max({dom->min.dtype().bits(), dom->extent.dtype().bits(), dtype.bits()}); | ||
| return PushBlockVar(IterVar(/*dom=*/dom, // | ||
| /*var=*/Var("_", dtype.with_bits(bits)), // | ||
| /*iter_type=*/IterVarType::kCommReduce, // | ||
| /*thread_tag=*/""), | ||
| binding); | ||
| } | ||
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| Array<tvm::tir::IterVar> Remap(String kinds, Array<PrimExpr> bindings, DataType dtype) { | ||
| using namespace tvm::tir; | ||
| Array<tvm::tir::IterVar> results; | ||
| ICHECK_EQ(kinds.size(), bindings.size()); | ||
| int n = bindings.size(); | ||
| results.reserve(n); | ||
| for (int i = 0; i < n; ++i) { | ||
| char c = kinds.c_str()[i]; | ||
| PrimExpr e = bindings[i]; | ||
| const VarNode* v = e.as<VarNode>(); | ||
| ICHECK(v) << "TypeError: Only Var is supported in T.axis.remap"; | ||
| Range dom{nullptr}; | ||
| for (const auto& frame : Builder::Current()->frames) { | ||
| if (const auto* for_frame = frame.as<ForFrameNode>()) { | ||
| ICHECK_EQ(for_frame->doms.size(), for_frame->vars.size()); | ||
| int n = for_frame->doms.size(); | ||
| for (int i = 0; i < n; ++i) { | ||
| if (for_frame->vars[i].get() == v) { | ||
| dom = for_frame->doms[i]; | ||
| break; | ||
| } | ||
| } | ||
| if (dom.defined()) { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| ICHECK(dom.defined()) << "TypeError: Variable is not in the loop: " << GetRef<Var>(v); | ||
| DataType dtype = v->dtype; | ||
| if (c == 'S') { | ||
| results.push_back(PushBlockVar(IterVar(/*dom=*/dom, | ||
| /*var=*/Var("_", dtype), | ||
| /*iter_type=*/IterVarType::kDataPar, | ||
| /*thread_tag=*/""), | ||
| e)); | ||
| } else if (c == 'R') { | ||
| results.push_back(PushBlockVar(IterVar(/*dom=*/dom, | ||
| /*var=*/Var("_", dtype), | ||
| /*iter_type=*/IterVarType::kCommReduce, | ||
| /*thread_tag=*/""), | ||
| e)); | ||
| } else { | ||
| LOG(FATAL) << "Unknown axis kind: " << c; | ||
| } | ||
| } | ||
| return results; | ||
| } | ||
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| } // namespace axis | ||
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| TVM_REGISTER_NODE_TYPE(BlockFrameNode); | ||
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| } // namespace tir | ||
| } // namespace builder | ||
| } // namespace script | ||
| } // namespace tvm |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| #ifndef TVM_SCRIPT_BUILDER_TIR_BLOCK_FRAME_H_ | ||
| #define TVM_SCRIPT_BUILDER_TIR_BLOCK_FRAME_H_ | ||
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| #include "./tir.h" | ||
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| namespace tvm { | ||
| namespace script { | ||
| namespace builder { | ||
| namespace tir { | ||
|
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| class BlockFrameNode : public TIRFrameNode { | ||
| public: | ||
| String name; | ||
| Array<tvm::tir::IterVar> iter_vars; | ||
| Optional<Array<tvm::tir::BufferRegion>> reads; | ||
| Optional<Array<tvm::tir::BufferRegion>> writes; | ||
| Optional<tvm::tir::Stmt> init; | ||
| Array<tvm::tir::Buffer> alloc_buffers; | ||
| Array<tvm::tir::MatchBufferRegion> match_buffers; | ||
| Map<String, ObjectRef> annotations; | ||
|
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| Array<PrimExpr> iter_values; | ||
| Optional<PrimExpr> predicate; | ||
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| void VisitAttrs(tvm::AttrVisitor* v) { | ||
| v->Visit("name", &name); | ||
| v->Visit("iter_vars", &iter_vars); | ||
| v->Visit("reads", &reads); | ||
| v->Visit("writes", &writes); | ||
| v->Visit("init", &init); | ||
| v->Visit("alloc_buffers", &alloc_buffers); | ||
| v->Visit("match_buffers", &match_buffers); | ||
| v->Visit("annotations", &annotations); | ||
| v->Visit("iter_values", &iter_values); | ||
| v->Visit("predicate", &predicate); | ||
| } | ||
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| static constexpr const char* _type_key = "script.builder.tir.BlockFrame"; | ||
| TVM_DECLARE_FINAL_OBJECT_INFO(BlockFrameNode, TIRFrameNode); | ||
| }; | ||
|
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| class BlockFrame : public TIRFrame { | ||
| public: | ||
| explicit BlockFrame(String name); | ||
| TVM_DEFINE_MUTABLE_NOTNULLABLE_OBJECT_REF_METHODS(BlockFrame, TIRFrame, BlockFrameNode); | ||
| }; | ||
|
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| namespace axis { | ||
| tvm::tir::IterVar Spatial(Range dom, PrimExpr binding, DataType dtype); | ||
| tvm::tir::IterVar Reduce(Range dom, PrimExpr binding, DataType dtype); | ||
| Array<tvm::tir::IterVar> Remap(String kinds, Array<PrimExpr> bindings, DataType dtype); | ||
| } // namespace axis | ||
| } // namespace tir | ||
| } // namespace builder | ||
| } // namespace script | ||
| } // namespace tvm | ||
|
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| #endif // TVM_SCRIPT_BUILDER_TIR_BLOCK_FRAME_H_ |
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