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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| // | ||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| // | ||
| // This file implements loop tiling on parallel loops. | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
| #include "TPP/Dialect/Xsmm/XsmmOps.h" | ||
| #include "TPP/Dialect/Xsmm/XsmmUtils.h" | ||
| #include "TPP/Transforms/Utils/VNNIUtils.h" | ||
| #include "mlir/Dialect/Func/IR/FuncOps.h" | ||
| #include "mlir/Dialect/MemRef/IR/MemRef.h" | ||
| #include "mlir/Dialect/SCF/IR/SCF.h" | ||
| #include "mlir/Dialect/SCF/Transforms/Transforms.h" | ||
| #include "mlir/Pass/Pass.h" | ||
| #include "mlir/Transforms/GreedyPatternRewriteDriver.h" | ||
| #include <iostream> | ||
| #include <list> | ||
| namespace mlir { | ||
| namespace tpp { | ||
| #define GEN_PASS_DEF_TILECONFIGINSERTIONPASS | ||
| #include "TPP/Passes.h.inc" | ||
| } // namespace tpp | ||
| } // namespace mlir | ||
|
|
||
| using namespace mlir; | ||
|
|
||
| namespace mlir { | ||
| namespace tpp { | ||
|
|
||
| template <typename InvokeOpTy, typename DispatchOpTy> | ||
| static void appendBrgemmFlags(SmallVector<Attribute> &attributes, | ||
| PatternRewriter &rewriter, InvokeOpTy opTy) { | ||
| auto flags = | ||
| dyn_cast<DispatchOpTy>(opTy.getOperand(0).getDefiningOp()).getFlags(); | ||
| for (auto flagItr : flags) { | ||
| if (flagItr == xsmm::GemmFlagsAttr::get(rewriter.getContext(), | ||
| xsmm::GemmFlags::NONE)) { | ||
| return; | ||
| } | ||
| attributes.push_back(flagItr); | ||
| } | ||
|
|
||
| if (attributes.empty()) | ||
| attributes.push_back( | ||
| xsmm::GemmFlagsAttr::get(rewriter.getContext(), xsmm::GemmFlags::NONE)); | ||
| } | ||
|
|
||
| template <typename InvokeOpTy, typename DispatchOpTy> | ||
| struct TileConfig : OpRewritePattern<InvokeOpTy> { | ||
| using OpRewritePattern<InvokeOpTy>::OpRewritePattern; | ||
|
|
||
| LogicalResult matchAndRewrite(InvokeOpTy op, | ||
| PatternRewriter &rewriter) const override { | ||
| if (xsmm::utils::getDataType(rewriter, op.getOperand(1).getType()) != | ||
| xsmm::DataTypeAttr::get(rewriter.getContext(), xsmm::DataType::BF16)) | ||
| return failure(); | ||
| auto flags = | ||
| dyn_cast<DispatchOpTy>(op.getOperand(0).getDefiningOp()).getFlags(); | ||
| for (auto flagItr : flags) { | ||
| if (flagItr == xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), | ||
| mlir::xsmm::GemmFlags::NO_RESET_TILECONFIG) || | ||
| flagItr == xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), | ||
| mlir::xsmm::GemmFlags::NO_SETUP_TILECONFIG)) { | ||
| return failure(); | ||
| } | ||
| } | ||
|
|
||
| SmallVector<Attribute> attributesSetup; | ||
| attributesSetup.push_back(xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), xsmm::GemmFlags::NO_RESET_TILECONFIG)); | ||
| appendBrgemmFlags<InvokeOpTy, DispatchOpTy>(attributesSetup, rewriter, op); | ||
| auto tileConfigSetup = rewriter.create<xsmm::TileConfigDispatchOp>( | ||
| op.getLoc(), rewriter.getI64Type(), | ||
| DenseI64ArrayAttr::get( | ||
| rewriter.getContext(), | ||
| dyn_cast<DispatchOpTy>(op.getOperand(0).getDefiningOp()) | ||
| .getInputs()), | ||
| rewriter.getArrayAttr(attributesSetup), | ||
| xsmm::utils::getDataType(rewriter, op.getOperand(1).getType())); | ||
|
|
||
| SmallVector<Attribute> attributesReset; | ||
| attributesReset.push_back(xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), xsmm::GemmFlags::NO_SETUP_TILECONFIG)); | ||
| appendBrgemmFlags<InvokeOpTy, DispatchOpTy>(attributesReset, rewriter, op); | ||
| auto tileConfigReset = rewriter.create<xsmm::TileConfigDispatchOp>( | ||
| op.getLoc(), rewriter.getI64Type(), | ||
| DenseI64ArrayAttr::get( | ||
| rewriter.getContext(), | ||
| dyn_cast<DispatchOpTy>(op.getOperand(0).getDefiningOp()) | ||
| .getInputs()), | ||
| rewriter.getArrayAttr(attributesReset), | ||
| xsmm::utils::getDataType(rewriter, op.getOperand(1).getType())); | ||
|
|
||
| SmallVector<Attribute> attributesBrgemm; | ||
| attributesBrgemm.push_back(xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), xsmm::GemmFlags::NO_RESET_TILECONFIG)); | ||
| attributesBrgemm.push_back(xsmm::GemmFlagsAttr::get( | ||
| rewriter.getContext(), xsmm::GemmFlags::NO_SETUP_TILECONFIG)); | ||
| appendBrgemmFlags<InvokeOpTy, DispatchOpTy>(attributesBrgemm, rewriter, op); | ||
|
|
||
| auto dispatch = dyn_cast<DispatchOpTy>( | ||
| rewriter.clone(*op.getOperand(0).getDefiningOp())); | ||
| dispatch.setFlagsAttr(rewriter.getArrayAttr(attributesBrgemm)); | ||
|
|
||
| auto alloca = rewriter.create<memref::AllocaOp>( | ||
| op.getLoc(), MemRefType::get({64}, rewriter.getI8Type())); | ||
|
|
||
| ValueRange tileConfigInputs{alloca}; | ||
| rewriter.create<mlir::xsmm::TileConfigOp>( | ||
| op.getLoc(), tileConfigSetup, tileConfigInputs); | ||
|
|
||
| SmallVector<Value> invokeOperands; | ||
| invokeOperands.push_back(dispatch); | ||
| auto opItr = op->getOperands().begin(); | ||
| std::advance(opItr, 1); | ||
| invokeOperands.append(opItr, op->getOperands().end()); | ||
| rewriter.create<InvokeOpTy>( | ||
| op.getLoc(), | ||
| xsmm::utils::getDataType(rewriter, op.getOperand(1).getType()), | ||
| invokeOperands); | ||
|
|
||
| ValueRange tileResetInputs{alloca}; | ||
| rewriter.create<mlir::xsmm::TileConfigOp>( | ||
| op.getLoc(), tileConfigReset, tileResetInputs); | ||
|
|
||
| rewriter.eraseOp(op); | ||
| rewriter.eraseOp(op.getOperand(0).getDefiningOp()); | ||
| return success(); | ||
| } | ||
| }; | ||
|
|
||
| struct TileConfigInsertionPass | ||
| : public impl::TileConfigInsertionPassBase<TileConfigInsertionPass> { | ||
| void populateCombinePatterns(RewritePatternSet &patterns) { | ||
| patterns.add<TileConfig<xsmm::BrgemmOp, xsmm::BrgemmDispatchOp>>( | ||
| patterns.getContext()); | ||
| patterns.add<TileConfig<xsmm::FusedBrgemmOp, xsmm::FusedBrgemmDispatchOp>>( | ||
| patterns.getContext()); | ||
| } | ||
|
|
||
| void runOnOperation() override { | ||
| RewritePatternSet patterns(&getContext()); | ||
| populateCombinePatterns(patterns); | ||
| (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns)); | ||
| } | ||
| }; | ||
| } // namespace tpp | ||
| } // namespace mlir |
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