Lower tile to Krnl (#308)
* alloc for unknown shape * determine affine * format * test for unknown input * Update test.py * fix the expression Signed-off-by: chentong <chentong@us.ibm.com> * fix test lit Signed-off-by: chentong <chentong@us.ibm.com> * remove affine load Signed-off-by: chentong <chentong@us.ibm.com> * format Signed-off-by: chentong <chentong@us.ibm.com> * fix test Signed-off-by: chentong <chentong@us.ibm.com> * fix Affineload Signed-off-by: chentong <chentong@us.ibm.com> * affine for alternative Signed-off-by: chentong <chentong@us.ibm.com> * use DimOp Signed-off-by: chentong <chentong@us.ibm.com> * change test case Signed-off-by: chentong <chentong@us.ibm.com> * fix test Signed-off-by: chentong <chentong@us.ibm.com> * use more auto type Signed-off-by: chentong <chentong@us.ibm.com> * fix affine load Signed-off-by: chentong <chentong@us.ibm.com> * small fix Signed-off-by: chentong <chentong@us.ibm.com> Co-authored-by: Tian Jin <tjingrant@gmail.com>
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commit
931127c7e9
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@ -25,6 +25,7 @@ add_library(OMONNXToKrnl
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Tensor/Split.cpp
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Tensor/Split.cpp
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Tensor/Gather.cpp
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Tensor/Gather.cpp
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Tensor/Size.cpp
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Tensor/Size.cpp
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Tensor/Tile.cpp
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ConvertONNXToKrnl.cpp)
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ConvertONNXToKrnl.cpp)
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target_link_libraries(OMONNXToKrnl
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target_link_libraries(OMONNXToKrnl
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onnx)
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onnx)
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@ -104,6 +104,7 @@ void FrontendToKrnlLoweringPass::runOnOperation() {
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populateLoweringONNXSqueezeOpPattern(patterns, &getContext());
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populateLoweringONNXSqueezeOpPattern(patterns, &getContext());
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populateLoweringONNXSplitOpPattern(patterns, &getContext());
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populateLoweringONNXSplitOpPattern(patterns, &getContext());
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populateLoweringONNXSizeOpPattern(patterns, &getContext());
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populateLoweringONNXSizeOpPattern(patterns, &getContext());
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populateLoweringONNXTileOpPattern(patterns, &getContext());
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// Neural network
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// Neural network
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populateLoweringONNXConvOpPattern(patterns, &getContext());
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populateLoweringONNXConvOpPattern(patterns, &getContext());
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populateLoweringONNXNormalizationOpPattern(patterns, &getContext());
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populateLoweringONNXNormalizationOpPattern(patterns, &getContext());
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@ -256,6 +256,9 @@ void populateLoweringONNXSplitOpPattern(
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void populateLoweringONNXSizeOpPattern(
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void populateLoweringONNXSizeOpPattern(
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OwningRewritePatternList &patterns, MLIRContext *ctx);
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OwningRewritePatternList &patterns, MLIRContext *ctx);
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void populateLoweringONNXTileOpPattern(
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OwningRewritePatternList &patterns, MLIRContext *ctx);
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bool checkOpResultIsUsedByGetRef(AllocOp *allocOp);
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bool checkOpResultIsUsedByGetRef(AllocOp *allocOp);
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int64_t getMemRefSizeInBytes(Value val);
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int64_t getMemRefSizeInBytes(Value val);
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@ -0,0 +1,228 @@
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//===----------------Tile.cpp - Lowering Tile Op----------------------=== //
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//
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// Copyright 2020 The IBM Research Authors.
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//
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// =============================================================================
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//
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// This file lowers the ONNX Tile Operator to Krnl dialect.
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//
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//===----------------------------------------------------------------------===//
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#include "src/Conversion/ONNXToKrnl/ONNXToKrnlCommon.hpp"
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using namespace mlir;
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//===----------------------------------------------------------------------===//
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// Helper function to insert alloc and dealloc ops for memref of dynamic shape.
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//
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Value insertAllocAndDeallocForTile(MemRefType memRefType, Location loc,
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ConversionPatternRewriter &rewriter, bool insertDealloc, Value inputOperand,
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Value repeatsOperand) {
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AllocOp alloc;
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auto inputShape = inputOperand.getType().cast<MemRefType>().getShape();
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auto inputRank = inputShape.size();
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SmallVector<Value, 4> allocOperands;
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for (int i = 0; i < inputRank; ++i) {
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auto indexVal = emitConstantOp(rewriter, loc, rewriter.getIndexType(), i);
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SmallVector<Value, 1> repeatsMemRefVal = {indexVal};
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auto repeatsLoadVal =
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rewriter.create<AffineLoadOp>(loc, repeatsOperand, repeatsMemRefVal);
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auto repeatsElementVal = rewriter.create<IndexCastOp>(
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loc, repeatsLoadVal, rewriter.getIndexType());
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auto dimVal = rewriter.create<DimOp>(loc, inputOperand, i);
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Value allocDimVal = rewriter.create<MulIOp>(loc, dimVal, repeatsElementVal);
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allocOperands.emplace_back(allocDimVal);
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}
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alloc = rewriter.create<AllocOp>(loc, memRefType, allocOperands);
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if (insertDealloc) {
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auto *parentBlock = alloc.getOperation()->getBlock();
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auto dealloc = rewriter.create<DeallocOp>(loc, alloc);
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dealloc.getOperation()->moveBefore(&parentBlock->back());
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}
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return alloc;
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}
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struct ONNXTileOpLowering : public ConversionPattern {
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ONNXTileOpLowering(MLIRContext *ctx)
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: ConversionPattern(mlir::ONNXTileOp::getOperationName(), 1, ctx) {}
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LogicalResult matchAndRewrite(Operation *op, ArrayRef<Value> operands,
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ConversionPatternRewriter &rewriter) const final {
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ONNXTileOpAdaptor operandAdaptor(operands);
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ONNXTileOp tileOp = llvm::cast<ONNXTileOp>(op);
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auto loc = op->getLoc();
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// get input operands, shapes, and rank
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Value input = operandAdaptor.input();
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auto inputMemRefType = input.getType().cast<MemRefType>();
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auto inputShape = inputMemRefType.getShape();
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int64_t inputRank = inputShape.size();
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Value repeats = operandAdaptor.repeats();
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// get output info
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auto resultOperand = tileOp.output();
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auto outputMemRefType = convertToMemRefType(*op->result_type_begin());
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auto outputMemRefShape = outputMemRefType.getShape();
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int64_t outputRank = outputMemRefShape.size();
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bool insertDealloc = checkInsertDealloc(op);
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Value alloc;
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if (hasAllConstantDimensions(outputMemRefType))
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alloc =
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insertAllocAndDealloc(outputMemRefType, loc, rewriter, insertDealloc);
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else
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alloc = insertAllocAndDeallocForTile(
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outputMemRefType, loc, rewriter, insertDealloc, input, repeats);
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// Define loops and iteration trip counts (equivalent to size of output)
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std::vector<Value> originalLoops;
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defineLoops(rewriter, loc, originalLoops, outputRank);
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KrnlIterateOperandPack pack(rewriter, originalLoops);
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for (int ii = 0; ii < outputRank; ++ii)
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addDimensionToPack(rewriter, loc, pack, alloc, ii);
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// Create the loops
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auto iterateOp = rewriter.create<KrnlIterateOp>(loc, pack);
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Block &iterationBlock = iterateOp.bodyRegion().front();
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// Now perform the insertions into the body of the just generated loops.
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// Insert instructions inside the KernelIterateOp body.
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rewriter.setInsertionPointToStart(&iterationBlock);
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// Handle the operations.
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// This implementation is to iterate the output tensor.
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// The store has simple affine subscript expression.
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// Alternative implementation is to iterate the input tensor and repeats.
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// The load of elements in input tensor can be reused explicitly.
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// But the subscript of store is not contigous, or even not affine.
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// Alternative implementation can be found at the end of this file.
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SmallVector<Value, 4> inputMemRefVal;
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for (int i = 0; i < outputRank; ++i) {
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auto indexAE = rewriter.getAffineDimExpr(0);
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auto offsetAE = rewriter.getAffineSymbolExpr(0);
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auto dimMap = AffineMap::get(1, 1, indexAE % offsetAE);
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auto inputDimSizeVal = rewriter.create<DimOp>(loc, input, i);
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auto loopVarVal = iterationBlock.getArguments()[i];
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auto exprVal = rewriter.create<AffineApplyOp>(
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loc, dimMap, ArrayRef<Value>{loopVarVal, inputDimSizeVal});
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inputMemRefVal.emplace_back(exprVal);
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}
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// Load the value from input
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// Tried to use affine load when the input has constant shape
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Value inputVal;
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if (hasAllConstantDimensions(inputMemRefType))
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inputVal = rewriter.create<AffineLoadOp>(loc, input, inputMemRefVal);
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else
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inputVal = rewriter.create<LoadOp>(loc, input, inputMemRefVal);
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SmallVector<Value, 4> outputMemRefVal(iterationBlock.getArguments().begin(),
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iterationBlock.getArguments().end());
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// Then store the value in the output.
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rewriter.create<AffineStoreOp>(loc, inputVal, alloc, outputMemRefVal);
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rewriter.replaceOp(op, alloc);
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return success();
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}
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};
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// This is the alternative way of lowering.
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// It is kept here for record in case this implementation is needed
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struct ONNXTileOpLoweringAlternative : public ConversionPattern {
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ONNXTileOpLoweringAlternative(MLIRContext *ctx)
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: ConversionPattern(mlir::ONNXTileOp::getOperationName(), 1, ctx) {}
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LogicalResult matchAndRewrite(Operation *op, ArrayRef<Value> operands,
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ConversionPatternRewriter &rewriter) const final {
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ONNXTileOpAdaptor operandAdaptor(operands);
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ONNXTileOp tileOp = llvm::cast<ONNXTileOp>(op);
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auto loc = op->getLoc();
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// get input operands, shapes, and rank
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Value input = operandAdaptor.input();
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auto inputShape = input.getType().cast<MemRefType>().getShape();
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int64_t inputRank = inputShape.size();
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Value repeats = operandAdaptor.repeats();
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// get output info
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auto resultOperand = tileOp.output();
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auto outputMemRefType = convertToMemRefType(*op->result_type_begin());
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auto outputMemRefShape = outputMemRefType.getShape();
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int64_t outputRank = outputMemRefShape.size();
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bool insertDealloc = checkInsertDealloc(op);
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Value alloc;
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if (hasAllConstantDimensions(outputMemRefType))
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alloc =
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insertAllocAndDealloc(outputMemRefType, loc, rewriter, insertDealloc);
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else
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alloc = insertAllocAndDeallocForTile(
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outputMemRefType, loc, rewriter, insertDealloc, input, repeats);
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// Define loops and iteration trip counts (equivalent to size of output)
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std::vector<Value> originalLoops;
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defineLoops(rewriter, loc, originalLoops, outputRank * 2);
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KrnlIterateOperandPack pack(rewriter, originalLoops);
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for (int ii = 0; ii < outputRank; ++ii) {
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addDimensionToPack(rewriter, loc, pack, input, ii);
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pack.pushConstantBound(0);
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auto indexVal =
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emitConstantOp(rewriter, loc, rewriter.getIndexType(), ii);
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SmallVector<Value, 1> repeatsMemRefVal = {indexVal};
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auto repeatsLoadVal =
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rewriter.create<AffineLoadOp>(loc, repeats, repeatsMemRefVal);
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auto repeatsElementVal = rewriter.create<IndexCastOp>(
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loc, repeatsLoadVal, rewriter.getIndexType());
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pack.pushOperandBound(repeatsElementVal);
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}
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// Create the loops
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auto iterateOp = rewriter.create<KrnlIterateOp>(loc, pack);
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Block &iterationBlock = iterateOp.bodyRegion().front();
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// Now perform the insertions into the body of the just generated loops.
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// Insert instructions inside the KernelIterateOp body.
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rewriter.setInsertionPointToStart(&iterationBlock);
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// Handle the operations.
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SmallVector<Value, 4> inputMemRefVal;
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for (int j = 0; j < inputRank; ++j) {
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inputMemRefVal.emplace_back(iterationBlock.getArguments()[j * 2]);
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}
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SmallVector<Value, 4> outputMemRefVal;
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for (int i = 0; i < inputRank; ++i) {
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auto inputIndexAE = rewriter.getAffineDimExpr(0);
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auto repeatsIndexAE = rewriter.getAffineDimExpr(1);
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auto inputDimAE = rewriter.getAffineSymbolExpr(0);
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auto dimMap =
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AffineMap::get(2, 1, inputDimAE * repeatsIndexAE + inputIndexAE);
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auto inputDimSizeVal = rewriter.create<DimOp>(loc, input, i);
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auto dimExprVal = rewriter.create<AffineApplyOp>(loc, dimMap,
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ArrayRef<Value>{iterationBlock.getArguments()[2 * i],
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iterationBlock.getArguments()[2 * i + 1], inputDimSizeVal});
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outputMemRefVal.emplace_back(dimExprVal);
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}
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auto inputVal = rewriter.create<AffineLoadOp>(loc, input, inputMemRefVal);
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rewriter.create<StoreOp>(loc, inputVal, alloc, outputMemRefVal);
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rewriter.replaceOp(op, alloc);
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return success();
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}
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};
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void populateLoweringONNXTileOpPattern(
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OwningRewritePatternList &patterns, MLIRContext *ctx) {
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patterns.insert<ONNXTileOpLowering>(ctx);
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}
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@ -420,6 +420,10 @@ test_to_enable = [
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"test_split_variable_parts_2d_cpu",
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"test_split_variable_parts_2d_cpu",
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"test_split_variable_parts_default_axis_cpu",
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"test_split_variable_parts_default_axis_cpu",
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# Tile
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"test_tile_cpu",
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"test_tile_precomputed_cpu",
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# ConstantOfShape
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# ConstantOfShape
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"test_constantofshape_float_ones_cpu",
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"test_constantofshape_float_ones_cpu",
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@ -2297,3 +2297,78 @@ func @test_constant_of_shape_static_dims() -> tensor<*xf32> {
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// CHECK: }
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// CHECK: }
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// CHECK: return [[RES]] : memref<3x4x5xf32>
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// CHECK: return [[RES]] : memref<3x4x5xf32>
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}
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}
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// -----
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// Test Tile with 2D input and constant repeats
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func @test_tile1(%arg0 : tensor<4x8xf32>) -> tensor<*xf32> {
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%0 = "onnx.Constant"() { value = dense<[3, 2]> : tensor<2xi64>} : () -> tensor<2xi64>
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%1 = "onnx.Tile"(%arg0, %0) : (tensor<4x8xf32>, tensor<2xi64>) -> tensor<*xf32>
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return %1 : tensor<*xf32>
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// CHECK: [[INDEX_MAP:#.+]] = affine_map<(d0)[s0] -> (d0 mod s0)>
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// CHECK-LABEL: test_tile1
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// CHECK: [[R0:%.+]] = alloc() : memref<12x16xf32>
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// CHECK: [[R1:%.+]] = "krnl.global"() {name = "constant_0", shape = [2], value = dense<[3, 2]> : tensor<2xi64>} : () -> memref<2xi64>
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// CHECK: [[R2:%.+]]:2 = krnl.define_loops 2
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// CHECK: krnl.iterate([[R2]]#0, [[R2]]#1) with ([[R2]]#0 -> [[ARG1:%.+]] = 0 to 12, [[R2]]#1 -> [[ARG2:%.+]] = 0 to 16) {
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// CHECK: [[C0:%.+]] = constant 0 : index
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// CHECK: [[R3:%.+]] = dim %arg0, [[C0]] : memref<4x8xf32>
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// CHECK: [[R4:%.+]] = affine.apply [[INDEX_MAP]]([[ARG1]]){{\[}}[[R3]]{{\]}}
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// CHECK: [[C1:%.+]] = constant 1 : index
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// CHECK: [[R5:%.+]] = dim %arg0, [[C1]] : memref<4x8xf32>
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// CHECK: [[R6:%.+]] = affine.apply [[INDEX_MAP]]([[ARG2]]){{\[}}[[R5]]{{\]}}
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// CHECK: [[R7:%.+]] = affine.load %arg0{{\[}}[[R4]], [[R6]]{{\]}} : memref<4x8xf32>
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// CHECK: affine.store [[R7]], %0{{\[}}[[ARG1]], [[ARG2]]{{\]}} : memref<12x16xf32>
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}
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// -----
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// Test Tile with 1D input and unknown repeats
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func @test_tile2(%arg0 : tensor<8xf32>, %arg1 : tensor<1xi64>) -> tensor<*xf32> {
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%1 = "onnx.Tile"(%arg0, %arg1) : (tensor<8xf32>, tensor<1xi64>) -> tensor<*xf32>
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return %1 : tensor<*xf32>
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// CHECK: [[INDEX_MAP:#.+]] = affine_map<(d0)[s0] -> (d0 mod s0)>
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// CHECK-LABEL test_tile2
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// CHECK: [[C0:%.+]] = constant 0 : index
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// CHECK: [[R0:%.+]] = affine.load %arg1{{\[}}[[C0]]{{\]}} : memref<1xi64>
|
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// CHECK: [[R1:%.+]] = index_cast [[R0]] : i64 to index
|
||||||
|
// CHECK: [[C0_0:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R2:%.+]] = dim %arg0, [[C0_0]] : memref<8xf32>
|
||||||
|
// CHECK: [[R3:%.+]] = muli [[R2]], [[R1]] : index
|
||||||
|
// CHECK: [[R4:%.+]] = alloc([[R3]]) : memref<?xf32>
|
||||||
|
// CHECK: [[R5:%.+]] = krnl.define_loops 1
|
||||||
|
// CHECK: [[C0_1:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R6:%.+]] = dim [[R4]], [[C0_1]] : memref<?xf32>
|
||||||
|
// CHECK: krnl.iterate([[R5]]) with ([[R5]] -> [[ARG2:%.+]] = 0 to [[R6]]) {
|
||||||
|
// CHECK: [[C0_2:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R7:%.+]] = dim %arg0, [[C0_2]] : memref<8xf32>
|
||||||
|
// CHECK: [[R8:%.+]] = affine.apply [[INDEX_MAP]]([[ARG2]]){{\[}}[[R7]]{{\]}}
|
||||||
|
// CHECK: [[R9:%.+]] = affine.load %arg0{{\[}}[[R8]]{{\]}} : memref<8xf32>
|
||||||
|
// CHECK: affine.store [[R9]], [[R4]]{{\[}}[[ARG2]]{{\]}} : memref<?xf32>
|
||||||
|
}
|
||||||
|
|
||||||
|
// -----
|
||||||
|
|
||||||
|
// Test Tile with 1D unknown input
|
||||||
|
func @test_tile3(%arg0 : tensor<?xf32>, %arg1 : tensor<1xi64>) -> tensor<*xf32> {
|
||||||
|
%1 = "onnx.Tile"(%arg0, %arg1) : (tensor<?xf32>, tensor<1xi64>) -> tensor<*xf32>
|
||||||
|
return %1 : tensor<*xf32>
|
||||||
|
// CHECK: [[INDEX_MAP:#.+]] = affine_map<(d0)[s0] -> (d0 mod s0)>
|
||||||
|
// CHECK-LABEL test_tile3
|
||||||
|
// CHECK: [[C0:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R0:%.+]] = affine.load %arg1{{\[}}[[C0]]{{\]}} : memref<1xi64>
|
||||||
|
// CHECK: [[R1:%.+]] = index_cast [[R0]] : i64 to index
|
||||||
|
// CHECK: [[C0_0:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R2:%.+]] = dim %arg0, [[C0_0]] : memref<?xf32>
|
||||||
|
// CHECK: [[R3:%.+]] = muli [[R2]], [[R1]] : index
|
||||||
|
// CHECK: [[R4:%.+]] = alloc([[R3]]) : memref<?xf32>
|
||||||
|
// CHECK: [[R5:%.+]] = krnl.define_loops 1
|
||||||
|
// CHECK: [[C0_1:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R6:%.+]] = dim %4, [[C0_1]] : memref<?xf32>
|
||||||
|
// CHECK: krnl.iterate([[R5]]) with ([[R5]] -> [[ARG2:%.+]] = 0 to [[R6]]) {
|
||||||
|
// CHECK: [[C0_2:%.+]] = constant 0 : index
|
||||||
|
// CHECK: [[R7:%.+]] = dim %arg0, [[C0_2]] : memref<?xf32>
|
||||||
|
// CHECK: [[R8:%.+]] = affine.apply [[INDEX_MAP]]([[ARG2]]){{\[}}[[R7]]{{\]}}
|
||||||
|
// CHECK: [[R9:%.+]] = load %arg0{{\[}}[[R8]]{{\]}} : memref<?xf32>
|
||||||
|
// CHECK: affine.store [[R9]], [[R4]]{{\[}}[[ARG2]]{{\]}} : memref<?xf32>
|
||||||
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue