Skip to content

ElementwiseOpFusion: option for disable empty #430

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
josel-amd merged 3 commits into from
Dec 18, 2024
Merged

ElementwiseOpFusion: option for disable empty #430

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7423413
ElementwiseOpFusion: option for disable empty
mgehre-amd Dec 18, 2024
08dcd58
Address comments
josel-amd Dec 18, 2024
cb794e6
Use single linalg.generic
josel-amd Dec 18, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions mlir/include/mlir/Dialect/Linalg/Passes.td
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,11 @@ def LinalgElementwiseOpFusionPass : Pass<"linalg-fuse-elementwise-ops"> {
let dependentDialects = [
"affine::AffineDialect", "linalg::LinalgDialect", "memref::MemRefDialect"
];
let options = [
Option<"introduceTensorEmpty", "introduce-empty", "bool",
/*default=*/"true",
"Replace out by tensor.empty">,
];
}

def LinalgNamedOpConversionPass: Pass<"linalg-named-op-conversion"> {
Expand Down
3 changes: 2 additions & 1 deletion mlir/include/mlir/Dialect/Linalg/Transforms/Transforms.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1701,7 +1701,8 @@ using ControlFusionFn = std::function<bool(OpOperand *fusedOperand)>;
/// when both operations are fusable elementwise operations.
void populateElementwiseOpsFusionPatterns(
RewritePatternSet &patterns,
const ControlFusionFn &controlElementwiseOpFusion);
const ControlFusionFn &controlElementwiseOpFusion,
bool introduceTensorEmpty = true);

/// Function type which is used to control propagation of tensor.pack/unpack
/// ops.
Expand Down
11 changes: 7 additions & 4 deletions mlir/lib/Dialect/Linalg/Transforms/ElementwiseOpFusion.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2134,11 +2134,13 @@ void mlir::linalg::populateFoldReshapeOpsByCollapsingPatterns(

void mlir::linalg::populateElementwiseOpsFusionPatterns(
RewritePatternSet &patterns,
const ControlFusionFn &controlElementwiseOpsFusion) {
const ControlFusionFn &controlElementwiseOpsFusion,
bool introduceTensorEmpty) {
auto *context = patterns.getContext();
patterns.add<FuseElementwiseOps>(context, controlElementwiseOpsFusion);
patterns.add<FoldFillWithGenericOp, FoldScalarOrSplatConstant,
RemoveOutsDependency>(context);
patterns.add<FoldFillWithGenericOp, FoldScalarOrSplatConstant>(context);
if (introduceTensorEmpty)
patterns.add<RemoveOutsDependency>(context);
// Add the patterns that clean up dead operands and results.
populateEraseUnusedOperandsAndResultsPatterns(patterns);
}
Expand Down Expand Up @@ -2180,7 +2182,8 @@ struct LinalgElementwiseOpFusionPass
};

// Add elementwise op fusion patterns.
populateElementwiseOpsFusionPatterns(patterns, defaultControlFn);
populateElementwiseOpsFusionPatterns(patterns, defaultControlFn,
introduceTensorEmpty);
populateFoldReshapeOpsByExpansionPatterns(patterns, defaultControlFn);
tensor::populateBubbleUpExpandShapePatterns(patterns);

Expand Down
Loading