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[CINN] Add second AnchorFusion after SplitRecompute #71812

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Merged
merged 2 commits into from
Mar 21, 2025
Merged

[CINN] Add second AnchorFusion after SplitRecompute #71812

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[CINN] Add second AnchorFusion after SplitRecompute
huangjiyi Mar 20, 2025
c56ae2f
update
huangjiyi Mar 20, 2025
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19 changes: 7 additions & 12 deletions paddle/cinn/operator_fusion/pattern_graph.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -49,12 +49,6 @@ std::vector<PatternNodePtr> PatternGraph::ClusterOps() {
VLOG(4) << "[Group Cluster] After ReduceTree_Trivial_Fusion: ";
PrintGraphInfo();

// All -> AnchorPattern
VLOG(4) << "[Group Cluster] Start LiftToAnchorPattern";
LiftToAnchorPattern();
VLOG(4) << "[Group Cluster] After LiftToAnchorPattern: ";
PrintGraphInfo();

// AnchorPattern x AnchorPattern Fusion
VLOG(4) << "[Group Cluster] Start AnchorFusion";
AnchorFusion();
Expand All @@ -67,6 +61,12 @@ std::vector<PatternNodePtr> PatternGraph::ClusterOps() {
VLOG(4) << "[Group Cluster] After SplitRecomputePattern: ";
PrintGraphInfo();

// Second AnchorFusion after split recompute
VLOG(4) << "[Group Cluster] Start Second AnchorFusion";
AnchorFusion();
VLOG(4) << "[Group Cluster] After AnchorFusion: ";
PrintGraphInfo();

// Horizontal fusion.
VLOG(4) << "[Group Cluster] Start HorizontalFusion";
HorizontalFusion();
Expand Down Expand Up @@ -192,16 +192,14 @@ void PatternGraph::ReduceTree_Trivial_Fusion() {
MergeReduceTreeAndTrivialOperation>(this);
}

void PatternGraph::LiftToAnchorPattern() {
void PatternGraph::AnchorFusion() {
GraphTransformer<NodePattern,
Or<StmtPatternGraphMatcher<TrivialPattern>,
StmtPatternGraphMatcher<ReduceTreePlusTrivialPattern>,
StmtPatternGraphMatcher<ReducePattern>,
StmtPatternGraphMatcher<ReduceTreePattern>>,
LiftToAnchorPatternOperation>(this);
}

void PatternGraph::AnchorFusion() {
GraphTransformer<ReverseTopoNodePairPattern,
And<CanAnchorFusionMatcher, InputOutputMaximumConstrain>,
AnchorFusionOperation>(this);
Expand Down Expand Up @@ -239,9 +237,6 @@ void PatternGraph::ItersPermutationFusion() {
void PatternGraph::SplitRecomputePattern() {
GraphTransformer<NodePattern, RecomputeNodeMatcher, SplitRecomputeOperation>(
this);
GraphTransformer<NodePattern,
StmtPatternGraphMatcher<TrivialPattern>,
LiftToAnchorPatternOperation>(this);
}

PatternGraph::PatternGraph(const std::vector<PatternContent>& contents,
Expand Down
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