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[Core] Add SpaceToDepth fusion pattern #27747

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Merged
hariharans29 merged 13 commits into from
Mar 22, 2026
Merged

[Core] Add SpaceToDepth fusion pattern #27747

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6d4ca66
Add SpaceToDepth fusion
hariharans29 Mar 18, 2026
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Copliot comments
hariharans29 Mar 18, 2026
83b708e
Fix builds
hariharans29 Mar 18, 2026
66b7b1e
Fixes
hariharans29 Mar 18, 2026
87cd8c7
More fixes
hariharans29 Mar 18, 2026
bfcf458
Resolve conflicts
hariharans29 Mar 19, 2026
450befe
More changes
hariharans29 Mar 19, 2026
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Copilot comments + PR review comments
hariharans29 Mar 21, 2026
12bb081
Fix build break
hariharans29 Mar 21, 2026
d49fd23
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hariharans29 Mar 21, 2026
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hariharans29 Mar 21, 2026
2e6ef7c
Update onnxruntime/core/optimizer/slice_concat_to_space_to_depth_fusi…
hariharans29 Mar 21, 2026
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hariharans29 Mar 22, 2026
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4 changes: 3 additions & 1 deletion cmake/onnxruntime_optimizer.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,8 @@ if (onnxruntime_MINIMAL_BUILD)
"${ONNXRUNTIME_ROOT}/core/optimizer/selectors_actions/selector_action_transformer_apply_contexts.h"
"${ONNXRUNTIME_ROOT}/core/optimizer/selectors_actions/selector_action_transformer.cc"
"${ONNXRUNTIME_ROOT}/core/optimizer/selectors_actions/selector_action_transformer.h"
"${ONNXRUNTIME_ROOT}/core/optimizer/slice_concat_to_space_to_depth_fusion.cc"
"${ONNXRUNTIME_ROOT}/core/optimizer/slice_concat_to_space_to_depth_fusion.h"
# files required for layout transformation
"${ONNXRUNTIME_ROOT}/core/optimizer/layout_transformation/layout_transformation.h"
"${ONNXRUNTIME_ROOT}/core/optimizer/layout_transformation/layout_transformation.cc"
Expand Down Expand Up @@ -136,4 +138,4 @@ if (NOT onnxruntime_BUILD_SHARED_LIB)
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
FRAMEWORK DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
endif()
3 changes: 2 additions & 1 deletion onnxruntime/core/optimizer/graph_transformer_utils.cc
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Expand Up @@ -81,6 +81,7 @@
#include "core/optimizer/rule_based_graph_transformer.h"
#include "core/optimizer/skip_layer_norm_fusion.h"
#include "core/optimizer/slice_elimination.h"
#include "core/optimizer/slice_concat_to_space_to_depth_fusion.h"
#include "core/optimizer/transpose_optimizer.h"
#include "core/optimizer/unsqueeze_elimination.h"
#ifdef ENABLE_TRAINING
Expand Down Expand Up @@ -260,7 +261,7 @@ InlinedVector<std::unique_ptr<GraphTransformer>> GenerateTransformers(
transformers.emplace_back(std::make_unique<ReshapeFusion>());
transformers.emplace_back(std::make_unique<FreeDimensionOverrideTransformer>(
session_options.free_dimension_overrides));

transformers.emplace_back(std::make_unique<SliceConcatToSpaceToDepthFusion>());
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transformers.emplace_back(std::make_unique<GeluFusion>());
transformers.emplace_back(std::make_unique<LayerNormFusion>());

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