15744620952

Committed 18 Jun 2025 10:07PM UTC coverage: 64.591% (+0.005%) from 64.586%

Build # 15744620952

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github

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Commit Message

Merge pull request #86 from daisytuner/add-optimizer

Add optimizer functionality

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122 of 201 new or added lines in 9 files covered. (60.7%)

2 existing lines in 1 file now uncovered.

8141 of 12604 relevant lines covered (64.59%)

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95.38

/src/transformations/loop_tiling.cpp

#include "sdfg/transformations/loop_tiling.h"

#include "sdfg/analysis/loop_analysis.h"
#include "sdfg/analysis/scope_analysis.h"
#include "sdfg/builder/structured_sdfg_builder.h"
#include "sdfg/deepcopy/structured_sdfg_deep_copy.h"
#include "sdfg/passes/structured_control_flow/dead_cfg_elimination.h"
#include "sdfg/passes/structured_control_flow/sequence_fusion.h"
#include "sdfg/structured_control_flow/structured_loop.h"

namespace sdfg {
namespace transformations {

LoopTiling::LoopTiling(structured_control_flow::StructuredLoop& loop, size_t tile_size)
    : loop_(loop), tile_size_(tile_size) {};

std::string LoopTiling::name() const { return "LoopTiling"; };

bool LoopTiling::can_be_applied(builder::StructuredSDFGBuilder& builder,
                                analysis::AnalysisManager& analysis_manager) {
    if (this->tile_size_ <= 1) {
        return false;
    }
    // Criterion contiguous loop
    auto& loop_analysis = analysis_manager.get<analysis::LoopAnalysis>();
    return loop_analysis.is_contiguous(&loop_);
};

void LoopTiling::apply(builder::StructuredSDFGBuilder& builder,
                       analysis::AnalysisManager& analysis_manager) {
    auto& sdfg = builder.subject();

    auto& scope_analysis = analysis_manager.get<analysis::ScopeAnalysis>();
    auto parent =
        static_cast<structured_control_flow::Sequence*>(scope_analysis.parent_scope(&loop_));

    auto indvar = loop_.indvar();
    auto outer_indvar_str = builder.find_new_name(indvar->get_name() + "_tile");
    builder.add_container(outer_indvar_str, sdfg.type(loop_.indvar()->get_name()));
    auto outer_indvar = symbolic::symbol(outer_indvar_str);

    auto tile_size = symbolic::integer(this->tile_size_);

    auto condition = symbolic::subs(loop_.condition(), indvar, outer_indvar);
    auto update = symbolic::add(outer_indvar, tile_size);

    auto& outer_loop =
        builder.add_for_before(*parent, loop_, outer_indvar, condition, loop_.init(), update).first;

    auto& outer_body = outer_loop.root();

    auto inner_indvar = indvar;
    auto inner_init = outer_indvar;
    auto inner_condition_tile = symbolic::Lt(inner_indvar, symbolic::add(outer_indvar, tile_size));
    auto inner_condition_base = symbolic::subs(loop_.condition(), outer_indvar, inner_indvar);
    auto inner_condition = symbolic::And(inner_condition_tile, inner_condition_base);
    auto inner_update = symbolic::add(inner_indvar, symbolic::integer(1));

    // Add new loop with original body
    auto& tmp_root = builder.add_sequence_before(*parent, loop_).first;
    auto& inner_loop =
        builder.add_for(tmp_root, inner_indvar, inner_condition, inner_init, inner_update);

    deepcopy::StructuredSDFGDeepCopy copies(builder, inner_loop.root(), loop_.root());
    copies.copy();

    builder.clear_sequence(outer_body);

    deepcopy::StructuredSDFGDeepCopy copies2(builder, outer_body, tmp_root);
    copies2.copy();

    builder.remove_child(*parent, tmp_root);
    builder.remove_child(*parent, loop_);

    analysis_manager.invalidate_all();

    passes::SequenceFusion sf_pass;
    passes::DeadCFGElimination dce_pass;
    bool applies = false;
    do {
        applies = false;
        applies |= dce_pass.run(builder, analysis_manager);
        applies |= sf_pass.run(builder, analysis_manager);
    } while (applies);
};

void LoopTiling::to_json(nlohmann::json& j) const {
    j["transformation_type"] = this->name();
    j["loop_element_id"] = loop_.element_id();
    j["tile_size"] = tile_size_;
};

LoopTiling LoopTiling::from_json(builder::StructuredSDFGBuilder& builder,
                                 const nlohmann::json& desc) {
    auto loop_id = desc["loop_element_id"].get<size_t>();
    size_t tile_size = desc["tile_size"].get<size_t>();
    auto element = builder.find_element_by_id(loop_id);
    if (!element) {
        throw InvalidTransformationDescriptionException("Element with ID " +
                                                        std::to_string(loop_id) + " not found.");
    }
    auto loop = dynamic_cast<structured_control_flow::For*>(element);

    return LoopTiling(*loop, tile_size);
};

}  // namespace transformations
}  // namespace sdfg

1	#include "sdfg/transformations/loop_tiling.h"
2
3	#include "sdfg/analysis/loop_analysis.h"
4	#include "sdfg/analysis/scope_analysis.h"
5	#include "sdfg/builder/structured_sdfg_builder.h"
6	#include "sdfg/deepcopy/structured_sdfg_deep_copy.h"
7	#include "sdfg/passes/structured_control_flow/dead_cfg_elimination.h"
8	#include "sdfg/passes/structured_control_flow/sequence_fusion.h"
9	#include "sdfg/structured_control_flow/structured_loop.h"
10
11	namespace sdfg {
12	namespace transformations {
13
14	LoopTiling::LoopTiling(structured_control_flow::StructuredLoop& loop, size_t tile_size)	9✔
15	: loop_(loop), tile_size_(tile_size) {};	9✔
16
17	std::string LoopTiling::name() const { return "LoopTiling"; };	5✔
18
19	bool LoopTiling::can_be_applied(builder::StructuredSDFGBuilder& builder,	9✔
20	analysis::AnalysisManager& analysis_manager) {
21	if (this->tile_size_ <= 1) {	9✔
22	return false;	1✔
23	}
24	// Criterion contiguous loop
25	auto& loop_analysis = analysis_manager.get<analysis::LoopAnalysis>();	8✔
26	return loop_analysis.is_contiguous(&loop_);	8✔
27	};	9✔
28
29	void LoopTiling::apply(builder::StructuredSDFGBuilder& builder,	8✔
30	analysis::AnalysisManager& analysis_manager) {
31	auto& sdfg = builder.subject();	8✔
32
33	auto& scope_analysis = analysis_manager.get<analysis::ScopeAnalysis>();	8✔
34	auto parent =	8✔
35	static_cast<structured_control_flow::Sequence*>(scope_analysis.parent_scope(&loop_));	8✔
36
37	auto indvar = loop_.indvar();	8✔
38	auto outer_indvar_str = builder.find_new_name(indvar->get_name() + "_tile");	8✔
39	builder.add_container(outer_indvar_str, sdfg.type(loop_.indvar()->get_name()));	8✔
40	auto outer_indvar = symbolic::symbol(outer_indvar_str);	8✔
41
42	auto tile_size = symbolic::integer(this->tile_size_);	8✔
43
44	auto condition = symbolic::subs(loop_.condition(), indvar, outer_indvar);	8✔
45	auto update = symbolic::add(outer_indvar, tile_size);	8✔
46
47	auto& outer_loop =	8✔
48	builder.add_for_before(*parent, loop_, outer_indvar, condition, loop_.init(), update).first;	8✔
49
50	auto& outer_body = outer_loop.root();	8✔
51
52	auto inner_indvar = indvar;	8✔
53	auto inner_init = outer_indvar;	8✔
54	auto inner_condition_tile = symbolic::Lt(inner_indvar, symbolic::add(outer_indvar, tile_size));	8✔
55	auto inner_condition_base = symbolic::subs(loop_.condition(), outer_indvar, inner_indvar);	8✔
56	auto inner_condition = symbolic::And(inner_condition_tile, inner_condition_base);	8✔
57	auto inner_update = symbolic::add(inner_indvar, symbolic::integer(1));	8✔
58
59	// Add new loop with original body
60	auto& tmp_root = builder.add_sequence_before(*parent, loop_).first;	8✔
61	auto& inner_loop =	8✔
62	builder.add_for(tmp_root, inner_indvar, inner_condition, inner_init, inner_update);	8✔
63
64	deepcopy::StructuredSDFGDeepCopy copies(builder, inner_loop.root(), loop_.root());	8✔
65	copies.copy();	8✔
66
67	builder.clear_sequence(outer_body);	8✔
68
69	deepcopy::StructuredSDFGDeepCopy copies2(builder, outer_body, tmp_root);	8✔
70	copies2.copy();	8✔
71
72	builder.remove_child(*parent, tmp_root);	8✔
73	builder.remove_child(*parent, loop_);	8✔
74
75	analysis_manager.invalidate_all();	8✔
76
77	passes::SequenceFusion sf_pass;	8✔
78	passes::DeadCFGElimination dce_pass;	8✔
79	bool applies = false;	8✔
80	do {	8✔
81	applies = false;	16✔
82	applies \|= dce_pass.run(builder, analysis_manager);	16✔
83	applies \|= sf_pass.run(builder, analysis_manager);	16✔
84	} while (applies);	16✔
85	};	8✔
86
87	void LoopTiling::to_json(nlohmann::json& j) const {	4✔
88	j["transformation_type"] = this->name();	4✔
89	j["loop_element_id"] = loop_.element_id();	4✔
90	j["tile_size"] = tile_size_;	4✔
91	};	4✔
92
93	LoopTiling LoopTiling::from_json(builder::StructuredSDFGBuilder& builder,	3✔
94	const nlohmann::json& desc) {
95	auto loop_id = desc["loop_element_id"].get<size_t>();	3✔
96	size_t tile_size = desc["tile_size"].get<size_t>();	3✔
97	auto element = builder.find_element_by_id(loop_id);	3✔
98	if (!element) {	3✔
NEW 99	throw InvalidTransformationDescriptionException("Element with ID " +	×
NEW 100	std::to_string(loop_id) + " not found.");	×
101	}
102	auto loop = dynamic_cast<structured_control_flow::For*>(element);	3✔
103
104	return LoopTiling(*loop, tile_size);	3✔
NEW 105	};	×
106
107	} // namespace transformations
108	} // namespace sdfg

daisytuner / sdfglib / 15744620952

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