23207680822

Committed 17 Mar 2026 05:30PM UTC coverage: 63.838% (-0.1%) from 63.973%

Build # 23207680822

Build Type

Pull #583

github

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web-flow

Commit Message

Merge d81aa24e4 into 3868c059f

Pull Request Pull Request #583: [MLIR] Setup a Model Zoo to test different End-to-End networks

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68.6

/opt/src/transformations/offloading/offload_transform.cpp

#include "sdfg/transformations/offloading/offload_transform.h"

#include <map>
#include <string>

#include "sdfg/analysis/mem_access_range_analysis.h"
#include "sdfg/analysis/scope_analysis.h"
#include "sdfg/analysis/type_analysis.h"
#include "sdfg/data_flow/access_node.h"
#include "sdfg/structured_control_flow/block.h"
#include "sdfg/structured_control_flow/if_else.h"
#include "sdfg/structured_control_flow/map.h"
#include "sdfg/symbolic/symbolic.h"

#include "sdfg/data_flow/library_node.h"
#include "sdfg/optimization_report/pass_report_consumer.h"
#include "sdfg/types/utils.h"
#include "sdfg/visitor/immutable_structured_sdfg_visitor.h"
#include "symengine/symengine_rcp.h"

namespace sdfg {
namespace transformations {

class SideEffectFinder : public visitor::ImmutableStructuredSDFGVisitor {
private:
    structured_control_flow::Map& map_;

public:
    SideEffectFinder(StructuredSDFG& sdfg, analysis::AnalysisManager& analysis_manager, structured_control_flow::Map& map)
        : visitor::ImmutableStructuredSDFGVisitor(sdfg, analysis_manager), map_(map) {}

    bool visit() override { return visit_internal(map_.root()); }

    bool accept(structured_control_flow::Block& node) override {
        for (const auto& lib_node : node.dataflow().library_nodes()) {
            if (lib_node->side_effect()) {
                return true;
            }
        }
        return false;
    }
};

OffloadTransform::OffloadTransform(structured_control_flow::Map& map, bool allow_dynamic_sizes)
    : map_(map), allow_dynamic_sizes_(allow_dynamic_sizes) {}


bool OffloadTransform::can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {
    auto& sdfg = builder.subject();

    auto& arguments_analysis = analysis_manager.get<analysis::ArgumentsAnalysis>();

    if (!arguments_analysis.inferred_types(analysis_manager, this->map_)) {
        if (report_) report_->transform_impossible(this, "unranged args");
        DEBUG_PRINTLN("Cannot apply transform: argument types not inferred");
        return false;
    }
    auto& arguments = arguments_analysis.arguments(analysis_manager, this->map_);

    // Criterion: arg Data Types must be continuous
    for (auto& [argument, meta] : arguments) {
        auto base_type = analysis::TypeAnalysis(sdfg, &map_, analysis_manager).get_outer_type(argument);
        if (base_type == nullptr) {
            if (report_) report_->transform_impossible(this, "cannot infer type");
            DEBUG_PRINTLN("Cannot apply transform: argument type cannot be inferred");
            return false;
        }
        if (!types::is_contiguous_type(*base_type, sdfg)) {
            if (report_) report_->transform_impossible(this, "type is not contiguous");
            DEBUG_PRINTLN("Cannot apply transform: argument type is not contiguous");
            return false;
        }
        if (meta.is_scalar && meta.is_output) {
            if (report_) report_->transform_impossible(this, "scalar output");
            DEBUG_PRINTLN("Cannot apply transform: map writes to scalar argument");
            return false;
        }
    }

    // Criterion: Map must start at 0
    if (!symbolic::eq(this->map_.init(), symbolic::zero())) {
        if (report_) report_->transform_impossible(this, "non zero start");
        DEBUG_PRINTLN("Cannot apply transform: map does not start at zero");
        return false;
    }

    // Criterion: Map cannot write to scalar arguments
    for (auto& [argument, meta] : arguments) {
        if (meta.is_scalar && meta.is_output) {
            if (report_) report_->transform_impossible(this, "scalar output");
            DEBUG_PRINTLN("Cannot apply transform: map writes to scalar argument");
            return false;
        }
    }

    // Criterion: arg ranges must be known
    auto& mem_access_ranges = analysis_manager.get<analysis::MemAccessRanges>();

    if (!arguments_analysis.argument_size_known(analysis_manager, this->map_, allow_dynamic_sizes_)) {
        if (report_) report_->transform_impossible(this, "args not understood");
        DEBUG_PRINTLN("Cannot apply transform: argument sizes not known");
        return false;
    }

    // Criterion: Map cannot contain function calls with side effects (e.g. library nodes that write to memory)
    SideEffectFinder side_effect_finder(sdfg, analysis_manager, this->map_);
    if (side_effect_finder.visit()) {
        if (report_) report_->transform_impossible(this, "side effects");
        DEBUG_PRINTLN("Cannot apply transform: map contains library nodes with side effects");
        return false;
    }

    if (report_) report_->transform_possible(this);
    return true;
}

void OffloadTransform::apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {
    // Schedule
    builder.update_schedule_type(this->map_, transformed_schedule_type());

    auto& sdfg = builder.subject();

    // Identify arguments and locals
    auto& arguments_analysis = analysis_manager.get<analysis::ArgumentsAnalysis>();

    auto& arguments = arguments_analysis.arguments(analysis_manager, this->map_);
    auto& locals = arguments_analysis.locals(analysis_manager, this->map_);

    // Infer subsets for arguments
    auto& mem_access_ranges = analysis_manager.get<analysis::MemAccessRanges>();
    auto& argument_sizes = arguments_analysis.argument_sizes(analysis_manager, this->map_, allow_dynamic_sizes_);

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

    std::string container_prefix = copy_prefix() + std::to_string(parent_scope->element_id()) + "_";

    // Allocate arguments and locals
    allocate_locals_on_device_stack(builder, analysis_manager, locals);
    handle_device_setup_and_teardown(builder, arguments, argument_sizes, container_prefix);

    // Copy-in arguments to device memory & allocation
    for (auto& [argument, meta] : arguments) {
        if (!meta.is_ptr) {
            continue;
        }
        auto argument_device = container_prefix + argument;
        auto& new_block = builder.add_block_before(*parent_scope, this->map_, {}, this->map_.debug_info());
        auto& size = argument_sizes.at(argument);
        copy_to_device_with_allocation(builder, argument, argument_device, size, SymEngine::null, new_block);
    }

    update_map_containers(arguments, container_prefix);

    // Copy-out arguments to host memory & free
    for (auto& [argument, meta] : arguments) {
        if (!meta.is_ptr) {
            continue;
        }
        auto argument_device = container_prefix + argument;
        auto& new_block = builder.add_block_after(*parent_scope, this->map_, {}, this->map_.debug_info());
        auto& size = argument_sizes.at(argument);
        if (meta.is_output) {
            copy_from_device_with_free(builder, new_block, argument, argument_device, size, SymEngine::null);
        } else {
            deallocate_device_arg(builder, new_block, argument_device, size, SymEngine::null);
        }
    }

    if (report_) report_->transform_applied(this);
}

void OffloadTransform::handle_device_setup_and_teardown(
    builder::StructuredSDFGBuilder& builder,

    const std::map<std::string, analysis::RegionArgument>& arguments,
    const std::unordered_map<std::string, symbolic::Expression>& argument_sizes,
    std::string prefix
) {
    // Add managed buffers for pointer arguments
    for (auto& [argument, meta] : arguments) {
        if (!meta.is_ptr || builder.subject().exists(prefix + argument)) {
            continue;
        }
        auto argument_device = prefix + argument;

        auto arg_size = argument_sizes.at(argument);

        add_device_buffer(builder, argument, argument_device, arg_size);
    }
}

void OffloadTransform::
    update_map_containers(const std::map<std::string, analysis::RegionArgument>& arguments, std::string prefix) {
    for (auto& [argument, meta] : arguments) {
        if (meta.is_ptr) {
            auto argument_device = prefix + argument;
            this->map_.replace(symbolic::symbol(argument), symbolic::symbol(argument_device));
        }
    }
}

} // namespace transformations
} // namespace sdfg

1	#include "sdfg/transformations/offloading/offload_transform.h"
2
3	#include <map>
4	#include <string>
5
6	#include "sdfg/analysis/mem_access_range_analysis.h"
7	#include "sdfg/analysis/scope_analysis.h"
8	#include "sdfg/analysis/type_analysis.h"
9	#include "sdfg/data_flow/access_node.h"
10	#include "sdfg/structured_control_flow/block.h"
11	#include "sdfg/structured_control_flow/if_else.h"
12	#include "sdfg/structured_control_flow/map.h"
13	#include "sdfg/symbolic/symbolic.h"
14
15	#include "sdfg/data_flow/library_node.h"
16	#include "sdfg/optimization_report/pass_report_consumer.h"
17	#include "sdfg/types/utils.h"
18	#include "sdfg/visitor/immutable_structured_sdfg_visitor.h"
19	#include "symengine/symengine_rcp.h"
20
21	namespace sdfg {
22	namespace transformations {
23
24	class SideEffectFinder : public visitor::ImmutableStructuredSDFGVisitor {
25	private:
26	structured_control_flow::Map& map_;
27
28	public:
29	SideEffectFinder(StructuredSDFG& sdfg, analysis::AnalysisManager& analysis_manager, structured_control_flow::Map& map)
30	: visitor::ImmutableStructuredSDFGVisitor(sdfg, analysis_manager), map_(map) {}	5✔
31
32	bool visit() override { return visit_internal(map_.root()); }	5✔
33
34	bool accept(structured_control_flow::Block& node) override {	4✔
35	for (const auto& lib_node : node.dataflow().library_nodes()) {	4✔
NEW 36	if (lib_node->side_effect()) {	×
NEW 37	return true;	×
NEW 38	}	×
NEW 39	}	×
40	return false;	4✔
41	}	4✔
42	};
43
44	OffloadTransform::OffloadTransform(structured_control_flow::Map& map, bool allow_dynamic_sizes)
45	: map_(map), allow_dynamic_sizes_(allow_dynamic_sizes) {}	5✔
46
47
48	bool OffloadTransform::can_be_applied(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {	5✔
49	auto& sdfg = builder.subject();	5✔
50
51	auto& arguments_analysis = analysis_manager.get<analysis::ArgumentsAnalysis>();	5✔
52
53	if (!arguments_analysis.inferred_types(analysis_manager, this->map_)) {	5✔
54	if (report_) report_->transform_impossible(this, "unranged args");	×
55	DEBUG_PRINTLN("Cannot apply transform: argument types not inferred");	×
56	return false;	×
57	}	×
58	auto& arguments = arguments_analysis.arguments(analysis_manager, this->map_);	5✔
59
60	// Criterion: arg Data Types must be continuous
61	for (auto& [argument, meta] : arguments) {	10✔
62	auto base_type = analysis::TypeAnalysis(sdfg, &map_, analysis_manager).get_outer_type(argument);	10✔
63	if (base_type == nullptr) {	10✔
64	if (report_) report_->transform_impossible(this, "cannot infer type");	×
65	DEBUG_PRINTLN("Cannot apply transform: argument type cannot be inferred");	×
66	return false;	×
67	}	×
68	if (!types::is_contiguous_type(*base_type, sdfg)) {	10✔
69	if (report_) report_->transform_impossible(this, "type is not contiguous");	×
70	DEBUG_PRINTLN("Cannot apply transform: argument type is not contiguous");	×
71	return false;	×
72	}	×
73	if (meta.is_scalar && meta.is_output) {	10✔
74	if (report_) report_->transform_impossible(this, "scalar output");	×
75	DEBUG_PRINTLN("Cannot apply transform: map writes to scalar argument");	×
76	return false;	×
77	}	×
78	}	10✔
79
80	// Criterion: Map must start at 0
81	if (!symbolic::eq(this->map_.init(), symbolic::zero())) {	5✔
82	if (report_) report_->transform_impossible(this, "non zero start");	×
83	DEBUG_PRINTLN("Cannot apply transform: map does not start at zero");	×
84	return false;	×
85	}	×
86
87	// Criterion: Map cannot write to scalar arguments
88	for (auto& [argument, meta] : arguments) {	10✔
89	if (meta.is_scalar && meta.is_output) {	10✔
90	if (report_) report_->transform_impossible(this, "scalar output");	×
91	DEBUG_PRINTLN("Cannot apply transform: map writes to scalar argument");	×
92	return false;	×
93	}	×
94	}	10✔
95
96	// Criterion: arg ranges must be known
97	auto& mem_access_ranges = analysis_manager.get<analysis::MemAccessRanges>();	5✔
98
99	if (!arguments_analysis.argument_size_known(analysis_manager, this->map_, allow_dynamic_sizes_)) {	5✔
100	if (report_) report_->transform_impossible(this, "args not understood");	×
101	DEBUG_PRINTLN("Cannot apply transform: argument sizes not known");	×
102	return false;	×
103	}	×
104
105	// Criterion: Map cannot contain function calls with side effects (e.g. library nodes that write to memory)
106	SideEffectFinder side_effect_finder(sdfg, analysis_manager, this->map_);	5✔
107	if (side_effect_finder.visit()) {	5✔
NEW 108	if (report_) report_->transform_impossible(this, "side effects");	×
NEW 109	DEBUG_PRINTLN("Cannot apply transform: map contains library nodes with side effects");	×
NEW 110	return false;	×
NEW 111	}	×
112
113	if (report_) report_->transform_possible(this);	5✔
114	return true;	5✔
115	}	5✔
116
117	void OffloadTransform::apply(builder::StructuredSDFGBuilder& builder, analysis::AnalysisManager& analysis_manager) {	5✔
118	// Schedule
119	builder.update_schedule_type(this->map_, transformed_schedule_type());	5✔
120
121	auto& sdfg = builder.subject();	5✔
122
123	// Identify arguments and locals
124	auto& arguments_analysis = analysis_manager.get<analysis::ArgumentsAnalysis>();	5✔
125
126	auto& arguments = arguments_analysis.arguments(analysis_manager, this->map_);	5✔
127	auto& locals = arguments_analysis.locals(analysis_manager, this->map_);	5✔
128
129	// Infer subsets for arguments
130	auto& mem_access_ranges = analysis_manager.get<analysis::MemAccessRanges>();	5✔
131	auto& argument_sizes = arguments_analysis.argument_sizes(analysis_manager, this->map_, allow_dynamic_sizes_);	5✔
132
133	auto& scope_analysis = analysis_manager.get<analysis::ScopeAnalysis>();	5✔
134	auto parent_scope = static_cast<structured_control_flow::Sequence*>(scope_analysis.parent_scope(&this->map_));	5✔
135
136	std::string container_prefix = copy_prefix() + std::to_string(parent_scope->element_id()) + "_";	5✔
137
138	// Allocate arguments and locals
139	allocate_locals_on_device_stack(builder, analysis_manager, locals);	5✔
140	handle_device_setup_and_teardown(builder, arguments, argument_sizes, container_prefix);	5✔
141
142	// Copy-in arguments to device memory & allocation
143	for (auto& [argument, meta] : arguments) {	10✔
144	if (!meta.is_ptr) {	10✔
145	continue;	6✔
146	}	6✔
147	auto argument_device = container_prefix + argument;	4✔
148	auto& new_block = builder.add_block_before(*parent_scope, this->map_, {}, this->map_.debug_info());	4✔
149	auto& size = argument_sizes.at(argument);	4✔
150	copy_to_device_with_allocation(builder, argument, argument_device, size, SymEngine::null, new_block);	4✔
151	}	4✔
152
153	update_map_containers(arguments, container_prefix);	5✔
154
155	// Copy-out arguments to host memory & free
156	for (auto& [argument, meta] : arguments) {	10✔
157	if (!meta.is_ptr) {	10✔
158	continue;	6✔
159	}	6✔
160	auto argument_device = container_prefix + argument;	4✔
161	auto& new_block = builder.add_block_after(*parent_scope, this->map_, {}, this->map_.debug_info());	4✔
162	auto& size = argument_sizes.at(argument);	4✔
163	if (meta.is_output) {	4✔
164	copy_from_device_with_free(builder, new_block, argument, argument_device, size, SymEngine::null);	4✔
165	} else {	4✔
166	deallocate_device_arg(builder, new_block, argument_device, size, SymEngine::null);	×
167	}	×
168	}	4✔
169
170	if (report_) report_->transform_applied(this);	5✔
171	}	5✔
172
173	void OffloadTransform::handle_device_setup_and_teardown(
174	builder::StructuredSDFGBuilder& builder,
175
176	const std::map<std::string, analysis::RegionArgument>& arguments,
177	const std::unordered_map<std::string, symbolic::Expression>& argument_sizes,
178	std::string prefix
179	) {	5✔
180	// Add managed buffers for pointer arguments
181	for (auto& [argument, meta] : arguments) {	10✔
182	if (!meta.is_ptr \|\| builder.subject().exists(prefix + argument)) {	10✔
183	continue;	7✔
184	}	7✔
185	auto argument_device = prefix + argument;	3✔
186
187	auto arg_size = argument_sizes.at(argument);	3✔
188
189	add_device_buffer(builder, argument, argument_device, arg_size);	3✔
190	}	3✔
191	}	5✔
192
193	void OffloadTransform::
194	update_map_containers(const std::map<std::string, analysis::RegionArgument>& arguments, std::string prefix) {	5✔
195	for (auto& [argument, meta] : arguments) {	10✔
196	if (meta.is_ptr) {	10✔
197	auto argument_device = prefix + argument;	4✔
198	this->map_.replace(symbolic::symbol(argument), symbolic::symbol(argument_device));	4✔
199	}	4✔
200	}	10✔
201	}	5✔
202
203	} // namespace transformations
204	} // namespace sdfg

daisytuner / docc / 23207680822

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