Updated to work with most recent angr version#3
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jorik-utwente wants to merge 2 commits intosubwire:masterfrom
Open
Updated to work with most recent angr version#3jorik-utwente wants to merge 2 commits intosubwire:masterfrom
jorik-utwente wants to merge 2 commits intosubwire:masterfrom
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Chapoly1305
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Jan 11, 2026
Implement optimizations identified in optimization_review.md: - Issue subwire#1: Precompute block attributes in LMD during initialization Caches graph traversal results (O(V+E)) for O(1) lookup per FunctionDiff. Falls back gracefully for LMDs created before this optimization. - Issue #9: Compute bidirectional distance matrix once _get_bidirectional_closest_matches computes the distance matrix once and extracts closest matches for both directions (A→B and B→A). - Issue subwire#3: Build symbol address hash table in LMD Converts O(n) symbol_for_addr lookup to O(1) hash table lookup. - Issue #5: Change recursion_list to recursion_set Uses set for O(1) membership test and removal instead of O(n) list ops. - Issue subwire#2: Add block_similarity() caching Caches similarity results to avoid recomputation for same block pairs. - Issue #8: Fix _is_better_match() duplicate distance computation Computes distance once and reuses for both comparisons. Expected improvement: 35-50% reduction in Phase 2 processing time when using LMDs with precomputed block attributes.
Chapoly1305
added a commit
to Chapoly1305/libmatch
that referenced
this pull request
Jan 11, 2026
Implement optimizations identified in optimization_review.md: - Issue subwire#1: Precompute block attributes in LMD during initialization Caches graph traversal results (O(V+E)) for O(1) lookup per FunctionDiff. Falls back gracefully for LMDs created before this optimization. - Issue #9: Compute bidirectional distance matrix once _get_bidirectional_closest_matches computes the distance matrix once and extracts closest matches for both directions (A→B and B→A). - Issue subwire#3: Build symbol address hash table in LMD Converts O(n) symbol_for_addr lookup to O(1) hash table lookup. - Issue #5: Change recursion_list to recursion_set Uses set for O(1) membership test and removal instead of O(n) list ops. - Issue subwire#2: Add block_similarity() caching Caches similarity results to avoid recomputation for same block pairs. - Issue #8: Fix _is_better_match() duplicate distance computation Computes distance once and reuses for both comparisons. Expected improvement: 35-50% reduction in Phase 2 processing time when using LMDs with precomputed block attributes.
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Two small changes that fix the project to work with the most recent version of angr.