Add lru_cache to speed up the running time of "Calculating dependencies".
In a ChromeOS use case, this patch decreases the running time from 311s to 197s with almost no memory usage increase. Signed-off-by: Pin-yen Lin <[email protected]> --- lib/_emerge/depgraph.py | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/_emerge/depgraph.py b/lib/_emerge/depgraph.py index ce6cabcc1..9649bb2a8 100644 --- a/lib/_emerge/depgraph.py +++ b/lib/_emerge/depgraph.py @@ -2240,6 +2240,7 @@ class depgraph: return None + @functools.lru_cache(maxsize=100) def _slot_operator_check_reverse_dependencies( self, existing_pkg, candidate_pkg, replacement_parent=None ): -- 2.38.1.584.g0f3c55d4c2-goog
