perf: swap arrays instead assigments to save allocation

knst · knst · commit eeb577b3e7c8 · 2025-07-22T22:10:43.000+07:00
diff --git a/src/evo/cbtx.cpp b/src/evo/cbtx.cpp
@@ -121,7 +121,7 @@ auto CachedGetQcHashesQcIndexedHashes(const CBlockIndex* pindexPrev, const llmq:
             }
         }
     }
-    quorums_cached = quorums;
+    std::swap(quorums_cached, quorums);
     return std::make_pair(qcHashes_cached, qcIndexedHashes_cached);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,7 @@ auto CachedGetQcHashesQcIndexedHashes(const CBlockIndex* pindexPrev, const llmq:`
`121`	`121`	`}`
`122`	`122`	`}`
`123`	`123`	`}`
`124`		`- quorums_cached = quorums;`
	`124`	`+ std::swap(quorums_cached, quorums);`
`125`	`125`	`return std::make_pair(qcHashes_cached, qcIndexedHashes_cached);`
`126`	`126`	`}`
`127`	`127`