Reserve memory for hash_map

vgteam · Dec 18, 2024 · c88b64a · c88b64a · adamnovak · Dec 19, 2024
1 parent fcd3150
commit c88b64a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/subcommand/minimizer_main.cpp b/src/subcommand/minimizer_main.cpp
@@ -360,6 +360,7 @@ int main_minimizer(int argc, char** argv) {
 
     //Map node id to what gets stored in the payload - either the zipcode or index into oversized_zipcodes
     hash_map<vg::id_t, gbwtgraph::Payload> node_id_to_payload;
+    node_id_to_payload.reserve(gbz->graph.max_node_id() - gbz->graph.min_node_id());
 
     // Build the index.
     if (progress) {