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Codechange: Use vectors instead of CallocT/free for cache checks. (#12619) 

Vectors are reused for each vehicle chain to save on reallocations.
This commit is contained in:
Peter Nelson 2024-05-04 09:42:20 +01:00 committed by GitHub
parent 115ac2629b
commit f629d3c921
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GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 20 deletions
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35
src/cachecheck.cpp
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@ -79,34 +79,29 @@ void CheckCaches()
rs->GetEntry(DIAGDIR_NW)->CheckIntegrity(rs);
}
std::vector<NewGRFCache> grf_cache;
std::vector<VehicleCache> veh_cache;
std::vector<GroundVehicleCache> gro_cache;
std::vector<TrainCache> tra_cache;
for (Vehicle *v : Vehicle::Iterate()) {
if (v != v->First() || v->vehstatus & VS_CRASHED || !v->IsPrimaryVehicle()) continue;
uint length = 0;
for (const Vehicle *u = v; u != nullptr; u = u->Next()) length++;
NewGRFCache *grf_cache = CallocT<NewGRFCache>(length);
VehicleCache *veh_cache = CallocT<VehicleCache>(length);
GroundVehicleCache *gro_cache = CallocT<GroundVehicleCache>(length);
TrainCache *tra_cache = CallocT<TrainCache>(length);
length = 0;
for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
FillNewGRFVehicleCache(u);
grf_cache[length] = u->grf_cache;
veh_cache[length] = u->vcache;
grf_cache.emplace_back(u->grf_cache);
veh_cache.emplace_back(u->vcache);
switch (u->type) {
case VEH_TRAIN:
gro_cache[length] = Train::From(u)->gcache;
tra_cache[length] = Train::From(u)->tcache;
gro_cache.emplace_back(Train::From(u)->gcache);
tra_cache.emplace_back(Train::From(u)->tcache);
break;
case VEH_ROAD:
gro_cache[length] = RoadVehicle::From(u)->gcache;
gro_cache.emplace_back(RoadVehicle::From(u)->gcache);
break;
default:
break;
}
length++;
}
switch (v->type) {
@ -117,7 +112,7 @@ void CheckCaches()
default: break;
}
length = 0;
uint length = 0;
for (const Vehicle *u = v; u != nullptr; u = u->Next()) {
FillNewGRFVehicleCache(u);
if (grf_cache[length] != u->grf_cache) {
@ -146,10 +141,10 @@ void CheckCaches()
length++;
}
free(grf_cache);
free(veh_cache);
free(gro_cache);
free(tra_cache);
grf_cache.clear();
veh_cache.clear();
gro_cache.clear();
tra_cache.clear();
}
/* Check whether the caches are still valid */