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Speed up emerge thread by using unordered map in a few places. Looking at 25% speedup in Emerge thread on Just Test.

This commit is contained in:
gregorycu 2016-10-09 00:08:35 +11:00 committed by Ner'zhul
parent 3de9ae4e60
commit 9393e4a0a8
1 changed files with 6 additions and 6 deletions
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12
src/nodedef.cpp
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@ -810,12 +810,12 @@ private:
// item aliases too. Updated by updateAliases() // item aliases too. Updated by updateAliases()
// Note: Not serialized. // Note: Not serialized.
std::map<std::string, content_t> m_name_id_mapping_with_aliases; UNORDERED_MAP<std::string, content_t> m_name_id_mapping_with_aliases;
// A mapping from groups to a list of content_ts (and their levels) // A mapping from groups to a list of content_ts (and their levels)
// that belong to it. Necessary for a direct lookup in getIds(). // that belong to it. Necessary for a direct lookup in getIds().
// Note: Not serialized. // Note: Not serialized.
std::map<std::string, GroupItems> m_group_to_items; UNORDERED_MAP<std::string, GroupItems> m_group_to_items;
// Next possibly free id // Next possibly free id
content_t m_next_id; content_t m_next_id;
@ -938,7 +938,7 @@ inline const ContentFeatures& CNodeDefManager::get(const MapNode &n) const
bool CNodeDefManager::getId(const std::string &name, content_t &result) const bool CNodeDefManager::getId(const std::string &name, content_t &result) const
{ {
std::map<std::string, content_t>::const_iterator UNORDERED_MAP<std::string, content_t>::const_iterator
i = m_name_id_mapping_with_aliases.find(name); i = m_name_id_mapping_with_aliases.find(name);
if(i == m_name_id_mapping_with_aliases.end()) if(i == m_name_id_mapping_with_aliases.end())
return false; return false;
@ -968,7 +968,7 @@ bool CNodeDefManager::getIds(const std::string &name,
} }
std::string group = name.substr(6); std::string group = name.substr(6);
std::map<std::string, GroupItems>::const_iterator UNORDERED_MAP<std::string, GroupItems>::const_iterator
i = m_group_to_items.find(group); i = m_group_to_items.find(group);
if (i == m_group_to_items.end()) if (i == m_group_to_items.end())
return true; return true;
@ -1050,7 +1050,7 @@ content_t CNodeDefManager::set(const std::string &name, const ContentFeatures &d
i != def.groups.end(); ++i) { i != def.groups.end(); ++i) {
std::string group_name = i->first; std::string group_name = i->first;
std::map<std::string, GroupItems>::iterator UNORDERED_MAP<std::string, GroupItems>::iterator
j = m_group_to_items.find(group_name); j = m_group_to_items.find(group_name);
if (j == m_group_to_items.end()) { if (j == m_group_to_items.end()) {
m_group_to_items[group_name].push_back( m_group_to_items[group_name].push_back(
@ -1086,7 +1086,7 @@ void CNodeDefManager::removeNode(const std::string &name)
} }
// Erase node content from all groups it belongs to // Erase node content from all groups it belongs to
for (std::map<std::string, GroupItems>::iterator iter_groups = for (UNORDERED_MAP<std::string, GroupItems>::iterator iter_groups =
m_group_to_items.begin(); m_group_to_items.begin();
iter_groups != m_group_to_items.end();) { iter_groups != m_group_to_items.end();) {
GroupItems &items = iter_groups->second; GroupItems &items = iter_groups->second;