diff options
| author | hjk <hjk@qt.io> | 2019-05-15 19:02:25 +0200 |
|---|---|---|
| committer | hjk <hjk@qt.io> | 2019-05-20 08:54:34 +0000 |
| commit | 97f1a1597f85006d20226104f8194cc5d1255f84 (patch) | |
| tree | 9f099e07630b18c48bd63195fc8b5dceec64f8fb /src | |
| parent | f08904c155adc8a724100dd6c3ccad53786ed069 (diff) | |
Use std::unordered_map for m_storageIndices
Makes the Ir event count go from ~8.28 billion to ~8.12 for a
Qt Creator null build.
Change-Id: I02714cd922fd9d42abe67e5115e3ffd64778f77a
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/corelib/tools/persistence.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/lib/corelib/tools/persistence.h b/src/lib/corelib/tools/persistence.h index 3688cc32f..4bda59f7c 100644 --- a/src/lib/corelib/tools/persistence.h +++ b/src/lib/corelib/tools/persistence.h @@ -171,7 +171,7 @@ private: HeadData m_headData; std::vector<void *> m_loadedRaw; std::vector<std::shared_ptr<void>> m_loaded; - QHash<const void*, int> m_storageIndices; + std::unordered_map<const void*, int> m_storageIndices; PersistentObjectId m_lastStoredObjectId = 0; std::vector<QString> m_stringStorage; @@ -198,14 +198,14 @@ template<typename T> inline void PersistentPool::storeSharedObject(const T *obje return; } const void * const addr = uniqueAddress(object); - PersistentObjectId id = m_storageIndices.value(addr, -1); - if (id < 0) { - id = m_lastStoredObjectId++; - m_storageIndices.insert(addr, id); + const auto found = m_storageIndices.find(addr); + if (found == m_storageIndices.end()) { + PersistentObjectId id = m_lastStoredObjectId++; + m_storageIndices[addr] = id; m_stream << id; store(*object); } else { - m_stream << id; + m_stream << found->second; } } |