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Add thread compression cache.

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Observation: calls to CompressThread() are likely to be repeated with
the same value. Exploit that by storing last query and its result.
This commit is contained in:
Bartosz Taudul 2018-05-01 01:29:25 +02:00
parent ec58aa4ce1
commit 8beb1c1a39
2 changed files with 19 additions and 1 deletions
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16
server/TracyWorker.cpp
View File

@ -764,10 +764,24 @@ const Worker::SourceLocationZones& Worker::GetZonesForSourceLocation( int32_t sr
#endif
uint16_t Worker::CompressThread( uint64_t thread )
{
if( m_data.threadLast.first == thread )
{
return m_data.threadLast.second;
}
else
{
return CompressThreadReal( thread );
}
}
uint16_t Worker::CompressThreadReal( uint64_t thread )
{
auto it = m_data.threadMap.find( thread );
if( it != m_data.threadMap.end() )
{
m_data.threadLast.first = thread;
m_data.threadLast.second = it->second;
return it->second;
}
else
@ -781,6 +795,8 @@ uint16_t Worker::CompressThreadNew( uint64_t thread )
auto sz = m_data.threadExpand.size();
m_data.threadExpand.push_back( thread );
m_data.threadMap.emplace( thread, sz );
m_data.threadLast.first = thread;
m_data.threadLast.second = sz;
return sz;
}

4
server/TracyWorker.hpp
View File

@ -70,7 +70,7 @@ class Worker
struct DataBlock
{
DataBlock() : zonesCnt( 0 ), lastTime( 0 ) {}
DataBlock() : zonesCnt( 0 ), lastTime( 0 ), threadLast( std::numeric_limits<uint64_t>::max(), 0 ) {}
NonRecursiveBenaphore lock;
Vector<int64_t> frames;
@ -100,6 +100,7 @@ class Worker
flat_hash_map<uint64_t, uint16_t, nohash<uint64_t>> threadMap;
Vector<uint64_t> threadExpand;
std::pair<uint64_t, uint16_t> threadLast;
};
struct MbpsBlock
@ -239,6 +240,7 @@ private:
void HandlePostponedPlots();
StringLocation StoreString( char* str, size_t sz );
uint16_t CompressThreadReal( uint64_t thread );
uint16_t CompressThreadNew( uint64_t thread );
tracy_force_inline void ReadTimeline( FileRead& f, Vector<ZoneEvent*>& vec, uint16_t thread );