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perf(server): hold 20 TPS at 50-player scale

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itsRevela
2026-04-25 13:42:29 -05:00
parent 18a08ec693
commit ce9ffefba6
11 changed files with 487 additions and 32 deletions
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54
Minecraft.Client/ServerConnection.cpp
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@@ -13,6 +13,8 @@
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
#include "../Minecraft.Server/Security/SecurityConfig.h"
#include "../Minecraft.Server/ServerLogManager.h"
#include "../Minecraft.Server/ServerLogger.h"
#include "../Minecraft.World/System.h"
#endif
ServerConnection::ServerConnection(MinecraftServer *server)
@@ -129,16 +131,45 @@ void ServerConnection::tick()
vector< shared_ptr<PlayerConnection> > tempPlayers = players;
LeaveCriticalSection(&players_cs);
for (unsigned int i = 0; i < tempPlayers.size(); i++)
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
// Substep timing for chunk / tick / flush across all players.
LARGE_INTEGER scFreq, scA, scB, scC, scD;
QueryPerformanceFrequency(&scFreq);
int64_t sc_chunkUs = 0;
int64_t sc_tickUs = 0;
int64_t sc_flushUs = 0;
int64_t sc_loopT0 = System::currentTimeMillis();
#endif
// Rotate the per-tick start offset so the chunk-send cap doesn't
// starve players at the back of the vector.
static unsigned int s_chunkRotationOffset = 0;
s_chunkRotationOffset++;
size_t playerCount = tempPlayers.size();
size_t startIdx = playerCount > 0 ? (s_chunkRotationOffset % playerCount) : 0;
for (unsigned int k = 0; k < tempPlayers.size(); k++)
{
unsigned int i = (unsigned int)((startIdx + k) % playerCount);
shared_ptr<PlayerConnection> player = tempPlayers[i];
shared_ptr<ServerPlayer> serverPlayer = player->getPlayer();
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
QueryPerformanceCounter(&scA);
#endif
if( serverPlayer )
{
serverPlayer->updateFrameTick();
serverPlayer->doChunkSendingTick(false);
}
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
QueryPerformanceCounter(&scB);
sc_chunkUs += (scB.QuadPart - scA.QuadPart) * 1000000 / scFreq.QuadPart;
#endif
player->tick();
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
QueryPerformanceCounter(&scC);
sc_tickUs += (scC.QuadPart - scB.QuadPart) * 1000000 / scFreq.QuadPart;
#endif
if (player->done)
{
EnterCriticalSection(&players_cs);
@@ -150,7 +181,28 @@ void ServerConnection::tick()
{
player->connection->flush();
}
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
QueryPerformanceCounter(&scD);
sc_flushUs += (scD.QuadPart - scC.QuadPart) * 1000000 / scFreq.QuadPart;
#endif
}
#if defined(_WINDOWS64) && defined(MINECRAFT_SERVER_BUILD)
int64_t sc_loopTotal = System::currentTimeMillis() - sc_loopT0;
if (sc_loopTotal > 50)
{
ServerRuntime::LogInfof("perf",
"conn playerLoop total=%lldms players=%d chunkUs=%lld tickUs=%lld flushUs=%lld | avg chunk=%lld tick=%lld flush=%lld",
(long long)sc_loopTotal,
(int)tempPlayers.size(),
(long long)sc_chunkUs,
(long long)sc_tickUs,
(long long)sc_flushUs,
tempPlayers.size() > 0 ? (long long)(sc_chunkUs / tempPlayers.size()) : 0LL,
tempPlayers.size() > 0 ? (long long)(sc_tickUs / tempPlayers.size()) : 0LL,
tempPlayers.size() > 0 ? (long long)(sc_flushUs / tempPlayers.size()) : 0LL);
}
#endif
}
}