Reduce System.nanoTime() calls when profiling is enabled.

Signed-off-by: Ross Allan <rallanpcl@gmail.com>
MinimallyCorrect · Jul 8, 2013 · d1e66ed · d1e66ed
1 parent 005ad33
commit d1e66ed
Showing 1 changed file with 3 additions and 5 deletions.
diff --git a/src/common/nallar/tickthreading/minecraft/tickregion/TileEntityTickRegion.java b/src/common/nallar/tickthreading/minecraft/tickregion/TileEntityTickRegion.java
@@ -29,7 +29,7 @@ public void doTick() {
 		Lock xMinusLock;
 		Lock zPlusLock;
 		Lock zMinusLock;
-		long startTime = 0;
+		long startTime = profilingEnabled ? System.nanoTime() : 0;
 		// Locking calls are manipulated by the patcher,
 		// INVOKEVIRTUAL java.util.concurrent.locks.Lock.lock/unlock() calls are replaced with
 		// MONITORENTER/MONITOREXIT instructions.
@@ -41,9 +41,6 @@ public void doTick() {
 		final Iterator<TileEntity> tileEntitiesIterator = tileEntitySet.startIteration();
 		try {
 			while (tileEntitiesIterator.hasNext()) {
-				if (profilingEnabled) {
-					startTime = System.nanoTime();
-				}
 				final TileEntity tileEntity = tileEntitiesIterator.next();
 				final int xPos = tileEntity.xCoord;
 				final int zPos = tileEntity.zCoord;
@@ -118,7 +115,8 @@ public void doTick() {
 					}
 
 					if (profilingEnabled) {
-						entityTickProfiler.record(tileEntity, System.nanoTime() - startTime);
+						long oldStartTime = startTime;
+						entityTickProfiler.record(tileEntity, (startTime = System.nanoTime()) - oldStartTime);
 					}
 				}
 			}