From e975d0d5c5dd261c038764a07057d6a1c3c49ebb Mon Sep 17 00:00:00 2001
From: Flamefire <alex@grundis.de>
Date: Sat, 10 May 2014 18:35:52 +0200
Subject: [PATCH] Remove OMP usage, it leads to performance issues at runtime
 on machines with few cores (e.g. 2)

---
 PitchTracker/PitchTracker.vcxproj | 2 --
 PitchTracker/ptAKF.cpp            | 4 ----
 2 files changed, 6 deletions(-)

diff --git a/PitchTracker/PitchTracker.vcxproj b/PitchTracker/PitchTracker.vcxproj
index 65ce0ada..06c0b94c 100644
--- a/PitchTracker/PitchTracker.vcxproj
+++ b/PitchTracker/PitchTracker.vcxproj
@@ -135,7 +135,6 @@
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <FloatingPointModel>Fast</FloatingPointModel>
       <OmitFramePointers>false</OmitFramePointers>
-      <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -158,7 +157,6 @@
       <SDLCheck>true</SDLCheck>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
       <FloatingPointModel>Fast</FloatingPointModel>
-      <OpenMPSupport>true</OpenMPSupport>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/PitchTracker/ptAKF.cpp b/PitchTracker/ptAKF.cpp
index 27251d72..913e0cce 100644
--- a/PitchTracker/ptAKF.cpp
+++ b/PitchTracker/ptAKF.cpp
@@ -179,15 +179,11 @@ int PtAKF::_GetNote(float samples[_SampleCt], float* restrict maxVolume, float w
 	float maxWeight = 0.f;
 
 	//TODO: When using FFT this can be speed up a lot by only checking around the AKF peaks
-	#pragma omp parallel for schedule(static)
 	for (int toneIndex = 0; toneIndex <= _MaxHalfTone; toneIndex++){
 		float curWeight = _AnalyzeByTone(samples, samplesWindowed, toneIndex);
 
 		weights[toneIndex] = curWeight;
-	}
 
-	for (int toneIndex = 0; toneIndex <= _MaxHalfTone; toneIndex++){
-		float curWeight = weights[toneIndex];
 		if(curWeight > maxWeight){
 			maxWeight = curWeight;
 		}