diff --git a/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence performance.xcscheme b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence performance.xcscheme
new file mode 100644
index 0000000..594b660
--- /dev/null
+++ b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence performance.xcscheme	
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0930"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "BD6148B72084C1250046960B"
+               BuildableName = "d-fence.app"
+               BlueprintName = "d-fence"
+               ReferencedContainer = "container:d-fence.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Release"
+      selectedDebuggerIdentifier = ""
+      selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence.xcscheme b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence.xcscheme
new file mode 100644
index 0000000..6dce6ac
--- /dev/null
+++ b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/d-fence.xcscheme
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0930"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "BD6148B72084C1250046960B"
+               BuildableName = "d-fence.app"
+               BlueprintName = "d-fence"
+               ReferencedContainer = "container:d-fence.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BD6148B72084C1250046960B"
+            BuildableName = "d-fence.app"
+            BlueprintName = "d-fence"
+            ReferencedContainer = "container:d-fence.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/xcschememanagement.plist b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/xcschememanagement.plist
index ddc6570..bd9b309 100644
--- a/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/xcschememanagement.plist
+++ b/d-fence.xcodeproj/xcuserdata/hendrikulbrich.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -4,11 +4,24 @@
 <dict>
 	<key>SchemeUserState</key>
 	<dict>
-		<key>d-fence.xcscheme</key>
+		<key>d-fence performance.xcscheme</key>
 		<dict>
 			<key>orderHint</key>
 			<integer>0</integer>
 		</dict>
+		<key>d-fence.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>1</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>BD6148B72084C1250046960B</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
 	</dict>
 </dict>
 </plist>