diff --git a/.cproject b/.cproject
index c21bfd8e9..b3709d422 100644
--- a/.cproject
+++ b/.cproject
@@ -21,7 +21,7 @@
 					<folderInfo id="cdt.managedbuild.toolchain.gnu.macosx.base.1359703544.2031210194" name="/" resourcePath="">
 						<toolChain id="cdt.managedbuild.toolchain.gnu.macosx.base.677243255" name="cdt.managedbuild.toolchain.gnu.macosx.base" superClass="cdt.managedbuild.toolchain.gnu.macosx.base">
 							<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF;org.eclipse.cdt.core.MachO64" id="cdt.managedbuild.target.gnu.platform.macosx.base.752782918" name="Debug Platform" osList="macosx" superClass="cdt.managedbuild.target.gnu.platform.macosx.base"/>
-							<builder arguments="-j8" buildPath="${ProjDirPath}/build" command="make" id="cdt.managedbuild.target.gnu.builder.macosx.base.319933862" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="cdt.managedbuild.target.gnu.builder.macosx.base"/>
+							<builder buildPath="${ProjDirPath}/build" id="cdt.managedbuild.target.gnu.builder.macosx.base.319933862" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="4" superClass="cdt.managedbuild.target.gnu.builder.macosx.base"/>
 							<tool id="cdt.managedbuild.tool.macosx.c.linker.macosx.base.457360678" name="MacOS X C Linker" superClass="cdt.managedbuild.tool.macosx.c.linker.macosx.base"/>
 							<tool id="cdt.managedbuild.tool.macosx.cpp.linker.macosx.base.1011140787" name="MacOS X C++ Linker" superClass="cdt.managedbuild.tool.macosx.cpp.linker.macosx.base">
 								<option id="macosx.cpp.link.option.paths.451252615" name="Library search path (-L)" superClass="macosx.cpp.link.option.paths"/>
@@ -178,16 +178,8 @@
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
 		<project id="gtsam.null.1344331286" name="gtsam"/>
 	</storageModule>
-	<storageModule moduleId="refreshScope" versionNumber="2">
-		<configuration configurationName="Timing">
-			<resource resourceType="PROJECT" workspacePath="/gtsam"/>
-		</configuration>
-		<configuration configurationName="fast">
-			<resource resourceType="PROJECT" workspacePath="/gtsam"/>
-		</configuration>
-		<configuration configurationName="MacOSX GCC">
-			<resource resourceType="PROJECT" workspacePath="/gtsam"/>
-		</configuration>
+	<storageModule moduleId="refreshScope" versionNumber="1">
+		<resource resourceType="PROJECT" workspacePath="/gtsam"/>
 	</storageModule>
 	<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
 	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
diff --git a/.project b/.project
index 9856df2ea..9589ace56 100644
--- a/.project
+++ b/.project
@@ -23,7 +23,7 @@
 				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.buildArguments</key>
-					<value>-j5</value>
+					<value>-j4</value>
 				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.buildCommand</key>
@@ -63,7 +63,7 @@
 				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
-					<value>false</value>
+					<value>true</value>
 				</dictionary>
 			</arguments>
 		</buildCommand>