diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkGPULR.scala b/examples/src/main/scala/org/apache/spark/examples/SparkGPULR.scala
index d193abd086..e9d1c66b03 100644
--- a/examples/src/main/scala/org/apache/spark/examples/SparkGPULR.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/SparkGPULR.scala
@@ -79,7 +79,7 @@ object SparkGPULR {
     val R = 0.7  // Scaling factor
     val ITERATIONS = if (args.length > 3) args(3).toInt else 5
 
-    val ptxURL = SparkGPUPi.getClass.getResource("/SparkGPUExamples.ptx")
+    val ptxURL = SparkGPULR.getClass.getResource("/SparkGPUExamples.ptx")
     val mapFunction = sc.broadcast(
       new CUDAFunction(
       "_Z14SparkGPULR_mapPKlPKdS2_PlPdlS2_",
diff --git a/gpudev/util/args.sh b/gpudev/util/args.sh
index a60cb9e0eb..2ccf4b0c85 100644
--- a/gpudev/util/args.sh
+++ b/gpudev/util/args.sh
@@ -1,9 +1,10 @@
-DIR=../..
+DIR=$SCRIPT_DIR/../..
 #ABSOLUTE_DIR=`realpath $DIR`
 ABSOLUTE_DIR=`readlink -e $DIR`
 # might need to use -Dos.arch=ppc64le on OpenJDK in MAVEN_OPTS and JAVA_OPTS because of a bug
 export MAVEN_OPTS="$MAVEN_OPTS -Xmx32G -XX:MaxPermSize=8G -XX:ReservedCodeCacheSize=2G"
-MVN_ARGS="-Pyarn -Phadoop-2.4 -Dhadoop.version=2.4.0 -Dscala-2.11 -Phive-thriftserver -Phive"
+#MVN_ARGS="-Pyarn -Phadoop-2.4 -Dhadoop.version=2.4.0 -Dscala-2.11 -Phive-thriftserver -Phive"
+MVN_ARGS="-Pyarn -Phadoop-2.4 -Dhadoop.version=2.4.0 -Dscala-2.11"
 export JAVA_OPTS="-Xms2M -Xmx32G -XX:MaxPermSize=8G -XX:ReservedCodeCacheSize=2G"
 
 #export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-ppc64el"
diff --git a/gpudev/util/compile.sh b/gpudev/util/compile.sh
index 1da58f40db..5749f230bc 100755
--- a/gpudev/util/compile.sh
+++ b/gpudev/util/compile.sh
@@ -5,7 +5,8 @@
 # ./compile.sh full - package everything ("normal" compilation)
 # ./compile.sh clean full install - package and install everything ("normal" clean install)
 
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 echo $DIR
 cd $DIR
 
diff --git a/gpudev/util/debugtest.sh b/gpudev/util/debugtest.sh
index d721e4e7fa..f66cabae66 100755
--- a/gpudev/util/debugtest.sh
+++ b/gpudev/util/debugtest.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 jdb -attach $DBG_PORT
diff --git a/gpudev/util/embedjcudalib.sh b/gpudev/util/embedjcudalib.sh
index 7b3c5974a7..c1a3d981e6 100755
--- a/gpudev/util/embedjcudalib.sh
+++ b/gpudev/util/embedjcudalib.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 usage() {
@@ -41,19 +42,16 @@ do
 done
 shift $((OPTIND - 1))
 
-DISTASM=dist/lib/spark-assembly-${VERSION}-hadoop${HADOOP}.jar
-if [ ! -f $DISTASM ]; then
-  echo "file $DISTASM does not exist. Please check file name."
-  exit 1
-fi
-
 
 function addlib2jar {
   libdir=$2/target
   lib=lib/$4-${OS}-${ARCH}.${EXT}
-  if [ ! -f $libdir/$lib ]; then
-    echo "file $libdir/$lib does not exist. Please check file name."
-    exit 1
+  if [ ! -f "$libdir/$lib" ]; then
+    #echo "file $libdir/$lib does not exist. Please check file name." >&2
+    return 255
+  fi
+  if [ "$5" == "on" ]; then
+    echo "$1 is being processed" >& 2
   fi
   if [ $1 == "DIST" ]; then
     jar=${DISTASM}
@@ -62,24 +60,34 @@ function addlib2jar {
   fi
   if [ -e $libdir/$lib ]; then
     if [ -e $jar ]; then
-      jar uf $jar -C $libdir $lib
+      jar uf $jar -C $libdir $lib && echo "  added $lib" >&2
     fi 
-  fi 
+  fi
+  return 1 
 }
 
-for dir in *; do
-  if [ -d $dir ] && [ -f $dir/target/lib/libJCudaDrive*.so ]; then
-     echo $dir is being processed
-     addlib2jar $dir $dir jcuda libJCudaDriver
-     addlib2jar $dir $dir jcuda libJCudaRuntime
-     for lib in ublas ufft urand usolver usparse; do
-       addlib2jar $dir $dir jc${lib} libJC${lib} 
-     done
+for dir in core unsafe; do
+  if [ -d $dir ] && [ $dir != "dist" ]; then
+    addlib2jar $dir $dir jcuda libJCudaDriver on
+    if [ $? == 1 ]; then
+      addlib2jar $dir $dir jcuda libJCudaRuntime
+      for lib in ublas ufft urand usolver usparse; do
+        addlib2jar $dir $dir jc${lib} libJC${lib} 
+      done
+    fi
   fi
 done
-echo $DISTASM is being processed
-addlib2jar DIST core jcuda libJCudaDriver
-addlib2jar DIST core jcuda libJCudaRuntime
-for lib in ublas ufft urand usolver usparse; do
-  addlib2jar DIST core jc${lib} libJC${lib} 
-done
+
+DISTASM=dist/lib/spark-assembly-${VERSION}-hadoop${HADOOP}.jar
+if [ -f $DISTASM ]; then
+  addlib2jar DIST core jcuda libJCudaDriver on
+  if [ $? == 1 ]; then
+    addlib2jar DIST core jcuda libJCudaRuntime
+    for lib in ublas ufft urand usolver usparse; do
+      addlib2jar DIST core jc${lib} libJC${lib} 
+    done
+  fi
+else
+  echo "file $DISTASM does not exist. Please check file name." >&2
+fi
+
diff --git a/gpudev/util/md.log b/gpudev/util/md.log
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/gpudev/util/sbttest.sh b/gpudev/util/sbttest.sh
index 148989a501..5fe40da7b1 100755
--- a/gpudev/util/sbttest.sh
+++ b/gpudev/util/sbttest.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 # should run a test, but doesn't work
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 SCALA_TESTS=\
diff --git a/gpudev/util/scala-cc.sh b/gpudev/util/scala-cc.sh
index 2e6f20c97a..a393708ccd 100755
--- a/gpudev/util/scala-cc.sh
+++ b/gpudev/util/scala-cc.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 if [[ "$1" != "" ]]; then
diff --git a/gpudev/util/scala-console.sh b/gpudev/util/scala-console.sh
index 153706b3e7..979926a26f 100755
--- a/gpudev/util/scala-console.sh
+++ b/gpudev/util/scala-console.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR/core
 trap '' 2
 export LD_LIBRARY_PATH="target/lib:$LD_LIBRARY_PATH"
diff --git a/gpudev/util/testall.sh b/gpudev/util/testall.sh
index 22f5f466e5..b98a50e47f 100755
--- a/gpudev/util/testall.sh
+++ b/gpudev/util/testall.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 $MVN_CMD $MVN_ARGS -DtagsToExclude=$EXCL_TAGS --fail-never test $@ 2>&1 | tee ~/testlog-all.txt
diff --git a/gpudev/util/testcore.sh b/gpudev/util/testcore.sh
index 391c90505e..bb8116520e 100755
--- a/gpudev/util/testcore.sh
+++ b/gpudev/util/testcore.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 $MVN_CMD $MVN_ARGS -DtagsToExclude=$EXCL_TAGS --fail-at-end test -pl core $@ 2>&1 | tee ~/testlog-core.txt
diff --git a/gpudev/util/testdev.sh b/gpudev/util/testdev.sh
index 50e9a41e4f..c4a163e7c0 100755
--- a/gpudev/util/testdev.sh
+++ b/gpudev/util/testdev.sh
@@ -2,7 +2,8 @@
 # run only the tests being worked on
 # ./testdev.sh compile also compiles the stuff before
 # ./testdev.sh debug waits for attachment of a scala debugger
-source args.sh
+SCRIPT_DIR=$(cd $(dirname $(readlink -f $0 || echo $0));pwd -P)
+source $SCRIPT_DIR/args.sh
 cd $DIR
 
 SCALA_TESTS=\