in 1bash change  USE_ENVIRONMENTAL_VARIBLES from "NO"  to "YES"
USE_ENVIRONMENTAL_VARIBLES="YES"   #YES  NO

they have some code below aready in 1bash
if [ $USE_ENVIRONMENTAL_VARIBLES == "YES" ]
then
export GPU_FORCE_64BIT_PTR="0"
export GPU_MAX_HEAP_SIZE="100"
export GPU_USE_SYNC_OBJECTS="1"
export GPU_MAX_ALLOC_PERCENT="100"
echo ""
echo ENVIRONMENTAL VARIBLES SET
fi