Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 19460)
+++ trunk/ippTasks/diff.pro	(revision 19461)
@@ -164,5 +164,5 @@
     mkdir $outpath
 
-    $run = diff_skycell.pl --diff_id $DIFF_ID --outroot $outroot
+    $run = diff_skycell.pl --threads @MAX_THREADS@ --diff_id $DIFF_ID --outroot $outroot
     add_standard_args run