+$query_diff = urlencode("
+Time diff:
+@@@
+select
+ b1.test as test, b1.timeuser as oldtime, b2.timeuser as newtime, b1.compilation as comp, b1.options as opts,
+ (b2.timeuser - b1.timeuser) as diff
+from
+ bench as b1, bench as b2
+where
+ b1.test = b2.test and
+ b1.options = b2.options and
+ b1.compilation = b2.compilation and
+ b1.mark = '$before_last_mark' and b2.mark= '$last_mark' and
+ ABS(b2.timeuser - b1.timeuser) > 100
+order by diff desc***");
+