Update roadmap.md

roadmap.md

@@ -3,14 +3,17 @@ Roadmap
 
 Release 1 - 12/2019
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+* apply same license as Darshan
 * Cray Aries network counters
   * collect on each rank
-  * reduce to one record per compute node?
+  * reduce to one record per compute node vs. one per router tile
 * CPU performance counters
   * single record per process
+  * total instructions
 
 Release 2 - 03/2020
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 * MPI interface intercept
-  * counter values?
+  * counter values
+  * data reduction method