Problem description IOR.

lanl · Oct 31, 2023 · 39962c6 · 39962c6
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diff --git a/doc/sphinx/09_Microbenchmarks/M6_IOR/IOR.rst b/doc/sphinx/09_Microbenchmarks/M6_IOR/IOR.rst
@@ -20,6 +20,10 @@ The github repo also contains mdtest.
 Problem
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+IOR measures parallel I/O performance at the POSIX and MPI-IO levels.
+It writes and reads files, one per rank or shared between all ranks, on a parallel file system.
+It should be run in lustre space.
+
 Run Rules
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