From ebd947c5447d39370f434f43ac1a13f1f18144b8 Mon Sep 17 00:00:00 2001
From: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>
Date: Tue, 22 Sep 2020 18:02:32 +0200
Subject: [PATCH] Set default mpi implementation to Intel MPI

---
 overlay.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/overlay.nix b/overlay.nix
index d367137..5b836ec 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -13,7 +13,7 @@ let
   bsc = {
     # Default MPI implementation to use. Will be overwritten by the
     # experiments.
-    mpi = self.bsc.openmpi;
+    mpi = self.bsc.impi;
 
     perf = callPackage ./bsc/perf/default.nix {
       kernel = self.linuxPackages_4_9.kernel;