First attempt to create an experiment with CREAMS: strong scaling from 1 to 16 nodes using the pure MPI version

garlic/creams/default.nix

@@ -2,23 +2,39 @@
   stdenv
 , nanos6
 , mpi
+, openmpi
+, impi
 , tampi
 , mcxx
-, icc
+, cc
+, gitBranch
 }:
 
+assert (mpi == impi || mpi == openmpi);
+
+let
+  mpiName = (if mpi == openmpi then
+    "OpenMPI"
+  else
+    "IntelMPI");
+
+in
 stdenv.mkDerivation rec {
   name = "creams";
 
+  # src = /home/Computational/pmartin1/creams-simplified;
+
   src = builtins.fetchGit {
     url = "ssh://git@bscpm02.bsc.es/pmartin1/creams-simplified.git";
-    ref = "MPI+OmpSs-2+TAMPI";
+    ref = "${gitBranch}";
   };
 
+  programPath = "/bin/creams.exe";
+
   buildInputs = [
     nanos6
     mpi
-    icc
+    cc
     tampi
     mcxx
   ];
@@ -27,12 +43,18 @@ stdenv.mkDerivation rec {
 
   configurePhase = ''
     export TAMPI_HOME=${tampi}
+
     . etc/bashrc
+    #export FORTRAN_COMPILER=GNU # GCC compiler
+    export MPI_LIB=${mpiName}
+
+    echo
+
+    CREAMS_UPDATE_ENVIRONMENT
   '';
 
   installPhase = ''
     mkdir -p $out/bin
     cp -a build/* $out/bin
   '';
-
 }

garlic/creams/input.nix

@@ -0,0 +1,27 @@
+{
+  stdenv
+, nodes
+, gitBranch
+}:
+
+stdenv.mkDerivation rec {
+  name = "creams-input";
+
+  # src = /home/Computational/pmartin1/creams-simplified;
+
+  src = builtins.fetchGit {
+    url = "ssh://git@bscpm02.bsc.es/pmartin1/creams-simplified.git";
+    ref = "${gitBranch}";
+  };
+
+  phases = [ "unpackPhase" "installPhase" ];
+  
+  installPhase = ''
+    pushd SodTubeBenchmark
+      bash gridScript.sh 0 0 $((${toString nodes}*48)) 0
+    popd
+
+    mkdir -p $out
+    cp -a SodTubeBenchmark $out/
+  '';
+}