WIP: Add mpi, omp and mpi+omp experiments. See more.

Seems that gcc compilation with OpenMP throws an error. Investigate.
I think I've forgot to add an override of mpicxx compiler backend

garlic/apps/hpcg/default.nix

@@ -1,11 +1,11 @@
 {
   stdenv
 , cc
-, mpi
-, gitBranch ? "garlic/seq"
-, makefileName ? "Linux_Serial"
+, mpi ? null
+, gitBranch
 }:
 
+with stdenv.lib;
 stdenv.mkDerivation rec {
   name = "hpcg";
 
@@ -20,8 +20,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     cc
-    mpi
-  ];
+  ]
+  ++ optional (mpi != null) mpi;
 
   makeFlags = [
     "CC=${cc.cc.CC}"
@@ -30,12 +30,6 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  configurePhase = ''
-    mkdir build
-    cd build
-    ../configure ${makefileName}
-  '';
-
   installPhase = ''
     mkdir -p $out/bin
     cp bin/* $out/bin/

garlic/exp/hpcg/mpi+omp.nix

@@ -0,0 +1,63 @@
+{
+  stdenv
+, stdexp
+, bsc
+, targetMachine
+, stages
+}:
+
+with stdenv.lib;
+
+let
+  # Initial variable configuration
+  varConf = with bsc; {
+    n = [ 104 64 ];
+  };
+
+  # Generate the complete configuration for each unit
+  genConf = with bsc; c: targetMachine.config // rec {
+    # hpcg options
+    n = c.n;
+    cc = icc;
+    mpi = impi;
+    gitBranch = "garlic/mpi+omp";
+
+    # Repeat the execution of each unit 30 times
+    loops = 30;
+
+    # Resources
+    qos = "debug";
+    ntasksPerNode = 48;
+    nodes = 1;
+    time = "02:00:00";
+    cpuBind = "sockets,verbose";
+    jobName = "hpcg-${toString n}-${gitBranch}";
+  };
+
+  # Compute the array of configurations
+  configs = stdexp.buildConfigs {
+    inherit varConf genConf;
+  };
+
+  exec = {nextStage, conf, ...}: with conf; stages.exec {
+    inherit nextStage;
+    argv = [
+      "--nx=${toString n}"
+      "--ny=${toString n}"
+      "--nz=${toString n}"
+    ];
+  };
+
+  program = {nextStage, conf, ...}: with conf;
+  let
+    customPkgs = stdexp.replaceMpi conf.mpi;
+  in
+    customPkgs.apps.hpcg.override {
+      inherit cc mpi gitBranch;
+    };
+
+  pipeline = stdexp.stdPipeline ++ [ exec program ];
+
+in
+
+  stdexp.genExperiment { inherit configs pipeline; }

garlic/exp/hpcg/mpi.nix

@@ -21,8 +21,6 @@ let
     cc = icc;
     mpi = impi;
     gitBranch = "garlic/mpi";
-    # FIXME: fix this option in the garlic/mpi git branch
-    makefileName = "MPI";
 
     # Repeat the execution of each unit 30 times
     loops = 30;
@@ -55,7 +53,7 @@ let
     customPkgs = stdexp.replaceMpi conf.mpi;
   in
     customPkgs.apps.hpcg.override {
-      inherit cc mpi gitBranch makefileName;
+      inherit cc mpi gitBranch;
     };
 
   pipeline = stdexp.stdPipeline ++ [ exec program ];

garlic/exp/hpcg/omp.nix

@@ -0,0 +1,63 @@
+{
+  stdenv
+, stdexp
+, bsc
+, targetMachine
+, stages
+}:
+
+with stdenv.lib;
+
+let
+  # Initial variable configuration
+  varConf = with bsc; {
+    n = [ 104 64 ];
+  };
+
+  # Generate the complete configuration for each unit
+  genConf = with bsc; c: targetMachine.config // rec {
+    # hpcg options
+    n = c.n;
+    cc = icc;
+    mpi = null; # TODO: Remove this for omp
+    gitBranch = "garlic/seq";
+
+    # Repeat the execution of each unit 30 times
+    loops = 30;
+
+    # Resources
+    qos = "debug";
+    ntasksPerNode = 48;
+    nodes = 1;
+    time = "02:00:00";
+    cpuBind = "sockets,verbose";
+    jobName = "hpcg-${toString n}-${gitBranch}";
+  };
+
+  # Compute the array of configurations
+  configs = stdexp.buildConfigs {
+    inherit varConf genConf;
+  };
+
+  exec = {nextStage, conf, ...}: with conf; stages.exec {
+    inherit nextStage;
+    argv = [
+      "--nx=${toString n}"
+      "--ny=${toString n}"
+      "--nz=${toString n}"
+    ];
+  };
+
+  program = {nextStage, conf, ...}: with conf;
+  let
+    customPkgs = stdexp.replaceMpi conf.mpi;
+  in
+    customPkgs.apps.hpcg.override {
+      inherit cc gitBranch;
+    };
+
+  pipeline = stdexp.stdPipeline ++ [ exec program ];
+
+in
+
+  stdexp.genExperiment { inherit configs pipeline; }

garlic/exp/hpcg/serial.nix

@@ -19,7 +19,7 @@ let
     # hpcg options
     n = c.n;
     cc = icc;
-    mpi = impi;
+    mpi = null; # TODO: Remove this for serial
     gitBranch = "garlic/seq";
 
     # Repeat the execution of each unit 30 times

overlay.nix

@@ -199,7 +199,8 @@ let
 
         hpcg = callPackage ./garlic/apps/hpcg/default.nix {
           cc = self.bsc.icc;
-          gitBranch = "garlic/seq";
+          mpi = self.bsc.impi;
+          gitBranch = "garlic/mpi+omp";
         };
 
 #        heat = callPackage ./garlic/apps/heat {
@@ -262,8 +263,8 @@ let
         hpcg = {
           serial = callPackage ./garlic/exp/hpcg/serial.nix { };
           mpi = callPackage ./garlic/exp/hpcg/mpi.nix { };
-          # omp = callPackage ./garlic/exp/hpcg/omp.nix { };
-          # mpi+omp = callPackage ./garlic/exp/hpcg/mpi+omp.nix { };
+          omp = callPackage ./garlic/exp/hpcg/omp.nix { };
+          mpi_omp = callPackage ./garlic/exp/hpcg/mpi+omp.nix { };
         };
 
         test = {