saiph: add scaling experiment

garlic/exp/index.nix

@@ -34,6 +34,7 @@
   saiph = {
     numcomm = callPackage ./saiph/numcomm.nix { };
     granularity = callPackage ./saiph/granularity.nix { };
+    scaling = callPackage ./saiph/scaling.nix { };
   };
 
   creams = rec {

garlic/exp/saiph/scaling.nix

@@ -0,0 +1,73 @@
+{
+  stdenv
+, stdexp
+, bsc
+, targetMachine
+, stages
+}:
+
+with stdenv.lib;
+
+let
+  # Initial variable configuration
+  varConf = with bsc; {
+    nb = [ 1 2 4 8 16 32 64 ];
+    nodes = [ 1 2 4 ];
+    gitCommit = [
+      "3ecae7c209ec3e33d1108ae4783d7e733d54f2ca"
+    ];
+  };
+
+  # Generate the complete configuration for each unit
+  genConf = with bsc; c: targetMachine.config // rec {
+    expName = "saiph";
+    unitName = "${expName}-N${toString nodes}" +
+      "-nbx${toString nbx}-nby${toString nby}";
+
+    inherit (targetMachine.config) hw;
+
+    # saiph options
+    nbx = 1;
+    nby = c.nb;
+    nbz = c.nb;
+    mpi = impi;
+    gitBranch = "garlic/tampi+isend+oss+task+simd";
+    inherit (c) gitCommit;
+
+    # Repeat the execution of each unit 50 times
+    loops = 10;
+
+    # Resources
+    qos = "bsc_cs";
+    ntasksPerNode = 1;
+    nodes = c.nodes;
+    cpusPerTask = hw.cpusPerSocket;
+    jobName = "${unitName}";
+  };
+
+  # Compute the array of configurations
+  configs = stdexp.buildConfigs {
+    inherit varConf genConf;
+  };
+
+  exec = {nextStage, conf, ...}: with conf; stages.exec {
+    inherit nextStage;
+    env = ''
+      export OMP_NUM_THREADS=${toString hw.cpusPerSocket}
+      export ASAN_SYMBOLIZER_PATH=${bsc.clangOmpss2Unwrapped}/bin/llvm-symbolizer
+    '';
+  };
+
+  program = {nextStage, conf, ...}:
+  let
+    customPkgs = stdexp.replaceMpi conf.mpi;
+  in
+    customPkgs.apps.saiph.override {
+      inherit (conf) nbx nby nbz mpi gitBranch gitCommit;
+    };
+
+  pipeline = stdexp.stdPipeline ++ [ exec program ];
+
+in
+ 
+  stdexp.genExperiment { inherit configs pipeline; }