Tidy nbody experiment

bsc/garlic/exp/nbody/bs.nix

@@ -0,0 +1,38 @@
+{
+  bsc
+, nbody
+, genApp
+, genConfigs
+, sbatch
+, sbatchLauncher
+}:
+
+let
+  # Set the configuration for the experiment
+  config = {
+    cc = [ bsc.icc ];
+    blocksize = [ 1024 2048 4096 ];
+  };
+
+  # Compute the cartesian product of all configurations
+  configList = genConfigs config;
+  # Generate each app variant via override
+  appList = genApp nbody configList;
+
+  # Job generator helper function
+  genJobs = map (app:
+    sbatch {
+      app = app;
+      prefix = "/gpfs/projects/bsc15/nix";
+      exclusive = false;
+      ntasks = "1";
+    }
+  );
+
+  # Generate one job for each app variant
+  jobList = genJobs appList;
+
+  # And merge all jobs in a script to lauch them all with sbatch
+  launcher = sbatchLauncher jobList;
+in
+  launcher