First successful execution with SLURM

bsc/garlic/default.nix

@@ -28,6 +28,7 @@ let
     ppong-job = srunner { app=ppong; };
 
     exp = {
+
       jobs = callPackage ./experiments {
         apps = map (app: srunner {app=app;}) (
           genApps [ ppong ] (
@@ -46,7 +47,7 @@ let
         );
       };
 
-      nbody = callPackage ./experiments {
+      nbodyExp = callPackage ./experiments {
         apps = genApp nbody [
           { cc=bsc.icc;
             cflags="-march=core-avx2"; }
@@ -55,14 +56,26 @@ let
         ];
       };
 
-      nbody-blocksize = callPackage ./experiments {
+      nbodyBS = callPackage ./experiments {
         apps = genApp nbody (
           genConfigs {
             cc = [ bsc.icc ];
-            blocksize = [ "1024" "2048" ];
+            blocksize = [ 1024 2048 4096 ];
           });
       };
 
+      nbodyBSjob = callPackage ./dispatcher.nix {
+        jobs = map (app: srunner {app=app;}) (
+          genApp nbody (
+            genConfigs {
+              cc = [ bsc.icc ];
+              blocksize = [ 1024 2048 4096 ];
+            }
+          )
+        );
+      };
+
+
       # Test if there is any difference between intel -march and -xCORE
       # with target avx2.
       march = callPackage ./experiments {

bsc/garlic/dispatcher.nix

@@ -0,0 +1,32 @@
+{
+  stdenv
+, jobs
+}:
+
+stdenv.mkDerivation {
+  name = "slurm-dispatcher";
+  preferLocalBuild = true;
+
+  buildInputs = [] ++ jobs;
+  jobs = jobs;
+  phases = [ "installPhase" ];
+
+  installPhase = ''
+    mkdir -p $out/jobs
+    for j in $jobs; do
+      ln -s $j/job $out/jobs/$(basename $j)
+    done
+
+    mkdir -p $out/bin
+    cat > $out/bin/execute-all-jobs <<EOF
+    #!/bin/bash
+
+    for j in $out/jobs/*; do
+      echo "sbatch \$j"
+      sbatch \$j
+    done
+    EOF
+
+    chmod +x $out/bin/execute-all-jobs
+  '';
+}

bsc/garlic/nbody/default.nix

@@ -3,9 +3,9 @@
 , cc
 , cflags ? null
 , gitBranch
-, blocksize ? "2048"
-, particles ? "16384"
-, timesteps ? "10"
+, blocksize ? 2048
+, particles ? 16384
+, timesteps ? 10
 }:
 
 stdenv.mkDerivation {
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   makeFlags = [
     "CC=${cc.cc.CC}"
-    "BS=${blocksize}"
+    "BS=${toString blocksize}"
   ];
 
   installPhase = ''
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
 
     cat > $out/bin/run <<EOF
     #!/bin/bash
-    exec $out/bin/nbody -p ${particles} -t ${timesteps}
+    exec $out/bin/nbody -p ${toString particles} -t ${toString timesteps}
     EOF
 
     chmod +x $out/bin/run

bsc/garlic/srunner.nix

@@ -9,7 +9,7 @@
 , binary ? "/bin/run"
 , ntasks ? null
 , exclusive ? true # By default we run in exclusive mode
-, workdir ? "."
+, chdir ? "."
 , qos ? null
 , time ? null
 , output ? "job_%j.out"
@@ -42,14 +42,13 @@ stdenv.mkDerivation rec {
   dontBuild = true;
 
   installPhase = ''
-    mkdir -p $out/bin
-    cat > $out/bin/run <<EOF
+    mkdir -p $out
+    cat > $out/job <<EOF
     #!/bin/bash
     #SBATCH --job-name="${name}"
     ''
     + sbatchOpt "ntasks" ntasks
-    + sbatchOpt "ntasks" ntasks
-    + sbatchOpt "workdir" workdir
+    + sbatchOpt "chdir" chdir
     + sbatchOpt "output" output
     + sbatchOpt "error" error
     + sbatchEnable "exclusive" exclusive
@@ -62,7 +61,5 @@ stdenv.mkDerivation rec {
 
     srun ${app}${binary} ${argv}
     EOF
-
-    chmod +x $out/bin/run
   '';
 }