osu: add figure for latency tests

garlic/exp/osu/latency.nix

@@ -12,7 +12,7 @@
 let
   # Initial variable configuration
   varConf = with bsc; {
-    mpi = [ impi bsc.openmpi mpich ];
+    mpi = [ impi bsc.openmpi mpich ]; #psmpi ];
   };
 
   # Generate the complete configuration for each unit

garlic/fig/index.nix

@@ -40,4 +40,16 @@ in
   creams = with exp.creams; {
     ss = rPlotExp ./creams/ss.R [ ss.hybrid ss.pure ];
   };
+
+  osu = with exp.osu; {
+    #latency = pp.osu-latency latency.result;
+    latency =
+    let
+      resultJson = pp.osu-latency latency.result;
+    in
+      rPlot {
+        script = ./osu/latency.R;
+        dataset = resultJson;
+      };
+  };
 }

garlic/fig/osu/latency.R

@@ -0,0 +1,43 @@
+library(ggplot2)
+library(dplyr)
+library(scales)
+library(jsonlite)
+
+args=commandArgs(trailingOnly=TRUE)
+
+# Read the timetable from args[1]
+input_file = "input.json"
+if (length(args)>0) { input_file = args[1] }
+
+# Load the dataset in NDJSON format
+dataset = jsonlite::stream_in(file(input_file)) %>%
+	jsonlite::flatten()
+
+# We only need the nblocks and time
+df = select(dataset, config.unitName, size, latency) %>%
+	rename(unitName=config.unitName)
+
+df$unitName = as.factor(df$unitName)
+df$sizeFactor = as.factor(df$size)
+
+ppi=300
+h=8
+w=12
+
+png("latency.png", width=w*ppi, height=h*ppi, res=ppi)
+
+p = ggplot(data=df, aes(x=size, y=latency)) +
+	labs(x="Size (bytes)", y="Latency (us)",
+              title="OSU latency benchmark", 
+              subtitle=input_file) +
+	geom_boxplot(aes(color=unitName, group=interaction(unitName, sizeFactor))) +
+	scale_y_continuous(trans=log10_trans()) +
+	scale_x_continuous(trans=log2_trans()) +
+	theme_bw() +
+	theme(legend.position = c(0.15, 0.9))
+
+# Render the plot
+print(p)
+
+## Save the png image
+dev.off()

garlic/index.nix

@@ -111,6 +111,7 @@
       inherit trebuchetStage;
     });
     timetable = callPackage ./pp/timetable.nix { };
+    osu-latency = callPackage ./pp/osu-latency.nix { };
     rPlot = callPackage ./pp/rplot.nix { };
     timetableFromTrebuchet = tre: timetable (resultFromTrebuchet tre);
     mergeDatasets = callPackage ./pp/merge.nix { };

garlic/pp/osu-latency.nix

@@ -0,0 +1,31 @@
+{
+  stdenv
+, jq
+}:
+
+inputResult:
+
+stdenv.mkDerivation {
+  name = "osu-latency.json";
+  preferLocalBuild = true;
+  phases = [ "installPhase" ];
+  buildInputs = [ jq ];
+  installPhase = ''
+    touch $out
+    cd ${inputResult}
+    for exp in *-experiment; do
+      cd ${inputResult}/$exp
+      for unit in *-unit; do
+        cd ${inputResult}/$exp/$unit
+        conf=garlic_config.json
+        for run in $(ls -d [0-9]* | sort -n); do
+          awk '/^[0-9]+ +[0-9\.]+$/{print $1, $2}' $run/stdout.log | (
+            while read -r size latency; do
+              jq -cn "{ exp:\"$exp\", unit:\"$unit\", config:inputs, run:$run, \
+                size:$size, latency:$latency }" $conf >> $out
+            done)
+        done
+      done
+    done
+  '';
+}