js/src/devtools/octane-csv.sh

   1 #!/usr/bin/env bash
   2
   3 set -e -o pipefail
   4
   5 function echo_to_stderr {
   6     echo "$1" 1>&2
   7 }
   8
   9 function usage_and_exit {
  10     echo_to_stderr "Usage:"
  11     echo_to_stderr "    $0 <path-to-js> <number-of-iterations>"
  12     echo_to_stderr
  13     echo_to_stderr "Run octane <number-of-iterations> times, and aggregate the results"
  14     echo_to_stderr "into one CSV file, which is written to stdout."
  15     echo_to_stderr
  16     echo_to_stderr "See the js/src/devtools/plot-octane.R script for plotting the"
  17     echo_to_stderr "results."
  18     echo_to_stderr
  19     echo_to_stderr "Complete example usage with plotting:"
  20     echo_to_stderr
  21     echo_to_stderr "    \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > control.csv"
  22     echo_to_stderr
  23     echo_to_stderr "    Next, apply some patch you'd like to test."
  24     echo_to_stderr
  25     echo_to_stderr "    \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > variable.csv"
  26     echo_to_stderr "    \$ ./js/src/devtools/plot-octane.R control.csv variable.csv"
  27     echo_to_stderr
  28     echo_to_stderr "    Open Rplots.pdf to view the results."
  29     exit 1
  30 }
  31
  32 if [[ "$#" != "2" ]]; then
  33     usage_and_exit
  34 fi
  35
  36 # Get the absolute, normalized $JS path, and ensure its an executable.
  37
  38 JS_DIR=$(dirname $1)
  39 if [[ ! -d "$JS_DIR" ]]; then
  40     echo_to_stderr "error: no such directory $JS_DIR"
  41     echo_to_stderr
  42     usage_and_exit
  43 fi
  44
  45 JS=$(basename $1)
  46 cd "$JS_DIR" > /dev/null
  47 JS="$(pwd)/$JS"
  48 if [[ ! -e "$JS" ]]; then
  49     echo_to_stderr "error: '$JS' is not executable"
  50     echo_to_stderr
  51     usage_and_exit
  52 fi
  53 cd - > /dev/null
  54
  55 # Go to the js/src/octane directory.
  56
  57 cd $(dirname $0)/../octane > /dev/null
  58
  59 # Run octane and transform the results into CSV.
  60 #
  61 # Run once as a warm up, and to grab the column headers. Then run the benchmark
  62 # $ITERS times, grabbing just the data rows.
  63
  64 echo_to_stderr "Warm up"
  65 "$JS" ./run.js | grep -v -- "----" | cut -f 1 -d ':' | tr '\n' ','
  66 echo
  67
  68 ITERS=$2
  69 while [[ "$ITERS" -ge "1" ]]; do
  70     echo_to_stderr "Iterations left: $ITERS"
  71     "$JS" ./run.js | grep -v -- "----" | cut -f 2 -d ':' | tr '\n' ','
  72     echo
  73     ITERS=$((ITERS - 1))
  74 done
  75
  76 echo_to_stderr "All done :)"