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#!/usr/bin/env bash
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set -e -o pipefail
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function echo_to_stderr {
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echo "$1" 1>&2
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}
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function usage_and_exit {
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echo_to_stderr "Usage:"
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echo_to_stderr " $0 <path-to-js> <number-of-iterations>"
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echo_to_stderr
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echo_to_stderr "Run octane <number-of-iterations> times, and aggregate the results"
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echo_to_stderr "into one CSV file, which is written to stdout."
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echo_to_stderr
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echo_to_stderr "See the js/src/devtools/plot-octane.R script for plotting the"
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echo_to_stderr "results."
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echo_to_stderr
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echo_to_stderr "Complete example usage with plotting:"
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echo_to_stderr
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echo_to_stderr " \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > control.csv"
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echo_to_stderr
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echo_to_stderr " Next, apply some patch you'd like to test."
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echo_to_stderr
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echo_to_stderr " \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > variable.csv"
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echo_to_stderr " \$ ./js/src/devtools/plot-octane.R control.csv variable.csv"
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echo_to_stderr
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echo_to_stderr " Open Rplots.pdf to view the results."
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exit 1
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}
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if [[ "$#" != "2" ]]; then
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usage_and_exit
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fi
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# Get the absolute, normalized $JS path, and ensure its an executable.
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JS_DIR=$(dirname $1)
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if [[ ! -d "$JS_DIR" ]]; then
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echo_to_stderr "error: no such directory $JS_DIR"
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echo_to_stderr
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usage_and_exit
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fi
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JS=$(basename $1)
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cd "$JS_DIR" > /dev/null
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JS="$(pwd)/$JS"
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if [[ ! -e "$JS" ]]; then
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echo_to_stderr "error: '$JS' is not executable"
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echo_to_stderr
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usage_and_exit
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fi
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cd - > /dev/null
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# Go to the js/src/octane directory.
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cd $(dirname $0)/../octane > /dev/null
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# Run octane and transform the results into CSV.
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#
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# Run once as a warm up, and to grab the column headers. Then run the benchmark
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# $ITERS times, grabbing just the data rows.
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echo_to_stderr "Warm up"
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"$JS" ./run.js | grep -v -- "----" | cut -f 1 -d ':' | tr '\n' ','
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echo
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ITERS=$2
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while [[ "$ITERS" -ge "1" ]]; do
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echo_to_stderr "Iterations left: $ITERS"
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"$JS" ./run.js | grep -v -- "----" | cut -f 2 -d ':' | tr '\n' ','
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echo
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ITERS=$((ITERS - 1))
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done
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echo_to_stderr "All done :)"