Commit 71889668 authored by Oleg Grenrus's avatar Oleg Grenrus

Add easy.sh

This is what I wrote, using easy.sh is easy as

    ./easy.sh /code/ghc1/_build/stage1/bin/ghc /code/ghc2/_build/stage2/bin/ghc

or even

    ./easy.sh /code/ghc1 /code/ghc2
parent 03dc0738
Pipeline #5009 passed with stage
in 6 minutes and 35 seconds
#!/bin/sh
echo '\033]0;NOFIB: starting...\007'
# Settings
#######################################################################
mode=norm
# "Library" part
#######################################################################
show_usage () {
cat <<EOF
./easy.sh - easy nofib
Usage: ./easy.sh [ -m mode ] /path/to/baseline/ghc /path/to/new/ghc"
GHC paths can point to the root of the GHC repository,
if it's build with Hadrian.
Available options:
-m MODE nofib mode: fast norm slow
This script caches the results using the sha256 of ghc executable.
Remove these files, if you want to rerun the benchmark.
EOF
}
hashoffile () {
shasum -a 256 $1 | awk '{ print $1 }'
}
# getopt
#######################################################################
while getopts 'm:' flag; do
case $flag in
m)
case $OPTARG in
slow)
mode=$OPTARG
;;
norm)
mode=$OPTARG
;;
fast)
mode=$OPTARG
;;
*)
echo "Unknown mode: $OPTARG"
show_usage
exit 1
;;
esac
;;
?) show_usage
;;
esac
done
shift $((OPTIND - 1))
if [ $# -ne 2 ]; then
echo "Expected two arguments: ghc executables or roots of source repositories"
show_usage
exit 1
fi
OLD_HC=$1
NEW_HC=$2
# Set up
#######################################################################
# Arguments can point to GHC repository roots
if [ -d $OLD_HC -a -f "$OLD_HC/_build/stage1/bin/ghc" ]; then
OLD_HC="$OLD_HC/_build/stage1/bin/ghc"
fi
if [ -d $NEW_HC -a -f "$NEW_HC/_build/stage1/bin/ghc" ]; then
NEW_HC="$NEW_HC/_build/stage1/bin/ghc"
fi
# Check we have executables
if [ ! -f $NEW_HC -a -x $OLD_HC ]; then
echo "$OLD_HC is not an executable"
exit 1
fi
if [ ! -f $NEW_HC -a -x $NEW_HC ]; then
echo "$NEW_HC is not an executable"
exit 1
fi
# Info before we get going
#######################################################################
echo "Running nofib (mode=$mode) with $OLD_HC and $NEW_HC"
echo "Running nofib (mode=$mode) with $OLD_HC and $NEW_HC" | sed 's/./-/g'
sleep 2
# Run nofib
#######################################################################
# Run with old ghc
echo '\033]0;NOFIB: old\007'
OLD_HASH=$(hashoffile $OLD_HC)
OLD_OUTPUT=result-$OLD_HASH-$mode.txt
if [ -f $OLD_OUTPUT ]; then
echo "$OLD_OUTPUT exists; not re-running."
else
echo '\033]0;NOFIB: old, cleaning...\007'
make clean
echo '\033]0;NOFIB: old, booting...\007'
make boot mode=$mode HC=$OLD_HC
echo '\033]0;NOFIB: old, benchmarking...\007'
make mode=$mode HC=$OLD_HC 2>&1 | tee $OLD_OUTPUT
fi
# Run with new ghc
echo '\033]0;NOFIB: new\007'
NEW_HASH=$(hashoffile $NEW_HC)
NEW_OUTPUT=result-$NEW_HASH-$mode.txt
if [ -f $NEW_OUTPUT ]; then
echo "$NEW_OUTPUT exists; not re-running."
else
echo '\033]0;NOFIB: new, cleaning...\007'
make clean
echo '\033]0;NOFIB: new, booting...\007'
make boot mode=$mode HC=$NEW_HC
echo '\033]0;NOFIB: new, benchmarking...\007'
make mode=$mode HC=$NEW_HC 2>&1 | tee $NEW_OUTPUT
fi
# Done
#######################################################################
echo '\033]0;NOFIB: done\007'
# Analyse
./nofib-analyse/nofib-analyse $OLD_OUTPUT $NEW_OUTPUT > report.txt
# Show report
less report.txt
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