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#!/bin/bash
# download the code and all its dependencies
_go_get() {
go get -u \
github.com/hashicorp/go-msgpack/v2/codec \
github.com/hashicorp/go-msgpack/v2/codec/codecgen \
github.com/tinylib/msgp/msgp \
github.com/tinylib/msgp \
github.com/pquerna/ffjson/ffjson \
github.com/pquerna/ffjson \
github.com/Sereal/Sereal/Go/sereal \
github.com/davecgh/go-xdr/xdr2 \
gopkg.in/mgo.v2/bson \
gopkg.in/vmihailenco/msgpack.v2 \
github.com/json-iterator/go \
github.com/mailru/easyjson/...
go install github.com/tinylib/msgp@latest
go get github.com/mailru/easyjson && go install github.com/mailru/easyjson/...@latest
go install github.com/pquerna/ffjson@latest
}
# add generated tag to the top of each file
_prependbt() {
cat > ${2} <<EOF
// +build generated
EOF
cat ${1} >> ${2}
rm -f ${1}
}
# To run the full suite of benchmarks, including executing against the external frameworks
# listed above, you MUST first run code generation for the frameworks that support it.
#
# If you want to run the benchmarks against code generated values.
# Then first generate the code generated values from values_test.go named typed.
# we cannot normally read a _test.go file, so temporarily copy it into a readable file.
_gen() {
local zsfx="_generated_test.go"
# local z=`pwd`
# z=${z%%/src/*}
# Note: ensure you run the codecgen for this codebase
cp values_test.go v.go &&
echo "codecgen ..." &&
codecgen -nx -rt codecgen -t 'codecgen generated' -o values_codecgen${zsfx} -d 19780 v.go &&
echo "msgp ... " &&
msgp -unexported -tests=false -o=m9.go -file=v.go &&
_prependbt m9.go values_msgp${zsfx} &&
echo "easyjson ... " &&
easyjson -all -no_std_marshalers -omit_empty -output_filename e9.go v.go &&
_prependbt e9.go values_easyjson${zsfx} &&
echo "ffjson ... " &&
ffjson -force-regenerate -reset-fields -w f9.go v.go &&
_prependbt f9.go values_ffjson${zsfx} &&
sed -i '' -e 's+ MarshalJSON(+ _MarshalJSON(+g' values_ffjson${zsfx} &&
sed -i '' -e 's+ UnmarshalJSON(+ _UnmarshalJSON(+g' values_ffjson${zsfx} &&
rm -f easyjson-bootstrap*.go ffjson-inception* &&
rm -f v.go &&
echo "... DONE"
}
# run the full suite of tests
#
# Basically, its a sequence of
# go test -tags "alltests x safe codecgen generated" -bench "CodecSuite or AllSuite or XSuite" -benchmem
#
_suite() {
local t="alltests x"
local a=( "" "codecgen" )
local b=( "generated" )
for i in "${a[@]}"
do
echo ">>>> bench TAGS: '$t $i' SUITE: BenchmarkCodecXSuite"
go test -run Nothing -tags "$t $i" -bench BenchmarkCodecXSuite -benchmem "$@"
done
for i in "${b[@]}"
do
echo ">>>> bench TAGS: '$t $i' SUITE: BenchmarkCodecXGenSuite"
go test -run Nothing -tags "$t $i" -bench BenchmarkCodecXGenSuite -benchmem "$@"
done
}
_usage() {
echo "usage: bench.sh -[dcs] for [download, code-generate and suite-of-tests] respectively"
}
_main() {
if [[ "$1" == "" ]]
then
_usage
return 1
fi
while getopts "dcs" flag
do
case "x$flag" in
'xd') shift; _go_get "$@" ;;
'xc') shift; _gen "$@" ;;
'xs') shift; _suite "$@" ;;
*) shift; _usage; return 1 ;;
esac
done
# shift $((OPTIND-1))
}
if [ "." = `dirname $0` ]
then
_main "$@"
else
echo "bench.sh must be run from the directory it resides in"
_usage
fi