1 #!/bin/bash

     2 

     3 set -ex

     4 

     5 reference_ref=${1:-master}

     6 reference_git=${2:-.}

     7 

     8 if ! `hash benchstat 2>/dev/null`; then

     9     echo "Installing benchstat"

    10     go get golang.org/x/perf/cmd/benchstat

    11 fi

    12 

    13 tempdir=`mktemp -d /tmp/go-toml-benchmark-XXXXXX`

    14 ref_tempdir="${tempdir}/ref"

    15 ref_benchmark="${ref_tempdir}/benchmark-`echo -n ${reference_ref}|tr -s '/' '-'`.txt"

    16 local_benchmark="`pwd`/benchmark-local.txt"

    17 

    18 echo "=== ${reference_ref} (${ref_tempdir})"

    19 git clone ${reference_git} ${ref_tempdir} >/dev/null 2>/dev/null

    20 pushd ${ref_tempdir} >/dev/null

    21 git checkout ${reference_ref} >/dev/null 2>/dev/null

    22 go test -bench=. -benchmem | tee ${ref_benchmark}

    23 cd benchmark

    24 go test -bench=. -benchmem | tee -a ${ref_benchmark}

    25 popd >/dev/null

    26 

    27 echo ""

    28 echo "=== local"

    29 go test -bench=. -benchmem  | tee ${local_benchmark}

    30 cd benchmark

    31 go test -bench=. -benchmem | tee -a ${local_benchmark}

    32 

    33 echo ""

    34 echo "=== diff"

    35 benchstat -delta-test=none ${ref_benchmark} ${local_benchmark}