gentoo/eclass/tests/python-utils-bench.sh
Ulrich Müller dfbc5ab206
eclass/tests: Make *-bench.sh work with reference dc
dc from sys-devel/bc doesn't support the -S option. Set the precision
with the k command instead.

Signed-off-by: Ulrich Müller <ulm@gentoo.org>
2024-06-12 17:31:47 +02:00

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#!/bin/bash
# Copyright 2023-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
source tests-common.sh || exit
export LC_ALL=C
ITERATIONS=10000
RUNS=3
doit() {
local i
for (( i = 0; i < ITERATIONS; i++ )); do
"${@}"
done
}
timeit() {
local real=()
local user=()
local x vr avg
einfo "Timing ${*}"
for (( x = 0; x < RUNS; x++ )); do
while read tt tv; do
case ${tt} in
real) real+=( ${tv} );;
user) user+=( ${tv} );;
esac
done < <( ( time -p doit "${@}" ) 2>&1 )
done
[[ ${#real[@]} == ${RUNS} ]] || die "Did not get ${RUNS} real times"
[[ ${#user[@]} == ${RUNS} ]] || die "Did not get ${RUNS} user times"
local xr avg
for x in real user; do
xr="${x}[*]"
avg=$(dc -e "3 k ${ITERATIONS} ${RUNS} * ${!xr} + + / p")
printf '%s %4.0f it/s\n' "${x}" "${avg}"
done
}
PYTHON_COMPAT=( python3_{10..12} pypy3 )
inherit python-utils-r1
timeit _python_set_impls
texit