// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved. // Use of this source code is governed by an MIT license // that can be found in the LICENSE file. import os import time fn main() { exe := os.executable() dir := os.dir(exe) vdir := os.dir(os.dir(os.dir(dir))) if !os.exists('$vdir/v') && !os.is_dir('$vdir/vlib') { println('fast.html generator needs to be located in `v/cmd/tools/fast`') } println('fast.html generator\n') println('Fetching updates...') ret := os.system('$vdir/v up') if ret != 0 { println('failed to update V') return } // Fetch the last commit's hash commit := exec('git rev-parse HEAD')[..8] if !os.exists('table.html') { os.create('table.html') ? } mut table := os.read_file('table.html') ? if table.contains('>$commit<') { println('nothing to benchmark') exit(1) return } // for i, commit in commits { message := exec('git log --pretty=format:"%s" -n1 $commit') // println('\n${i + 1}/$commits.len Benchmarking commit $commit "$message"') println('\nBenchmarking commit $commit "$message"') // Build an optimized V // println('Checking out ${commit}...') // exec('git checkout $commit') println(' Building vprod...') exec('v -o $vdir/vprod -prod -prealloc $vdir/cmd/v') // exec('v -o $vdir/vprod $vdir/cmd/v') // for faster debugging diff1 := measure('$vdir/vprod -cc -skip-unused clang -o v.c -show-timings $vdir/cmd/v', 'v.c') mut tcc_path := 'tcc' $if freebsd { tcc_path = '/usr/local/bin/tcc' } diff2 := measure('$vdir/vprod -skip-unused -cc $tcc_path -o v2 $vdir/cmd/v', 'v2') diff3 := 0 // measure('$vdir/vprod -native $vdir/cmd/tools/1mil.v', 'native 1mil') diff4 := measure('$vdir/vprod -skip-unused -cc clang $vdir/examples/hello_world.v', 'hello.v') vc_size := os.file_size('v.c') / 1000 // scan/parse/check/cgen scan, parse, check, cgen, vlines := measure_steps(vdir) // println('Building V took ${diff}ms') commit_date := exec('git log -n1 --pretty="format:%at" $commit') date := time.unix(commit_date.int()) mut out := os.create('table.html') ? // Place the new row on top html_message := message.replace_each(['<', '<', '>', '>']) table = '