90 lines
2.4 KiB
V
90 lines
2.4 KiB
V
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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import (
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os
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time
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filepath
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)
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fn main() {
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exe := os.executable()
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dir := filepath.dir(exe)
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vdir := filepath.dir(filepath.dir(dir))
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if !os.exists('$vdir/v') && !os.is_dir('$vdir/vlib') {
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println('fast.html generator needs to be located in `v/tools/fast/`')
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}
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println('fast.html generator\n')
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// Fetch the last commit's hash
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println('Fetching updates...')
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ret := os.system('git pull --rebase')
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if ret != 0 {
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println('failed to git pull')
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return
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}
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mut commit_hash := exec('git rev-parse HEAD')
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commit_hash = commit_hash[..7]
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if !os.exists('table.html') {
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os.create('table.html') or { panic(err) }
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}
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mut table := os.read_file('table.html') or { panic(err) }
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// Do nothing if it's already been processed.
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if table.contains(commit_hash) {
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println('Commit $commit_hash has already been processed')
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return
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}
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// Build an optimized V
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println('Building vprod...')
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exec('v -o $vdir/vprod -prod $vdir/v.v')
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println('Measuring...')
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diff1 := measure('$vdir/vprod -cc clang -o v.c $vdir/v.v')
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diff2 := measure('$vdir/vprod -cc clang -o v2 $vdir/v.v')
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diff3 := measure('$vdir/vprod -o v2 -fast $vdir/v.v')
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diff4 := measure('$vdir/vprod -cc clang $vdir/examples/hello_world.v')
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//println('Building V took ${diff}ms')
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commit_date := exec('git log -n1 --pretty="format:%at"')
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message := exec('git log -n1 --pretty="format:%s"')
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date := time.unix(commit_date.int())
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mut out := os.create('table.html') or { panic(err) }
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// Place the new row on top
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table =
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'<tr>
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<td>${date.format()}</td>
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<td><a target=_blank href="https://github.com/vlang/v/commit/$commit_hash">$commit_hash</a></td>
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<td>$message</td>
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<td>${diff1}ms</td>
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<td>${diff2}ms</td>
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<td>${diff3}ms</td>
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<td>${diff4}ms</td>
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</tr>\n' +
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table.trim_space()
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out.writeln(table)
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out.close()
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// Regenerate index.html
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header := os.read_file('header.html') or { panic(err) }
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footer := os.read_file('footer.html') or { panic(err) }
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mut res := os.create('index.html') or { panic(err) }
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res.writeln(header)
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res.writeln(table)
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res.writeln(footer)
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res.close()
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}
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fn exec(s string) string {
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e := os.exec(s) or { panic(err) }
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return e.output
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}
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// returns milliseconds
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fn measure(cmd string) int {
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println('Warming up...')
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for i in 0..3 {
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exec(cmd)
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}
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println('Building...')
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ticks := time.ticks()
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exec(cmd)
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return int(time.ticks() - ticks)
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}
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