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tools: fast.v for fast.vlang.io

pull/2693/head
Alexander Medvednikov 2019-11-07 20:38:27 +03:00
parent b9e7d02462
commit f9e79cd73c
2 changed files with 102 additions and 0 deletions
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68
tools/fast/fast.v 100644
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// Copyright (c) 2019 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(dir)
if !os.file_exists('$vdir/v') && !os.dir_exists('$vdir/vlib') {
println('fast.html generator needs to be located in `v/tools/`')
}
println('fast.html generator\n')
// Fetch the last commit's hash
mut commit_hash := exec('git rev-parse HEAD')
commit_hash = commit_hash[..7]
mut table := os.read_file('table.html') or { '' }
// Do nothing if it's already been processed.
if table.contains(commit_hash) {
println('Commit $commit_hash has already been processed')
return
}
// Build an optimized V
println('Building vprod...')
exec('v -o $vdir/vprod -prod $vdir/v.v')
cmd := '$vdir/vprod -o v.c $vdir/v.v'
println('Warming up...')
for i in 0..3 {
os.exec(cmd) or { panic(err) }
}
println('Building...')
ticks := time.ticks()
os.exec(cmd) or { panic(err) }
diff := time.ticks() - ticks
println('Building V took ${diff}ms')
commit_date := exec('git log -n1 --pretty="format:%at"')
message := exec('git log -n1 --pretty="format:%s"')
date := time.unix(commit_date.int())
out := os.create('table.html') or { panic(err) }
// Place the new row on top
table =
'<tr>
<td>${date.format()}</td>
<td><a target=_blank href="https://github.com/vlang/v/commit/$commit_hash">$commit_hash</a></td>
<td>$message</td>
<td>${diff}ms</td>
<td>${diff}ms</td>
<td>${diff}ms</td>
</tr>\n' +
table.trim_space()
out.writeln(table)
out.close()
// Regenerate index.html
header := os.read_file('header.html') or { panic(err) }
res := os.create('index.html') or { panic(err) }
res.writeln(header)
res.writeln(table)
res.close()
}
fn exec(s string) string {
e := os.exec(s) or { panic(err) }
return e.output
}

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tools/fast/header.html 100644
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<html>
<head>
<title>fast.vlang.io</title>
<style>
*, body {
font-family: Menlo,Monospace,'Courier New';
}
table, td {
border-collapse: collapse;
border: 1px solid #dfdfdf;
}
td {
padding: 5px;
}
</style>
</head>
<body>
<h2>Is V still fast?</h2>
Monitoring the speed of the compilation for each commit. <br><br>
Running on a $3.5/mo micro instance. <br><br>
Source code: <a href='#'>fast.v</a> <br><br>
<table>
<tr>
<td></td>
<td></td>
<td style='width:400px'>Commit message</td>
<td style='width:130px'>v -o v.c</td>
<td style='width:130px'>v -o v</td>
<td style='width:130px'>v -o v -fast</td>
</tr>