mirror of https://github.com/gorhill/uBlock.git
374 lines
11 KiB
HTML
374 lines
11 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
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<body style="font: 14px sans-serif">
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<h1>Benchmark of hostname-lookup data structures: Set, RegExp, HNTrie</h1>
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<p><button id="createBenchmark">Creation</button> <button id="lookupBenchmark">Lookup</button></p>
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<div id="results-0" style="white-space:pre;font-family:mono"></div>
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<div id="results-1" style="white-space:pre;font-family:mono"></div>
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<div id="results-2" style="white-space:pre;font-family:mono"></div>
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<div id="results-3" style="white-space:pre;font-family:mono"></div>
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<div id="results-4" style="white-space:pre;font-family:mono"></div>
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<div id="results-5" style="white-space:pre;font-family:mono"></div>
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<div id="results-6" style="white-space:pre;font-family:mono"></div>
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<script src="https://rawcdn.githack.com/gorhill/uBlock/e83ffde5af29bd44ae529c5a60e2506970e7af34/src/js/hntrie.js"></script>
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<script src="https://raw.githack.com/gorhill/uBlock/master/src/js/hntrie.js"></script>
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<!-- <script src="../../src/js/hntrie.js"></script> -->
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<script src="hostname-pool.js"></script>
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<script src="https://cdn.jsdelivr.net/lodash/4.17.2/lodash.min.js"></script>
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<script src="https://cdn.jsdelivr.net/platform.js/1.3.3/platform.js"></script>
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<script src="https://cdn.jsdelivr.net/benchmarkjs/2.1.2/benchmark.js"></script>
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<script>
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const randomHostname = function() {
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return hostnamePool[Math.floor(Math.random() * hostnamePool.length)];
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};
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const randomNeedle = function() {
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let needle = randomHostname();
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const pos = needle.lastIndexOf('.');
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if ( pos !== -1 ) {
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needle = Math.random().toString(36).slice(2) + needle.slice(pos);
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}
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if ( Math.random() < 0.5 ) {
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needle = Math.random().toString(36).slice(2, 6) + '.' + needle;
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}
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return needle;
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};
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// Create "domain=" sets of all sizes (from 2 to 1024 at most)
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const domainOpts = (function() {
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const domainOpts = [];
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let n = 2;
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while ( n <= 1024 ) {
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const domainOpt = [];
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for ( let i = 0; i < n; i++ ) {
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domainOpt.push(randomHostname());
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}
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domainOpts.push(domainOpt.join('|'));
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n += (n >>> 1);
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}
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return domainOpts;
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})();
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/******************************************************************************/
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var setBasedDictCreate = function(domainOpt) {
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// Only one hostname
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if ( domainOpt.indexOf('|') === -1 ) {
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if ( domainOpt.startsWith('~') ) {
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return domainOpt.slice(1);
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}
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return domainOpt;
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}
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// Multiple hostnames: use a dictionary.
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var hostnames = domainOpt.split('|');
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var i, hostname, dict;
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// First find out whether we have a homogeneous dictionary
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var hit = false, miss = false;
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i = hostnames.length;
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while ( i-- ) {
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if ( hostnames[i].startsWith('~') ) {
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miss = true;
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if ( hit ) { break; }
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} else {
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hit = true;
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if ( miss ) { break; }
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}
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}
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// Heterogenous dictionary: this can happen, though VERY rarely.
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// Spotted one occurrence in EasyList Lite (cjxlist.txt):
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// domain=photobucket.com|~secure.photobucket.com
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if ( hit && miss ) {
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dict = new Map();
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i = hostnames.length;
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while ( i-- ) {
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hostname = hostnames[i];
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if ( hostname.startsWith('~') ) {
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dict.set(hostname.slice(1), false);
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} else {
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dict.set(hostname, true);
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}
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}
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return dict;
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}
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// Homogeneous dictionary.
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if ( hit ) {
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return new Set(hostnames);
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}
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dict = new Set();
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i = hostnames.length;
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while ( i-- ) {
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dict.add(hostnames[i].slice(1));
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}
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return dict;
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};
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var setBasedDictTest = function(haystack, needle) {
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var pos;
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for (;;) {
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if ( haystack.has(needle) ) { return true; }
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pos = needle.indexOf('.');
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if ( pos === -1 ) { break; }
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needle = needle.slice(pos + 1);
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}
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return false;
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};
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/******************************************************************************/
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var regexBasedDictCreate = function(domainOpt) {
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// Only one hostname
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if ( domainOpt.indexOf('|') === -1 ) {
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if ( domainOpt.startsWith('~') ) {
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return domainOpt.slice(1);
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}
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return domainOpt;
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}
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// Many hostnames.
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var re;
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// Must be in dictionary (none negated).
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if ( domainOpt.indexOf('~') === -1 ) { // all non-negated
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re = new RegExp('(?:^|\\.)(?:' + domainOpt.replace(/\./g, '\\.') + ')$');
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re.exec('');
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return re;
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}
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// Must not be in dictionary (all negated).
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if ( reDomainOptAllNegated.test(domainOpt) ) {
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re = new RegExp('(?:^|\\.)(?:' + domainOpt.replace(/~/g, '').replace(/\./g, '\\.') + ')$');
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re.exec('');
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return re;
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}
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// Heterogenous dictionary: this can happen, though VERY rarely.
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// Spotted one occurrence in EasyList Lite (cjxlist.txt):
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// domain=photobucket.com|~secure.photobucket.com
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var hostnames = domainOpt.split('|'),
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i = hostnames.length,
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dict = new Map(),
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hostname;
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while ( i-- ) {
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hostname = hostnames[i];
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if ( hostname.startsWith('~') ) {
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dict.set(hostname.slice(1), false);
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} else {
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dict.set(hostname, true);
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}
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}
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return dict;
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};
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var reDomainOptAllNegated = /^~(?:[^\|~]+\|~)+[^\|~]+$/;
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var regexBasedDictTest = function(haystack, needle) {
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return haystack.test(needle);
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};
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/******************************************************************************/
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var oldTrieBasedDictCreate = function(domainOpt) {
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return HNTrieBuilder.fromDomainOpt(domainOpt);
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}
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var oldTrieBasedDictTest = function(haystack, needle) {
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return haystack.matches(needle);
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};
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/******************************************************************************/
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var trieBasedDictCreate = function(domainOpt) {
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return hnTrieManager.fromDomainOpt(domainOpt);
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}
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var trieBasedDictTest = function(haystack, needle) {
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return haystack.matchesJS(needle);
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};
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var trieBasedDictTestWASM = function(haystack, needle) {
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return haystack.matchesWASM(needle);
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};
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/******************************************************************************/
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const gBenchmarks = [ null ];
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let gWhich;
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/******************************************************************************/
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function stdout(which, text) {
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if ( which > 0 ) {
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which = ((which - 1) % 3) + 1;
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}
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var r = document.querySelector('#results-' + which);
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if ( text === '' ) {
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r.innerHTML = '';
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} else {
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r.innerHTML += text;
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}
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}
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function doBenchmark(which) {
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stdout(0, '');
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stdout(0, 'Benchmarking, the higher ops/sec the better.\n');
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stdout(0, Benchmark.platform.toString() + '.');
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stdout(0, '\n\n');
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stdout(1, '');
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stdout(2, '');
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stdout(3, '');
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gWhich = which;
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gBenchmarks[gWhich].run({ 'async': true });
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}
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function nextBenchmark() {
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stdout(gWhich, 'Done.\n\n');
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gWhich += 1;
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var bms = gBenchmarks[gWhich];
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if ( bms ) {
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bms.run({ 'async': true });
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}
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}
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function exitBenchmark() {
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stdout(gWhich, 'Done.\n\n');
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}
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/******************************************************************************/
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function initBenchmarks() {
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gBenchmarks.push((function() {
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let dicts = [];
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const createDict = function(fn) {
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for ( let i = 0; i < domainOpts.length; i++ ) {
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dicts[i] = fn(domainOpts[i]);
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}
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};
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var bms = new Benchmark.Suite();
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bms
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.add(' - Set-based', function() {
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createDict(setBasedDictCreate);
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})
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.add(' - Regex-based', function() {
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createDict(regexBasedDictCreate);
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})
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.add(' - Trie-based (old)', function() {
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createDict(oldTrieBasedDictCreate);
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})
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.add(' - Trie-based', function() {
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hnTrieManager.reset();
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createDict(trieBasedDictCreate);
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})
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.on('start', function() {
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dicts = [];
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stdout(gWhich, '');
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stdout(gWhich, 'Create dictionaries\n');
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})
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.on('cycle', function(event) {
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stdout(gWhich, String(event.target) + '\n');
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})
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.on('complete', exitBenchmark);
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return bms;
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})());
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const lookupCount = 100;
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gBenchmarks.push((function() {
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const bms = new Benchmark.Suite();
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const needles = [];
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let setDicts;
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let regexDicts;
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let oldTrieDicts;
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let newTrieDicts;
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let results;
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const lookupDict = function(dicts, fn) {
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for ( let i = 0; i < needles.length; i++ ) {
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const needle = needles[i];
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for ( const dict of dicts ) {
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results[i] = fn(dict, needle);
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}
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}
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};
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bms
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.add(' - Set-based', function() {
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lookupDict(setDicts, setBasedDictTest);
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})
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.add(' - Regex-based', function() {
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lookupDict(regexDicts, regexBasedDictTest);
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})
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.add(' - Trie-based (old)', function() {
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lookupDict(oldTrieDicts, oldTrieBasedDictTest);
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})
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.add(' - Trie-based JS', function() {
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lookupDict(newTrieDicts, trieBasedDictTest);
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})
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.on('start', function() {
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for ( let i = 0; i < lookupCount; i++ ) {
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needles[i] = randomNeedle();
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}
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setDicts = [];
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regexDicts = [];
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oldTrieDicts = []
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newTrieDicts = []
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results = [];
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hnTrieManager.reset();
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for ( const domainOpt of domainOpts ) {
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setDicts.push(setBasedDictCreate(domainOpt));
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regexDicts.push(regexBasedDictCreate(domainOpt));
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oldTrieDicts.push(oldTrieBasedDictCreate(domainOpt));
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newTrieDicts.push(trieBasedDictCreate(domainOpt));
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}
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stdout(gWhich, '');
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stdout(gWhich, 'Test ' + lookupCount + ' needles against ' + domainOpts.length + ' dictionaries of hostnames\n');
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})
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.on('cycle', function(event) {
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stdout(gWhich, String(event.target) + '\n');
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})
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.on('complete', ( ) => {
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setDicts = regexDicts = oldTrieDicts = newTrieDicts = results = undefined;
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hnTrieManager.reset();
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exitBenchmark();
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});
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if ( hnTrieManager.matchesWASM !== null ) {
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bms.add(' - Trie-based WASM', function() {
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lookupDict(newTrieDicts, trieBasedDictTestWASM);
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})
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}
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return bms;
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})());
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}
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/******************************************************************************/
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hnTrieManager.readyToUse().then(( ) => {
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initBenchmarks();
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});
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document.getElementById('createBenchmark').onclick = function() {
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doBenchmark(1);
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};
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document.getElementById('lookupBenchmark').onclick = function() {
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doBenchmark(2);
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};
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</script>
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</body>
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</html>
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