316 lines
13 KiB
HTML
316 lines
13 KiB
HTML
<!doctype html>
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<html lang="en-us">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
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<link rel="stylesheet" href="common/emscripten.css"/>
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<link rel="stylesheet" href="common/testing.css"/>
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<title>speedtest1.wasm Worker</title>
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</head>
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<body>
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<header id='titlebar'>speedtest1.wasm Worker</header>
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<div>See also: <a href='speedtest1.html'>A main-thread variant of this page.</a></div>
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<!-- emscripten bits -->
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<figure id="module-spinner">
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<div class="spinner"></div>
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<div class='center'><strong>Initializing app...</strong></div>
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<div class='center'>
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On a slow internet connection this may take a moment. If this
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message displays for "a long time", intialization may have
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failed and the JavaScript console may contain clues as to why.
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</div>
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</figure>
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<div class="emscripten" id="module-status">Downloading...</div>
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<div class="emscripten">
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<progress value="0" max="100" id="module-progress" hidden='1'></progress>
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</div><!-- /emscripten bits -->
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<fieldset id='ui-controls' class='hidden'>
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<legend>Options</legend>
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<div id='toolbar'>
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<div id='toolbar-select'>
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<select id='select-flags' size='10' multiple></select>
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<div>TODO? Options which require values are not represented here.</div>
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</div>
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<div class='toolbar-inner-vertical' id='toolbar-selected-flags'>
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<button id='btn-reset-flags'>Reset Flags</button>
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<button id='btn-output-clear'>Clear output</button>
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<button id='btn-run'>Run</button>
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</div>
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<div class='toolbar-inner-vertical' id='toolbar-runner-controls'>
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<button id='btn-reset-flags'>Reset Flags</button>
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<button id='btn-output-clear'>Clear output</button>
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<button id='btn-run'>Run</button>
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</div>
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</div>
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</fieldset>
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<div>
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<span class='input-wrapper'>
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<input type='checkbox' class='disable-during-eval' id='cb-reverse-log-order' checked></input>
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<label for='cb-reverse-log-order' id='lbl-reverse-log-order'>Reverse log order</label>
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</span>
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</div>
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<div id='test-output'></div>
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<style>
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#test-output {
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white-space: break-spaces;
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overflow: auto;
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}
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#toolbar {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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}
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#toolbar > * {
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margin: 0 0.5em;
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}
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.toolbar-inner-vertical {
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display: flex;
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flex-direction: column;
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justify-content: space-between;
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}
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#toolbar-select {
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display: flex;
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flex-direction: column;
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}
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.toolbar-inner-vertical > *, #toolbar-select > * {
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margin: 0.2em 0;
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}
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#select-flags > option {
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white-space: pre;
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font-family: monospace;
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}
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fieldset {
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border-radius: 0.5em;
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}
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#toolbar-runner-controls { flex-grow: 1 }
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#toolbar-runner-controls > * { flex: 1 0 auto }
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#toolbar-selected-flags::before {
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font-family: initial;
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content:"Selected flags: ";
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}
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#toolbar-selected-flags {
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font-family: monospace;
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justify-content: flex-start;
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}
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</style>
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<script>(function(){
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'use strict';
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const E = (sel)=>document.querySelector(sel);
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const eOut = E('#test-output');
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const log2 = function(cssClass,...args){
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let ln;
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if(1 || cssClass){
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ln = document.createElement('div');
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if(cssClass) ln.classList.add(cssClass);
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ln.append(document.createTextNode(args.join(' ')));
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}else{
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// This doesn't work with the "reverse order" option!
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ln = document.createTextNode(args.join(' ')+'\n');
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}
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eOut.append(ln);
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};
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const log = (...args)=>{
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//console.log(...args);
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log2('', ...args);
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};
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const logErr = function(...args){
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//console.error(...args);
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log2('error', ...args);
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};
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const logWarn = function(...args){
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//console.warn(...args);
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log2('warning', ...args);
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};
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const spacePad = function(str,len=18){
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if(str.length===len) return str;
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else if(str.length>len) return str.substr(0,len);
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const a = []; a.length = len - str.length;
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return str+a.join(' ');
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};
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// OPTION elements seem to ignore white-space:pre, so do this the hard way...
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const nbspPad = function(str,len=18){
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if(str.length===len) return str;
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else if(str.length>len) return str.substr(0,len);
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const a = []; a.length = len - str.length;
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return str+a.join(' ');
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};
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const W = new Worker("speedtest1-worker.js");
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const mPost = function(msgType,payload){
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W.postMessage({type: msgType, data: payload});
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};
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const eFlags = E('#select-flags');
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const eSelectedFlags = E('#toolbar-selected-flags');
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const getSelectedFlags = ()=>Array.prototype.map.call(eFlags.selectedOptions, (v)=>v.value);
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const updateSelectedFlags = function(){
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eSelectedFlags.innerText = '';
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getSelectedFlags().forEach(function(f){
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const e = document.createElement('span');
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e.innerText = f;
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eSelectedFlags.appendChild(e);
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});
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};
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eFlags.addEventListener('change', updateSelectedFlags );
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{
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const flags = Object.create(null);
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/* TODO? Flags which require values need custom UI
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controls and some of them make little sense here
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(e.g. --script FILE). */
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flags["autovacuum"] = "Enable AUTOVACUUM mode";
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//flags["cachesize"] = "N Set the cache size to N";
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flags["checkpoint"] = "Run PRAGMA wal_checkpoint after each test case";
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flags["exclusive"] = "Enable locking_mode=EXCLUSIVE";
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flags["explain"] = "Like --sqlonly but with added EXPLAIN keywords";
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//flags["heap"] = "SZ MIN Memory allocator uses SZ bytes & min allocation MIN";
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flags["incrvacuum"] = "Enable incremenatal vacuum mode";
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//flags["journal"] = "M Set the journal_mode to M";
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//flags["key"] = "KEY Set the encryption key to KEY";
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//flags["lookaside"] = "N SZ Configure lookaside for N slots of SZ bytes each";
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flags["memdb"] = "Use an in-memory database";
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//flags["mmap"] = "SZ MMAP the first SZ bytes of the database file";
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flags["multithread"] = "Set multithreaded mode";
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flags["nomemstat"] = "Disable memory statistics";
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flags["nosync"] = "Set PRAGMA synchronous=OFF";
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flags["notnull"] = "Add NOT NULL constraints to table columns";
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//flags["output"] = "FILE Store SQL output in FILE";
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//flags["pagesize"] = "N Set the page size to N";
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//flags["pcache"] = "N SZ Configure N pages of pagecache each of size SZ bytes";
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//flags["primarykey"] = "Use PRIMARY KEY instead of UNIQUE where appropriate";
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//flags["repeat"] = "N Repeat each SELECT N times (default: 1)";
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flags["reprepare"] = "Reprepare each statement upon every invocation";
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//flags["reserve"] = "N Reserve N bytes on each database page";
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//flags["script"] = "FILE Write an SQL script for the test into FILE";
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flags["serialized"] = "Set serialized threading mode";
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flags["singlethread"] = "Set single-threaded mode - disables all mutexing";
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flags["sqlonly"] = "No-op. Only show the SQL that would have been run.";
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flags["shrink"] = "memory Invoke sqlite3_db_release_memory() frequently.";
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//flags["size"] = "N Relative test size. Default=100";
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flags["strict"] = "Use STRICT table where appropriate";
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flags["stats"] = "Show statistics at the end";
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//flags["temp"] = "N N from 0 to 9. 0: no temp table. 9: all temp tables";
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//flags["testset"] = "T Run test-set T (main, cte, rtree, orm, fp, debug)";
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flags["trace"] = "Turn on SQL tracing";
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//flags["threads"] = "N Use up to N threads for sorting";
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/*
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The core API's WASM build does not support UTF16, but in
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this app it's not an issue because the data are not crossing
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JS/WASM boundaries.
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*/
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flags["utf16be"] = "Set text encoding to UTF-16BE";
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flags["utf16le"] = "Set text encoding to UTF-16LE";
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flags["verify"] = "Run additional verification steps.";
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flags["without"] = "rowid Use WITHOUT ROWID where appropriate";
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const preselectedFlags = [
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'singlethread',
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'memdb'
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];
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Object.keys(flags).sort().forEach(function(f){
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const opt = document.createElement('option');
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eFlags.appendChild(opt);
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const lbl = nbspPad('--'+f)+flags[f];
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//opt.innerText = lbl;
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opt.innerHTML = lbl;
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opt.value = '--'+f;
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if(preselectedFlags.indexOf(f) >= 0) opt.selected = true;
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});
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const cbReverseLog = E('#cb-reverse-log-order');
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const lblReverseLog = E('#lbl-reverse-log-order');
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if(cbReverseLog.checked){
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lblReverseLog.classList.add('warning');
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eOut.classList.add('reverse');
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}
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cbReverseLog.addEventListener('change', function(){
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if(this.checked){
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eOut.classList.add('reverse');
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lblReverseLog.classList.add('warning');
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}else{
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eOut.classList.remove('reverse');
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lblReverseLog.classList.remove('warning');
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}
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}, false);
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updateSelectedFlags();
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}
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E('#btn-output-clear').addEventListener('click', ()=>{
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eOut.innerText = '';
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});
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E('#btn-reset-flags').addEventListener('click',()=>{
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eFlags.value = '';
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updateSelectedFlags();
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});
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E('#btn-run').addEventListener('click',function(){
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log("Running speedtest1. UI controls will be disabled until it completes.");
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mPost('run', getSelectedFlags());
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});
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const eControls = E('#ui-controls');
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/** Update Emscripten-related UI elements while loading the module. */
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const updateLoadStatus = function f(text){
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if(!f.last){
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f.last = { text: '', step: 0 };
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const E = (cssSelector)=>document.querySelector(cssSelector);
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f.ui = {
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status: E('#module-status'),
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progress: E('#module-progress'),
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spinner: E('#module-spinner')
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};
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}
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if(text === f.last.text) return;
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f.last.text = text;
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if(f.ui.progress){
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f.ui.progress.value = f.last.step;
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f.ui.progress.max = f.last.step + 1;
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}
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++f.last.step;
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if(text) {
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f.ui.status.classList.remove('hidden');
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f.ui.status.innerText = text;
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}else{
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if(f.ui.progress){
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f.ui.progress.remove();
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f.ui.spinner.remove();
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delete f.ui.progress;
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delete f.ui.spinner;
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}
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f.ui.status.classList.add('hidden');
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}
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};
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log("Control-click the flags to (de)select multiple flags.");
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logWarn("\nThe easiest way to try different optimization levels is, from this directory:\n"+
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" $ make clean; make -e emcc_opt='-O2' speedtest1\n"+
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"Then reload this page. -O2 seems to consistently produce the fastest results.\n");
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logWarn('\nAchtung: the Worker thread overhead slightly reduces the speed',
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'compared to running the same options via speedtest1.html.\n'+
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'TODO: add a link in this app which launches the main-thread',
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'version with the same flags.\n');
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W.onmessage = function(msg){
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msg = msg.data;
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switch(msg.type){
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case 'ready': log("Worker is ready."); eControls.classList.remove('hidden'); break;
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case 'stdout': log(msg.data); break;
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case 'stdout': logErr(msg.data); break;
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case 'run-start':
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eControls.disabled = true;
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log("Running speedtest1 with argv =",msg.data.join(' '));
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break;
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case 'run-end': log("speedtest1 finished.");
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eControls.disabled = false;
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// app output is in msg.data
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break;
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case 'error': logErr(msg.data); break;
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case 'load-status': updateLoadStatus(msg.data); break;
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default:
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logErr("Unhandled worker message type:",arguments[0]);
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break;
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}
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};
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})();</script>
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</body>
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</html>
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