mirror of
https://github.com/gorhill/uBlock.git
synced 2024-07-03 02:37:21 +02:00
More fine tuning of cache storage-related code
This commit is contained in:
Raymond Hill
parent
a9211cfa2f
commit
79ea85dbc4
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@ -156,6 +156,15 @@ if ( chrome.storage.sync instanceof Object ) {
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};
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}
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// https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/storage/session
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webext.storage.session = {
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clear: ( ) => Promise.resolve(),
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get: ( ) => Promise.resolve(),
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getBytesInUse: ( ) => Promise.resolve(),
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remove: ( ) => Promise.resolve(),
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set: ( ) => Promise.resolve(),
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};
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// https://bugs.chromium.org/p/chromium/issues/detail?id=608854
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if ( chrome.tabs.removeCSS instanceof Function ) {
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webext.tabs.removeCSS = promisifyNoFail(chrome.tabs, 'removeCSS');
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@ -838,7 +838,7 @@ async function assetCacheSetDetails(assetKey, details) {
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}
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}
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if ( modified ) {
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saveAssetCacheRegistry();
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saveAssetCacheRegistry(3);
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}
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}
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@ -58,17 +58,19 @@ const shouldCache = bin => {
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return out;
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};
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const missingKeys = (wanted, inbin, outbin) => {
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inbin = inbin || {};
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const found = Object.keys(inbin);
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Object.assign(outbin, inbin);
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if ( found.length === wanted.length ) { return; }
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const missing = [];
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for ( const key of wanted ) {
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if ( outbin.hasOwnProperty(key) ) { continue; }
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missing.push(key);
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}
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return missing;
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const exGet = (api, wanted, outbin) => {
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return api.get(wanted).then(inbin => {
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inbin = inbin || {};
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const found = Object.keys(inbin);
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Object.assign(outbin, inbin);
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if ( found.length === wanted.length ) { return; }
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const missing = [];
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for ( const key of wanted ) {
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if ( outbin.hasOwnProperty(key) ) { continue; }
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missing.push(key);
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}
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return missing;
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});
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};
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/*******************************************************************************
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@ -81,15 +83,15 @@ const missingKeys = (wanted, inbin, outbin) => {
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const cacheStorage = (( ) => {
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const compress = async (key, data) => {
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const compress = async (bin, key, data) => {
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const µbhs = µb.hiddenSettings;
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const isLarge = typeof data === 'string' &&
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data.length >= µbhs.cacheStorageCompressionThreshold;
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const after = await scuo.serializeAsync(data, {
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compress: isLarge && µbhs.cacheStorageCompression,
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multithreaded: isLarge && µbhs.cacheStorageMultithread || 2,
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multithreaded: µbhs.cacheStorageMultithread,
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});
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return { key, data: after };
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bin[key] = after;
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};
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const decompress = async (bin, key) => {
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@ -98,27 +100,24 @@ const cacheStorage = (( ) => {
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const µbhs = µb.hiddenSettings;
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const isLarge = data.length >= µbhs.cacheStorageCompressionThreshold;
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bin[key] = await scuo.deserializeAsync(data, {
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multithreaded: isLarge && µbhs.cacheStorageMultithread || 2,
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multithreaded: isLarge && µbhs.cacheStorageMultithread || 1,
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});
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};
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return {
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get(argbin) {
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const outbin = {};
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const wanted0 = keysFromGetArg(argbin);
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return cacheAPI.get(wanted0).then(bin => {
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const wanted1 = missingKeys(wanted0, bin, outbin);
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if ( wanted1 === undefined ) { return; }
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return extensionStorage.get(wanted1).then(bin => {
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const wanted2 = missingKeys(wanted1, bin, outbin);
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if ( wanted2 === undefined ) { return; }
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if ( argbin instanceof Object === false ) { return; }
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if ( Array.isArray(argbin) ) { return; }
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for ( const key of wanted2 ) {
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if ( argbin.hasOwnProperty(key) === false ) { continue; }
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outbin[key] = argbin[key];
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}
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});
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return exGet(cacheAPI, keysFromGetArg(argbin), outbin).then(wanted => {
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if ( wanted === undefined ) { return; }
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return exGet(extensionStorage, wanted, outbin);
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}).then(wanted => {
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if ( wanted === undefined ) { return; }
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if ( argbin instanceof Object === false ) { return; }
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if ( Array.isArray(argbin) ) { return; }
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for ( const key of wanted ) {
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if ( argbin.hasOwnProperty(key) === false ) { continue; }
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outbin[key] = argbin[key];
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}
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}).then(( ) => {
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const promises = [];
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for ( const key of Object.keys(outbin) ) {
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@ -147,17 +146,14 @@ const cacheStorage = (( ) => {
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async set(keyvalStore) {
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const keys = Object.keys(keyvalStore);
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if ( keys.length === 0 ) { return; }
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const bin = {};
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const promises = [];
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for ( const key of keys ) {
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promises.push(compress(key, keyvalStore[key]));
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promises.push(compress(bin, key, keyvalStore[key]));
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}
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const results = await Promise.all(promises);
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const serializedStore = {};
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for ( const { key, data } of results ) {
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serializedStore[key] = data;
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}
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cacheAPI.set(shouldCache(serializedStore));
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return extensionStorage.set(serializedStore).catch(reason => {
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await Promise.all(promises);
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cacheAPI.set(shouldCache(bin));
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return extensionStorage.set(bin).catch(reason => {
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ubolog(reason);
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});
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},
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@ -361,6 +357,54 @@ const cacheAPI = (( ) => {
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};
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})();
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/*******************************************************************************
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*
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* In-memory storage
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*
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* */
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const memoryStorage = (( ) => {
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const sessionStorage = webext.storage.session;
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return {
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get(...args) {
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return sessionStorage.get(...args).catch(reason => {
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ubolog(reason);
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});
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},
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async keys(regex) {
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const results = await sessionStorage.get(null).catch(( ) => {});
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const keys = new Set(results[0]);
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const bin = results[1] || {};
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for ( const key of Object.keys(bin) ) {
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if ( regex && regex.test(key) === false ) { continue; }
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keys.add(key);
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}
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return keys;
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},
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async set(...args) {
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return sessionStorage.set(...args).catch(reason => {
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ubolog(reason);
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});
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},
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remove(...args) {
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return sessionStorage.remove(...args).catch(reason => {
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ubolog(reason);
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});
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},
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clear(...args) {
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return sessionStorage.clear(...args).catch(reason => {
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ubolog(reason);
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});
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},
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};
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})();
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/*******************************************************************************
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*
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* IndexedDB
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@ -1148,10 +1148,11 @@ const THREAD_DESERIALIZE = 4;
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class MainThread {
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constructor() {
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this.name = 'main';
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this.jobs = [];
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this.workload = 0;
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this.timer = undefined;
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this.busy = false;
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this.busy = 2;
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}
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process() {
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@ -1164,7 +1165,9 @@ class MainThread {
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job.resolve(result);
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this.processAsync();
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if ( this.jobs.length === 0 ) {
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this.busy = false;
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this.busy = 2;
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} else if ( this.busy > 2 ) {
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this.busy -= 1;
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}
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}
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@ -1174,11 +1177,12 @@ class MainThread {
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this.timer = globalThis.requestIdleCallback(deadline => {
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this.timer = undefined;
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globalThis.queueMicrotask(( ) => {
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this.timer = undefined;
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this.process();
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});
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this.busy = deadline.timeRemaining() === 0;
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}, { timeout: 7 });
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if ( deadline.timeRemaining() === 0 ) {
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this.busy += 1;
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}
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}, { timeout: 5 });
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}
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serialize(data, options) {
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@ -1199,16 +1203,17 @@ class MainThread {
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}
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get queueSize() {
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return this.jobs.length + 1;
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return this.jobs.length;
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}
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get workSize() {
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return this.busy ? Number.MAX_SAFE_INTEGER : this.workload * 2;
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return this.workload * this.busy;
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}
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}
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class Thread {
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constructor(gcer) {
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this.name = 'worker';
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this.jobs = new Map();
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this.jobIdGenerator = 1;
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this.workload = 0;
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@ -1263,7 +1268,10 @@ class Thread {
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}
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onmessage(ev) {
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const job = ev.data;
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this.ondone(ev.data);
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}
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ondone(job) {
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const resolve = this.jobs.get(job.id);
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if ( resolve === undefined ) { return; }
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this.jobs.delete(job.id);
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@ -1274,37 +1282,35 @@ class Thread {
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}
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async serialize(data, options) {
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this.workerAccessTime = Date.now();
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const worker = await this.workerPromise;
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if ( worker === null ) {
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const result = serialize(data, options);
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this.countdownWorker();
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return result;
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}
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const id = this.jobIdGenerator++;
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return new Promise(resolve => {
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const id = this.jobIdGenerator++;
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this.workload += 1;
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const job = { what: THREAD_SERIALIZE, id, data, options, size: 1 };
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this.jobs.set(job.id, resolve);
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worker.postMessage(job);
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this.jobs.set(id, resolve);
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return this.workerPromise.then(worker => {
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this.workerAccessTime = Date.now();
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if ( worker === null ) {
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this.ondone({ id, result: serialize(data, options), size: 1 });
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} else {
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worker.postMessage({ what: THREAD_SERIALIZE, id, data, options, size: 1 });
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}
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});
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});
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}
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async deserialize(data, options) {
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this.workerAccessTime = Date.now();
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const worker = await this.workerPromise;
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if ( worker === null ) {
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const result = deserialize(data, options);
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this.countdownWorker();
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return result;
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}
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const id = this.jobIdGenerator++;
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return new Promise(resolve => {
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const id = this.jobIdGenerator++;
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const size = data.length;
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this.workload += size;
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const job = { what: THREAD_DESERIALIZE, id, data, options, size };
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this.jobs.set(job.id, resolve);
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worker.postMessage(job);
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this.jobs.set(id, resolve);
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return this.workerPromise.then(worker => {
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this.workerAccessTime = Date.now();
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if ( worker === null ) {
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this.ondone({ id, result: deserialize(data, options), size });
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} else {
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worker.postMessage({ what: THREAD_DESERIALIZE, id, data, options, size });
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}
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});
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});
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}
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@ -1323,12 +1329,11 @@ const threads = {
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const poolSize = this.pool.length;
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if ( poolSize !== 0 && poolSize >= maxPoolSize ) {
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if ( poolSize === 1 ) { return this.pool[0]; }
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return this.pool.reduce((best, candidate) => {
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if ( candidate.queueSize === 0 ) { return candidate; }
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if ( best.queueSize === 0 ) { return best; }
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return candidate.workSize < best.workSize
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? candidate
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: best;
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return this.pool.reduce((a, b) => {
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//console.log(`${a.name}: q=${a.queueSize} w=${a.workSize} ${b.name}: q=${b.queueSize} w=${b.workSize}`);
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if ( b.queueSize === 0 ) { return b; }
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if ( a.queueSize === 0 ) { return a; }
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return b.workSize < a.workSize ? b : a;
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});
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}
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const thread = new Thread(thread => {
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@ -1346,9 +1351,9 @@ export async function serializeAsync(data, options = {}) {
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if ( maxThreadCount === 0 ) {
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return serialize(data, options);
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}
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const result = await threads
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.thread(maxThreadCount)
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.serialize(data, options);
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const thread = threads.thread(maxThreadCount);
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//console.log(`serializeAsync: thread=${thread.name} workload=${thread.workSize}`);
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const result = await thread.serialize(data, options);
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if ( result !== undefined ) { return result; }
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return serialize(data, options);
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}
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@ -1359,9 +1364,9 @@ export async function deserializeAsync(data, options = {}) {
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if ( maxThreadCount === 0 ) {
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return deserialize(data, options);
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}
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const result = await threads
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.thread(maxThreadCount)
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.deserialize(data, options);
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const thread = threads.thread(maxThreadCount);
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//console.log(`deserializeAsync: thread=${thread.name} data=${data.length} workload=${thread.workSize}`);
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const result = await thread.deserialize(data, options);
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if ( result !== undefined ) { return result; }
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return deserialize(data, options);
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}
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