perf: MkImgWithBlurhashとMkMediaImageを最適化 (#10782)

* #10781 * fix tsconfig * fetch image?? * Revert "fetch image??" This reverts commit 0925c28d5a. * wip * Revert "wip" This reverts commit be97c6cb88. * loading="eager" * loading="eager" 2 * error * wip * wip * wip * wip * clean up * fix * 生成するworkerを1つにする? * clean up * use buraha * wip * smaller width, height * update buraha * clean up * fix * Update MkMediaImage.vue * Update MkImgWithBlurhash.vue * Revert "fix(frontend): センシティブ設定された画像を開くとき一瞬レイアウトが崩れる問題を修正" This reverts commit 41e9aa6f9b. * Update MkMediaList.vue * Update MkMediaList.vue * Update MkMediaList.vue * Update CHANGELOG.md * wait for decode * fix * ? * (test) remove container-type: inline-size; * Revert "(test) remove container-type: inline-size;" This reverts commit 9448e64228. * container-name * Revert "container-name" This reverts commit 94385d3221. * width: 100%; * improve performance * refactor * wip * WIP * wip * Revert "wip" This reverts commit 36e3b75cab. * Revert "WIP" This reverts commit 05b729ef91. * Revert "wip" This reverts commit 0801e79361. * #10860 * wip * no worker * Revert "no worker" This reverts commit a9c49e4fb4. * ✌️ * workerNumber固定は不要 --------- Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
2023-05-19 09:44:06 +09:00
parent 3804c6e7ad
commit 59255e11b8
14 changed files with 367 additions and 91 deletions
--- a/packages/frontend/src/scripts/worker-multi-dispatch.ts
+++ b/packages/frontend/src/scripts/worker-multi-dispatch.ts
@@ -0,0 +1,75 @@
+function defaultUseWorkerNumber(prev: number, totalWorkers: number) {
+    return prev + 1;
+}
+
+export class WorkerMultiDispatch<POST = any, RETURN = any> {
+    private symbol = Symbol('WorkerMultiDispatch');
+    private workers: Worker[] = [];
+    private terminated = false;
+    private prevWorkerNumber = 0;
+    private getUseWorkerNumber = defaultUseWorkerNumber;
+    private finalizationRegistry: FinalizationRegistry<symbol>;
+
+    constructor(workerConstructor: () => Worker, concurrency: number, getUseWorkerNumber = defaultUseWorkerNumber) {
+        this.getUseWorkerNumber = getUseWorkerNumber;
+        for (let i = 0; i < concurrency; i++) {
+            this.workers.push(workerConstructor());
+        }
+
+        this.finalizationRegistry = new FinalizationRegistry(() => {
+            this.terminate();
+        });
+        this.finalizationRegistry.register(this, this.symbol);
+
+        if (_DEV_) console.log('WorkerMultiDispatch: Created', this);
+    }
+
+    public postMessage(message: POST, options?: Transferable[] | StructuredSerializeOptions, useWorkerNumber: typeof defaultUseWorkerNumber = this.getUseWorkerNumber) {
+        let workerNumber = useWorkerNumber(this.prevWorkerNumber, this.workers.length);
+        workerNumber = Math.abs(Math.round(workerNumber)) % this.workers.length;
+        if (_DEV_) console.log('WorkerMultiDispatch: Posting message to worker', workerNumber, useWorkerNumber);
+        this.prevWorkerNumber = workerNumber;
+
+        // 不毛だがunionをoverloadに突っ込めない
+        // https://stackoverflow.com/questions/66507585/overload-signatures-union-types-and-no-overload-matches-this-call-error
+        // https://github.com/microsoft/TypeScript/issues/14107
+        if (Array.isArray(options)) {
+            this.workers[workerNumber].postMessage(message, options);
+        } else {
+            this.workers[workerNumber].postMessage(message, options);
+        }
+        return workerNumber;
+    }
+
+    public addListener(callback: (this: Worker, ev: MessageEvent<RETURN>) => any, options?: boolean | AddEventListenerOptions) {
+        this.workers.forEach(worker => {
+            worker.addEventListener('message', callback, options);
+        });
+    }
+
+    public removeListener(callback: (this: Worker, ev: MessageEvent<RETURN>) => any, options?: boolean | AddEventListenerOptions) {
+        this.workers.forEach(worker => {
+            worker.removeEventListener('message', callback, options);
+        });
+    }
+
+    public terminate() {
+        this.terminated = true;
+        if (_DEV_) console.log('WorkerMultiDispatch: Terminating', this);
+        this.workers.forEach(worker => {
+            worker.terminate();
+        });
+        this.workers = [];
+        this.finalizationRegistry.unregister(this);
+    }
+
+    public isTerminated() {
+        return this.terminated;
+    }
+    public getWorkers() {
+        return this.workers;
+    }
+    public getSymbol() {
+        return this.symbol;
+    }
+}