{"id":90,"date":"2025-02-17T18:13:58","date_gmt":"2025-02-17T10:13:58","guid":{"rendered":"https:\/\/web.eo2suite.cn\/blog\/?p=90"},"modified":"2025-03-12T11:28:49","modified_gmt":"2025-03-12T03:28:49","slug":"%e5%86%85%e5%ad%98%e5%85%b1%e4%ba%ab%e4%b8%8etransferable-objects","status":"publish","type":"post","link":"https:\/\/blog.eo2suite.cn\/?p=90","title":{"rendered":"\u201c\u5185\u5b58\u5171\u4eab\u201d\u4e0e\u201cTransferable Objects\u201d"},"content":{"rendered":"\n<p>\u5728\u4e4b\u524d\u7684\u4f18\u5316\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u5c06 x2t \u79fb\u690d\u5230 WASM\uff0c\u5e76\u5c1d\u8bd5\u5728 JS \u548c WASM \u4e4b\u95f4\u5171\u4eab\u5185\u5b58\uff0c\u4ee5\u671f\u51cf\u5c11\u6570\u636e\u62f7\u8d1d\uff0c\u63d0\u5347\u6027\u80fd\u3002\u7136\u800c\uff0c\u6211\u4eec\u5728\u5b9e\u8df5\u4e2d\u9047\u5230\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u7279\u522b\u662f <strong>**Segmentation Fault**<\/strong> \u9519\u8bef\uff0c\u8fd9\u4fc3\u4f7f\u6211\u4eec\u5bf9 WASM \u7684\u5185\u5b58\u6a21\u578b\u4ee5\u53ca JS \u548c WASM \u5171\u4eab\u5185\u5b58\u7684\u673a\u5236\u8fdb\u884c\u4e86\u66f4\u6df1\u5165\u7684\u7814\u7a76\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">WASM \u7684\u7ebf\u6027\u5185\u5b58\u6a21\u578b<\/h3>\n\n\n\n<p>WASM \u5b9e\u4f8b\u62e5\u6709\u4e00\u4e2a\u7ebf\u6027\u5185\u5b58\uff08Linear Memory\uff09\uff0c\u5b83\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a <code>`ArrayBuffer`<\/code>\uff0c\u53ef\u4ee5\u88ab WASM \u4ee3\u7801\u548c JS \u4ee3\u7801\u540c\u65f6\u8bbf\u95ee\u3002 \u8fd9\u4e2a\u7ebf\u6027\u5185\u5b58\u662f WASM \u7a0b\u5e8f\u5b58\u50a8\u6570\u636e\u7684\u4e3b\u8981\u573a\u6240\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>**\u5185\u5b58\u9875\uff08Memory Page\uff09\uff1a**<\/strong> WASM \u7684\u7ebf\u6027\u5185\u5b58\u88ab\u5212\u5206\u4e3a\u5927\u5c0f\u56fa\u5b9a\u7684\u5185\u5b58\u9875\uff0c\u6bcf\u9875\u901a\u5e38\u4e3a 64KB\u3002<\/li>\n\n\n\n<li><strong>**\u5185\u5b58\u589e\u957f\uff1a**<\/strong> WASM \u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7 <code>`memory.grow`<\/code> \u6307\u4ee4\u589e\u52a0\u7ebf\u6027\u5185\u5b58\u7684\u5927\u5c0f\uff0c\u6bcf\u6b21\u589e\u52a0\u4e00\u9875\u3002\u7ebf\u6027\u5185\u5b58\u7684\u6700\u5927\u5927\u5c0f\u53d7\u9650\u4e8e WebAssembly.Memory \u5b9e\u4f8b\u7684\u914d\u7f6e\uff0c\u901a\u5e38\u4e3a 4GB (65536 \u9875)\u3002<\/li>\n\n\n\n<li><strong>**\u5730\u5740\u7a7a\u95f4\uff1a**<\/strong> WASM \u4ee3\u7801\u901a\u8fc7\u7ebf\u6027\u5730\u5740\uff08Linear Address\uff09\u8bbf\u95ee\u5185\u5b58\uff0c\u7ebf\u6027\u5730\u5740\u662f\u76f8\u5bf9\u4e8e\u7ebf\u6027\u5185\u5b58\u8d77\u59cb\u4f4d\u7f6e\u7684\u504f\u79fb\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">JS \u5982\u4f55\u8bbf\u95ee WASM \u5185\u5b58<\/h3>\n\n\n\n<p>JS \u53ef\u4ee5\u901a\u8fc7 <code>`WebAssembly.Memory`<\/code> \u5b9e\u4f8b\u7684 <code>`buffer`<\/code> \u5c5e\u6027\u83b7\u53d6\u7ebf\u6027\u5185\u5b58\u7684 <code>`ArrayBuffer`<\/code> \u5bf9\u8c61\u3002 \u62ff\u5230 <code>`ArrayBuffer`<\/code> \u540e\uff0cJS \u5c31\u53ef\u4ee5\u50cf\u64cd\u4f5c\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bfb\u5199 WASM \u7684\u5185\u5b58\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const wasmMemory = new WebAssembly.Memory({ initial: 10 }); \/\/ \u521d\u59cb 10 \u9875\nconst buffer = wasmMemory.buffer; \/\/ \u83b7\u53d6 ArrayBuffer\nconst uint8Array = new Uint8Array(buffer); \/\/ \u521b\u5efa TypedArray \u89c6\u56fe\n\n\/\/ JS \u5199\u5165\u6570\u636e\u5230 WASM \u5185\u5b58\nuint8Array&#91;0] = 42;\n\n\/\/ \u4ece WASM \u5185\u5b58\u8bfb\u53d6\u6570\u636e\nconst value = uint8Array&#91;0];\nconsole.log(value); \/\/ \u8f93\u51fa 42<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">JS \u4e0e WASM \u5171\u4eab\u5185\u5b58\u7684\u6311\u6218<\/h3>\n\n\n\n<p>\u867d\u7136 JS \u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee WASM \u7684\u7ebf\u6027\u5185\u5b58\uff0c\u4f46\u5171\u4eab\u5185\u5b58\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u6311\u6218\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>**\u5185\u5b58\u5bf9\u9f50\uff08Memory Alignment\uff09\uff1a**<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u9700\u8981\u6309\u7167\u7279\u5b9a\u7684\u5b57\u8282\u5bf9\u9f50\u3002\u4f8b\u5982\uff0c32 \u4f4d\u6574\u6570\u901a\u5e38\u9700\u8981 4 \u5b57\u8282\u5bf9\u9f50\u3002<\/li>\n\n\n\n<li>\u5982\u679c JS \u548c WASM \u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u8bbf\u95ee\u672a\u5bf9\u9f50\u7684\u5185\u5b58\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u51fa\u73b0\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>**\u89e3\u51b3\u65b9\u6848\uff1a**<\/strong> \u786e\u4fdd JS \u548c WASM \u4f7f\u7528\u76f8\u540c\u7684\u5185\u5b58\u5bf9\u9f50\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528 <code>`DataView`<\/code> \u5bf9\u8c61\u8fdb\u884c\u7cbe\u786e\u7684\u5185\u5b58\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>**\u6570\u636e\u7c7b\u578b\u8f6c\u6362\uff08Data Type Conversion\uff09\uff1a**<\/strong>\n<ul class=\"wp-block-list\">\n<li>JS \u548c WASM \u4f7f\u7528\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u8868\u793a\u65b9\u5f0f\u3002 \u4f8b\u5982\uff0cJS \u7684\u6570\u5b57\u662f 64 \u4f4d\u6d6e\u70b9\u6570\uff0c\u800c WASM \u53ef\u4ee5\u4f7f\u7528 32 \u4f4d\u6574\u6570\u300164 \u4f4d\u6574\u6570\u7b49\u591a\u79cd\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u5728 JS \u548c WASM \u4e4b\u95f4\u4f20\u9012\u6570\u636e\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/li>\n\n\n\n<li><strong>**\u89e3\u51b3\u65b9\u6848\uff1a**<\/strong> \u4f7f\u7528 <code>`TypedArray`<\/code> (\u4f8b\u5982 <code>`Int32Array`<\/code>, <code>`Float64Array`<\/code>) \u5728 JS \u4e2d\u521b\u5efa\u4e0e WASM \u5185\u5b58\u5e03\u5c40\u5339\u914d\u7684\u89c6\u56fe\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>**\u7ade\u4e89\u6761\u4ef6\uff08Race Conditions\uff09\uff1a**<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c JS \u548c WASM \u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u5757\u5185\u5b58\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u7ade\u4e89\u6761\u4ef6\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/li>\n\n\n\n<li><strong>**\u89e3\u51b3\u65b9\u6848\uff1a**<\/strong> \u4f7f\u7528 <code>`Atomics`<\/code> API \u8fdb\u884c\u540c\u6b65\u3002 <code>`Atomics`<\/code> API \u63d0\u4f9b\u4e86\u4e00\u4e9b\u539f\u5b50\u64cd\u4f5c\uff0c\u4f8b\u5982\u539f\u5b50\u52a0\u3001\u539f\u5b50\u51cf\u3001\u539f\u5b50\u6bd4\u8f83\u548c\u4ea4\u6362\u7b49\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u5e76\u53d1\u8bbf\u95ee\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>**Segmentation Fault \u7684\u539f\u56e0\u53ca\u89e3\u51b3\uff1a**<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u9047\u5230\u7684 Segmentation Fault \u9519\u8bef\uff0c\u53ef\u80fd\u7531\u4ee5\u4e0b\u539f\u56e0\u5bfc\u81f4\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>**\u8d8a\u754c\u8bbf\u95ee\uff1a**<\/strong> JS \u6216 WASM \u8bbf\u95ee\u4e86\u7ebf\u6027\u5185\u5b58\u8303\u56f4\u4e4b\u5916\u7684\u5730\u5740\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u8ba1\u7b97\u9519\u8bef\u6216\u5185\u5b58\u589e\u957f\u672a\u540c\u6b65\u5bfc\u81f4\u7684\u3002<\/li>\n\n\n\n<li><strong>**\u975e\u6cd5\u5730\u5740\uff1a**<\/strong> \u8bbf\u95ee\u4e86\u672a\u5206\u914d\u6216\u53d7\u4fdd\u62a4\u7684\u5185\u5b58\u5730\u5740\u3002<\/li>\n\n\n\n<li><strong>**\u6570\u636e\u7ade\u4e89\uff1a**<\/strong> \u5c3d\u7ba1\u4f7f\u7528\u4e86 Atomics API\uff0c\u4f46\u5728\u67d0\u4e9b\u590d\u6742\u7684\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u4ecd\u7136\u53ef\u80fd\u5b58\u5728\u7ade\u4e89\u6761\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>**\u89e3\u51b3\u65b9\u6cd5\uff1a**<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>**\u4ed4\u7ec6\u68c0\u67e5\u5185\u5b58\u8bbf\u95ee\u903b\u8f91\uff1a**<\/strong> \u786e\u4fdd JS \u548c WASM \u7684\u5185\u5b58\u8bbf\u95ee\u90fd\u5728\u7ebf\u6027\u5185\u5b58\u7684\u6709\u6548\u8303\u56f4\u5185\u3002<\/li>\n\n\n\n<li><strong>**\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\uff1a**<\/strong> \u5229\u7528 WASM \u8c03\u8bd5\u5de5\u5177 (\u4f8b\u5982 Chrome DevTools \u7684 WebAssembly Inspector) \u8ddf\u8e2a\u5185\u5b58\u8bbf\u95ee\uff0c\u627e\u51fa\u9519\u8bef\u7684\u6839\u6e90\u3002<\/li>\n\n\n\n<li><strong>**\u66f4\u7ec6\u7c92\u5ea6\u7684\u540c\u6b65\uff1a**<\/strong> \u8003\u8651\u4f7f\u7528\u66f4\u7ec6\u7c92\u5ea6\u7684 Atomics \u64cd\u4f5c\uff0c\u6216\u8005\u91c7\u7528\u5176\u4ed6\u7684\u540c\u6b65\u673a\u5236 (\u4f8b\u5982\u4e92\u65a5\u9501) \u6765\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\u3002<\/li>\n\n\n\n<li><strong>**\u907f\u514d\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u5171\u4eab\uff1a**<\/strong> \u5c3d\u91cf\u907f\u514d\u5728 JS \u548c WASM \u4e4b\u95f4\u5171\u4eab\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5982\u679c\u5fc5\u987b\u5171\u4eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u6765\u4f20\u9012\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f7f\u7528 Atomics API \u8fdb\u884c\u540c\u6b65\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<p>\u867d\u7136 <code>`Atomics`<\/code> API \u53ef\u4ee5\u7528\u6765\u540c\u6b65 JS \u548c WASM \u7684\u5185\u5b58\u8bbf\u95ee\uff0c\u4f46\u4e5f\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>`Atomics.wait`<\/code> \u53ea\u80fd\u5728 WebWorker \u4e2d\u8c03\u7528\uff0c\u4e0d\u80fd\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u4f7f\u7528\u3002<\/li>\n\n\n\n<li><code>`Atomics`<\/code> \u64cd\u4f5c\u4ecd\u7136\u6709\u4e00\u5b9a\u7684\u6027\u80fd\u5f00\u9500\uff0c\u8fc7\u5ea6\u4f7f\u7528\u53ef\u80fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n\n\n\n<li>\u5728\u590d\u6742\u7684\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u9700\u8981\u4ed4\u7ec6\u8bbe\u8ba1\u540c\u6b65\u7b56\u7565\uff0c\u907f\u514d\u6b7b\u9501\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4ec0\u4e48\u662f Transferable Objects\uff1f<\/strong><\/h3>\n\n\n\n<p>Transferable Objects \u662f\u4e00\u79cd\u7279\u6b8a\u7684\u5bf9\u8c61\uff0c\u5b83\u4eec\u5728\u4f20\u9012\u65f6\u4e0d\u4f1a\u8fdb\u884c\u6570\u636e\u590d\u5236\uff0c\u800c\u662f\u76f4\u63a5\u5c06\u5bf9\u8c61\u7684\u5e95\u5c42\u5185\u5b58\u7684\u6240\u6709\u6743\u4ece\u4e00\u4e2a\u4e0a\u4e0b\u6587\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u4e0a\u4e0b\u6587\u3002 \u8fd9\u610f\u5473\u7740\u4f20\u9012\u540e\uff0c\u539f\u59cb\u4e0a\u4e0b\u6587\u5c06\u65e0\u6cd5\u518d\u8bbf\u95ee\u8be5\u5bf9\u8c61\uff0c\u800c\u63a5\u6536\u4e0a\u4e0b\u6587\u5219\u62e5\u6709\u8be5\u5bf9\u8c61\u7684\u5b8c\u6574\u63a7\u5236\u6743\u3002<\/p>\n\n\n\n<p>\u5e38\u89c1\u7684 Transferable Objects \u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>`ArrayBuffer`<\/code><\/li>\n\n\n\n<li><code>`MessagePort`<\/code><\/li>\n\n\n\n<li><code>`ImageBitmap`<\/code><\/li>\n\n\n\n<li><code>`OffscreenCanvas`<\/code><\/li>\n<\/ul>\n\n\n\n<p><strong>**Transferable Objects \u7684\u4f18\u52bf\uff1a**<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>**\u96f6\u62f7\u8d1d\uff08Zero-Copy\uff09\uff1a**<\/strong> \u8fd9\u662f Transferable Objects \u6700\u5927\u7684\u4f18\u52bf\u3002 \u7531\u4e8e\u6ca1\u6709\u6570\u636e\u590d\u5236\uff0c\u4f20\u9012\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u5c24\u5176\u9002\u5408\u4f20\u9012\u5927\u578b\u6570\u636e\u5757\u3002<\/li>\n\n\n\n<li><strong>**\u907f\u514d\u5185\u5b58\u7ade\u4e89\uff1a**<\/strong> \u7531\u4e8e\u6240\u6709\u6743\u8f6c\u79fb\uff0c\u53ea\u6709\u4e00\u4e2a\u4e0a\u4e0b\u6587\u53ef\u4ee5\u8bbf\u95ee\u8be5\u5bf9\u8c61\uff0c\u56e0\u6b64\u53ef\u4ee5\u907f\u514d\u5185\u5b58\u7ade\u4e89\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002 \u8fd9\u7b80\u5316\u4e86\u5e76\u53d1\u7f16\u7a0b\uff0c\u65e0\u9700\u4f7f\u7528\u590d\u6742\u7684\u540c\u6b65\u673a\u5236\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>**Transferable Objects \u7684\u52a3\u52bf\uff1a**<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>**\u6240\u6709\u6743\u8f6c\u79fb\uff1a**<\/strong> \u8fd9\u662f Transferable Objects \u7684\u4e00\u4e2a\u9650\u5236\u3002 \u4f20\u9012\u540e\uff0c\u539f\u59cb\u4e0a\u4e0b\u6587\u5c06\u65e0\u6cd5\u518d\u8bbf\u95ee\u8be5\u5bf9\u8c61\u3002 \u5982\u679c\u9700\u8981\u540c\u65f6\u5728\u591a\u4e2a\u4e0a\u4e0b\u6587\u4e2d\u4f7f\u7528\u540c\u4e00\u4efd\u6570\u636e\uff0cTransferable Objects \u5c31\u4e0d\u9002\u7528\u4e86\u3002<\/li>\n\n\n\n<li><strong>**\u5bf9\u8c61\u7c7b\u578b\u9650\u5236\uff1a**<\/strong> \u53ea\u6709\u7279\u5b9a\u7c7b\u578b\u7684\u5bf9\u8c61\u624d\u80fd\u4f5c\u4e3a Transferable Objects \u4f20\u9012\u3002 \u5e38\u89c1\u7684\u5bf9\u8c61\u7c7b\u578b (\u4f8b\u5982\u666e\u901a JavaScript \u5bf9\u8c61) \u4e0d\u652f\u6301 Transferable Objects\u3002<\/li>\n\n\n\n<li><strong>**\u5355\u5411\u4f20\u9012\uff1a**<\/strong> Transferable Objects \u901a\u5e38\u7528\u4e8e\u5355\u5411\u4f20\u9012\u6570\u636e\u3002 \u5982\u679c\u9700\u8981\u5728\u4e24\u4e2a\u4e0a\u4e0b\u6587\u4e4b\u95f4\u9891\u7e41\u5730\u4ea4\u6362\u6570\u636e\uff0c\u6548\u7387\u53ef\u80fd\u4e0d\u9ad8\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>**Transferable Objects \u65b9\u6848\u4e0e\u5185\u5b58\u5171\u4eab\u65b9\u6848\u7684\u5bf9\u6bd4\uff1a**<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u7279\u6027<\/th><th>Transferable Objects<\/th><th>\u5185\u5b58\u5171\u4eab (SharedArrayBuffer)<\/th><\/tr><tr><td>\u6570\u636e\u62f7\u8d1d<\/td><td>\u96f6\u62f7\u8d1d<\/td><td>\u9700\u8981\u62f7\u8d1d (\u521d\u59cb\u62f7\u8d1d), \u540e\u7eed\u4fee\u6539\u5171\u4eab<\/td><\/tr><tr><td>\u5e76\u53d1\u5b89\u5168<\/td><td>\u5929\u7136\u5b89\u5168\uff0c\u65e0\u9700\u540c\u6b65\u673a\u5236<\/td><td>\u9700\u8981\u4f7f\u7528 Atomics API \u8fdb\u884c\u540c\u6b65\uff0c\u589e\u52a0\u4e86\u590d\u6742\u6027<\/td><\/tr><tr><td>\u5bf9\u8c61\u7c7b\u578b<\/td><td>\u4ec5\u652f\u6301\u7279\u5b9a\u7c7b\u578b (ArrayBuffer, MessagePort, ImageBitmap, OffscreenCanvas)<\/td><td>\u652f\u6301\u4efb\u610f\u7c7b\u578b\uff0c\u4f46\u9700\u8981\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316<\/td><\/tr><tr><td>\u4f7f\u7528\u573a\u666f<\/td><td>\u9002\u7528\u4e8e\u5355\u5411\u4f20\u9012\u5927\u578b\u6570\u636e\u5757\u7684\u573a\u666f\uff0c\u4f8b\u5982\uff1a\u4ece WebWorker \u5411\u4e3b\u7ebf\u7a0b\u4f20\u9012\u5904\u7406\u540e\u7684\u56fe\u50cf\u6570\u636e<\/td><td>\u9002\u7528\u4e8e\u591a\u4e2a\u7ebf\u7a0b\/\u4e0a\u4e0b\u6587\u9700\u8981\u540c\u65f6\u8bbf\u95ee\u548c\u4fee\u6539\u540c\u4e00\u4efd\u6570\u636e\u7684\u573a\u666f\uff0c\u4f8b\u5982\uff1a\u591a\u4eba\u534f\u4f5c\u7f16\u8f91\u6587\u6863<\/td><\/tr><tr><td>\u590d\u6742\u6027<\/td><td>\u7b80\u5355<\/td><td>\u590d\u6742\uff0c\u9700\u8981\u5904\u7406\u5185\u5b58\u5bf9\u9f50\u3001\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u3001\u7ade\u4e89\u6761\u4ef6\u7b49\u95ee\u9898<\/td><\/tr><tr><td>\u9002\u7528\u6027<\/td><td>\u9002\u5408 WASM X2T \u7684\u573a\u666f\uff0cX2T \u5728 WebWorker \u4e2d\u5904\u7406\u6587\u4ef6\u540e\uff0c\u5c06 <code>`Editor.bin`<\/code> \u6570\u636e\u901a\u8fc7 Transferable Objects \u4f20\u9012\u7ed9\u4e3b\u7ebf\u7a0b\uff0c\u4e3b\u7ebf\u7a0b\u63a5\u6536\u6570\u636e\u540e\uff0cWebWorker \u5c31\u4e0d\u518d\u9700\u8981\u8fd9\u4efd\u6570\u636e\u4e86\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u6570\u636e\u62f7\u8d1d\uff0c\u63d0\u9ad8\u6027\u80fd\u3002<\/td><td>\u4e0d\u592a\u9002\u5408 WASM X2T \u7684\u573a\u666f\u3002X2T \u7684\u4e3b\u8981\u9700\u6c42\u662f\u5c06\u5904\u7406\u7ed3\u679c\u4f20\u9012\u7ed9\u4e3b\u7ebf\u7a0b\uff0c\u800c\u4e0d\u662f\u5171\u4eab\u6570\u636e\u3002\u5982\u679c\u4f7f\u7528\u5185\u5b58\u5171\u4eab\uff0c\u9700\u8981\u5728 JS \u548c WASM \u4e4b\u95f4\u8fdb\u884c\u590d\u6742\u7684\u540c\u6b65\uff0c\u53cd\u800c\u4f1a\u589e\u52a0\u590d\u6742\u6027\u3002<\/td><\/tr><tr><td>\u4e0e WASM \u7ed3\u5408<\/td><td>\u975e\u5e38\u9002\u5408\uff1a WASM \u5728 WebWorker \u4e2d\u5904\u7406\u6570\u636e\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 Transferable Objects \u5c06\u7ed3\u679c\u4f20\u9012\u7ed9\u4e3b\u7ebf\u7a0b\uff0c\u65e0\u9700\u4efb\u4f55\u6570\u636e\u62f7\u8d1d\u3002<\/td><td>\u53ef\u4ee5\u7ed3\u5408\uff1a JS \u548c WASM \u53ef\u4ee5\u5171\u4eab\u7ebf\u6027\u5185\u5b58\uff0c\u4f46\u9700\u8981\u5c0f\u5fc3\u5904\u7406\u5185\u5b58\u5bf9\u9f50\u3001\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u548c\u7ade\u4e89\u6761\u4ef6\u3002<\/td><\/tr><tr><td>WebWorker \u652f\u6301<\/td><td>\u826f\u597d<\/td><td>\u826f\u597d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>**\u7ed3\u8bba\uff1a**<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transferable Objects \u662f\u4e00\u79cd\u7b80\u5355\u800c\u9ad8\u6548\u7684\u6570\u636e\u4f20\u9012\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u5355\u5411\u4f20\u9012\u5927\u578b\u6570\u636e\u5757\u7684\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u5185\u5b58\u5171\u4eab (SharedArrayBuffer) \u9002\u7528\u4e8e\u591a\u4e2a\u7ebf\u7a0b\/\u4e0a\u4e0b\u6587\u9700\u8981\u540c\u65f6\u8bbf\u95ee\u548c\u4fee\u6539\u540c\u4e00\u4efd\u6570\u636e\u7684\u573a\u666f\uff0c\u4f46\u5b9e\u73b0\u8d77\u6765\u66f4\u52a0\u590d\u6742\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>**\u5728 WASM X2T \u573a\u666f\u4e2d\uff0cTransferable Objects \u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002**<\/strong> \u56e0\u4e3a X2T \u7684\u4e3b\u8981\u9700\u6c42\u662f\u5c06\u5904\u7406\u7ed3\u679c\u4f20\u9012\u7ed9\u4e3b\u7ebf\u7a0b\uff0c\u800c\u4e0d\u662f\u5171\u4eab\u6570\u636e\u3002 \u4f7f\u7528 Transferable Objects \u53ef\u4ee5\u907f\u514d\u6570\u636e\u62f7\u8d1d\uff0c\u63d0\u9ad8\u6027\u80fd\uff0c\u5e76\u4e14\u7b80\u5316\u5e76\u53d1\u7f16\u7a0b\u7684\u590d\u6742\u6027\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4e4b\u524d\u7684\u4f18\u5316\u5de5\u4f5c\u4e2d\uff0c\u6211\u4eec\u5c06 x2t \u79fb\u690d\u5230 WASM\uff0c\u5e76\u5c1d\u8bd5\u5728 JS \u548c WASM \u4e4b\u95f4\u5171\u4eab\u5185\u5b58\uff0c\u4ee5\u671f\u51cf\u5c11\u6570\u636e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-90","post","type-post","status-publish","format-standard","hentry","category-technology-sharing"],"_links":{"self":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/90","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=90"}],"version-history":[{"count":1,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/90\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=\/wp\/v2\/posts\/90\/revisions\/126"}],"wp:attachment":[{"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=90"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=90"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.eo2suite.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=90"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}