在浏览器运行qemu太慢了,是因为 wasm 有性能损失吗? #15
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zevorn
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QEMU | Q&A
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毕竟是两次转译啊…… 即使是 jit 里跑 jit 也会变得很慢[Grimace] 于是一般会要求 jvm 这类家伙一定要跑和目标 cpu 一样的实现 倒是……qemu 的 wasm 目标版本确实可以尝试做部分 aot 去减少纯解释开销 我记得目前用 wasm 和 js 写的 x86 模拟器挺多用了动态生成 wasm 二进制等技巧让性能看起来不会那么 boom 有些环境只有 web 浏览器能跑第三方自定义应用 |
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@毛利 大佬,在浏览器运行qemu太慢了,是因为 wasm 有性能损失吗?
The State of QEMU WebAssembly Port-KVM Forum 2025 (Sep. 4).pdf
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