js-framework-benchmark
source link: https://zhuanlan.zhihu.com/p/404740478
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js-framework-benchmark
我特么玩这个测试玩了两天,确实干不过 vue,啊哈
从图上可以看得到,其实三个框架相差并不多,除了 swap rows 相差六倍,其他都是毫秒级别……
所以这个测试用例没什么好纠结的,但从用例上,确实可以找到一些可以优化的点
第一,fre 总体更新性能不佳,这是因为 fre 没有实现 fre.memo
这个 api 对于这个测试用例来说,很关键,以至于 vue 团队也实现了 v-memo
另一个原因是 fre 没有做 diff props,它直接粗暴地操作 dom,这在当初是为了 1kb,现在是时候重新审视这个问题了
第二,fre 在常规操作上,也慢一丢丢,这是由于时间切片本身就会拖慢总体渲染时长
总结就是,框架之间差距不大,但革命尚未成功,小兵仍需努力
基于 LIS 的 diff 算法
fre 2.3 版本实现了新的 diff 算法,这应该也是我最后一次重构 fre 这部分算法了
它现在使用和 vue3 一样的算法,但代码量比 vue3 少得多,这也是上图中,swap rows 没有变红的原因,虽然也没绿
未来会基于这个算法进行优化,但还是那句话,这个基准仅供娱乐
很多人为了基准而精准优化,这不是初衷
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