JavaScript component-level CPU costs

Stoyan (@stoyanstefanov) is a Facebook engineer, former Yahoo!, writer ("JavaScript Patterns", "React: Up and Running"), speaker (JSConf, Velocity, Fronteers), toolmaker (Smush.it, YSlow 2.0) and a guitar hero wannabe. Let’s talk a bit about keeping tabs on how much CPU is consumed by an application’s JavaScript. And let’s frame the discussion around components – the atomic building blocks of the

[yosuke_furukawa]

今年も始まったか

[efcl]

`--enable-thread-instruction-count`、Puppeteer、`performance.mark`を使い、`chrome://tracing`のトレース情報からCPUコストを取得する話