I think v8 does cache machine code in some cases. There are a couple of flags in chrome://flags you'll want to look at: V8 Caching Mode, V8 caching strategy fo

I think v8 does cache machine code in some cases. There are a couple of flags in chrome://flags you'll want to look at: V8 Caching Mode, V8 caching strategy for CacheStorage https://v8project.blogspot.ca/2015/07/code-caching.html https://v8project.blogspot.ca/2015/07/code-caching.html Edit: Not the same as snapshots mentioned in the article