Disabling Desktop Brower Javscript JIT: Please Experiment!

[bombcar]

@Syonyk

Literally any Javascript benchmark in Lockdown vs not Lockdown will tell you. Their performance is horrid without JIT, because they’re nothing but Javascript compute in hot loops - the sort of thing JIT is ideal for.

So on a fresh install on an older Intel MacBook Pro I get 150.343 at jetstream2 on browserbench.org and after lockdown is on, I get … well way slower as it’s still running hah