Usually, financial companies will use one of the commercial realtime jvms - it's not just some tuning. Javascript being singlethreaded would certainly simplify

Usually, financial companies will use one of the commercial realtime jvms - it's not just some tuning. Javascript being singlethreaded would certainly simplify having a pauseless GC but it's still a nontrivial problem and I'm not sure how much that would benefit the browser use case.