If you need ultimate performance, you need native implementation, end of story. Webassembly, as I see it, is about creating VM which provides acceptable perfor

If you need ultimate performance, you need native implementation, end of story. Webassembly, as I see it, is about creating VM which provides acceptable performance with ultimate sandboxing. It's a replacement for JavaScript transpilation, not for JVM. Of course it's tempting to do it all without sacrificing anything, but I guess you can't have a cake and eat it too.