It would require a complete rewrite; I commented previously [0] describing how WebAssembly seems inappropriate for Doppio, and also discussed similar thoughts about SharedArrayBuffer [1]. Also, the main source of slowness is due to the fact that Doppio uses a JVM interpreter and does not JIT; it could be much faster than it currently is with additional engineering.<p>[0] <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11656373" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11656373</a><p>[1] <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11655922" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11655922</a>