Speeding up subprocess/deno.run

[joelkennedy]

I'm running a webserver with Deno which executes third party code. To isolate that code, I'm using Deno.run to create a new Deno instance to sandbox it, but also to set a memory limit on that code via V8 flags.

At the moment, Deno is taking about 40-50ms to start a new Deno instance via Deno.run, for it to console.log('Hello World') and self.close(). Is there a way of speeding this up at all? Perhaps passing in a V8 flag or an alternative to Deno.run?