Content about #Performance

Kobako is a sandbox I recently built on WebAssembly and mruby for the Ruby ecosystem, in support of Harness Engineering, to fill the gap where AI-written code has no safe environment to run in.

I already introduced Kobako’s design in a previous post, so this time I want to talk about performance. In its early versions, the Cold Start (the initial startup) took roughly 500 ms. That’s a lot slower than the 200 ms response time you’d usually aim for as a best practice. Even though AI generally tolerates slower responses, this isn’t about waiting on an LLM, so it still deserves to be judged by traditional API standards.