Ruby has been fast enough for 13 years
DHH
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With things like AWS and DigitalOcean these days, performance is cheaper than ever.

It’s insane how many times I see developers spending two weeks at $5k / week in salary to optimize a piece of code that an additional $40 / month server would solve.

The example above isn’t uncommon and the return on investment there would take more than 20 years.

I’m not saying build non-performant code but the trade offs are real and there are always more important problems to solve.

And if you really need performance for a particular process, take a look at Godfrey Chan’s talk on using Rust as a compiled, highly performant option with Rails (via Helix, no less), which gives you the best of both worlds.

Be smart, use your time and happiness wisely.