Not long ago, Rails got ActionCable. ActionCable is an interface to WebSockets and (potentially) other methods of turning a normal sent-to-browser web page into a two-way connection that can keep exchanging data. There have been a lot of these attempts over the years - WebSockets, Server-Sent Events, Comet and Server Push (HTTP1 and HTTP2) are all protocols to do that. There have been many Ruby im
The new Ruby 2.6 preview 1 has JIT capability built in. Awesome! But it's still early. They say JIT doesn't help on Rails apps, for instance. Purely by coincidence, I happen to write a big concurrent Rails-based benchmark, which Takashi was hoping to see JIT results for. And I'm freshly back to part-time work after paternity leave. So how is its performance for Rails apps? Let's find out. (Disclai
Back in November, I posted speed results for Ruby 2.5.0 preview 1. It was barely faster than Ruby 2.4, which was a bit of a disappointment. However, one very important performance patch landed before it finished, which made a big difference in the final speed. How big? Let's see, shall we? Quick GraphsYou just want to see the graphs, I'll bet. I'm the same way. Here's a great start: total-time run
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