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Just to be clear, Javascript's arrays will, depending on the implementation, dynamically switch between sparse and compact implementations. A sparse javascript array literally beha…

There are a bunch of different performance differences, but a couple basic differences: 1) gc is per-process, not global/stop-the-world 2) the VM is responsible for scheduling proc…

Aside from pretty simple `__using__` macros, most Elixir devs come to appreciate macros and then elect not to use them in the most situations. Most people who do use macros have a …

I think this is exactly it. If you had a multi-paradigm language, you'd need not only just some way to break the rules easily and have that bubble up, you'd also want this rule-bre…

Doing some rough math and my limited understanding of linux network internals, it's about 40KB per connection in this benchmark. I know that cowboy is going to require ~4KB or so p…

As noted above, TCP connection limits are only on a unique 4-tuple of local-ip, local-port, remote-ip, remote-port.

Minor nitpick to the nitpick, since I dug down in Elixir's compiler before. Elixir spits out a normal Erlang AST, not a Core Erlang AST, which is a bit different. There are a half …