asonge

8 ms·

1.
by asonge 10y ago
Just to be clear, Javascript's arrays will, depending on the implementation, dynamically switch between sparse and compact implementations. A sparse javascript array literally behaves like a javascript object or a map with an integer i
2.
by asonge 10y ago
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 processes using threads, and can pre-empt...blocking the sc
3.
by asonge 10y ago
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 very small Macro that just returns the AST for a function ca
4.
by asonge 11y ago
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-breaking behavior to be exposed up the chain from any
5.
by asonge 11y ago
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 per connection. Consulting a local ubuntu install, the d
6.
by asonge 11y ago
As noted above, TCP connection limits are only on a unique 4-tuple of local-ip, local-port, remote-ip, remote-port.
7.
by asonge 11y ago
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 dozen levels between the Erlang AST and BEAM as well. T