[erlang-questions] Deprecation and removal of the non-smp emulator

Lukas Larsson <>
Tue Apr 4 09:55:38 CEST 2017


On Mon, Apr 3, 2017 at 6:34 PM, Tristan Sloughter <> wrote:

> First use case I thought of when I heard this news was 'erlc' itself :).
> It disables smp by default, right?
>

erlc uses the following startup flags: "erl +A0 +sbtu -noinput -mode
minimal -boot start_clean"

So, it uses the smp emulator if available.


> This gives a few milliseconds speedup in startup time when booting the VM
> which is mostly a non-issue but nice for cli tools.
>

If startup time is important, I think the time would be better spent
optimizing the startup time of the smp-emulator, then to maintain the
non-smp emulators just for it's startup speed.

Lukas
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