[erlang-bugs] Erlang 18.0-rc1 is behaving slower than 17.4 (and 17.5)

[Björn-Egil Dahlberg]

2015-04-13 18:44 GMT+02:00 José Valim <jose.valim@REDACTED>:

> *3. The emulator in 18.0 takes considerably more memory than 17.3*
>
> After running observer:start() on both, 18.0 takes 55MB while 17.3 takes
> only 18MB.
>

This is most likely due to multiple timer wheels in 18. We now have one
wheel per scheduler and a larger wheel to boot. I'm unsure to why it is so
large though. Rickard? TIW 16x larger?

You can see the size vary with +S <n> switch.

// Björn-Egil
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