Elixir - is there a performance penalty using it instead of plain erlang?

Question

Elixir seems cool but I wonder about the downsides.. if any..

Are there any other potential downsides when choosing it over erlang ?

José Valim · Accepted Answer · 2013-08-25 10:52:09Z

40

Elixir reuses most of the compilation stack used by Erlang, so our bytecode is in general very close to the one you would get by compiling Erlang itself. In many cases, it just isn't the same because we include some reflection functions like __info__/1 in the compiled module. Also, there is no conversion cost in between calling Erlang and Elixir and it will never be.

answered Aug 25, 2013 at 10:52

José Valim

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GabiMe Over a year ago

Would like to see benchmarks comparisons of any sort. Could find any

Ryan Cromwell · Accepted Answer · 2013-08-24 21:57:35Z

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Since elixir compiles directly to Beam bytecode, you don't incure any intermediate costs like a jitter if that's your concern.

edited Aug 24, 2013 at 21:57

answered Aug 24, 2013 at 13:34

Ryan Cromwell

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2 Comments

GabiMe Over a year ago

Right but is the resulting byte code is as efficient as it could be?

Ryan Cromwell Over a year ago

I think you'll find this is localized to a) your chosen implementation and b) the constructs you choose in each language. I think you'll find this question hard to answer as a generalization.

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