[erlang-questions] Efficiency of a list construction

[Ulf Wiger]

On 20 May 2011, at 13:08, Paul Barry wrote:

> Both books talk about the efficiency of tail recursion over direct
> recursion with a bit of talk about how the run-time may optimize for
> code that isn't tail recursive to improve its performance.  The
> suggestion seems to be that in older versions of the run-time, tail
> recursion won hands down, but that nowadays this may not always be the
> case.  Is there an update on this?

The Erlang/OTP Efficiency Guide is the most up-to-date document on the matter.

E.g. Chapter 5.4  - Why you should not worry about recursive lists functions

http://www.erlang.org/doc/efficiency_guide/listHandling.html#id64754

BR,
Ulf W

Ulf Wiger, CTO, Erlang Solutions, Ltd.
http://erlang-solutions.com



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