[erlang-questions] calculating memory consumption
Fri Jan 22 07:17:10 CET 2010
On Fri, Jan 22, 2010 at 7:07 AM, Richard O'Keefe <> wrote:
> (The efficiency guide says that the range of fixnums is
> (-16#7FFFFFF < i <16#7FFFFFF), or 28 bits. I've always
> hoped that that was simply an incomplete edit, and that
> 64-bit Erlang allowed 60-bit fixnums. If not, why not?
It is an incomplete edit. Fixnums *are* 60 bits on a 64-bit machine.
Björn Gustavsson, Erlang/OTP, Ericsson AB
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