From: Urabe Shyouhei <shyouhei@...>
Date: 2009-11-08T17:41:59+09:00
Subject: [ruby-core:26619] Re: HashWithIndifferentAccess to core

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Yusuke ENDOH wrote:
> Unfortunately, your patch has a serious problem; it lets RHash have
> four VALUEs, which makes any object require 24 bytes (traditionally
> 20 bytes) in 32 bit envirionment.

Slightly off-topic, but does this really matter?  1.9 has "embedded" RArr=
ay,
RBignum, RObject, RString, and RStruct, so extending VALUE size might ben=
efit
for small instances of those classes. Small strings and small user-define=
d
class objects are very common.  It might speed up the whole thing I suspe=
ct.
Yes, it breaks binary compatibility though.


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