Copy-on-write friendly Python garbage collection (Posting On Python-List Prohibited)

[Niles Rogoff]

On Mon, 01 Jan 2018 10:42:58 -0800, breamoreboy wrote:

> On Monday, January 1, 2018 at 10:14:59 AM UTC, wxjm... at gmail.com wrote:
>> Le lundi 1 janvier 2018 08:35:53 UTC+1, Lawrence D’Oliveiro a écrit :
>> > On Monday, January 1, 2018 at 7:52:48 AM UTC+13, Paul Rubin wrote:
>> > > I wonder if things would suffer if they tried a more aggressive
>> > > approach and ditched refcounting completely.
>> > 
>> > One thing that would suffer is Python’s well-behaved memory usage.
>> > You would need to start imposing heap usage limits, like you do in
>> > Java.
>> 
>> Memory:
>> 
>> >>> sys.getsizeof('abcdefghij' + '$')
>> 36
>> >>> sys.getsizeof('abcdefghij' + '€')
>> 60
>> >>> sys.getsizeof(('abcdefghij' + '€').encode('utf-8'))
>> 30
>> >>> sys.getsizeof('abcdefghij' + '\U00010000')
>> 84
>> >>> sys.getsizeof(('abcdefghij' + '\U00010000').encode('utf-8'))
>> 31
>> >>>
>> >>>
>> Performance:
>> "anti - utf-32"
>> 
>> Buggyness:
>> Better to not comment.
>> 
>> Python is the single language, which is presenting the opposite of what
>> Unicode.org offers on the side of memory *and* on the side of
>> performance, utf-8 *and* utf-32 !
>> 
>> Happy new year.
> 

He's right though. I would encourage anyone interested to check out 
http://utf8everywhere.org/
> Your usual drivel.  When are you going to stop banging this drum, you've
> done nothing else for the past five years?