RetroSearch Browse

Tue May 24 17:44:39 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-May/111625.html

On 5/24/2011 8:25 AM, Sturla Molden wrote:

> Artur Siekielski is not talking about cache locality, but copy-on-write
> fork on Linux et al.
>
> When reference counts are updated after forking, memory pages marked
> copy-on-write are copied if they store reference counts. And then he
> quickly runs out of memory. He wants to put reference counts and
> PyObjects in different pages, so only the pages with reference counts
> get copied.
>
> I don't think he cares about cache locality at all, but the rest of us
> do :-)

It seems clear that separating reference counts from objects satisfies a 
specialized need and should be done in a spedial, patched version of 
CPython rather than the general distribution.

-- 
Terry Jan Reedy

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://mail.python.org/pipermail/python-dev/2011-May/111625.html below:

storing reference counters outside of objects