[Stackless] Planning Stackless Lite
tismer at stackless.com
Tue Jan 19 23:06:34 CET 2010
Well it is quite similar to PyPy, but more pragmatic since it will
work in short time and carries only a small baggage. I will try to
make a minimum kernel that does not need Psyco with all its current
complexity. What I use is just what I learned, and some extracts from
those projects. Dependencies are bad, code is bad. Minimize what you
can. Ciao - chris
Sent from my iPhone
On 19.01.2010, at 21:48, Henning Diedrich <hd at authentic-internet.de>
> Wow. Is this going to replace efforts to "implement stackless in
> PyPy"? If those still exist?
> Christian Tismer wrote:
>> Hit the wrong button...
>> The idea is to implement the code for context switching using
>> Psyco's technology and by patching Python at runtime. Patching the
>> Python source is no longer necessary. Instead, certain important
>> locations in the interpreter will be analysed at runtime. Stackless
>> will have descriptions of these places that allow to generate code
>> to unwrap and restorr the stack and to jump to these locations.
>> The approach is not easy, since it involves partial disassembling
>> of machine code. Also it is more platform dependant than ever. But
>> it is the most versatile solution I can come up with.
>> The Stackless module which is hard-wired into Stackless will become
>> a plain Python module that can take full advantage of Psyco.
>> That's just a short brain-dump. I' happy to get your thoughts. Ciao
>> - chris
>> Sent from my iPhone
>> On 19.01.2010, at 19:29, Christian Tismer <tismer at stackless.com>
>>> I have a new concept in mind that might replace Stackless as it is
>>> known. Just a quock note, as I am away from my machine.
>>> The plan is to get a Stackless without any restrictions, as a
>>> plain extension module, and with full Psyco support.
>>> Sounds like an April joke? No, I'm just leveling up on
>>> craziness. ;-)
>>> Sent from my iPhone
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