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[Python-Dev] A fast startup patch (was: Python startup time)

Glenn Linderman v+python at g.nevcal.com
Sat May 5 14:25:00 EDT 2018 
On 5/5/2018 10:30 AM, Toshio Kuratomi wrote:
> On Fri, May 4, 2018, 7:00 PM Nathaniel Smith <njs at pobox.com 
> <mailto:njs at pobox.com>> wrote:
>
>     What are the obstacles to including "preloaded" objects in regular
>     .pyc files, so that everyone can take advantage of this without
>     rebuilding the interpreter?
>
>
> Would this make .pyc files arch specific?

Lots of room in the __pycache__ folder.

As compilation of the .py module proceeds, could it be determined if 
there is anything that needs to be architecture specific, and emit an 
architecture-specific one or an architecture-independent one as 
appropriate?  Data structures are mostly bitness-dependent, no?

But if an architecture-specific .pyc is required, could/should it be 
structured and named according to the OS conventions also:  .dll .so  .etc ?

Even if it doesn't contain executable code, the bytecode could be 
contained in appropriate data sections, and there has been talk about 
doing relocation of pointer in such pre-compiled data structures, and 
the linker _already_ can do that sort of thing...
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