Groups > comp.lang.python > #197514

Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)

From	Paul Rubin <no.email@nospam.invalid>
Newsgroups	comp.lang.python
Subject	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)
Date	2025-06-14 18:25 -0700
Organization	A noiseless patient Spider
Message-ID	<87y0tt23uh.fsf@nightsong.com> (permalink)
References	<102isqb$3v5j0$2@dont-email.me> <8734c236kc.fsf@nightsong.com> <102kvhu$fjtb$1@dont-email.me>

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Lawrence D'Oliveiro <ldo@nz.invalid> writes:
>> Try using Erlang a little,  It has preemptive lightweight processes and
>> it is great.  Much better than async/await imho.
>
> Those are called “threads”. Python already has those, and the ongoing 
> “noGIL” project will make them even more useful.

Erlang's lightweight processes are called "processes" rather than
"threads" since they don't give the appearance of having shared memory.
They communicate by passing data through channels.  From the
application's perspective, that is always done by copying the data,
although the VM sometimes optimizes away the copying behind the scenes.

Python has OS threads but they are way more expensive than Erlang
processes.  Programming with them in an Erlang-like style still can work
pretty well.

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Thread

Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-14 04:11 +0000
  Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Paul Rubin <no.email@nospam.invalid> - 2025-06-14 04:29 -0700
    Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-14 23:10 +0000
      Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Paul Rubin <no.email@nospam.invalid> - 2025-06-14 18:25 -0700
        Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-15 02:13 +0000
          Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Paul Rubin <no.email@nospam.invalid> - 2025-06-15 13:24 -0700
            Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-15 20:59 +0000
              Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Paul Rubin <no.email@nospam.invalid> - 2025-06-15 14:33 -0700
                Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-16 01:14 +0000
                Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Paul Rubin <no.email@nospam.invalid> - 2025-06-15 21:02 -0700
                Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-06-17 02:12 +0000
  Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited) Mild Shock <janburse@fastmail.fm> - 2025-06-14 23:23 +0200
    async I/O via threads is extremly slow (Was: Does Python Need Virtual Threads?) Mild Shock <janburse@fastmail.fm> - 2025-06-23 13:29 +0200
      What does stats = await asyncio.to_thread(os.stat, url) do? (Was async I/O via threads is extremly slow) Mild Shock <janburse@fastmail.fm> - 2025-06-24 00:32 +0200
        What does the Async Detour usually cost (Was: What does stats = await asyncio.to_thread(os.stat, url) do?) Mild Shock <janburse@fastmail.fm> - 2025-06-24 00:42 +0200
          Which Python System is affected? (Was: What does the Async Detour usually cost) Mild Shock <janburse@fastmail.fm> - 2025-06-24 00:48 +0200
            Schachner, Joseph was the Big Moron [September 2021 16:30] (Was: Which Python System is affected?) Mild Shock <janburse@fastmail.fm> - 2025-06-24 08:53 +0200

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