Groups > comp.lang.python > #197509

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

From	Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups	comp.lang.python
Subject	Does Python Need Virtual Threads? (Posting On Python-List Prohibited)
Date	2025-06-14 04:11 +0000
Organization	A noiseless patient Spider
Message-ID	<102isqb$3v5j0$2@dont-email.me> (permalink)

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Short answer: no.

<https://discuss.python.org/t/add-virtual-threads-to-python/91403>

Firstly, anybody appealing to Java as an example of how to design a 
programming language should immediately be sending your bullshit detector 
into the yellow zone.

Secondly, the link to a critique of JavaScript that dates from 2015, from 
before the language acquired its async/await constructs, should be another 
warning sign.

Looking at that Java spec, a “virtual thread” is just another name for 
“stackful coroutine”. Because that’s what you get when you take away 
implicit thread preemption and substitute explicit preemption instead.

The continuation concept is useful in its own right. Why not concentrate 
on implementing that as a new primitive instead?

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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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