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

From Mild Shock <janburse@fastmail.fm>
Newsgroups comp.lang.python
Subject Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)
Date 2025-06-14 23:23 +0200
Message-ID <102kp89$q8c6$1@solani.org> (permalink)
References <102isqb$3v5j0$2@dont-email.me>

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Concerning virtual threads the only problem
with Java I have is, that JDK 17 doesn't have them.
And some linux distributions are stuck with JDK 17.

Otherwise its not an idea that belongs solely
to Java, I think golang pioniered them with their
goroutines. I am planning to use them more heavily

when they become more widely available, and I don't
see any principle objection that Python wouldn't
have them as well. It would make async I/O based

on async waithing for a thread maybe more lightweight.
But this would be only important if you have a high
number of tasks.

Lawrence D'Oliveiro schrieb:
> 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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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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