Groups > comp.lang.python > #197517

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

From	Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups	comp.lang.python
Subject	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)
Date	2025-06-15 20:59 +0000
Organization	A noiseless patient Spider
Message-ID	<102nc7v$14c9g$1@dont-email.me> (permalink)
References	(1 earlier) <8734c236kc.fsf@nightsong.com> <102kvhu$fjtb$1@dont-email.me> <87y0tt23uh.fsf@nightsong.com> <102la8c$l3km$5@dont-email.me> <87tt4g21nr.fsf@nightsong.com>

Show all headers | View raw

On Sun, 15 Jun 2025 13:24:56 -0700, Paul Rubin wrote:

> Lawrence D'Oliveiro <ldo@nz.invalid> writes:
>>
>> Remember, Python’s threads are OS threads. If you’re thinking
>> “expensive”, you must be assuming “Microsoft Windows”.
> 
> Let's see how CPython holds up with a million OS threads running.

Linux can already run hundreds of thousands of processes/threads (there’s 
not a lot of difference between the two on Linux). Remember why pid_t is 
32 bits, not 16 bits.

See the definition of /proc/sys/kernel/threads-max
<https://manpages.debian.org/proc_sys_kernel(5)>.

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar

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

csiph-web