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

Sujet : Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)
De : ldo (at) *nospam* nz.invalid (Lawrence D'Oliveiro)
Groupes : comp.lang.python
Date : 15. Jun 2025, 21:59:43

Autres entêtes

Organisation : A noiseless patient Spider
Message-ID : <102nc7v$14c9g$1@dont-email.me>
References : 1 2 3 4 5 6
User-Agent : Pan/0.162 (Pokrosvk)

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)>.

Date	Sujet	#	Auteur
14 Jun 25	Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	17	Lawrence D'Oliveiro
14 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	10	Paul Rubin
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	9	Lawrence D'Oliveiro
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	8	Paul Rubin
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	7	Lawrence D'Oliveiro
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	6	Paul Rubin
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	5	Lawrence D'Oliveiro
15 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	4	Paul Rubin
16 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	3	Lawrence D'Oliveiro
16 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	2	Paul Rubin
17 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	1	Lawrence D'Oliveiro
14 Jun 25	Re: Does Python Need Virtual Threads? (Posting On Python-List Prohibited)	6	Mild Shock
23 Jun 25	async I/O via threads is extremly slow (Was: Does Python Need Virtual Threads?)	5	Mild Shock
23 Jun 25	What does stats = await asyncio.to_thread(os.stat, url) do? (Was async I/O via threads is extremly slow)	4	Mild Shock
23 Jun 25	What does the Async Detour usually cost (Was: What does stats = await asyncio.to_thread(os.stat, url) do?)	3	Mild Shock
23 Jun 25	Which Python System is affected? (Was: What does the Async Detour usually cost)	2	Mild Shock
24 Jun 25	Schachner, Joseph was the Big Moron [September 2021 16:30] (Was: Which Python System is affected?)	1	Mild Shock

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