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

Lawrence D'Oliveiro <[email protected]> Sun, 15 Jun 2025 20:59:43 -0000 (UTC)

Newsgroups	comp.lang.python
Organization	A noiseless patient Spider
Message-ID	<[email protected]>

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

> Lawrence D'Oliveiro <[email protected]> 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)>.