Re: "meson test" very slow on Windows

From: Patrick Steinhardt <ps@pks.im>
Date: Feb 2, 2025, 11:15 UTC
Message-ID: <Z59TzBKLHQJwXUBJ@pks.im>
In-Reply-To: <89612095-6b10-44a1-a29c-b143d67ce7da@kdbg.org>

On Sun, Feb 02, 2025 at 08:46:46AM +0100, Johannes Sixt wrote:

Show 5 quoted lines

> Am 01.02.25 um 23:56 schrieb M Hickford:
> > Hi. Has anyone else found that "meson test" is very slow on Windows? I
> > built Git using "meson compile" with compiler MSVC and backend ninja.
> 
> The tests are very slow on Windows in general.

Yeah, it's an unfortunate reality that tests are slow on Windows. It was also mentioned that the first ~20 tests are fast. This is expected, because the unit tests execute first, and these are way faster compared to the integration tests.

> Please clarify: when you say "very slow on Windows with meson", do you
> then mean "slower than with a Makefile build"?

Judging from my own tests there is no significant difference between the two build systems. But in case there is I'd be happy to learn about it.

Patrick