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test: disable optimizations when testing #77

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merged 1 commit into from
Aug 3, 2024
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BurntSushi
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I was getting pretty tired of the long compile times in between test
runs. I thought they seemed particularly long for debug mode. It turns
out that I had actually set opt-level = 3 for running tests. This was
because there were a select few tests that ran quite long in debug mode.
But iteration time is important, so I trimmed down those tests and
disabled optimizations. Tests run much more quickly now after making a
change to the source code.

We also add cargo test --profile testrelease to CI. This is just like
normal tests, but disables debug_assertions. Jiff has a lot of extra
stuff going on when debug_assertions are enabled due to its internal
ranged integer abstraction. So it's useful to run tests without all that
extra stuff too (reflecting what is intended to be run in production).

@BurntSushi
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The nightly CI runner has now dropped from 5m43s to 3m7s. w00t!

I was getting pretty tired of the long compile times in between test
runs. I thought they seemed particularly long for debug mode. It turns
out that I had actually set `opt-level = 3` for running tests. This was
because there were a select few tests that ran quite long in debug mode.
But iteration time is important, so I trimmed down those tests and
disabled optimizations. Tests run much more quickly now after making a
change to the source code.

We also add `cargo test --profile testrelease` to CI. This is just like
normal tests, but disables `debug_assertions`. Jiff has a lot of extra
stuff going on when `debug_assertions` are enabled due to its internal
ranged integer abstraction. So it's useful to run tests without all that
extra stuff too (reflecting what is intended to be run in production).

Finally, we split win-gnu out to its own CI job and run a stripped down
set of tests. Regretable, but it's *twice* as slow as the next slowest
runner. That's sucks enough that we'll just live with worse test
coverage until this becomes an obvious problem. (I'm also not even sure
anyone is using this target anyway. It's not clear why anyone would.)
@BurntSushi BurntSushi merged commit d5f5f45 into master Aug 3, 2024
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@BurntSushi BurntSushi deleted the ag/disable-opt-tests branch August 3, 2024 23:06
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