Noratrieb/does-it-build
1
0
Fork 0
mirror of https://github.com/Noratrieb/does-it-build.git synced 2026-01-14 10:25:01 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

hacky way to configure parallelism

Browse source
This commit is contained in:
nora 2024-09-08 12:31:28 +02:00
parent 5ef63686f3
commit ae1f0b96e3
2 changed files with 10 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

3
README.md
View file

@ -5,12 +5,13 @@ A webapp that checks which Rust targets build at any nightly.
It does this by executing `cargo build --release -Zbuild-std=core` for every target and every nightly and displaying the result. It does this by executing `cargo build --release -Zbuild-std=core` for every target and every nightly and displaying the result.
There's a background job that continously builds every target for every target that it hasn't built yet. There's a background job that continously builds every target for every target that it hasn't built yet.
It does this in parallel, using half of the available threads. It does this in parallel, using half of the available threads (or `DOES_IT_BUILD_PARALLEL_JOBS`).
## Configuration ## Configuration
- `DB_PATH`: Path to SQlite DB to store the results - `DB_PATH`: Path to SQlite DB to store the results
- `DOES_IT_BUILD_PARALLEL_JOBS`: Parallel build jobs, defaults to cores/2.
## Deployment ## Deployment

12
src/build.rs
View file

@ -172,10 +172,14 @@ pub async fn build_every_target_for_toolchain(
.await .await
.wrap_err("failed to get targets")?; .wrap_err("failed to get targets")?;
let concurrent = std::thread::available_parallelism() let concurrent = std::env::var("DOES_IT_BUILD_PARALLEL_JOBS")
.unwrap_or(NonZeroUsize::new(2).unwrap()) .map(|jobs| jobs.parse().unwrap())
.get() .unwrap_or_else(|_| {
/ 2; std::thread::available_parallelism()
.unwrap_or(NonZeroUsize::new(2).unwrap())
.get()
/ 2
});
let results = futures::stream::iter( let results = futures::stream::iter(
targets targets