Split CI into parallel jobs; fix formatting

Author: Marenz

.github/workflows/ci.yml

@@ -10,32 +10,58 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  check:
-    name: Check & Test
+  fmt:
+    name: Formatting
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo fmt -- --check
 
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
 
+      - name: Patch candle deps for CI
+        run: |
+          sed -i 's|candle-core = { path = "[^"]*" }|candle-core = "0.9"|' Cargo.toml
+          sed -i 's|candle-nn = { path = "[^"]*" }|candle-nn = "0.9"|' Cargo.toml
+          sed -i 's|candle-transformers = { path = "[^"]*" }|candle-transformers = "0.9"|' Cargo.toml
+
+      - run: cargo build --no-default-features
+
+  test:
+    name: Tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
 
-      # Candle deps use local path refs that don't exist in CI.
-      # Swap them for the matching crates.io release.
       - name: Patch candle deps for CI
         run: |
           sed -i 's|candle-core = { path = "[^"]*" }|candle-core = "0.9"|' Cargo.toml
           sed -i 's|candle-nn = { path = "[^"]*" }|candle-nn = "0.9"|' Cargo.toml
           sed -i 's|candle-transformers = { path = "[^"]*" }|candle-transformers = "0.9"|' Cargo.toml
 
-      - name: Check formatting
-        run: cargo fmt -- --check
+      - run: cargo test --no-default-features
 
-      - name: Build (CPU only)
-        run: cargo build --no-default-features
+  clippy:
+    name: Clippy
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
 
-      - name: Run tests
-        run: cargo test --no-default-features
+      - name: Patch candle deps for CI
+        run: |
+          sed -i 's|candle-core = { path = "[^"]*" }|candle-core = "0.9"|' Cargo.toml
+          sed -i 's|candle-nn = { path = "[^"]*" }|candle-nn = "0.9"|' Cargo.toml
+          sed -i 's|candle-transformers = { path = "[^"]*" }|candle-transformers = "0.9"|' Cargo.toml
 
-      - name: Clippy
-        run: cargo clippy --no-default-features -- -D warnings
+      - run: cargo clippy --no-default-features -- -D warnings

examples/bench_text_encoder.rs

@@ -55,7 +55,9 @@ fn bench(label: &str, encoder: &mut Qwen3TextEncoder, device: &Device) -> anyhow
     let min = times.iter().cloned().fold(f64::INFINITY, f64::min);
     let max = times.iter().cloned().fold(f64::NEG_INFINITY, f64::max);
 
-    println!("{label:6}  mean={mean:7.1}ms  min={min:7.1}ms  max={max:7.1}ms  (seq_len={SEQ_LEN}, {ITERS} iters)");
+    println!(
+        "{label:6}  mean={mean:7.1}ms  min={min:7.1}ms  max={max:7.1}ms  (seq_len={SEQ_LEN}, {ITERS} iters)"
+    );
     Ok(())
 }
 

examples/radio_daemon.rs

@@ -38,7 +38,7 @@
 use std::io::{self, BufRead, BufReader, Write};
 use std::os::unix::net::{UnixListener, UnixStream};
 use std::sync::atomic::{AtomicBool, AtomicU8, AtomicUsize, Ordering};
-use std::sync::{mpsc, Arc, Mutex};
+use std::sync::{Arc, Mutex, mpsc};
 use std::thread;
 
 use ace_step_rs::manager::{GenerationManager, ManagerConfig};

src/audio/ogg.rs

@@ -2,7 +2,7 @@
 
 use crate::Result;
 use std::io::Write;
-use std::num::{NonZeroU32, NonZeroU8};
+use std::num::{NonZeroU8, NonZeroU32};
 
 pub fn write_ogg_to<W: Write>(
     writer: W,

src/audio/wav.rs

@@ -175,7 +175,7 @@ mod tests {
         let prev = vec![1.0f32; 16]; // 8 stereo frames
         let next = vec![0.0f32; 16];
         let result = crossfade(&prev, &next, 4, 2); // 4-frame crossfade
-                                                    // (16-8) + 8 + (16-8) = 24
+        // (16-8) + 8 + (16-8) = 24
         assert_eq!(result.len(), 24);
     }
 

src/bin/generation-daemon.rs

@@ -304,13 +304,23 @@ async fn process_request(line: &str, manager: &GenerationManager) -> Response {
         Err(e) => return Response::err(format!("generation failed: {e}")),
     };
 
-    if let Err(e) = write_audio(&output_path, &audio.samples, audio.sample_rate, audio.channels) {
+    if let Err(e) = write_audio(
+        &output_path,
+        &audio.samples,
+        audio.sample_rate,
+        audio.channels,
+    ) {
         return Response::err(format!("failed to write audio file: {e}"));
     }
 
     tracing::info!(output = %output_path, "done");
 
-    Response::ok(output_path, req.duration_s, audio.sample_rate, audio.channels)
+    Response::ok(
+        output_path,
+        req.duration_s,
+        audio.sample_rate,
+        audio.channels,
+    )
 }
 
 async fn send_response(

src/manager.rs

@@ -211,7 +211,9 @@ fn offload_to_cpu(
                 Err(gpu_error) => {
                     // Total failure — panic so the thread dies and the channel closes,
                     // which will surface as errors to all future callers.
-                    panic!("both CPU offload and GPU reload failed: offload={reload_error}, gpu={gpu_error}");
+                    panic!(
+                        "both CPU offload and GPU reload failed: offload={reload_error}, gpu={gpu_error}"
+                    );
                 }
             }
         }

src/model/encoder/text.rs

@@ -152,7 +152,9 @@ pub fn format_metas(
         Some(d) if d > 0.0 => format!("{} seconds", d as u32),
         _ => "N/A".to_string(),
     };
-    format!("- bpm: {bpm_str}\n- timesignature: {ts_str}\n- keyscale: {ks_str}\n- duration: {dur_str}\n")
+    format!(
+        "- bpm: {bpm_str}\n- timesignature: {ts_str}\n- keyscale: {ks_str}\n- duration: {dur_str}\n"
+    )
 }
 
 /// Format lyrics into the ACE-Step v1.5 lyric template.

src/radio.rs

@@ -9,7 +9,7 @@
 
 use std::collections::VecDeque;
 
-use crate::pipeline::{format_metas, AceStepPipeline, GeneratedAudio, GenerationParams};
+use crate::pipeline::{AceStepPipeline, GeneratedAudio, GenerationParams, format_metas};
 
 /// A request for a single song.
 #[derive(Debug, Clone)]

src/vae.rs

@@ -6,7 +6,7 @@
 //!
 //! Uses weight-norm loading via `candle_transformers::models::encodec`.
 
-use candle_core::{IndexOp, Module, Result, Tensor, D};
+use candle_core::{D, IndexOp, Module, Result, Tensor};
 use candle_nn::{Conv1d, Conv1dConfig, ConvTranspose1d, ConvTranspose1dConfig, VarBuilder};
 use candle_transformers::models::encodec;