Create a simple profiler for Rust code

packages/core/package.json

@@ -5,7 +5,7 @@
     "type": "git",
     "url": "git+https://github.com/nukeop/nuclear.git"
   },
-  "author": "nukeop <nukeop@gumblert.tech>",
+  "author": "nukeop <12746779+nukeop@users.noreply.github.com>",
   "license": "AGPL-3.0",
   "bugs": {
     "url": "https://github.com/nukeop/nuclear/issues"
@@ -58,4 +58,4 @@
     "ts-node": "^10.7.0",
     "typescript": "^4.2.4"
   }
-}
+}

packages/i18n/package.json

@@ -5,7 +5,7 @@
     "type": "git",
     "url": "git+https://github.com/nukeop/nuclear.git"
   },
-  "author": "nukeop <nukeop@gumblert.tech>",
+  "author": "nukeop <12746779+nukeop@users.noreply.github.com>",
   "license": "AGPL-3.0",
   "bugs": {
     "url": "https://github.com/nukeop/nuclear/issues"
@@ -25,4 +25,4 @@
     "ts-node": "^10.7.0",
     "typescript": "^4.2.4"
   }
-}
+}

packages/main/package.json

@@ -13,7 +13,7 @@
     "type": "git",
     "url": "git+https://github.com/nukeop/nuclear.git"
   },
-  "author": "nukeop <nukeop@gumblert.tech>",
+  "author": "nukeop <12746779+nukeop@users.noreply.github.com>",
   "license": "AGPL-3.0",
   "bugs": {
     "url": "https://github.com/nukeop/nuclear/issues"

packages/scanner/Cargo.toml

@@ -8,6 +8,9 @@ exclude = ["index.node"]
 [lib]
 crate-type = ["cdylib"]
 
+[features]
+profiling = []
+
 [dependencies]
 derive_builder = "0.12.0"
 id3 = "1.7.0"
@@ -21,10 +24,7 @@ features = ["webp-encoder"]
 
 [dependencies.uuid]
 version = "1.3.4"
-features = [
-    "v4",       
-    "fast-rng"
-]
+features = ["v4", "fast-rng"]
 
 [dependencies.neon]
 version = "0.10"

packages/scanner/package.json

@@ -6,6 +6,7 @@
   "types": "index.d.ts",
   "scripts": {
     "build": "cargo-cp-artifact -nc index.node -- cargo build --message-format=json-render-diagnostics",
+    "build-profiling": "cargo-cp-artifact -nc index.node -- cargo build --message-format=json-render-diagnostics --features profiling",
     "build-debug": "npm run build --",
     "build-release": "npm run build -- --release",
     "install": "npm run build-release",

packages/scanner/src/lib.rs

@@ -4,6 +4,7 @@ mod error;
 mod js;
 mod local_track;
 mod metadata;
+mod profiling;
 mod scanner;
 mod thumbnails;
 use error::ScannerError;

packages/scanner/src/profiling.rs

@@ -0,0 +1,43 @@
+#[cfg(feature = "profiling")]
+pub struct Profiler {
+    label: String,
+    start: std::time::Instant,
+}
+
+#[cfg(feature = "profiling")]
+impl Profiler {
+    pub fn start(label: &str) -> Self {
+        Profiler {
+            label: label.to_owned(),
+            start: std::time::Instant::now(),
+        }
+    }
+
+    pub fn end(self) {
+        let duration = self.start.elapsed();
+        println!("{} - Elapsed time: {:?}", self.label, duration);
+    }
+}
+
+#[cfg(feature = "profiling")]
+impl Drop for Profiler {
+    fn drop(&mut self) {
+        let duration = self.start.elapsed();
+        println!("{} - Elapsed time: {:?}", self.label, duration);
+    }
+}
+
+// Provide no-op implementations when profiling feature is not enabled
+#[cfg(not(feature = "profiling"))]
+pub struct Profiler;
+
+#[cfg(not(feature = "profiling"))]
+impl Profiler {
+    pub fn start(_label: &str) -> Self {
+        Profiler {}
+    }
+
+    pub fn end(self) {
+        // Do nothing
+    }
+}

packages/scanner/src/thumbnails.rs

@@ -8,6 +8,8 @@ use metaflac::Tag as FlacTag;
 use std::io::{self, Cursor};
 use std::path::{Path, PathBuf};
 
+use crate::profiling::Profiler;
+
 pub trait ThumbnailGenerator {
     fn generate_thumbnail(filename: &str, thumbnails_dir: &str) -> Option<String>;
     fn read_image_data(filename: &str) -> Option<Vec<u8>>;
@@ -59,15 +61,26 @@ fn generate_thumbnail_common<T: ThumbnailGenerator>(
 }
 
 fn resize_and_save_thumbnail(data: &[u8], path: &Path) -> ImageResult<()> {
+    let _profiler = Profiler::start("resize_and_save_thumbnail");
     let img = get_resized_image(data)?;
     img.save_with_format(path, ImageFormat::WebP)
 }
 
 fn get_resized_image(data: &[u8]) -> Result<ImageBuffer<Rgba<u8>, Vec<u8>>, ImageError> {
-    ImageReader::new(Cursor::new(data))
-        .with_guessed_format()?
-        .decode()
-        .map(|img| resize(&img, 192, 192, FilterType::Lanczos3))
+    let img = ImageReader::new(Cursor::new(data));
+
+    let guess_format_profiler = Profiler::start("guess_format");
+    let format = img.with_guessed_format()?;
+    guess_format_profiler.end();
+
+    let decode_start = Profiler::start("decode");
+    let decoded = format.decode()?;
+    decode_start.end();
+
+    let resize_start = Profiler::start("resize");
+    let resized = resize(&decoded, 256, 256, FilterType::CatmullRom);
+    resize_start.end();
+    return Ok(resized);
 }
 
 fn create_and_get_thumbnail_path(filename: &str, thumbnails_dir: &str) -> Option<String> {

packages/ui/package.json

@@ -2,7 +2,7 @@
 	"name": "@nuclear/ui",
 	"version": "0.6.30",
 	"description": "Nuclear - UI components",
-	"author": "nukeop <nukeop@gumblert.tech>",
+	"author": "nukeop <12746779+nukeop@users.noreply.github.com>",
 	"homepage": "https://github.com/nukeop/nuclear/tree/master/packages/ui#readme",
 	"license": "AGPL-3.0",
 	"files": [
@@ -93,4 +93,4 @@
 		"styled-components": "^4.4.1",
 		"yup": "^0.32.9"
 	}
-}
+}