Add cpu features detection

Author: Brooooooklyn

.github/workflows/CI.yml

@@ -28,6 +28,10 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with:
           targets: ${{ matrix.settings.target }}
+      - name: print cpu features
+        run: |
+          rustup toolchain install nightly
+          cargo +nightly run --example cpu_features
       - name: Run benchmarks
         run: cargo test
 
@@ -39,6 +43,10 @@ jobs:
             os: ubuntu-latest
           - target: x86_64-pc-windows-msvc
             os: windows-latest
+          - target: aarch64-unknown-linux-gnu
+            os: ubuntu-24.04-arm
+          - target: aarch64-apple-darwin
+            os: macos-latest
       fail-fast: false
     runs-on: ${{ matrix.settings.os }}
     steps:

Cargo.lock

@@ -1,11 +1,11 @@
+[workspace]
+members = ["cpu-features"]
+
 [package]
-name = "string-escape-simd"
+name = "json-escape-simd"
 version = "0.1.0"
-edition = "2021"
-
-[features]
-nightly = [] # For benchmark
-default = []
+edition = "2024"
+rust-version = "1.89.0"
 
 [[example]]
 name = "escape"
@@ -22,6 +22,7 @@ anyhow = "1"
 criterion = { version = "0.7", features = ["html_reports"] }
 serde_json = "1"
 v_jsonescape = "0.7"
+json-escape = "0.1.1"
 
 [profile.bench]
 lto = true
@@ -30,4 +31,4 @@ codegen-units = 1
 [profile.instruments]
 inherits = "release"
 lto = false
-debug = true
+debug = true

Cargo.toml

@@ -1,6 +1,6 @@
 use std::hint::black_box;
 
-use criterion::{criterion_group, criterion_main, Criterion};
+use criterion::{Criterion, criterion_group, criterion_main};
 
 use string_escape_simd::{encode_str, encode_str_fallback};
 
@@ -11,9 +11,15 @@ fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("escape v_jsonescape", |b| {
         b.iter(|| black_box(v_jsonescape::escape(FIXTURE).to_string()))
     });
+    c.bench_function("json-escape", |b| {
+        b.iter(|| black_box(json_escape::escape_str(FIXTURE).collect::<String>()))
+    });
     c.bench_function("escape software", |b| {
         b.iter(|| black_box(encode_str_fallback(FIXTURE)))
     });
+    c.bench_function("serde_json", |b| {
+        b.iter(|| black_box(serde_json::to_string(FIXTURE).unwrap()))
+    });
 }
 
 criterion_group!(benches, criterion_benchmark);

benches/escape.rs

@@ -0,0 +1,8 @@
+[package]
+name = "cpu-features"
+version = "0.1.0"
+edition = "2024"
+rust-version = "1.89.0"
+
+[features]
+nightly = []