[code] replace num_cpus by std:🧵:available_parallelism

Cargo.lock

@@ -550,7 +550,6 @@ dependencies = [
  "actix-files",
  "actix-web",
  "clap",
- "num_cpus",
 ]
 
 [[package]]
@@ -666,12 +665,6 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
-[[package]]
-name = "hermit-abi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
-
 [[package]]
 name = "http"
 version = "0.2.11"
@@ -831,16 +824,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
-[[package]]
-name = "num_cpus"
-version = "1.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
-dependencies = [
- "hermit-abi",
- "libc",
-]
-
 [[package]]
 name = "object"
 version = "0.32.2"

Cargo.toml

@@ -6,7 +6,6 @@ edition = "2021"
 [dependencies]
 actix-web = { version = "4", features = ["experimental-io-uring"] }
 actix-files = "0.6"
-num_cpus = "1"
 clap = { version = "4", features = ["cargo", "derive"] }
 
 [profile.release]

src/main.rs

@@ -2,6 +2,7 @@ use actix_web::{App, HttpServer};
 use std::env;
 use std::net::IpAddr;
 use std::net::SocketAddr;
+use std::thread::available_parallelism;
 
 use clap::{crate_name, crate_version, Parser};
 
@@ -37,7 +38,7 @@ async fn main() -> std::io::Result<()> {
                 .prefer_utf8(true),
         )
     })
-    .workers(num_cpus::get())
+    .workers(available_parallelism().unwrap().get())
     .bind(sock)?
     .run()
     .await