Use mimalloc

Author: oech3

Cargo.lock

@@ -74,6 +74,9 @@ terminal_size = { workspace = true }
 textwrap = { workspace = true }
 uucore = { workspace = true }
 
+[target.'cfg(not(target_os = "macos"))'.dependencies]
+mimalloc = { version = "0.1.48", default-features = false, features = ["override"] }
+
 [dev-dependencies]
 chrono = { workspace = true }
 divan = { workspace = true }

Cargo.toml

@@ -6,6 +6,10 @@
 use std::ffi::OsString;
 use std::process;
 
+#[cfg(not(target_os = "macos"))]
+#[global_allocator]
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
+
 fn main() {
     // Detect multicall vs single-call BEFORE any uucore calls
     // This must happen first to set the utility name detection mode correctly