Switch to jemalloc (for 33% better performance)

elimirks · Dec 19, 2021 · 7e0c0bf · 7e0c0bf
1 parent f454623
commit 7e0c0bf
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Showing 3 changed files with 48 additions and 1 deletion.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -5,4 +5,5 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[dependencies]
+[dependencies]
+jemallocator = "0.3.2"
diff --git a/src/main.rs b/src/main.rs
@@ -23,6 +23,10 @@ struct Opts {
     inputs: Vec<String>,
 }
 
+// jemalloc performs a lot better in multithreaded applications
+#[global_allocator]
+static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
+
 fn main() {
     let opts = parse_opts();