Switch from jemalloc to mimalloc

Cargo.toml

@@ -33,9 +33,9 @@ hyper = { version = "0.14.16", default_features = false, features = [
   "http1",
 ], optional = true }
 ipext = "0.1.0"
-jemallocator = "0.3.2"
 libsodium-sys-stable = "1.19.21"
 log = { version = "0.4.14", features = ["std", "release_max_level_debug"] }
+mimalloc = { version = "0.1.29", default-features = false }
 socket2 = "0.4.4"
 parking_lot = "0.12.0"
 privdrop = "0.5.1"

src/main.rs

@@ -7,7 +7,7 @@
 #![allow(dead_code)]
 
 #[global_allocator]
-static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
+static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
 #[macro_use]
 extern crate derivative;