WIP: optimizations for linux

src/views/render.rs

@@ -1,7 +1,8 @@
+use parking_lot::Mutex;
 use std::collections::hash_map::DefaultHasher;
 use std::collections::HashMap;
 use std::hash::{Hash, Hasher};
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 use std::time::Instant;
 
 use rand::rngs::StdRng;