use par_sort

src/main.rs

@@ -103,17 +103,16 @@ fn main() {
         })
         .collect();
 
-    let mut stdout = term::stdout().unwrap();
+    dat.par_sort();
 
-    dat.sort();
     let oldlen = dat.len();
-
+    let mut newlen = 0usize;
+    let mut stdout = term::stdout().unwrap();
     let mut accu = BTreeMap::<
         (i32, bool, String),
         (usize, transaction::TransactionValue, String, usize),
     >::new();
 
-    let mut newlen = 0usize;
     for i in dat.into_iter().dedup() {
         newlen += 1;
         let mut ent = accu