Change SipHash2-4 -> SipHash1-3 (#780)

This seems to significantly improves performance. Inspired by https://github.com/rust-lang/rust/pull/107925

1 files changed, 2 insertions, 2 deletions

diff --git a/src/util/mod.rs b/src/util/mod.rs
index c2b23273..b8bf90d2 100644
--- a/src/util/mod.rs
+++ b/src/util/mod.rs
@@ -12,7 +12,7 @@ use std::num::NonZeroUsize;
 use std::path::{Component, Path, PathBuf};
 use std::sync::Arc;
 
-use siphasher::sip128::{Hasher128, SipHasher};
+use siphasher::sip128::{Hasher128, SipHasher13};
 
 /// Turn a closure into a struct implementing [`Debug`].
 pub fn debug<F>(f: F) -> impl Debug
@@ -35,7 +35,7 @@ where
 
 /// Calculate a 128-bit siphash of a value.
 pub fn hash128<T: Hash + ?Sized>(value: &T) -> u128 {
-    let mut state = SipHasher::new();
+    let mut state = SipHasher13::new();
     value.hash(&mut state);
     state.finish128().as_u128()
 }