From e6d0f91832662dada7a36cbf06e112843a5167a1 Mon Sep 17 00:00:00 2001
From: Syrus <me@syrusakbary.com>
Date: Tue, 26 Feb 2019 01:12:34 -0800
Subject: [PATCH] Use blake2b SIMD version for increased performance

---
 lib/runtime-core/src/cache.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/runtime-core/src/cache.rs b/lib/runtime-core/src/cache.rs
index ec2b0b01f..339b78fcc 100644
--- a/lib/runtime-core/src/cache.rs
+++ b/lib/runtime-core/src/cache.rs
@@ -2,7 +2,7 @@ use crate::{
     module::{Module, ModuleInfo},
     sys::Memory,
 };
-use blake2b_simd::blake2b;
+use blake2b_simd::blake2bp;
 use std::{fmt, io, mem, slice};
 
 #[derive(Debug)]
@@ -45,7 +45,10 @@ impl WasmHash {
         let mut first_part = [0u8; 32];
         let mut second_part = [0u8; 32];
 
-        let mut hasher = blake2b(wasm);
+        let mut state = blake2bp::State::new();
+        state.update(wasm);
+
+        let mut hasher = state.finalize();
         let generic_array = hasher.as_bytes();
 
         first_part.copy_from_slice(&generic_array[0..32]);