[Backport maintenance/v3.x] Fix hasher performance degredation caused by rust upgrade (#427)

github-actions[bot] · roryharr · web-flow · commit 6c05aa0f3737 · 2025-11-04T21:55:42.000+01:00
Fix hasher performance degredation caused by rust upgrade (#426) (cherry picked from commit f544553) Co-authored-by: Rory Harris <rory.harris@anza.xyz>
diff --git a/sha256-hasher/src/lib.rs b/sha256-hasher/src/lib.rs
@@ -12,14 +12,19 @@ pub struct Hasher {
 
 #[cfg(all(feature = "sha2", not(target_os = "solana")))]
 impl Hasher {
+    #[inline(always)]
     pub fn hash(&mut self, val: &[u8]) {
         self.hasher.update(val);
     }
+
+    #[inline(always)]
     pub fn hashv(&mut self, vals: &[&[u8]]) {
         for val in vals {
             self.hash(val);
         }
     }
+
+    #[inline(always)]
     pub fn result(self) -> Hash {
         let bytes: [u8; solana_hash::HASH_BYTES] = self.hasher.finalize().into();
         bytes.into()

Original file line number	Diff line number	Diff line change
`@@ -12,14 +12,19 @@ pub struct Hasher {`
`12`	`12`
`13`	`13`	`#[cfg(all(feature = "sha2", not(target_os = "solana")))]`
`14`	`14`	`impl Hasher {`
	`15`	`+ #[inline(always)]`
`15`	`16`	`pub fn hash(&mut self, val: &[u8]) {`
`16`	`17`	`self.hasher.update(val);`
`17`	`18`	`}`
	`19`	`+`
	`20`	`+ #[inline(always)]`
`18`	`21`	`pub fn hashv(&mut self, vals: &[&[u8]]) {`
`19`	`22`	`for val in vals {`
`20`	`23`	`self.hash(val);`
`21`	`24`	`}`
`22`	`25`	`}`
	`26`	`+`
	`27`	`+ #[inline(always)]`
`23`	`28`	`pub fn result(self) -> Hash {`
`24`	`29`	`let bytes: [u8; solana_hash::HASH_BYTES] = self.hasher.finalize().into();`
`25`	`30`	`bytes.into()`