NEWS / UPGRADING

Author: TimWolla

Diff for: NEWS

@@ -26,6 +26,8 @@ PHP                                                                        NEWS
 - Hash:
   . Deprecated passing incorrect data types for options to ext/hash functions.
     (nielsdos)
+  . Added SSE2 and SHA-NI implementation of SHA-256. (timwolla, Colin Percival,
+    Graham Percival)
 
 - PHPDBG:
   . array out of bounds, stack overflow handled for segfault handler on windows.

Diff for: UPGRADING

@@ -955,6 +955,10 @@ PHP 8.4 UPGRADE NOTES
   . Improved the performance of FTP uploads up to a factor of 10x for large
     uploads.
 
+- Hash:
+  . Added SSE2 and SHA-NI implementations of SHA-256. This improves the performance
+    on supported CPUs by ~1.3x (SSE2) and 3x - 5x (SHA-NI).
+
 - MBString:
   . The performance of strspn() and strcspn() is greatly improved.
     They now run in linear time instead of being bounded by quadratic time.