Merge pull request #2040 from caoyzh/dev-2

Optimize by prefetching on aarch64
2020-04-08 13:14:47 -07:00
parent c0d4b2b5a3 7201980650
commit 5fcbc484c8
3 changed files with 11 additions and 0 deletions
@@ -102,6 +102,11 @@ ZSTD_compressBlock_fast_generic(
        const BYTE* match0 = base + matchIndex0;
        const BYTE* match1 = base + matchIndex1;
        U32 offcode;
+
+#if defined(__aarch64__)
+        PREFETCH_L1(ip0+256);
+#endif
+
        hashTable[h0] = current0;   /* update hash table */
        hashTable[h1] = current1;   /* update hash table */