Add prefetchCDictTables CCtxParam

2022-06-22 16:13:07 -04:00
parent f5c4ec4658
commit 2a128110d0
5 changed files with 38 additions and 1 deletions
@@ -500,6 +500,11 @@ size_t ZSTD_compressBlock_fast_dictMatchState_generic(
     * when translating a dict index into a local index */
    assert(prefixStartIndex >= (U32)(dictEnd - dictBase));

+    if (ms->prefetchCDictTables) {
+        size_t const hashTableSize = ((size_t)1) << dictCParams->hashLog;
+        PREFETCH_AREA(dictHashTable, hashTableSize * sizeof(U32))
+    }
+
    /* init */
    DEBUGLOG(5, "ZSTD_compressBlock_fast_dictMatchState_generic");
    ip0 += (dictAndPrefixLength == 0);