Use UNSAFE.getLong() to speed up BitSetMethods#anySet()

chenghao-intel · May 5, 2015 · 4ca0ef6 · 4ca0ef6
1 parent 3e9b691
commit 4ca0ef6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/unsafe/src/main/java/org/apache/spark/unsafe/bitset/BitSetMethods.java b/unsafe/src/main/java/org/apache/spark/unsafe/bitset/BitSetMethods.java
@@ -78,7 +78,7 @@ public static boolean anySet(Object baseObject, long baseOffset, long bitSetWidt
         return true;
       }
     }
-    for (long i = SIZE_OF_LONG * widthInLong; i <= bitSetWidthInBytes; i++) {
+    for (long i = SIZE_OF_LONG * widthInLong; i < bitSetWidthInBytes; i++) {
       if (PlatformDependent.UNSAFE.getByte(baseObject, baseOffset + i) != 0) {
         return true;
       }