Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/15907#discussion_r88627152
--- Diff:
core/src/main/java/org/apache/spark/util/collection/unsafe/sort/RadixSort.java
---
@@ -40,28 +42,28 @@
* of always copying the data back to position zero for
efficiency.
*/
public static int sort(
- LongArray array, int numRecords, int startByteIndex, int
endByteIndex,
+ LongArray array, long numRecords, int startByteIndex, int
endByteIndex,
boolean desc, boolean signed) {
assert startByteIndex >= 0 : "startByteIndex (" + startByteIndex + ")
should >= 0";
assert endByteIndex <= 7 : "endByteIndex (" + endByteIndex + ") should
<= 7";
assert endByteIndex > startByteIndex;
assert numRecords * 2 <= array.size();
- int inIndex = 0;
- int outIndex = numRecords;
+ long inIndex = 0;
+ long outIndex = numRecords;
if (numRecords > 0) {
long[][] counts = getCounts(array, numRecords, startByteIndex,
endByteIndex);
for (int i = startByteIndex; i <= endByteIndex; i++) {
if (counts[i] != null) {
sortAtByte(
array, numRecords, counts[i], i, inIndex, outIndex,
desc, signed && i == endByteIndex);
- int tmp = inIndex;
+ long tmp = inIndex;
inIndex = outIndex;
outIndex = tmp;
}
}
}
- return inIndex;
+ return Ints.checkedCast(inIndex);
--- End diff --
cc @rxin
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