On Mon, 22 Sep 2025 20:28:13 GMT, Vladimir Yaroslavskiy <d...@openjdk.org> wrote:
>> src/java.base/share/classes/java/util/DualPivotQuicksort.java line 289: >> >>> 287: */ >>> 288: boolean isLargeRandom = >>> 289: // size > MIN_RADIX_SORT_SIZE && (sorter == null || bits >>> > 0) && >> >> Do we need an outcommented line of code? > > boolean isLargeRandom = > // size > MIN_RADIX_SORT_SIZE && (sorter == null || bits > 0) && > size > MIN_RADIX_SORT_SIZE && (sorter != null && bits > 0) && > (a[e1] > a[e2] || a[e2] > a[e3] || a[e3] > a[e4] || a[e4] > > a[e5]); > > > This code runs Radix sort during parallel sort only. > If you want to use Radix sort during sequential or parallel sort also, > you need to switch to the first line. > > Agree, both lines should contain explanations. > > If we agree to move Radix sort out from this PR, these lines go away from > here. Have you considered a `private static final boolean USE_RADIX_SORT_WITH_PARALLEL = false;`? Then we don't need to comment the code, and one could flip the behavior by altering the flag ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/27411#discussion_r2375039822