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8339531: Improve performance of MemorySegment::mismatch

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Reviewed-by: mcimadamore
This commit is contained in:
Per Minborg 2024-09-12 18:31:08 +00:00
parent ab9b72c50a
commit 81ff91ef27
7 changed files with 559 additions and 211 deletions
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8
src/java.base/share/classes/java/lang/foreign/MemorySegment.java
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@ -43,6 +43,7 @@ import java.util.function.Consumer;
import java.util.stream.Stream;
import jdk.internal.foreign.AbstractMemorySegmentImpl;
import jdk.internal.foreign.MemorySessionImpl;
import jdk.internal.foreign.SegmentBulkOperations;
import jdk.internal.foreign.SegmentFactories;
import jdk.internal.javac.Restricted;
import jdk.internal.reflect.CallerSensitive;
@ -1571,7 +1572,7 @@ public sealed interface MemorySegment permits AbstractMemorySegmentImpl {
static void copy(MemorySegment srcSegment, long srcOffset,
MemorySegment dstSegment, long dstOffset, long bytes) {
AbstractMemorySegmentImpl.copy((AbstractMemorySegmentImpl) srcSegment, srcOffset,
SegmentBulkOperations.copy((AbstractMemorySegmentImpl) srcSegment, srcOffset,
(AbstractMemorySegmentImpl) dstSegment, dstOffset,
bytes);
}
@ -2635,8 +2636,9 @@ public sealed interface MemorySegment permits AbstractMemorySegmentImpl {
*/
static long mismatch(MemorySegment srcSegment, long srcFromOffset, long srcToOffset,
MemorySegment dstSegment, long dstFromOffset, long dstToOffset) {
return AbstractMemorySegmentImpl.mismatch(srcSegment, srcFromOffset, srcToOffset,
dstSegment, dstFromOffset, dstToOffset);
return SegmentBulkOperations.mismatch(
(AbstractMemorySegmentImpl)Objects.requireNonNull(srcSegment), srcFromOffset, srcToOffset,
(AbstractMemorySegmentImpl)Objects.requireNonNull(dstSegment), dstFromOffset, dstToOffset);
}
/**