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8247532: Records deserialization is slow

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8248135: Build microbenchmarks with --enable-preview

Test contributed by Chris Hegarty <chris.hegarty@oracle.com>

Reviewed-by: chegar, psandoz, redestad, ihse
This commit is contained in:
Peter Levart 2020-06-24 11:05:09 +02:00
parent 4bcd70acc0
commit 2f09989ec0
5 changed files with 972 additions and 70 deletions
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14
src/java.base/share/classes/java/io/ObjectInputStream.java
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@ -2182,7 +2182,7 @@ public class ObjectInputStream
handles.markException(passHandle, resolveEx);
}
final boolean isRecord = cl != null && isRecord(cl) ? true : false;
final boolean isRecord = cl != null && isRecord(cl);
if (isRecord) {
assert obj == null;
obj = readRecord(desc);
@ -2289,14 +2289,14 @@ public class ObjectInputStream
FieldValues fieldValues = defaultReadFields(null, desc);
// retrieve the canonical constructor
MethodHandle ctrMH = desc.getRecordConstructor();
// bind the stream field values
ctrMH = RecordSupport.bindCtrValues(ctrMH, desc, fieldValues);
// get canonical record constructor adapted to take two arguments:
// - byte[] primValues
// - Object[] objValues
// and return Object
MethodHandle ctrMH = RecordSupport.deserializationCtr(desc);
try {
return ctrMH.invoke();
return (Object) ctrMH.invokeExact(fieldValues.primValues, fieldValues.objValues);
} catch (Exception e) {
InvalidObjectException ioe = new InvalidObjectException(e.getMessage());
ioe.initCause(e);