Hi Chris,
On 2020-06-24 17:46, Chris Hegarty wrote:
A micro-optimisation noticed when working on JDK-8247532.
For further details see:
https://mail.openjdk.java.net/pipermail/core-libs-dev/2020-June/067446.html
Webrev:
https://cr.openjdk.java.net/~chegar/8248233/webrev.00/
This looks good.
It seems ObjectInputStream#isRecord(Class) is now unused. No need for
a new webrev if you choose to remove it.
/Claes
before:
RecordSerializationBench.deserializeClasses 10 avgt 10 13.874 ±
1.445 us/op
RecordSerializationBench.deserializeClasses 100 avgt 10 57.839 ±
3.944 us/op
RecordSerializationBench.deserializeClasses 1000 avgt 10 515.483 ±
57.275 us/op
RecordSerializationBench.deserializeRecords 10 avgt 10 13.563 ±
0.459 us/op
RecordSerializationBench.deserializeRecords 100 avgt 10 61.704 ±
2.481 us/op
RecordSerializationBench.deserializeRecords 1000 avgt 10 518.671 ±
19.147 us/op
after:
RecordSerializationBench.deserializeClasses 10 avgt 10 16.021 ±
9.091 us/op
RecordSerializationBench.deserializeClasses 100 avgt 10 58.550 ±
2.164 us/op
RecordSerializationBench.deserializeClasses 1000 avgt 10 524.930 ±
49.663 us/op
RecordSerializationBench.deserializeRecords 10 avgt 10 12.567 ±
0.711 us/op
RecordSerializationBench.deserializeRecords 100 avgt 10 50.235 ±
1.977 us/op
RecordSerializationBench.deserializeRecords 1000 avgt 10 421.557 ±
17.348 us/op
-Chris.
[1] https://bugs.openjdk.java.net/browse/JDK-8247532
