On Sat, 28 Nov 2020 14:10:10 GMT, Claes Redestad <redes...@openjdk.org> wrote:

>> Сергей Цыпанов has updated the pull request incrementally with one 
>> additional commit since the last revision:
>> 
>>   8254082: Consolidate putStringAt() methods: make length represent char 
>> count
>
> Looks good to me. 
> 
> Theoretically the refactored `getBytes(byte[], int, byte)` should have no 
> cost, but could cause some issues in some microbenchmarks that touches this. 
> You mentioned this was used by StringConcatHelper, so could you run the 
> org.openjdk.bench.java.lang.StringConcat micros to check that there are no 
> regressions?

> @cl4es Could you tell me where I can look for a command to run the benchmark?

See 
[doc/testing.md](https://github.com/openjdk/jdk/blob/master/doc/testing.md). 
The 
[configuration](https://github.com/openjdk/jdk/blob/master/doc/testing.md#configuration)
 section has a pointer on how to set up and configure the JDK build with JMH, 
then it should be a simple matter of running `make test 
TEST=micro:org.openjdk.bench.java.lang.StringConcat`.

-------------

PR: https://git.openjdk.java.net/jdk/pull/402

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