RFR(S): 8067471: Use private static final char[0] for empty Strings

[Aleksey Shipilev]

On 12/19/2014 03:41 AM, Lev Priima wrote:
> By naive glance, new constructor thrpt is  bigger(jdk9/dev vs 9b42
> in attach) on:
>     @Benchmark
>     public String getNewString() {
>         return new String();
>     }

This is how you do it:
 http://cr.openjdk.java.net/~shade/8067471/
 http://cr.openjdk.java.net/~shade/8067471/performance.txt

In short, I don't see any show-stoppers here.

> Please suggest things to compare . Do we have bigapps-like benchmarks
> which may show regression on this?

Not sure if there is such a benchmark in our pool. You may run
SPECjbb2005 and SPECjvm2008 to double-check.

Thanks,
-Aleksey.