Are you using the new JDK 9 APIs to walk the stack?

Cheers,
Paul

On Tue, May 10, 2016 at 11:20 AM, Ralph Goers <[email protected]>
wrote:

> Supposedly Java 9 was supposed to improve the performance of walking the
> stack trace. However, the numbers I get below indicate to me that they are
> moving in the opposite direction.  Am I misreading this?
>
> Ralph
>
>
>
>
> java version "1.7.0_80
>
> Benchmark
>   Mode  Samples       Score      Error  Units
>
> o.a.l.l.p.j.AsyncAppenderLog4j2LocationBenchmark.throughputSimple
>   thrpt       20  124819.285 ± 3003.918  ops/s
>
> java version "1.8.0_65"
>
> Benchmark
>   Mode  Samples       Score      Error  Units
> o.a.l.l.p.j.AsyncAppenderLog4j2LocationBenchmark.throughputSimple
>   thrpt       20  123209.746 ± 3064.672  ops/s
>
>
> java version "9-ea"
>
> Java(TM) SE Runtime Environment (build 9-ea+116)
>
> Benchmark
>   Mode  Samples      Score      Error  Units
>
> o.a.l.l.p.j.AsyncAppenderLog4j2LocationBenchmark.throughputSimple
>   thrpt       20  96090.261 ± 4565.763  ops/s
>

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