First contact with Fibers
Alan Bateman
Alan.Bateman at oracle.com
Tue Aug 13 10:03:44 UTC 2019
On 13/08/2019 08:39, Christian Stein wrote:
> Hi everybody,
>
> my first usage of Loom was to implement a simplistic JUnit 5 TestEngine.
> The source and some timing results are available at: [1]
>
> Can you please take a look and verify whether the implementation makes
> sense?
> - [2] Threads via `Executors.newFixedThreadPool(1000);`
> - [3] Fibers via `FiberScope.open()`
>
> Also, running with a lot of fiber instances, I encountered a JVM error that
> reads:
Thanks for the mail. The crash with the million fibers is probably an
out of memory error. The code that allocates or grows the stack in the
java heap fails which results in the execution of code that isn't mean
to the called. Can you set the heap size for this run to see if it goes
away with a large heap?
-Alan
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