RFR(M) 8227003: [Graal] java/lang/invoke/VarHandles/VarHandleTestByteArrayAsInt.java time out

[Andrew Dinn]

On 10/10/2019 10:39, Claes Redestad wrote:
> How about:
> 
> -XX:CompilationMode=<enum>
> 
> enum := default|tiered|quickOnly|highOnly|highOnlyQuickInternal|...
> 
> quickOnly => "TieredStopAtLevel=1"
> highOnly => "-TieredCompilation for all"
> highOnlyQuickInternal => -TieredCompilation with C1 for graal"
> 
> I think this makes it clearer, and also easier to extend[1].

Agreed.

> I'm less enthused by the ability to manually pick threshold levels
> - that we at all expose and thus lock us to what tier levels
> exists feels like a mistake - and think we should move all such flag to
> diagnostic, be wary of adding any more and take bigger liberties with
> changing them as we see fit ergonomically.

Also agreed.

> $.02
Krrching! $.04!

regards,


Andrew Dinn
-----------
Senior Principal Software Engineer
Red Hat UK Ltd
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