UseACmpProfile question.

Sergey Kuksenko sergey.kuksenko at
Wed Dec 2 01:26:50 UTC 2020

Thank you for this advice. I managed to get necessary code just playing 
with profile (provide proper values at runtime).

Looks like acmp profiling performance results are transforming from a 
simple email to a large report. Need time to process all scenarios.

On 11/26/20 5:13 AM, Roland Westrelin wrote:
>> Thank you. It's better, but not end.
>> How to turn off null values profiling?
> There's no command line option for that. C2 guesses that there are no
> null values and if that triggers a deoptimization then on recompilation
> it doesn't try to guess anymore. You would have to edit the code:
> and pass false instead.
> Roland.

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