[aarch64-port-dev ] -XX:InlineSmallCode=1500

[Andrew Haley]

On 24/07/17 15:37, Andrew Dinn wrote:
> Interestingly, there was also a comment in hotspot test
> compiler/c2/Test6910605_2.java saying
> 
>   "Added InlineSmallCode=2000 to guaranty [sic] inlining of
> StringBuilder::append() to allow scalar replace StringBuilder object."
> 
> Is this benefit anywhere near the vicinity of the improvement arrived at
> in Doug's benchmark test?

Yes.  This explains another mystery: we only saw the slowdown with
Doug's test when using -XX:-TieredCompilation.  So, it looks like this
is already fixed for everything, as long as tiered compilation is
enabled.  I guess it doesn't much matter whether we change it or not.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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