String indexOf Performance

[Reto Merz]

I have seen a big difference in 2014. Another dev has also confirmed this:
https://sourceforge.net/p/findbugs/feature-requests/300/#cb7f

In my case I have also used JITWatch to make sure that C2/HotSpot
was really able to optimize/inline hot paths.

Reto


On 27.01.2017 19:37, Aleksey Shipilev wrote:
> On 01/27/2017 07:22 PM, Scott Palmer wrote:
>> I looped through those 100,000 times.  I should do a proper JMH benchmark, but
>> for now here's a link to the code:
>>
>>    http://pastebin.com/dWcf7rQJ
> Ah, OK. There's no reason to dive into the performance of this particular
> benchmark. Please isolate the behavior you are seeing with JMH, and possibly see
> the generated code with -prof perfasm (or xperfasm, since you're on Windows).
>
> Thanks,
> -Aleksey
>