Request for review: 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
Ulf Zibis
Ulf.Zibis at CoSoCo.de
Fri Jan 25 19:12:38 PST 2013
Am 23.01.2013 02:15, schrieb David Holmes:
> On 23/01/2013 10:14 AM, Vitaly Davidovich wrote:
>> Personally, optimizing for interpreter (or even C1) doesn't seem worth it.
>> If something's truly hot and best perf is desired then use C2 or tiered.
>> If the method isn't hot enough to trigger the C2 threshold, then why
>> bother? You're already behind the 8 ball in terms of performance. Maybe
>> this is heresy though :).
>
> Not all platforms/products have C2.
And some people may use C1 intentionally for faster start-up.
-Ulf
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