RFR (S) 8146801: Allocating short arrays of non-constant size is slow

[Christian Thalinger]

> On Feb 29, 2016, at 12:24 PM, Aleksey Shipilev <aleksey.shipilev at oracle.com> wrote:
> 
> On 03/01/2016 12:53 AM, Christian Thalinger wrote:
>>> On Feb 29, 2016, at 11:02 AM, Aleksey Shipilev
>> +  product_pd(intx, InitArrayShortSize,                                
>>     \
>> 
>> Don’t make it a product flag; diagnostic should be sufficient.  This
>> will require adding diagnostic_pd support.  If you don’t want to do that
>> make the flag develop.
> 
> Okay, develop_pd now:
>  http://cr.openjdk.java.net/~shade/8146801/webrev.03/

+define_pd_global(intx, InitArrayShortSize,           18*BytesPerLong);

Can you remove the spaces in all files?  Otherwise this looks good.

> 
> diagnostic_pd would certainly be nice to have, but I don't really want
> to get even deeper into this rabbit hole.

…which I understand.  We should file a starter Enhancement.

> 
> Thanks,
> -Aleksey
>