RFR: 6735527: Bitmap - speed up searches

[Kim Barrett]

> On Nov 2, 2018, at 5:17 AM, Aleksey Shipilev <shade at redhat.com> wrote:
> 
> On 10/27/2018 02:18 AM, Kim Barrett wrote:
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/6735527/open.00/
> 
> I like this patch. Shenandoah concurrent phase times have improved a little bit with it, especially
> when the heap is very sparse.
> 
> -Aleksey

Thanks!