RFR (S): Pre-touch bitmaps

[Aleksey Shipilev]

On 02/01/2017 11:54 PM, Roman Kennke wrote:
> But is it worth dividing pretouching the bitmaps between the workers?
> Maybe one worker should pretouch one bitmap, another the other bitmap,
> and the rest start pretouching the heap? Not sure, and probably not
> very important...

It is divided between workers. The whole point is to touch the bitmap from as
many workers as possible, to interleave memory under first-touch policy. So
touching from only two workers is not enough.

Thanks,
-Aleksey