review request (M) - 4396719 mark sweep stack overflow

[Igor Veresov]

Reviewed.

igor

On 2/5/10 5:31 PM, John Coomes wrote:
> I'd like reviews of the fix for
>
> 4396719 Mark Sweep stack overflow on deeply nested Object arrays
>
> I split the review into two parts in an attempt to make it easier.
> The first part fixes the bug by using an explicit stack/queue for
> object arrays:
>
> 	http://cr.openjdk.java.net/~jcoomes/4396719-objarray/
>
> The second part adds a size parameter to the TaskQueue class; the new
> objArray queue used by par compact doesn't need to be as big as the
> default queue size, particularly in 64-bit.
>
> 	http://cr.openjdk.java.net/~jcoomes/4396719-tqsize/
>
> Performance testing is still in progress.
>
> -John
>