RFR (S): 8155230: Tune thread usage for mark bitmap clear

Jon Masamitsu jon.masamitsu at oracle.com
Thu Apr 28 22:45:37 UTC 2016



On 04/28/2016 03:30 PM, Thomas Schatzl wrote:
> Hi Jon,
>
>    thanks for your review.
>
> On Thu, 2016-04-28 at 10:46 -0700, Jon Masamitsu wrote:
>> Thomas,
>>
>> Change looks good.
>>
>> For the sake of future generations maybe a comment such as
>>
>>   611 class G1ClearBitMapTask : public AbstractGangTask {
>>   612 public:
>>
>> // A chunk size of 1M was determined empirically to be a reasonable
>> size.
>>
>>   613   static size_t chunk_size() { return M; }
>> Jon
>    I intend to do some change that makes that a global (at least
> develop) variable to set by the user, since it is used three times now.
>
> That will be a better opportunity to explain it.

Ok.  Thanks.

Jon

>
> Thanks,
>    Thomas
>



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