RFR: Trivial enhancement to avoid costly deletion array element

[Zhengyu Gu]

On 08/17/2018 10:34 AM, Roman Kennke wrote:
> Yes I have seen that one before. It's traversal or even partial-only iirc.
Yep, seen with traversal and connected.

-Zhengyu

> 
> Am 17. August 2018 14:46:43 MESZ schrieb Zhengyu Gu <zgu at redhat.com>:
>>
>>
>> On 08/17/2018 08:19 AM, Zhengyu Gu wrote:
>>> On 08/17/2018 03:07 AM, Aleksey Shipilev wrote:
>>>> On 08/16/2018 10:36 PM, Zhengyu Gu wrote:
>>>>> Trivial enhancement to avoid deletion array element, which may need
>>
>>>>> costly shifting tailing elements.
>>>>> Webrev:
>> http://cr.openjdk.java.net/~zgu/shenandoah/replace_nm/webrev.00/
>>>>
>>>> Looks good!
>>>>
>>>> Have you seen this code as hot, or that was a hunch? It it fine
>> either
>>>> way.
>>>
>>> No, it is not hot. I stumbled over while chasing a weird assertion
>> failure.
>>>
>>> Have you seen this?
>>> https://paste.fedoraproject.org/paste/LyRkIj2w77dxFdWOv49yqA
>>>
>>> or just my super *hot* computer tried to throw me something
>> interesting :-(
>>
>> Okay, reproduced again, I guess it is not a hoax.
>>
>> -Zhengyu
>>
>>>
>>> -Zhengyu
>>>
>>>>
>>>> Thanks,
>>>> -Aleksey
>>>>
>