Very poor performance of JNI AttachCurrentThread on Linux

Adam Domurad adomurad at redhat.com
Wed Apr 17 07:29:38 PDT 2013


On 03/28/2013 03:05 PM, Dmitry Samersoff wrote:
> Adam,
>
> Thank you!
>
> -Dmitry
>
> On 2013-03-28 23:02, Adam Domurad wrote:
>> On 03/11/2013 01:19 PM, Dmitry Samersoff wrote:
>>> Adam,
>>>
>>> Sorry! I can't provide any estimations right now. But it's a high
>>> priority issue in my queue, and I plan to provide a fix as soon as it
>>> become possible.
>>>
>>> -Dmitry
>>>
>>> On 2013-03-06 21:45, Adam Domurad wrote:
>>>> On 03/01/2013 11:00 AM, Dmitry Samersoff wrote:
>>>>> Adam,
>>>>>
>>>>> Thank you for advice! I'm looking for a possibility to remove
>>>>> get_stack_bounds function entirely as Dean suggested. But it takes some
>>>>> time.
>>>> Hi again, not to be a bother, but do you have a rough time-frame that
>>>> the fix will take?
>>>>
>>>> Thanks,
>>>> -Adam
>> As per our off-list chat, I have attached my implementation of a revised
>> implementation of get_stack_bounds with a small test-case. As far as
>> performance is concerned, it's an order of magnitude faster from my
>> timings. This should be suitable given that no problems were reported
>> with the old implementation.
>>
>> Happy hacking,
>> -Adam
>

How is the fix coming along ? Have you looked into if my version was 
suitable ?

Thanks once again,
-Adam


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