[zeromq-dev] migration 4.1.2 to 4.2.2

[Doron Somech]

Not sure, the change only introduced and recent version,  I think. I will
make a pull request tomorrow and you will be able to test it.

On Mar 10, 2017 5:43 PM, "Jake" <jake.cobb at gmail.com> wrote:

> Do you all think this is related to the Windows performance issue I
> reported here?:
>
> https://github.com/zeromq/libzmq/issues/2328
>
> -Jake
>
> On Fri, Mar 10, 2017 at 10:36 AM, Doron Somech <somdoron at gmail.com> wrote:
>
>> zmq_poll now use zmq_poller internally, but nof efficiently, because it
>> is being created on every call. This is why you have drop in performance, I
>> will fix that anyway.
>>
>> Polling on thread safe sockets works differently, this is why zmp poller
>> was created. previously zmp poll didnt support thread safe sockets.
>>
>> Bottom line, zmq poll should be deprecated and zmq poller should be used.
>>
>> On Mar 10, 2017 3:13 PM, "brunobodin ." <brunobodin at gmail.com> wrote:
>>
>>> Doron,
>>>
>>> I could make a test and it works, thanks !
>>> is the signaler new in zmq 4.2.2 ? if not, why are the performances so
>>> différent ?
>>>
>>> Regarding thread safe socket, I do not use them yet but may test them
>>> (probably RADIO/DISH) in a near future. Are there implications between
>>> poller and thread safe sockets ?
>>>
>>> thanks for your help
>>>
>>> Bruno
>>>
>>> On Fri, Mar 10, 2017 at 1:26 PM, Doron Somech <somdoron at gmail.com>
>>> wrote:
>>>
>>>> If you can use zmq_poller it will solve it.
>>>>
>>>> I can make a PR to improve it by making tge creation of the signaler
>>>> lazy.
>>>>
>>>> Are you using thread safe sockets (SERVER CLIENT ...)
>>>>
>>>> On Mar 10, 2017 13:01, "brunobodin ." <brunobodin at gmail.com> wrote:
>>>>
>>>>> Hi all
>>>>>
>>>>> digging deeper, the issue seems related to the connect/bind of
>>>>> signaler within the poll function.
>>>>>
>>>>> On Fri, Mar 10, 2017 at 8:46 AM, brunobodin . <brunobodin at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Luca,
>>>>>>
>>>>>> thanks for you anwser... apparently select is the only method
>>>>>> available on windows, and is the one used by the appveyor build.
>>>>>> Draft is not enabled.
>>>>>>
>>>>>> still investigating...
>>>>>>
>>>>>> Regards
>>>>>>
>>>>>> Bruno
>>>>>>
>>>>>> On Thu, Mar 9, 2017 at 6:12 PM, Luca Boccassi <
>>>>>> luca.boccassi at gmail.com> wrote:
>>>>>>
>>>>>>> On Thu, 2017-03-09 at 17:22 +0100, brunobodin . wrote:
>>>>>>> > Hi all,
>>>>>>> >
>>>>>>> > I am in the process of migrating my application (windows, visual
>>>>>>> 2015) from
>>>>>>> > 4.1.2 to 4.2.2
>>>>>>> >
>>>>>>> > The point is that with the new version, polling is now _very_
>>>>>>> slow, making
>>>>>>> > my app quite unusable.
>>>>>>> >
>>>>>>> > Any hint or suggestion about what I could check ? The polling
>>>>>>> method is
>>>>>>> > "select", optimization options of the compiler are set, the
>>>>>>> performances of
>>>>>>> > the performance tools (inproc_lat, etc) are ok...
>>>>>>> > I do not know what to look for next...
>>>>>>> >
>>>>>>> > thanks
>>>>>>> >
>>>>>>> > Bruno
>>>>>>>
>>>>>>> Where you using select before as well?
>>>>>>> Are you by any chance building with the DRAFT APIs enabled?
>>>>>>>
>>>>>>> Kind regards,
>>>>>>> Luca Boccassi
>>>>>>>
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>>>>>>>
>>>>>>
>>>>>>
>>>>>
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