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Re: Reg: experience on boost:lockfree data structures

From: Wesley Maness <wesley.maness_at_[hidden]>
Date: Fri, 20 Jan 2023 11:05:57 -0500
+1 to Timur.

I can speak to MoodyCamel as well, it found some great usage in core
trading frameworks (event based) of a few shops that I know of personally.

On Fri, Jan 20, 2023 at 10:55 AM Timur Doumler via SG14 <
sg14_at_[hidden]> wrote:

> Hi Honey,
>
> In audio processing, lock-free queues are among the most frequently used
> data structures. Often, we use single-producer single-consumer queues as
> they have the desirable property to be wait-free, not just lock-free (a
> requirement for hard real time programming). But use cases for
> multi-producer multi-consumer queues exist also in this industry. Some
> companies roll their own; the two off-the-shelf solutions that I have seen
> being used in production are Boost and Moodycamel (
> https://github.com/cameron314/concurrentqueue). I found the Moodycamel
> one to have better performance than the Boost one.
>
> Hope this is helpful.
>
> Cheers,
> Timur
>
> On 18 Jan 2023, at 15:49, Honey Sukesan via SG14 <sg14_at_[hidden]>
> wrote:
>
> 
> Hi Scott,
>
> Thank you for your reply.
> Yes
> , it's a multithreaded program. I believe multiprocess constructs could be
> used along side threads as well. I've tried benchmarking using std::queue
> protected with a std:: unique_lock & condition_var for the same scenario.
> But performance results was not that great. Let me know what you think.
>
> Best,
> Honey
>
>
> On Wed 18 Jan 2023, 8:01 a.m. Scott Michaud, <scott_at_[hidden]> wrote:
>
>> You say that you have a producer-consumer scenario with multiple
>> *threads*. Are they all in the same executable / process?
>>
>> On Tue, Jan 17, 2023 at 10:52 PM Honey Sukesan via SG14 <
>> sg14_at_[hidden]> wrote:
>>
>>> Hi all,
>>>
>>> Hope all is well.
>>>
>>> This is my first email to the list. Not sure if it's the place to ask
>>> general technical questions. Please accept my apologies if I'm violating
>>> any rules of this study group.
>>>
>>> I would like to seek an opinion regarding boost:: interprocess::
>>> message_queue vs boost::lockfree::queue.
>>>
>>> Has anyone used boost::lockfree::queue or any of Boost.LockFree data
>>> structures in any embedded platforms?
>>>
>>> I have a producer-consumer scenario involving multiple threads. Tried
>>> out a sample code using int values pushing to/consuming from the queue &
>>> analysed elapsed time between push/pop on a Linux x86. It's found
>>> boost::lockfree::queue gives better time performance results compared to
>>> boost:: interprocess:: message_queue.
>>>
>>> Haven't tried this on actual hardware target yet. Our hardware target is
>>> an ARM based processor running QNX RTOS.
>>>
>>> I'm listening to Herb's CppCon talk on Lock-free programming now.
>>>
>>> It would be great if any of you has any other recommendations/pros or
>>> cons I need to be aware of before I fix boost::lockfree::queue rather than
>>> boost:: interprocess:: message_queue in our production code?
>>>
>>> Thank you in advance,
>>> Best,
>>> Honey
>>>
>>> Honey Sukesan
>>>
>>>
>>>
>>>
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-- 
Wesley C. Maness
347-387-7162

Received on 2023-01-20 16:06:10