[zeromq-dev] Inter thread communication for scalability

[Kenneth Adam Miller]

On Jan 15, 2014 8:13 AM, "Lindley French" <lindleyf at gmail.com> wrote:
>
> The Boost.Lockfree documentation discusses the difference between
lock-free and wait-free. I can't say if they're using both terms correctly,
but they at least understand there's a difference.
>

Also, to everyone; thanks for all the different advice! I forgot to note
that the particular environment I'm in is a pintool, and I can't use any
locking facilities that they dont provide. That means no boost lock free
queue, because as was mentioned, the name may not mean there are no locks.

>
> On Wed, Jan 15, 2014 at 9:04 AM, Goswin von Brederlow <goswin-v-b at web.de>
wrote:
>>
>> On Tue, Jan 14, 2014 at 03:48:34PM -0500, Lindley French wrote:
>> > A visit to the Boost libraries reveals there's a brand-new
Boost.Lockfree
>> > library that must have arrived with one of the last few versions. You
>> > should seriously consider simply replacing your std::lists with
>> > boost::lockfree::queues using your existing logic, and see if that
gives
>> > you the performance you're looking for before you make any massive
changes.
>>
>> Is Boost using the right term there?
>>
>> http://en.wikipedia.org/wiki/Lock-free:
>>
>>   In computer science, a non-blocking algorithm ensures that threads
>>   competing for a shared resource do not have their execution
>>   indefinitely postponed by mutual exclusion. A non-blocking algorithm
>>   is lock-free if there is guaranteed system-wide progress; wait-free if
>>   there is also guaranteed per-thread progress.
>>
>> Lock-free does not mean that you don't have locks. It just means you
>> can't have deadlocks. You can't get stuck. Idealy what you want is a
>> wait-free algorithm.
>>
>> MfG
>>         Goswin
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>
>
>
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