Re: [boost] [spinlock] concurrent_unordered_map is ready for review

Subject: Re: [boost] [spinlock] concurrent_unordered_map is ready for review
From: Dean Michael Berris (mikhailberis_at_[hidden])
Date: 2014-09-01 09:42:59

Interesting. I don't see the implementation in the repository -- have you
pushed it yet? Am I looking in the right place? I at least don't see a
separate file for the concurrent_unordered_map implementation. Is this by
design?

Looking forward to seeing the magic here.

Cheers

On Mon Sep 01 2014 at 11:39:13 PM Niall Douglas <s_sourceforge_at_[hidden]>
wrote:

> Dear Boost,
>
> CC: Howard, Jonathan for N3645 enhancements
>
> It has taken me far longer than I expected, however I believe that
> proposed boost::concurrent_unordered_map is ready for community
> feedback, with its unit test suite passing all green on the thread
> sanitiser and 92% coverage including exception safety tests. The main
> documentation page with the API and a lengthy explanation of the
> caveats in this design can be viewed at
> https://ci.nedprod.com/view/Boost%20Thread-Expected-Permit/job/Boost.S
> pinlock%20Test%20Linux%20GCC%204.8/doxygen/classboost_1_1spinlock_1_1c
> oncurrent__unordered__map.html
>
> Performance improves linearly to CPU cores at a slope of about 0.9. I
> only have four core hardware available to me, if someone could tell
> me how it scales to eight cores or more I would be very interested.
>
> Source code is at https://github.com/ned14/boost.spinlock. Tested on
> GCC 4.8, clang 3.4 and VS2013.
>
> Niall
>
> --
> ned Productions Limited Consulting
> http://www.nedproductions.biz/
> http://ie.linkedin.com/in/nialldouglas/
>
>
>
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