[llvm-dev] Support of parallel STL and <execution> on clang

[David Blaikie via llvm-dev]

might be more a question for cfe-dev (but leaving llvm-dev here because the
implementation likely crosses the boundary into runtime libraries, etc)


On Sat, Jul 24, 2021 at 4:25 AM Gilles Vollant via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello,
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> Clang 12 did not contain the <execution> header, for parallel operation.
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> GCC >=9 contain an executon header, which rely on Intel oneTBB library
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> Parallel STL and <execution> is on C++17 standard:
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> https://en.cppreference.com/w/cpp/header/execution
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> https://stackoverflow.com/questions/51031060/are-c17-parallel-algorithms-implemented-already
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> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0024r2.html
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> On the gcc mailing list, Intel developer Alexey Kukanov say it proposed to
> LLVM also
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> https://gcc.gnu.org/legacy-ml/libstdc++/2017-11/msg00113.html
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> I have two questions:
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>    - Do you consider support parallel STL on future clang (with Intel
>    OneTBB, like GCC, or without, like Visual Studio 2019)
>    - What about import manually intel onetbb library and use it with
>    libc++ std::sort or std::for_each (by example)
>
>
>
> Regards
>
> Gilles Vollant
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