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Are C 17 Parallel Algorithms Already Implemented?
In C 17, parallel algorithms were introduced but faced implementation challenges. As of today, these algorithms have been realized in GCC 9. However, to use them, you must independently install Thread Building Blocks (TBB).
Implementation Details
Ubuntu 19.10:
Ubuntu 18.04:
Usage:
<code class="cpp">#include <execution> #include <algorithm> std::sort(std::execution::par_unseq, input.begin(), input.end());</code>
Performance
Benchmarks using a sorting program demonstrate significant speedups with parallel algorithms, achieving a 4.5x improvement in one example. Performance may vary depending on system specifications.
Troubleshooting Common Errors
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