boost
unordered
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boost | unordered | |
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8 | 10 | |
21 | 53 | |
- | - | |
1.5 | 9.4 | |
about 1 year ago | 10 days ago | |
C++ | C++ | |
Boost Software License 1.0 | Boost Software License 1.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
boost
- Full-Text Search has been added to the boost website. It looks into all the Boost libraries and their documentation.
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The New Boost Website Goes Beta
We do not control boost.org, and putting this on a subdomain imputes an authority for decision-making we don't have. Building it on some temporary domains, then presenting it as a choice is the only approach compatible with Boost values.
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Is it just me or is the quality of the Boost API docs just.. kind of terrible? Like compare it to cppreference (very good) or Qt docs (also great).
Not at all. There is no "they", the Boost Libraries is just a collection of individual libraries that each have their own author or maintainer, usually unpaid (although the C++ Alliance has changed that somewhat). The only funding that "Boost" gets is from running the C++Now conference, and some of that pays for the hosting of boost.org.
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Boost down?
Though the links within it seem to be to boost.org and therefore fail to be resolved. Well I can manually replace them with https://www.boostcpp.org/ like:
- New Boost.Unordered containers have BIG improvements!
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Ask HN: What Happened to Boost.org?
Oh wow, it behaves incorrectly...when I visit http://boost.org/ or https://... it shows spam on my side, whereas when I visit https://www.boost.org/ it works as expected.
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Why I support GCC-rs
If you wondered why Boost headers look like hell that's because once your library ends up being popular, you're kinda stuck supporting quirky compilers -- either yourself, or accepting patches for it.
unordered
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Effortless Performance Improvements in C++: std::unordered_map
We added two new benchmarks to Boost.Unordered, word_count and word_size, and the second one ends up testing a small hash table (114 elements in 64 bit, even fewer in 32 bit because we use a smaller input file there.)
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Inside boost::unordered_flat_map
Hi, we have seen similar gains with __forceinline in MSVC, looks like this compiler is not particularly aggressive at inlining. Could you please file an issue at Boost.Unordered repo so what we don't forget? Thank you
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Boost 1.81 will have boost::unordered_flat_map...
You can request a feature be added by opening an issue in https://github.com/boostorg/unordered.
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boost::unordered map is a new king of data structures
Here are the results of our uint32.cpp synthetic benchmark under VS2022 Release x64:
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Advancing the state of the art for <code>std::unordered_map</code> implementations
You can run these benchmarks yourself from the Boost develop branch, they are in the Unordered repo. Since Unordered is header-only, there should be need to build Boost but you do need to bootstrap and then run b2 headers to create the symlinks in boost/.
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New Boost.Unordered containers have BIG improvements!
Make sure you checkout the preview.md for instructions on how to build nightly Boost in a way that's non-intrusive to your system and works with CMake.
What are some alternatives?
FetchBoostContent - CMake FetchContent for Boost libraries
flat_hash_map - A very fast hashtable
lccc - Lightning Creations Compiler Frontend for various languages
documentation-framework - "The Grand Unified Theory of Documentation" (David Laing) - a popular and transformative documentation authoring framework
unordered_dense - A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
website-v2-docs - Boost Site Documentation
Hopscotch map - C++ implementation of a fast hash map and hash set using hopscotch hashing
miri - An interpreter for Rust's mid-level intermediate representation
emhash - Fast and memory efficient c++ flat hash map/set
smart_ptr - Boost.org smart_ptr module
boostdep - A tool to create Boost module dependency reports