Folly atomichashmap
WebNov 30, 2010 · From Folly's documentation on Github. folly/AtomicHashmap.h introduces a synchronized UnorderedAssociativeContainer implementation designed for extreme … Webfolly/AtomicHashmap.h introduces a synchronized UnorderedAssociativeContainer implementation designed for extreme performance in heavily multithreaded environments (about 2-5x faster than tbb::concurrent_hash_map) and good memory usage properties. Find and iteration are wait-free, insert has key-level lock granularity, there is minimal …
Folly atomichashmap
Did you know?
WebJul 15, 2024 · folly/Format.h. It provides a fast, strong and flexible facility for formatting text. It uses a specification language. It can format strings, numbers and dynamically-typed folly::dynamic objects. It can extract values from random-access containers. WebMar 10, 2024 · folly atomicHashMap. A high-performance concurrent hash map with int32 or int64 keys. Supports. insert, find (key), findAt (index), erase (key), size, and more. …
WebJul 15, 2024 · folly::Function is a polymorphic function wrapper. It cannot be copied. It does not require the wrapped function to be copy constructible. folly::Function tries to avoid the limitations which std::function had as it is similar to std::functions yet it is different. std::function is copy-constructible. It requires that the callable that it wraps ... WebGive feedback to Atlassian; Help. Jira Core help; Keyboard Shortcuts; About Jira; Jira Credits; Log In
WebAug 8, 2024 · folly v2024.08.08.00 About: Folly is a core library of C++14 components (used extensively at Facebook). Fossies Dox : folly-v2024.08.08.00.tar.gz ("unofficial" and yet experimental doxygen-generated source code documentation) WebFeb 21, 2000 · Folly (acronymed loosely after Facebook Open Source Library) is a library of C++14 components designed with practicality and efficiency in mind. Folly contains a variety of core library components used extensively at Facebook.
WebOct 25, 2024 · folly::AtomicHashMap实现分析 官方介绍Efficiently thread safe for inserts (main point of this stuff),wait-free for lookups. 插入和查找都是wait-free的You can erase from this container, but the cell containing the key willnot be free or reclaimed.可以删除 但是实际上内存不会删除clear()函数为把全部元素清楚 ...
http://solarex.github.io/blog/2024/08/10/lock-free-multithreading-with-atomic-operations/ howick prep schoolWebAtomichashmap's key only supports int, why doesn't IT support a custom type of key like the concurrent_hash_map of TBB? It is entirely possible to position the existing key as Pure state machine, and then set a field to save the custom key, I think is simple, because the user can use the hash algorithm to convert the custom key to int to solve. howick prep school feesWebOct 10, 2024 · Thanks for Alex Bakulin's answer.I solve my problem with folly::Future interface, following is my sample code. In my case I use Future with AtomicHashMap … howick post officehowick preparatory schoolWeb4 `folly/AtomicHashmap.h` introduces a synchronized UnorderedAssociativeContainer. 5 implementation designed for extreme performance in heavily multithreaded. 6 environments (about 2-5x faster than tbb::concurrent_hash_map) and good memory. 7 usage properties. Find and iteration are wait-free, insert has key-level lock high f scoreWebJan 23, 2024 · Components. Below is a list of (some) Folly components in alphabetical order, along with a brief description of each. Arena.h, ThreadCachedArena.h howick populationWebMar 15, 2014 · The CAS instructions would check whether the node you're grabbing has been updated at the point you go to use it. However, would one use CAS to write a lock-free std::unordered_map? There are no nodes as such- just buckets which are abstracted away from the API. I am asking because I'd like to have a go at writing my own version. high fsh and lh low testosterone