Rust 是基于 io-uring 的异步运行时。
A thread-per-core Rust runtime with io_uring/epoll/kqueue.
Monoio is a pure io_uring/epoll/kqueue Rust async runtime. Part of the design has been borrowed from Tokio and Tokio-uring. However, unlike Tokio-uring, Monoio does not run on top of another runtime, rendering it more efficient.
Moreover, Monoio is designed with a thread-per-core model in mind. Users do not need to worry about tasks being Send or Sync, as thread local storage can be used safely. In other words, the data does not escape the thread on await points, unlike on work-stealing runtimes such as Tokio. This is because for some use cases, specifically those targeted by this runtime, it is not necessary to make task schedulable between threads. For example, if we were to write a load balancer like NGINX, we would write it in a thread-per-core way. The thread local data does not need to be shared between threads, so the Sync and Send do not need to be implemented in the first place.
As you may have guessed, this runtime is primarily targeted at servers, where operations are io-bound on network sockets, and therefore the use of native asynchronous I/O APIs maximizes the throughput of the server. In order for Monoio to be as efficient as possible, we've enabled some unstable Rust features, and we've designed a whole new IO abstraction, which unfortunately may cause some compatibility problems. Our benchmarks prove that, for our use-cases, Monoio has a better performance than other Rust runtimes.
To use monoio, you need rust 1.75. If you already installed it, please make sure it is the latest version.
Also, if you want to use io_uring, you must make sure your kernel supports it(5.6+). And, memlock is configured as a proper number. If your kernel version does not meet the requirements, you can try to use the legacy driver to start, currently supports Linux and macOS(ref here).
Experimental windows support is on the way.
Here is a basic example of how to use Monoio.
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You can find more example code in examples of this repository.
Thanks for their contributions!
HTTP framework and RPC framework are on the way.
Monoio is licensed under the MIT license or Apache license.
During developing we referenced a lot from Tokio, Mio, Tokio-uring and other related projects. We would like to thank the authors of these projects.
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