发布于 2015-08-07 23:52:04 | 176 次阅读 | 评论: 0 | 来源: 网友投递
Rust 编程语言
Rust是Mozilla开发的注重安全、性能和并发性的编程语言。创建这个新语言的目的是为了解决一个很顽疾的问题：软件的演进速度大大低于硬件的演进，软件在语言级别上无法真正利用多核计算带来的性能提升。Rust是针对多核体系提出的语言，并且吸收一些其他动态语言的重要特性，比如不需要管理内存，比如不会出现Null指针等等。
Rust 1.2 稳定版发布了，该版本对编译器进行改进，包含两方面主要的性能提升：
An across-the-board improvement to real-world compiler performance. Representative crates include hyper (compiles 1.16x faster), html5ever (1.62x faster), regex (1.32x faster) and rust-encoding (1.35x faster). You can explore some of this performance data at Nick Cameron’s preliminary tracking site, using dates 2015-05-15 to 2015-06-25.
Parallel codegen is now working, and produces a 33% speedup when bootstrapping on a 4 core machine. Parallel codegen is particularly useful for debug builds, since it prevents some optimizations; but it can also be used with optimizations as an effective-O1flag. It can be activated by passing-C codegen-units=Ntorustc, whereNis the desired number of threads.
Cargo 的性能也得到提升：
Builds that do not require any recompilation (“no-op builds”) for large projects are much faster: for Servo, build time went from 5 seconds to 0.5 seconds.
Cargo now supports shared target directories that cache dependencies across multiple packages, which results in significant build-time reduction for complex projects.
同时 Rust 1.2 支持 MSVC (Microsoft Visual C) 工具链。在语言方面 Rust 1.2 完成了 dynamically-sized type (DST) 工作。详细介绍请看发行说明。
Rust是Mozilla开发的注重安全、性能和并发性的编程语言。创建这个新语言的目的是为了解决一个很顽疾的问题：软件的演进速度大大低于硬件的演进，软件在语言级别上无法真正利用多核计算带来的性能提升。Rust是针对多核体系提出的语言，并且吸收一些其他动态语言的重要特性，比如不需要管理内存，比如不会出现Null指针等等。