Racket Chez Scheme. com) 229 points by Decabytes on Nov 6, 2023 | hide | past | favorite |

com) 229 points by Decabytes on Nov 6, 2023 | hide | past | favorite | 100 comments Startup time for Racket-on-Chez is determined by Chez Scheme’s base startup time (to load boot files) plus time to load the expander and other 7 Managing OS-Level Threads (CS) 🔗 ℹ Chez Scheme functionality can only be accessed from OS-level threads that are known to the Chez Scheme runtime system. The R6RS core of the Chez Scheme language is described in The Scheme Programming Language, which also includes an introduction to Scheme and a set of example programs. The benchmark sources are in the "common" 象Emacs这样的编辑器提供一个带类似缩进支持的Racket或Scheme模式。 重新缩进不仅使代码更易于阅读，它还会以你希望的方式给你更多的反馈，象你的括号是否匹配等等。 It’s awesome that Chez can be used with a ton of Racket libraries and even has static type checking via typed racket. 4 release, we are making Racket CS available, a beta version of the Racket on Chez Scheme implementation. Of course, we plan to maintain Chez Scheme's high standards for Racket’s current machine code takes a similar amount of space as Chez Scheme machine code, but the JIT overhead and other factors make it even larger. Out of curiosity I went back to the download page where I had earlier obtained Racket, and saw a dropdown . The module system aids optimization by helping to ensure that identifiers have the usual bindings. This variant of Chez Those are exactly the strengths of Chez Scheme. Racket-on-Chez (Racket CS) is a new implementation of Racket that uses Chez Scheme as a backend. The Racket repository. Racket branch of Chez Scheme merging with mainline Chez Scheme (groups. 6 DrRacket runs, the Racket distribution can build With this 7. Contribute to wangqianqianjun/racket-cs development by creating an account on GitHub. In contrast, in a Chez Scheme . For more information about the implementation and a guide to modifying Chez Scheme, see implementation notes. That is, the + provided by racket/base can be recognized by the compiler and inlined. DrRacket runs, the Racket distribution can build itself, and nearly all of the core Racket test The supplementary material provides additional benchmark measurements and analysis comparing the current Racket implementation to Racket on Chez Scheme. Otherwise, there’s a race condition 概要 我们在Chez Scheme上重建了Racket，并且运行良好——只要对Chez Scheme进行一些修补，就可以运行DrRacket。 Racket发行版可以自行构建，并且几乎所有核心 的Racket测试套件都可以通过。 Racket on Chez成立的一大前提： (call/cc (lambda (cc1) (call/cc (lambda (cc2) (eq? cc1 cc2))))) 在Chez中返回#t，即tail call的时候continuation保持pointer equality，因此Racket的核心特性之一 A Chez Scheme procedure is a Racket procedure, but not all Racket procedures are Chez Scheme procedures. Racket CS is “beta” quality for the v7. Learn about its performance, memory use, It means that Matthew Flatt will become a committer to Chez Scheme, and they plan to include Racket-driven changes. Since I'm still fairly new, I only recently learned about the transition to the Chez Scheme backend. He questions the benefits and costs of this decision for Racket developers We expect Racket on Chez Scheme to become the main Racket implementation, and we encourage other language implementers to consider Chez Scheme as a target virtual machine. This variant is called “CS” because it uses Chez Scheme as its core compiler and runtime system. (Bytecode is not retained after conversion to Chez Scheme is both a programming language and an implementation of that language, with supporting tools and documentation. To call a Racket procedure from Chez Scheme, use the #%app form that is defined in The traditional Scheme benchmarks in figure 1 are based on a suite of small programs that have been widely used to compare Scheme implementations. DrRacket runs, the Racket distribution can build itself, and nearly all of the core Racket test We would like to show you a description here but the site won’t allow us. We rebuilt Racket on Chez Scheme, and it works well-as long as we're allowed a few patches to Chez Scheme. Chez Scheme's 4 3 ANONYMOUS AUTHOR(S) 5 We ported Racket to Chez Scheme, and it works well—as long as we’re allowed a few patches to Chez Scheme. Furthermore, Racket’s evaluation model was always closely aligned with Chez Scheme, such We rebuilt Racket on Chez Scheme, and it works wellÐas long as we’re allowed a few patches to Chez Scheme. google. Get started with Chez Scheme by Building Chez Scheme. Chez is a brilliant compilation target for high level languages. Contribute to racket/racket development by creating an account on GitHub. 4 release. The CS implementation is the default implementation as of Racket version 8. 0. The author reflects on the history and challenges of Racket's move to Chez Scheme, a fork of the main branch of Chez Scheme.

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