cisco/ChezScheme on Hacker News

https://github.com/cisco/ChezScheme

comment by ducklord · 2025-10-21 · in Practical Scheme

…himself that it’s paid off well: better performance and a smaller, more maintainable codebase. 1: https://github.com/cisco/ChezScheme (also, pronounced “Shay Scheme”) 2: https://ecraven.github.io/r7rs-benchmarks/ 3:…

comment by ashton314 · 2025-10-06 · in Show HN: Kent Dybvig's Scheme Machine in 400 Lines of C (Heap-Memory Model)

…--- FYI: For more context, I'm trying to send a PR to Chez Scheme (and indirectly to Racket) https://github.com/cisco/ChezScheme/pull/959 to reduce expressions like (+ 1.0 (length L)) ; ==> (+ 1.0 (fixnum->flonum (length L))) where the…

comment by gus_massa · 2025-08-03 · in Ask HN: How is it possible to get -0.0 in a sum?

…from pseudo-scheme to c, and then the c version includes the definition of the macro and uses it https://github.com/cisco/ChezScheme/blob/fc577f234171af80859...

comment by gus_massa · 2024-10-22 · in Workaround Clang v15 AArch64 miscompile that affects parallel collection

…low level support for the tree of subrecords and I may be missing a few more tricks. You can go to https://github.com/cisco/ChezScheme/blob/main/s/cp0.ss and Ctr+F record . For example https://github.com/cisco/ChezScheme/blob/main/s/cp0.ss#…

comment by gus_massa · 2024-08-30 · in CIEL Is an Extended Lisp

The main line of Chez Scheme is here: https://github.com/cisco/ChezScheme There is more work to be done before release 10.0.

comment by soegaard · 2023-11-06 · in Racket branch of Chez Scheme merging with mainline Chez Scheme

…have been nice for the article to link to Chez Scheme's project page, which seems to be this one: https://github.com/cisco/ChezScheme Also not clear why should folks use Chez? The article barely covered the why or what successful apps have…

comment by uxcolumbo · 2023-09-22 · in Chez Scheme: Lisp with native code speed

Who will convince Kent to come back and make r6.1rs? https://github.com/cisco/ChezScheme/issues/574 If you want a large language, isn't it a better idea to build it on top of something the makes better guarantees for the user? I prefer my…

comment by bjoli · 2023-08-18 · in My resignation letter as R7RS-large chair

…from people that have worked with similar projects with incompatible licenses. I remember https://github.com/cisco/ChezScheme/pull/376#issuecomment-45... and https://wiki.winehq.org/Developer_FAQ#Copyright_Issues

comment by gus_massa · 2022-10-18 · in GitHub Copilot investigation

I thought Cisco was invested in Scheme - but perhaps that's at a different level in the stack? https://github.com/cisco/ChezScheme

comment by e12e · 2021-11-25 · in Cisco iOS Scripting with Tcl

…the Chez Scheme backends and didn't remember seeing aarch64, just 32 bit arm. And then I found this https://github.com/cisco/ChezScheme/issues/545 Racket-Chez is different from Cisco-Chez by > 600 commits. I wonder what the plan is to…

comment by sitkack · 2021-01-24 · in Racket Compiler and Runtime Status

…them self-hosting more, and moving to Chez scheme's backend, but I don't recall the details now. https://github.com/cisco/ChezScheme https://en.wikipedia.org/wiki/Chez_Scheme https://github.com/racket/racket/tree/master/racket/src/rack...…

comment by chubot · 2020-01-21 · in Grammars for Programming Languages (2018)

…the Algorithmic Language Scheme (R6RS), Chez Scheme supports all standard features of Scheme [...] https://github.com/cisco/ChezScheme

comment by pera · 2019-01-29 · in Racket-On-Chez Status: January 2019

A minor update: Now Chez Scheme is open source (Apache license) https://github.com/cisco/chezscheme

comment by gus_massa · 2018-11-28 · in Perchance to Scheme (2016)

You can easily install ChezScheme by git cloning and following these instructions on the github page: https://github.com/cisco/ChezScheme/blob/master/BUILDING You do not have to wait for your package manager to catch up.

comment by i_feel_great · 2018-06-05 · in Chezscheme 9.5 in Debian Testing

…definitions and any comments into a lovely Scheme file. [0] https://github.com/gambit/gambit [1] https://github.com/cisco/ChezScheme [2] https://cisco.github.io/ChezScheme/csug9.5/use.html#./use:h2

comment by shakna · 2018-02-18 · in How to make a game from scratch using Lua and Löve

Scheme can be compiled. https://github.com/cisco/ChezScheme

comment by fasquoika · 2017-09-28 · in A Brief History of Lisp Machines (2008)

Back in the day, Chez Scheme was pretty damn fast: https://github.com/cisco/chezscheme Dybvig went to Cisco and open-sourced it. Last I read, Racket lang is swapping over to use Chez as its foundation: https://racket-lang.org I've also…

comment by jstewartmobile · 2017-09-20 · in Ask HN: Will Rust be as popular as Go or C++?

…the above code to JavaScript yields a stack overflow error if you invoke lookup inside of `f`. 0. https://github.com/cisco/ChezScheme/blob/06f858f9a505b9d6fb6...

comment by kaosjester · 2017-09-12 · in Resolving and Binding

…project [2]. I haven't browsed the Chez source, but it's a good way to answer your question. [0] https://github.com/cisco/ChezScheme [1] http://ecraven.github.io/r7rs-benchmarks/benchmark.html [2] https://www.cs.indiana.edu/~dyb/pubs/commer…

comment by capnrefsmmat · 2017-09-02 · in My first fifteen compilers

…as well. Although there are no binaries of the 9.4 release, you'd have to build it yourself: https://github.com/cisco/ChezScheme/releases https://cisco.github.io/ChezScheme/release_notes/v9.4/releas...

comment by kristianp · 2017-08-04 · in The Development of Chez Scheme (2006) [pdf]

…source. This is a great gift to all compiler hackers, and I sincerely thank Cisco for the release. https://github.com/cisco/ChezScheme

comment by sanxiyn · 2017-08-04 · in The Development of Chez Scheme (2006) [pdf]

Not true. Chez Scheme has been released as free open source software: https://github.com/cisco/ChezScheme

comment by tbirdz · 2016-12-18 · in An Incremental Approach to Compiler Construction (2006) [pdf]

…other scheme implementations out of the water: https://www.nexoid.at/tmp/scheme-benchmark-r7rs.html https://github.com/cisco/ChezScheme

comment by tbirdz · 2016-05-14 · in A Personal Lisp Crisis (2012)

…own DSL construction framework [2]. [1] http://andykeep.com/pubs/np-preprint.pdf And some examples: https://github.com/cisco/ChezScheme https://github.com/eholk/harlan [2] https://github.com/combinatorylogic/mbase

comment by sklogic · 2016-04-29 · in Rebol vs. Lisp Macros