Co-dfns Live Stream: Compiler Design and Architecture

Why HN readers recommended it

HN readers say it changed their view of APL and array languages, with a clear walkthrough of how a compiler can be written in this style.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

Aaron Hsu (arcfide)

Topic

apl compiler design

Format

talk

Level

advanced

HN recommenders in dataset

3

HN mentions in dataset

8

Recommendation years in dataset

2018–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• What use is Chinese for someone who doesn't read Chinese? The S combinator written like that is perfectly legible and fine for someone who is already familiar with the S Combinator. I don't see the problem there and I don't already grok the S Combinator. …

• One of the most memorable and interesting things I've ever seen on HN was an AMA from the creator of the Co-dfns parallel APL compiler. Here is co-dfns [0] and the AMA by the creator [1]. The video may give you some insight and at …

• Nothing has ever convinced me about the potential for array languages in practice quite like watching Aaron Hsu describe how he develops his parallel APL compiler [0] using two Notepad.exe windows side-by-side: [VIDEO] He has also written many comments (arcfide on HN) about this stuff …