The majority of performance improvements in modern processors are due to increased core count rather than increased instruction execution frequency. To maximise hardware utilization, applications need to use multiple processes and threads. Servers that process discrete requests are a good candidate for both…
After we published this paper, Matthias Hauswirth kindly pointed out similarities between this work and the PL-detective , a body of work that is very closely related that we did not previously know. Less similar but also related---and entertainingly written up---is smeagol . Since we published the paper, we have…
EDIT: As pointed out in the Rust reddit thread, the Rust version can be modified to run faster due to a suble difference between ..=z and ..(z+1). I’ve updated the measurements with rustc0 be…
In previous posts, we covered the most popular implicit use cases. What is left to complete the picture is the mechanics of implicits itself.
Notable changes and additions to the Dart programming language.
As a fun experiment, and to show the basics of clojure development, I implemented a minesweeper clone using clojurescript and p5.js.
Here's a Forth program debugged in KDevelop – a graphical debugger without Forth support:
I looked into Python because I was considering translating the Lisp code for the Russell & Norvig AI textbook into Java. Some instructors and students wanted Java because
Programming is a fundamentally incremental (or gradual) process, and our programming languages should reflect that. I show several ways in which program models transition over time and discuss how future research can further a human-centric vision for programming languages.
One such topic that has challenged my own conceptions is how errors are handled in Go. To recap:
In our company we usually have a fun quiz every sunday and this was one of them
One of the biggest open questions for migrating to Scala 3 is what to do about macros. In this blog post we give our current thoughts. The gist is that we are trying to achieve full alignment between macros and Tasty.
I’ve told this story in person dozens of times, it’s time to write it down and share it here. I’ve again experimentally recorded a video version (below), which you can view on a non-Flash device here .
What happens when human error enters into semantic versioning and vgo
Practical Racket macros
Today, as I announced earlier, the Corman Lisp 3.1 has been released after more than a decade-long break. Somehow it happened that I am one of the active mai...
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wingolog: article: lightweight concurrency in lua
(This essay is from the introduction to On Lisp .) It's a long-standing principle of programming style that the functional elements of a program should not be too large. If some component of a program grows beyond the stage where it's readily comprehensible, it becomes a mass of complexity which conceals errors as…
Python's GIL explained in Python code
I am writing Dora, a simple JIT-compiler with Rust. Dora is both the name of the custom programming language and of the JIT-compiler. After some time working on it, I want to write about the experiences I made. I started this project to get a better understanding of the low-level implementation details of a…
Last week was the release of Oracle’s GraalVM. As stated on the website: GraalVM is a universal virtual machine for running applications written in JavaScript, Python 3, Ruby, R, JVM-based languages like Java, Scala, Kotlin, and LLVM-based languages such as C and C++. GraalVM removes the isolation between programming…
Note: This post was originally titled “Stop writing lambda expressions in Python” but I’ve changed the title after deciding that it was a little...
An interesting, and (as it turned out) doomed, method of combining async and synchronous Python code
