Marcel Weiher

Meltdown patch reduces mkfile(8) throughput to less than 1/3 on OS X

“What Alan Kay Got Wrong About Objects”

One of the anonymous reviewers of my recently published Storage Combinators paper ( pdf ) complained that hiding disk-based, remote, and lo...

What Happens to OO When Processors Are Free? (2015)

A while ago, I presented as a crazy thought experiment the idea of using Montecito's transistor budget for creating a chip with tens of tho...

Inserting 130M SQLite rows per minute from a scripting language

The other week, I stumbled on the post Inserting One Billion Rows in SQLite Under A Minute , which was a funny coincidence, as I was just in...

Mojo is a much better “Objective-C without the C” than Swift ever was

One of the primary things that people don't understand about Objective-C is that it is a solution of the two language problem , or more prec...

The Curious Case of Swift's Adoption of Smalltalk Keyword Syntax

I was really surprised to learn that Swift recently adopted Smalltalk keyword syntax: [Accepted] SE-0279: Multiple Trailing Closures . Tha...

Setting the bozo bit on Apple

The other day I was fighting once again with Apple Music. Not the service, the app. What I wanted to do was simple: I have some practice ...

Maybe visual programming is the answer, maybe not

Whenever discussing problems with programming today and potential solutions, invariably someone will pop up and declare that the problem is ...

Lisp Macros, Delayed Evaluation and the Evolution of Smalltalk

At a recent Clojure Berlin Meetup , Veit Heller gave an interesting talk on Macros in Clojure. The meetup was very enjoyable, and the talk...

UIs are not pure functions of the model (2018)

When I first saw React.js , I had a quick glance and thought that it was cool, they finally figured out how to do a Cocoa-like MVC UI framew...

Jitterdämmerung

So, Windows 10 has just been released, and with it Ahead Of Time (AOT) compilation feature .NET native . Google also just recently introduc...

Dependency Injection is a Virtue

DHH recently made a claim of Dependency Injection not being entirely virtuous, and got support from Tim Bray . While both make good point...

Mkfile(8) is severely syscall limited on OS X

When I got my brand-new MacBook Pro (late 2016), I was interested in testing out the phenomenal SSD performance I had been reading about, r...