Details of how I how self host services to maintain a degree of digital privacy and freedom.

How to build a simple discrete-event simulation with an example in Rust

A review of one year’s worth of data from my home heat pump.

Thoughts on the requirements of software infrastructure to support chip design.

A rationale and strawman for a processor to accelerate dynamic-language workloads.

Retrofitting insulation in a timber-framed top floor.

A hardware implementation of a Hex processor with some basic tooling, including a complete compiler for a simple programming language.

Choosing seeds for parallel xoroshiro128+ generators using fixed offsets produces correlated outputs.

A short summary of an investigation into the statisitical quality and implementation cost in hardware of the xoroshiro128aox PRNG.

Design and construction of a office and workshop.

Investigation of thermal faults using a thermal-imaging camera.

A review of human impacts on nature as a way to reflect and navigate environmental bad news.

Using Hamming Codes for single error correction and double error detection.

Low-cost construction of a shed out of reclaimed materials.

Details of new chips that have been built recently to accelerate machine intelligence workloads.

A description of how digital circuits are modified to allow scan testing to be performed.

Experimental lighting using high-power LEDs in generous volumes and behind translucent acrylic plastic to create big blocks of colour.

An LED driver module controlled by a PIC12F1572 and with CAT4101 drivers, deployable in an array via a RS485 interface.

A description of a command-line tool I created for tracing timing paths from a flattened netlist back through the RTL.

Retrofitting an existing shed/workshop with insulation to improve its energy efficiency and make it a usable space throughout the year.

The rules for composing Vim’s motions and operators.

Coding style for RTL design using Verilog / SystemVerilog. Updated 2024.

Using empirical statistical tests to determine the quality of PRNGs.

A C++ implementation of a convoluational neural network building on the explanation in Michael Nielsen’s book ‘Neural Networks and Deep Learning’.

A review of state-of-the-art techniques used.

Neural networks have become a hot topic in computing and their development is progressing rapidly. They have a long history with some of the first …

An overview of the key features of the language, many of which derive from occam.

The XMP-64 is an experimental single-board distributed-memory parallel computer with 512 hardware threads and is programmable with a C-like language. It was developed by …

An overview of my PhD thesis.