Alex Bradbury | Igalia - Open Source Consulting and Development

Alex Bradbury

Alex Bradbury

At Igalia since March 2022.

Cambridge (UK)

POSTS

Mar 31, 2026

Minipost: Routing a Linux user's traffic through a WireGuard interface

Simple goal: take advantage of my home router’s WireGuard support and have one of my external servers connect using this, and pass all traffic from a certain user through that...

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Feb 17, 2026

Minipost: Additional figures for per-query energy consumption of LLMs

Last month I wrote up a fairly long piece on per-query energy consumption of LLMs using the data from InferenceMAX (note: InferenceMAX has since been renamed to InferenceX). Much of...

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Feb 11, 2026

shandbox

shandbox is a simple Linux sandboxing script that serves my needs well. Perhaps it works for you too? No dependencies between a shell and util-linux (unshare and nsenter). In short,...

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Jan 7, 2026

Per-query energy consumption of LLMs

How much energy is consumed when querying an LLM? We’re largely in the dark when it comes to proprietary models, but for open weight models that anyone can host on...

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Media

Improvements to RISC-V Vector Code Generation in LLVM

Improvements to RISC-V Vector Code Generation in LLVM

Slides (354 KB PDF)

Lessons learned from leveling up RISC-V LLVM testing

Lessons learned from leveling up RISC-V LLVM testing

RISC-Y Business

RISC-Y Business

Toots

There are many tools for unprivileged sandboxing on Linux. You should probably go use one of them. But I wrote...

2% of Golang 2025 survey respondents are deploying their Go software to RISC-V. Take that, s390x! https://go.dev/blog/survey2025#operating-systems-and-architectures

Wake up babe, new proposed RISC-V base ISA names just dropped. https://lists.riscv.org/g/tech-unprivileged/topic/longer_base_name_proposal/116854896How long until we see an rv32lbefx_mafc_zicntr_zicsr_zifencei_zba_zbb_zbs_zca_zfa in the...

I’ve started writing up the flow I use for capturing instruction execution frequency data from benchmarks using QEMU. First we...