Alex Bradbury | Igalia - Open Source Consultancy and Development

Alex Bradbury

Alex Bradbury

At Igalia since March 2022.

Cambridge (UK)

POSTS

Jun 23, 2025

Vendor-recommended LLM parameter quick reference

I’ve been kicking the tires on various LLMs lately, and like many have been quite taken by the pace of new releases especially of models with weights distributed under open...

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May 12, 2025

suite-helper

In my work on RISC-V LLVM, I end up working with the llvm-test-suite a lot, especially as I put more effort into performance analysis, testing, and regression hunting. suite-helper is...

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May 6, 2025

Chuwi MiniBook X N150

Cast your mind back to the late 2000s and one thing you might remember is the excitement about netbooks. You sacrifice something in raw computational power, but get a lightweight,...

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Feb 27, 2025

ccache for LLVM builds across multiple directories

Problem description If you’re regularly rebuilding a large project like LLVM, you almost certainly want to be using ccache. Incremental builds are helpful, but it’s quite common to be swapping...

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Media

Improvements to RISC-V Vector Code Generation in LLVM

Jul 7, 2025 Slides (354 KB PDF)

Lessons learned from leveling up RISC-V LLVM testing

Jun 9, 2025

RISC-Y Business

Jan 31, 2025

Toots

Pour one out for NativeClient, finally removed from the LLVM tree last week https://github.com/llvm/llvm-project/commit/0d2e11f3e834

I’ve added a bunch more configurations to RISC-V LLVM CI: coverage of zvl512b, zvl1024b, -mcpu=spacemit-x60 (covering zvl256b), and the “gauntlet”...

I lucked into this one rather - what I started just to clean up a minor niggle in terms of...

I’m delighted to see two of @igalia’s projects for RISE highlighted in @ludovic_dev and Nathan Egge’s presentation at the RISC-V...

Commits

[LLVM] Revert "[RISCV] AddEdge between mask producer and user of V0 (#146855)"

[LLVM] [LoopIdiom] Select llvm.experimental.memset.pattern intrinsic rather …

[LLVM] [PreISelIntrinsicLowering] Reuse previously generated GlobalVariable …

[LLVM] [RISCV] Canonicalize beq/bne with x0 as first arg to beqz/bnez (#141781)