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ROCm
:7.1.1
You can (not) build.
Issues encountered while building and maintaining ROCm packages
Rooting your HP BladeSystem
CVE-2018-7118
Too loud? Guess we have to hack it.
Trained steering vectors may work as activation oracles
≈1/600th the params, comparable accuracy, and some eval oddities in the AO paper.
Zen 3's Amazing Slow Short Rep Mov
Zen 3 signals Fast Short Rep Mov support. It's disastrously slow for unaligned data.
Recent articles
Recent collaboration
Merged @VlaDexa's NixOS/nixpkgs#545108 — zluda: 6-preview63 -> 6
2026-07-24
Merged @booxter's NixOS/nixpkgs#543692 — rocmPackages.aotriton: disable verbose logs for ninja install
2026-07-20
Authored NixOS/nixpkgs#543676 — rocmPackages.llvm: backport select-ptr patchset so sdag fix applies, merged by @vcunat
2026-07-20
Merged @mdaniels5757's NixOS/nixpkgs#538824 — python3Packages.torchtune: fix alias after dropping
2026-07-06
Approved @CertainLach's NixOS/nixpkgs#538426 — rocmPackages.{rocshmem,hipsparselt}: init at 7.2.3
2026-07-05
Proposed pytorch/pytorch#182030 — [ROCm] Make AOTriton bundling optional via `BUILD_AOTRITON_INTO_WHEEL` flag
2026-04-30
Approved @khaneliman's nix-community/home-manager#9139 — syncthing: avoid init for default gui address
2026-04-27
Authored NixOS/nix#15417 — libstore: handle root path in RemoteFSAccessor::maybeLstat, merged by @Ericson2314
2026-03-09
Authored triton-lang/triton#9628 — [AMD] Add GCN5.1 / gfx906 target, merged by @antiagainst
2026-03-06
Approved @fufexan's fufexan/nix-gaming#350 — treewide: enforce nixfmt formatting
2026-03-01
Experience
Member of Technical Staff, Anthropic 2026–present
infra
GPGPU Compute & Builds, NixOS 2022–present
Nixpkgs: 4 significant ROCm version upgrades, PIE/ASLR hardening, ML ecosystem fixes Nix, CMake, Python
Upstream: Blackwell codegen corrections & new ISA support in Triton, entirely too many ROCm segfaults & UB fixesC, C++, Rust
Staff Software Engineer, Block 2022–2026
Cloud platform, notifications at scale, cost optimization
Resolved critical cross-team payment SEV (8 figures/mo at risk) in an unfamiliar codebase after others had exhausted their leadsJava, Go, Kotlin, Python
Resolved critical cross-team payment SEV (8 figures/mo at risk) in an unfamiliar codebase after others had exhausted their leadsJava, Go, Kotlin, Python
Senior Software Engineer, Digital Science 2014–2021
Static analysis tooling, led CI & CD adoption across org, grant management UI, ultra-fast ORM rearchitecture C#, Rust, T-SQL
Founder, hobby project 2009–2010
Reverse engineered a game protocol as a preteen, built a server emulator from scratch, scaled to 1k concurrent users before receiving a C&D from the publisher PHP
Detailed OSS contributions index available here.