Mufeez

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Training an LLM to use a Debugger

Post-training Qwen3-Coder to debug with breakpoints, stack inspection, and live evaluation

ml sysAIresearch
May 31, 2026

Evals, Harness, Data

34 min

SFT

WIP

RL, Evals

WIP
Mar 11, 2026

Optimizing NVFP4 Grouped GEMM on Blackwell – Worklog

Taking an NVFP4 Grouped GEMM kernel from 238 µs to 23.8 µs with TMA, warp specialization, and cluster multicast.

ml sysperformance
21 min
Apr 1, 2025

Flushable SSTables in Pebble

~60% perf improvement when ingested SSTs overlap with the memtable

databasesperformance
6 min
Oct 6, 2024

Enforcing Robust Type Safety with ESLint

Surfacing ~250 type inconsistencies in Linear's type definitions

dev-ex
4 min
Aug 13, 2024

Shipping Linear Drafts

Making drafts a first-class entity throughout Linear

product
8 min
Jul 15, 2024

Concurrent Manual Compactions

Segmenting key space and parallelizing execution, 30% perf improvement

databasesperformance
6 min