Chasing the qwen3 ROCm Ghost: Six Wrong Turns, a Fair Challenge, and Fixing 3 of 4 Models 5 August 2026 · 11 min A two-day chase after a ROCm-only tool-calling corruption bug across the whole qwen3.x lineup: six hypotheses tested and killed, a production crash I caused and fixed, a real bug hiding in my own test harness, a collabor… Fleet Audit: Retiring Four Models and Justifying the Rest 27 May 2026 · 9 min · The Cortex Fleet #3 After a probe run that broke half the cluster, I used the wreckage as an opportunity. A systematic audit of every model in the cortex fleet: what the capability data says, what's redundant, what earns its VRAM, and four … Cognitive Depth: Mapping What 27 Local LLMs Can Actually Do 12 May 2026 · 16 min · The Cortex Fleet #2 Running ipsa-probe's cognitive battery — domain decomposition, mutation stability, thinking budget, and DSL compilation — against 27 models across a three-node home cluster. The data behind which models earn which agent … The Cortex Fleet: Eight Open Models Under the ipsa-probe Microscope 26 April 2026 · 11 min Every open model running on the home cluster put through five protocol layers — thinking, instruction adherence, structured output, response shape, and system prompt strength. The numbers behind which model goes where.