GPU passthrough into LXC, without the pain
Four identical RTX 5060 Ti cards, one Proxmox container, and a PCIe lane map that quietly decides which card is allowed to talk to which. The passthrough was the easy part.
The look-ahead bug that made our backtest look worse
Our Chandelier exit peeked one bar ahead, cutting winners short instead of inflating the result. A fixed backtest is not a found edge: ETH 4h went from -16.2% to +185.0%.
Our LLM Polymarket bot was just reading the market price back to us
Aggregate Brier score 0.12. And it lost to the market in every single edge bucket. A postmortem of an LLM forecaster that turned out to be an expensive mirror.
Everything I got wrong planning a $5.5k AI homelab
Three planning mistakes, one invisible GPU, and seven months of running a 64GB-VRAM box that ended up doing a completely different job than the one I built it for.
One honest dispatch, weekly.
What ran, what shipped, what died — with the numbers behind each. No threads, no hype.