John Rose

Latest work
2026-01 - Kimi K2.5 technical paper: methods and implications
analysis
2026-01 - Ozaki fp64 emulation on NVIDIA Blackwell: mantissa slicing POC
analysis | code
2026-01 - DeepSeek Engram: systems implications of KV offload for LLMs
analysis

Systems engineer. Linux kernel, AI infrastructure, virtualization.

Linux Kernel: Author of (rpadlpar) in mainline kernel. PCI Hotplug driver for runtime I/O reconfig.

Select Projects: kvm-experiments Built KVM host, client VMs, and debugged passthrough / VFIO / iommu.
CUDA-prog Progressively parallel vector math with CUDA and GPUs.
quant-sampler Minimal implementation of sampling in C with numerically stable softmax and custom bit-packing.
rand-bitwise Unbiased random number generator using Lemire's algorithm.
diskutil Disk usage analyzer for Linux cmd line. Configurable multithreading.

Background: 7 years Linux kernel at IBM, 15 years corporate, returning to systems work

Contact: [johnrose3000@gmail.com]