# XenCore Nexus

> Independent research laboratory and technical benchmark documentation by Christopher Wagner for a 4× Intel Arc Pro B70 workstation, Intel Arc graphics architecture, and local LLM inference engines.

## Current benchmark status

Published benchmark runs: 56. Measurement profiles and separate validation records are available on the benchmark detail pages.

## Main Resources

- [Benchmark Matrix](https://xencorenexus.com/benchmark/): Validated inference benchmarks across vLLM-XPU, SGLang-XPU, and llama.cpp-SYCL measuring TTFT, decode throughput, and speculative decoding on 4× Intel Arc Pro B70 (128 GB VRAM).
- [VRAM & KV-Cache Calculator](https://xencorenexus.com/calculator/): Interactive planning tool for context length, batch size, quantization (BF16, FP8, AWQ, GGUF), and multi-GPU VRAM footprint.
- [Setup Recipes](https://xencorenexus.com/recipes/): Step-by-step setup guides and runbooks for vLLM-XPU, SGLang-XPU, llama.cpp SYCL, Docker runtimes, and Intel OneAPI drivers on Arc hardware.
- [Hardware Architecture](https://xencorenexus.com/hardware/): Deep technical breakdown of the 4× Intel Arc Pro B70 workstation, PCIe topology, thermal behavior, and memory bandwidth (608 GB/s per card).
- [Technical Notes](https://xencorenexus.com/guides/): In-depth technical articles on speculative block diffusion (DFlash/DFlash2), upstream engine contributions, and Linux kernel drivers.
- [Problem Notes & Gotchas](https://xencorenexus.com/gotchas/): Documented runtime limitations, kernel workarounds, and known issues under active investigation.

## Optional

- [Full LLM Context](https://xencorenexus.com/llms-full.txt): Complete text bundle including all published article summaries and benchmark dataset entries.
- [Machine-Readable Benchmark API](https://xencorenexus.com/api/benchs.json): Raw JSON schema conforming benchmark data for automated ingestion.
- [Maintainer Profile](https://xencorenexus.com/author/christopher-wagner/): Background and independent research focus of Christopher Wagner.
- [Deutsche Version](https://xencorenexus.com/de/): Vollständige deutsche Lokalisierung aller Benchmarks, Werkzeuge und Notizen.