Documentation
Bundle OKF 0.2 · 14 conceitos · salient-data/spark-qwen38-27b-nvfp4
Open source Repository Open in the app JSON
About
# Documentation
Serving **Qwen3.8-27B** on a DGX Spark (GB10, SM 12.1). This bundle is the
source of truth for architecture, flag rationale, benchmarks and troubleshooting;
[`README.md`](../README.md) is the landing page that links here.
**Shipped configuration:** `RadixArk/Qwen3.8-27B-NVFP4` @ `554ebba` with the
DFlash2 drafter on an sglang image pinned to `a688682f4`. That image carries
sglang #35496, and the configuration cannot boot without it.
## Start here
- [Serving Qwen3.8-27B on GB10](reference/serving-qwen3-8-27b-on-gb10.md) — what
this repo serves, the model's 48/16 layer split, and how to bring the server up.
## Decisions
- [Serve RadixArk on a post-35496 build](adr/serve-radixark-on-a-post-35496-build.md)
— the dense-`lm_head` requirement turned out to be the engine build, not the
checkpoint: +23.5% prose and +21.6% code-edit at identical acceptance.
## Reference
- [Checkpoint selection](reference/checkpoint-selection.md) — why the label
"NVFP4" tells you nothing,
Details
- Kind
- OKF bundles
- Topic
- No topic detected
- Publisher
- salient-data
- Origin
- okf_github
- Category
- dados
- Version
- 0.2
- Added
- 2026-09-09 05:08:26
- Updated
- 2026-09-09 05:08:26
- Origin id
salient-data/spark-qwen38-27b-nvfp4:docs/index.md