BigMoeOnEdge/docs
Raffaele 10af539a63
feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200)
Wide prefill graphs run on the Hexagon NPU through a two-layer arena streamed from flash; decode stays on the CPU. The app offers it in its own NPU section, off by default, Snapdragon only. A missing or unopenable device leaves the run on the CPU. release-apk builds the Hexagon backend and a skel per NPU generation in a separate, secret-free job. Bundles the llama.cpp bump to bmoe/expert-ready-hook-2609 (K-quants on the NPU). App 0.26.0 (41).
2026-09-28 09:52:46 +02:00
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assets docs(assets): label the Qwen3.8-Flash-Next hero clip like the DeepSeek one 2026-08-30 17:35:24 +02:00
bench-data feat(io): release the model file's mapping after load (--release-mmap) (#185) 2026-09-07 20:43:02 +02:00
adding-a-model.md feat(moe): Nemotron 3.5 (nemotron_h_moe) and Ornith 1.5 support (#203) 2026-09-28 09:34:42 +02:00
android-memory.md feat(moe): hold back dense tensors larger than RAM under every mode (#174) 2026-08-28 10:20:13 +02:00
architecture.md feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200) 2026-09-28 09:52:46 +02:00
benchmark-method.md docs: correct the macOS platform status after F_NOCACHE and the CI job 2026-08-29 19:11:31 +02:00
benchmarks-gpt-oss.md docs: record the expert-sidecar negative result and ship the --scatter microbench 2026-07-20 17:02:48 +02:00
benchmarks.md docs: benchmark pages as a contributor guide, and the Apple platform limits 2026-08-28 16:53:22 +02:00
cache-aware-substitution.md feat(moe): cache-aware expert substitution (--expert-substitute, experimental) and --ppl (#171) 2026-08-29 10:13:47 +02:00
cache-sizing.md feat(cli): say which mode a run used, and give --moe-stream a cache by default (#187) 2026-08-29 20:42:17 +02:00
community-benchmarks.md fix(scripts): bench-report model size and storage probe (du on the raw path) (#194) 2026-08-31 12:48:09 +02:00
expert-dropping.md feat(moe): cache-aware expert substitution (--expert-substitute, experimental) and --ppl (#171) 2026-08-29 10:13:47 +02:00
expert-prediction.md feat(moe): measure how predictable expert routing is, then act on it — and refute it (#101) 2026-07-28 09:21:41 +02:00
limitations.md feat(moe): Nemotron 3.5 (nemotron_h_moe) and Ornith 1.5 support (#203) 2026-09-28 09:34:42 +02:00
moe-streaming.md feat(io): release the model file's mapping after load (--release-mmap) (#185) 2026-09-07 20:43:02 +02:00
mtp.md feat(engine): self-speculative decoding — the model's own MTP head, or n-gram lookup (#134) 2026-08-02 00:09:39 +02:00
ngram.md feat(engine): self-speculative decoding — the model's own MTP head, or n-gram lookup (#134) 2026-08-02 00:09:39 +02:00
npu-prefill.md feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200) 2026-09-28 09:52:46 +02:00
prefetch.md feat(moe): measure how predictable expert routing is, then act on it — and refute it (#101) 2026-07-28 09:21:41 +02:00
pressure.md feat(moe): --drop-cold-experts — spend quality only where it buys I/O (#95) 2026-07-22 17:21:55 +02:00
README.md feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200) 2026-09-28 09:52:46 +02:00
roadmap.md feat(moe): Nemotron 3.5 (nemotron_h_moe) and Ornith 1.5 support (#203) 2026-09-28 09:34:42 +02:00
route-ahead.md feat(engine): --route-ahead N — commit decode routing to the N-layers-early prediction (#142) 2026-08-02 00:26:38 +02:00
row-gathered-tables.md feat(moe): serve row-gathered dense tables from flash (--row-stream) (#180) 2026-08-29 10:04:02 +02:00
seam.md feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200) 2026-09-28 09:52:46 +02:00
session.md perf(cli): BMOE_PROGRESS carries the answer as a delta, not cumulatively (#127) 2026-07-28 15:38:34 +02:00
telemetry.md feat: prefill on the NPU, decode on the CPU (--prefill-device), in the release APK (#200) 2026-09-28 09:52:46 +02:00
warmup-analysis.md docs: correct the benchmark recipe, the arch list and mismatched sizes 2026-07-19 11:27:18 +02:00

Documentation

Start with architecture.md for the layer map, or moe-streaming.md for the idea the project is built on.

Understanding the design

Doc What it answers
architecture.md How the layers fit together, and why llama.cpp is not forked.
moe-streaming.md Why streaming experts from flash makes a >RAM model run at all.
seam.md The exact contract with llama.cpp's public API, and how to upgrade the submodule.
limitations.md What this does not do, what it cannot do, and the prior art it builds on.
roadmap.md Themes worth exploring next.

Using and extending it

Doc What it answers
adding-a-model.md How to support a new MoE architecture (a recipe row plus a gate).
telemetry.md The BMOE_* line protocol and CSV schema — the integration contract.
session.md Session lifecycle, KV prefix reuse, cancellation.
cache-sizing.md --cache-mb auto, the cache ceiling, and dense warm-up.
prefetch.md --prefetch K: the design and why it cannot change output (with the lossy knobs off).
expert-dropping.md --drop-cold-experts F: spending quality only where it buys a flash read, and why a cache-dependent setting's output is not reproducible.
row-gathered-tables.md --row-stream: serving a dense table the graph only gathers rows from out of flash, and how the engine decides which tables those are without naming one.
cache-aware-substitution.md --expert-substitute L: re-ranking a routing toward the experts already in the cache, the paper it comes from, and why a wide scoring batch cannot price it.
mtp.md --mtp: drafting with the model's own MTP head and verifying a whole group per decode — lossless by construction, and why a wider decode can lose in the streamed regime.
ngram.md --ngram: drafting from text that repeats, with no head and no draft decode — and why a source that abstains costs exactly an unspeculated step.
expert-prediction.md --predict-log: how much of a routing can be known a layer early, measured against the predictor --prefetch already bets on — and why a good score still would not mean a faster decode.
route-ahead.md --route-ahead N: committing the routing to the N-layers-early prediction, so a prefetch of it can never miss — and what that costs in quality (experimental, lossy).
npu-prefill.md --prefill-device: prefill on the NPU and decode on the CPU, a model larger than RAM fed to the NPU two layers at a time, and why decode stays on the CPU.
android-memory.md What reclaims the engine's memory on a phone, which levers exist (almost none), and why the cache hit rate is what the kernel judges you by.
pressure.md Cache policy under memory pressure: why an unaffordable budget starts a reclaim war, why the adaptive governor was retired, and what the fixed --cache-mb / --dense-weights levers do.

Measurements

Doc What it answers
benchmarks.md Measured results per model on Android, with device-pressure numbers.
benchmarks-gpt-oss.md gpt-oss-120b: a 58 GB model at 5.2× device RAM, and what it costs.
benchmark-method.md How to measure this engine on any machine: what each knob does, when to move it, and the rules that keep a matrix honest.
community-benchmarks.md Results on hardware we do not own, the one-command protocol (scripts/bench-report.sh), and how to submit a row.
warmup-analysis.md Why first tokens are slow, and the two regimes behind it.
bench-data/ Raw per-run CSVs and session notes. A dated archive — see its README.

Every benchmark figure in these docs is measured on the hardware named beside it. If you re-measure, update benchmark-method.md and the affected table together.