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zen5-engine/LLM.md
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zooqueenandHanzo Dev 865bb2c41d zen5: rebrand antirez/ds4 fork for the Zen LLM family 
Rebrand-only changes; upstream sources (ds4.c, ds4_metal.m, ds4_cuda.cu,
etc.) are unchanged so upstream pulls apply cleanly.

- README.md: zen5 product framing, full attribution to antirez/ds4
  and ggml-org/llama.cpp lineage.
- README-UPSTREAM.md: preserves the upstream README verbatim.
- NOTICE.md: explicit fork policy and upstream tracking instructions.
- LLM.md: repo-level navigation per ~/work/CLAUDE.md convention.
- CLAUDE.md: symlink to LLM.md.
- Makefile: adds zen5 / zen5-server / zen5-bench symlink aliases
  alongside the upstream ds4 names so both work.
- .gitignore: includes zen5-* binaries.

LICENSE is unchanged; ds4.c authors and ggml authors copyrights preserved.

Co-authored-by: Hanzo Dev <[email protected]>
2026-05-29 12:58:46 -07:00

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zen5 — engine fork of antirez/ds4

Path: /Users/a/work/zen/zen5 Purpose: zenlm-branded inference engine for the zen5 model line. Fork of antirez/ds4 (DwarfStar 4 — DeepSeek V4 Flash native engine).

State

  • MIT-licensed fork. Upstream copyrights preserved in LICENSE and NOTICE.md.
  • Git remote: upstream → antirez/ds4 (no origin yet — set when the zenlm fork repo exists).
  • Build: make on macOS Metal produces ds4, ds4-server, ds4-bench plus zen5* symlinks.
  • Model weights are NOT in this repo. Use ./download_model.sh q2-imatrix to fetch ~81 GB of GGUF into ./gguf/.

Quick orient

File What it is
README.md zen5-branded readme
README-UPSTREAM.md original antirez/ds4 README, verbatim
NOTICE.md attribution, fork policy, how to track upstream
LICENSE MIT — ds4.c authors + ggml authors (unchanged)
Makefile Metal / CUDA / CPU builds
ds4.c (800 KB) core inference loop
ds4_metal.m (640 KB) Metal backend
ds4_cuda.cu (465 KB) CUDA backend
ds4_server.c (550 KB) OpenAI/Anthropic/Responses HTTP server
ds4_cli.c (52 KB) interactive CLI with linenoise
gguf-tools/ offline GGUF gen, imatrix collection, quality testing
dir-steering/ activation-direction steering data
speed-bench/ benchmark CSVs and plots
tests/test-vectors/ official DeepSeek V4 Flash continuation vectors

Sibling context

  • ~/work/zen/LLM.md — zen ecosystem index.
  • ~/work/zen/models/ — model weight directories (zen4, zen4-nano, etc.).
  • Future zenlm origin for this fork: TBD (likely zenlm/zen5).
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