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Antje WorringandClaude Opus 4.7 d5a723e0c4 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: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-29 12:58:46 -07:00

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NOTICE

zen5 is a fork of antirez/ds4 ("DwarfStar 4"), released under the MIT License. All upstream copyright notices in LICENSE and source headers are retained unchanged.

Upstream lineage

zen5  ←  antirez/ds4  ←  ggml-org/llama.cpp (GGUF formats, kernel ideas)

ds4.c and friends © 2026 The ds4.c authors (MIT).
GGML quant layouts, CPU dot kernels, and select adapted pieces © 2023–2026 The ggml authors (MIT). See LICENSE.

Tracking upstream

git remote -v          # upstream → https://github.com/antirez/ds4
git fetch upstream
git merge upstream/main   # or rebase, depending on policy

The remote is named upstream (not origin) so that a git push to a future zenlm origin cannot accidentally publish back to antirez's repository.

What changed in zen5 vs ds4

Project rebrand: README, NOTICE, binary aliases (zen5, zen5-server, zen5-bench alongside ds4*).
README-UPSTREAM.md preserves the upstream README verbatim.
LICENSE is unchanged.
Source files (ds4*.c, ds4*.h, ds4*.m, ds4*.cu, Metal shaders) are unchanged, so upstream pulls apply cleanly.

Anything beyond renames/branding lives behind a clear commit message so it is auditable against upstream main.

Reporting issues

Engine bugs that are not zen5-specific: report upstream at https://github.com/antirez/ds4/issues — that helps everyone.
zenlm-specific integrations, GGUF variants, or rebrand issues: report in the zenlm repo for this fork.