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metadata
library_name: llama.cpp
license: mit
base_model: ornith-ai/Ornith-1.0-35B
tags:
  - rocmfpx
  - gfx1151
  - strix-halo
  - qwen35moe
  - moe
  - rocm
  - amdgpu
  - ROCmFP4
pipeline_tag: image-text-to-text
language:
  - en
  - multilingual
version: '1.0'
date: 2026-08-11T00:00:00.000Z
quantized_by: pugant

Ornith-1.0-35B β€” ROCmFP4-STRIX_LEAN (Strix Halo / gfx1151)

Version 1.0 β€” 2026-08-11

TL;DR

Ornith-1.0-35B (35B params, 3B active per token, Qwen3.5-VL-MoE family) quantized to Q4_0_ROCMFP4_STRIX_LEAN (type 106 preset, ~4.29 BPW). Tuned for AMD Strix Halo (gfx1151 / RDNA 3.5) with the charlie12345/ROCmFPX fork of llama.cpp. Runs the full vision + text multimodal model in ~17.3 GiB.

⚠️ Critical warnings β€” read before downloading

  • Requires charlie12345/ROCmFPX fork of llama.cpp (built via the kyuz0/amd-strix-halo-toolboxes container). The type 106 (Q4_0_ROCMFP4_STRIX_LEAN) tensor format is INVALID in stock llama.cpp β€” it will refuse to load. See Usage below.
  • Profiled for gfx1151 only (Strix Halo / Ryzen AI Max+ 395, RDNA 3.5). Not tested on other GPUs.
  • FP4 here is software on RDNA 3.5 (no FP4 silicon units): the win is bandwidth / memory, not raw compute throughput. The Strix Halo ceiling on this MoE is bandwidth-bound, which is exactly where FP4 helps.

Benchmarks

Tested on Strix Halo (AMD Ryzen AI Max+ 395, 128 GB LPDDR5X). Methodology: llama-bench -ngl 999 -fa on -p 512 -n 128 -mmap 0. All benchmarks for this model were run in ROCm containers (HIP backend). Since then we also benchmarked ROCmFPX quants on the Vulkan (RADV) build of the fork β€” see the comparison table in Qwen3.6-35B-A3B-MTP-Q6_0_ROCMFPX; those numbers are on a different backend and not directly comparable.

Model Quant Size tg128 (tok/s) pp512 (tok/s)
Ornith-1.0-35B ROCmFP4-STRIX_LEAN 17.32 GiB 66.68 1486
grug-35b-v2 (sibling) ROCmFP4-STRIX_LEAN 17.31 GiB 70.92 1418
Qwen3.6-35B-A3B (production ref) ROCmFP4-STRIX_LEAN 17.31 GiB 63 β€”

vs production reference: +5.9% tok/s vs Qwen3.6-35B-A3B (66.68 vs 63), at the same 17.3 GiB footprint. See the sibling grug quant for a +12% variant (same arch family, grug fine-tune).

System configuration at bench time

Declared for reproducibility:

  • Bare metal host: Bosgame BeyondMax Series (bosgame-m5), Ubuntu 24.04.4 LTS, kernel 7.0.0-28-generic
  • CPU power profile: balanced (powerprofilesctl get) β€” default, NOT forced to performance. Representative of an out-of-the-box setup.
  • CPU scaling driver: amd-pstate-epp, scaling_governor performance (amd-pstate-epp default), EPP performance
  • IOMMU / iGPU power: auto (no manual tuning)

Note: tok/s above were measured on a non-tuned system (power profile balanced). Users who set powerprofilesctl set performance may see slightly higher numbers.

Quantization details

Preset Q4_0_ROCMFP4_STRIX_LEAN (GGUF file_type 106, ~4.29 bits/weight):

  • Attention K/V (blk.*.attn_qkv.weight, blk.*.attn_v.weight) β†’ q4_0_rocmfp4 (high-precision path for attention state)
  • Token embeddings (token_embd.weight) β†’ Q5_K (preserve vocab fidelity)
  • Expert FFN (blk.*.ffn_*_exps.weight) β†’ q4_0_rocmfp4_fast (max speed path; the bulk of MoE weights)
  • Other tensors β†’ F32 / Q4_0_ROCMFP4_FAST as appropriate

Reference fork: charlie12345/ROCmFPX commit 00d5452.

imatrix methodology

Precomputed by unsloth (46 chunks), redistributed here as imatrix.dat with explicit attribution. The original is at unsloth/Ornith-1.0-35B-GGUF (MIT).

Files

File Size Description
Ornith-1.0-35B-ROCmFP4-STRIX_LEAN.gguf ~17.32 GiB Main model (type 106)
mmproj-F16.gguf ~857 MB Vision projector (F16)
imatrix.dat ~183 MB Importance matrix (precomputed by unsloth; for re-quantization)

Usage

# Requires the kyuz0 Strix Halo toolbox (which builds charlie12345/ROCmFPX)
docker run --rm -p 1234:1234 --device /dev/kfd --device /dev/dri \
  -v /path/to/models:/models rocmfpx-llm-service \
  llama-server \
    -m /models/Ornith-1.0-35B-ROCmFP4-STRIX_LEAN.gguf \
    --mmproj /models/mmproj-F16.gguf \
    -ngl 999 -fa on --jinja -c 32768 --host 0.0.0.0 --port 1234

Notes:

  • MTP not enabled at runtime. The source model includes mtp_num_hidden_layers=1 (MTP weights are present as blk.40.*), but this quant is aligned with the plain-inference MoE pipeline (no --spec-type draft-mtp). MTP weights remain in the file (~1–2 GiB extra) should a future runtime activate them.
  • The --mmproj flag is required for the vision tower (multimodal). Without it, text-only still works.

How to replicate

Textual pipeline only (no published scripts):

  1. Build the docker-llm-service-convert image from kyuz0/amd-strix-halo-toolboxes + charlie12345/ROCmFPX (commit 00d5452 or later main HEAD β€” must contain MODEL_ARCH.QWEN35MOE).
  2. Download the BF16 GGUF (2 shards) from unsloth/Ornith-1.0-35B-GGUF.
  3. Quantize with the included imatrix.dat: llama-quantize --imatrix imatrix.dat <bf16>.gguf <out>.gguf Q4_0_ROCMFP4_STRIX_LEAN 16.

Attribution & model tree

Qwen3.5-VL-MoE (base architecture)
    └── ornith-ai/Ornith-1.0-35B (MIT)
            └── this GGUF (ROCmFP4-STRIX_LEAN)

License

MIT (inherited from ornith-ai/Ornith-1.0-35B and unsloth/Ornith-1.0-35B-GGUF). Derivative work: original model and its license are preserved. See LICENSE and NOTICE.

Acknowledgements

Built on the shoulders of giants:

Limitations & community feedback

  • Speed benchmark only. No perplexity / MMLU / quality eval is included in this release. The MoE structure is preserved bit-for-bit from the BF16 source except for the quantized tensor formats above; quality is expected to track standard Q4_K_M-class with the ROCmFP4 attention/K-V choices, but this is not measured here.
  • Profiled for gfx1151 only. Not tested on other GPUs (no Navi 3 / Navi 4 / data-center MI series numbers β€” feel free to share yours).
  • MTP present in weights but not activated at runtime (plain inference).

We invite the community β€” especially fellow Strix Halo owners β€” to test and share quality results. Open a Discussion on this repo.

Citation

@misc{ornith102026,
  title  = {Ornith-1.0-35B},
  author = {DeepReinforce Team},
  year   = {2026},
  url    = {https://deep-reinforce.com/ornith_1_0.html}
}

Disclaimer

No affiliation with AMD, Qwen, DeepReinforce, unsloth, kyuz0, or charlie12345. Provided as-is, without warranty. Users must comply with the base model license (MIT).