Recipe
gpt-oss-20b-q8-0-radeon-ai-pro-r9700-32gb-llama-cpp-tp3
gpt-oss-20b-q8-0-radeon-ai-pro-r9700-32gb-llama-cpp-tp3Observed LocalMaxxing leaderboard run. Evidence for compatibility, not an executable launch contract.
Record
- Status
- candidate
- Source
- localmaxxing
- Engine
- llama.cpp
- Engine version
- b9947-14-gef8291cc2
- Accelerators
- 3
- Tensor parallel
- 3
- Context tokens
- 845
- Max concurrency
- 48
- chat
- unknown
- reasoning
- unknown
- tools
- unknown
- vision
- unknown
Hugging Face model card
Identity
https://huggingface.co/openai/gpt-oss-20b- Repository
- openai/gpt-oss-20b
- Status
- known
- Link type
- Exact Hub repository
Public Hugging Face repository confirmed by the Hub API.
Candidate: useful compatibility or speed evidence. The registry does not offer Run until promotion requirements are met.
Observed configuration
llama.cpp
Evidence only · candidate · reference
Candidate evidence — not a Run contract
Source command could not be tokenized faithfully. The original string stays in metadata. This does not satisfy promotion.
Measured speed
| Concurrency | Context | Prefill | Decode | TTFT ms | Status | Sweep |
|---|---|---|---|---|---|---|
| 48 | 845 | 182.2 | 856.3 | 3,016.5 | observed | gpt-oss-20b-q8-0-radeon-ai-pro-r9700-32gb-llama-cpp-tp3-sweep |
Remaining fields
Identity, launch, related records, and measured speed are shown above. This is the rest of the normalized record.
- hardware count
- 3
- hardware id
- radeon-ai-pro-r9700-32gb
- id
- gpt-oss-20b-q8-0-radeon-ai-pro-r9700-32gb-llama-cpp-tp3
- model instance id
- openai-gpt-oss-20b--q8-0
- recipe source
- localmaxxing
- schema version
- local-ai-registry/v1
- speed sweep ids
- gpt-oss-20b-q8-0-radeon-ai-pro-r9700-32gb-llama-cpp-tp3-sweep
- status
- candidate
capabilities
engine
- name
- llama.cpp
- version
- b9947-14-gef8291cc2
serving
- max concurrency
- 48
- max context tokens
- 845
- tensor parallel
- 3
Provenance & metadata (3)
facts
- capabilities.chat · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.chat · reason capability-not-verified
capabilities.chat · state unknown
- capabilities.reasoning · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.reasoning · reason capability-not-verified
capabilities.reasoning · state unknown
- capabilities.tools · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.tools · reason capability-not-verified
capabilities.tools · state unknown
- capabilities.vision · provenance · captured at
- 2026-08-30T09:10:02Z
capabilities.vision · reason capability-not-verified
capabilities.vision · state unknown
- engine.graph mode · provenance · captured at
- 2026-08-30T09:10:02Z
engine.graph mode · reason runtime-detail-not-published
engine.graph mode · state unknown
- serving.kv cache tokens · provenance · captured at
- 2026-08-30T09:10:02Z
serving.kv cache tokens · reason kv-cache-capacity-not-published
serving.kv cache tokens · state unknown
metadata
- localmaxxing · backend
- vulkan
- localmaxxing · hardware label
- Radeon AI Pro R9700
- localmaxxing · notes
- 3 independent llama-server replicas, one per GPU (GGML_VK_VISIBLE_DEVICES pinning), client round-robin. Aggregate tok/s across replicas, median of 3 rounds, cold prefill (cache_prompt off). Replicate-over-fewest-cards layout.
- localmaxxing · observed command
- 3x: GGML_VK_VISIBLE_DEVICES=$i llama-server --port 910$((1+i)) -ngl 99 --jinja --flash-attn auto --prio 3 -m gpt-oss-20b-Q8_0.gguf -ctk f16 -ctv f16 -np 16 -c 131072
- localmaxxing · run id
- cmro8aut3026plg017ff5vard
- localmaxxing · tokenized · fidelity
- lossy
provenance
- captured at
- 2026-08-30T09:10:02Z
sources
| captured at | kind | url |
|---|---|---|
| 2026-08-30T09:10:02Z | normalized-recipe | www.localmaxxing.com/en/runs/cmro8aut3026plg017ff5vard ↗ |