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fix: correct gemma-4-31B-it model filename to bf16 in llama-cpp playbook

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The download command and subsequent --model paths referenced
gemma-4-31B-it-f16.gguf, but the file published on Hugging Face
is gemma-4-31B-it-bf16.gguf. Without this fix the hf download
step fails and later steps point to a missing file.
This commit is contained in:
Cory Scott 2026-04-16 13:59:47 -04:00
parent 3ba4d58f1e
commit 09c6bd900a
1 changed files with 4 additions and 4 deletions
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8
nvidia/llama-cpp/README.md
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@ -74,7 +74,7 @@ The following models are supported with llama.cpp on Spark. All listed models ar
## Step 1. Verify prerequisites
This walkthrough uses **Gemma 4 31B IT** (`gemma-4-31B-it-f16.gguf`) as the example checkpoint. You can substitute another GGUF from [`ggml-org/gemma-4-31B-it-GGUF`](https://huggingface.co/ggml-org/gemma-4-31B-it-GGUF) (for example `Q4_K_M` or `Q8_0`) by changing the `hf download` filename and `--model` path in later steps.
This walkthrough uses **Gemma 4 31B IT** (`gemma-4-31B-it-bf16.gguf`) as the example checkpoint. You can substitute another GGUF from [`ggml-org/gemma-4-31B-it-GGUF`](https://huggingface.co/ggml-org/gemma-4-31B-it-GGUF) (for example `Q4_K_M` or `Q8_0`) by changing the `hf download` filename and `--model` path in later steps.
Ensure the required tools are installed:
@ -127,7 +127,7 @@ llama.cpp loads models in **GGUF** format. **gemma-4-31B-it** is available in GG
```bash
hf download ggml-org/gemma-4-31B-it-GGUF \
gemma-4-31B-it-f16.gguf \
gemma-4-31B-it-bf16.gguf \
--local-dir ~/models/gemma-4-31B-it-GGUF
```
@ -139,7 +139,7 @@ From your `llama.cpp/build` directory, launch the OpenAI-compatible server with
```bash
./bin/llama-server \
--model ~/models/gemma-4-31B-it-GGUF/gemma-4-31B-it-f16.gguf \
--model ~/models/gemma-4-31B-it-GGUF/gemma-4-31B-it-bf16.gguf \
--host 0.0.0.0 \
--port 30000 \
--n-gpu-layers 99 \
@ -195,7 +195,7 @@ Example shape of the response (fields vary by llama.cpp version; `message` may i
}
],
"created": 1765916539,
"model": "gemma-4-31B-it-f16.gguf",
"model": "gemma-4-31B-it-bf16.gguf",
"object": "chat.completion",
"usage": {
"completion_tokens": 100,