| # cvector-generator |
|
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| This example demonstrates how to generate a control vector using gguf models. |
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| Related PRs: |
| - [Add support for control vectors](https://github.com/ggml-org/llama.cpp/pull/5970) |
| - (Issue) [Generate control vector using llama.cpp](https://github.com/ggml-org/llama.cpp/issues/6880) |
| - [Add cvector-generator example](https://github.com/ggml-org/llama.cpp/pull/7514) |
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| ## Examples |
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|
| ```sh |
| # CPU only |
| ./cvector-generator -m ./llama-3.Q4_K_M.gguf |
| |
| # With GPU |
| ./cvector-generator -m ./llama-3.Q4_K_M.gguf -ngl 99 |
| |
| # With advanced options |
| ./cvector-generator -m ./llama-3.Q4_K_M.gguf -ngl 99 --pca-iter 2000 --pca-batch 100 |
| |
| # Using mean value instead of PCA |
| ./cvector-generator -m ./llama-3.Q4_K_M.gguf --method mean |
| |
| # To see help message |
| ./cvector-generator -h |
| # Then, have a look at "cvector" section |
| ``` |
|
|
| ## Tips and tricks |
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| If you have multiple lines per prompt, you can escape the newline character (change it to `\n`). For example: |
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| ``` |
| <|im_start|>system\nAct like a person who is extremely happy.<|im_end|> |
| <|im_start|>system\nYou are in a very good mood today<|im_end|> |
| ``` |
|
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| Example to use output file with `llama-cli`: |
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| (Tips: The control vector works better when apply to layers higher than 10) |
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|
| ```sh |
| ./llama-cli -m ./llama-3.Q4_K_M.gguf -p "<|start_header_id|>system<|end_header_id|>\n\nYou are a helpful assistant<|eot_id|><|start_header_id|>user<|end_header_id|>\n\nSing a song<|im_end|><|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n" --special --control-vector-scaled ./control_vector.gguf 0.8 --control-vector-layer-range 10 31 |
| ``` |
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|
