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# llama.cpp/example/server
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# llama.cpp/example/server
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This example allow you to have a llama.cpp http server to interact from a web page or consume the API.
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This example demonstrates a simple HTTP API server to interact with llama.cpp.
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Command line options:
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Command line options:
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- `--threads N`, `-t N`: use N threads.
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- `--threads N`, `-t N`: Set the number of threads to use during computation.
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- `-m FNAME`, `--model FNAME`: Specify the path to the LLaMA model file (e.g., `models/7B/ggml-model.bin`).
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- `-m FNAME`, `--model FNAME`: Specify the path to the LLaMA model file (e.g., `models/7B/ggml-model.bin`).
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- `-m ALIAS`, `--alias ALIAS`: Set an alias for the model. The alias will be returned in API responses.
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- `-c N`, `--ctx-size N`: Set the size of the prompt context. The default is 512, but LLaMA models were built with a context of 2048, which will provide better results for longer input/inference.
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- `-c N`, `--ctx-size N`: Set the size of the prompt context. The default is 512, but LLaMA models were built with a context of 2048, which will provide better results for longer input/inference.
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- `-ngl N`, `--n-gpu-layers N`: When compiled with appropriate support (currently CLBlast or cuBLAS), this option allows offloading some layers to the GPU for computation. Generally results in increased performance.
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- `-ngl N`, `--n-gpu-layers N`: When compiled with appropriate support (currently CLBlast or cuBLAS), this option allows offloading some layers to the GPU for computation. Generally results in increased performance.
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- `--host`: Set the hostname or ip address to listen. Default `127.0.0.1`;
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- `-b N`, `--batch-size N`: Set the batch size for prompt processing. Default: `512`.
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- `--memory-f32`: Use 32-bit floats instead of 16-bit floats for memory key+value. Not recommended.
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- `--mlock`: Lock the model in memory, preventing it from being swapped out when memory-mapped.
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- `--no-mmap`: Do not memory-map the model. By default, models are mapped into memory, which allows the system to load only the necessary parts of the model as needed.
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- `--lora FNAME`: Apply a LoRA (Low-Rank Adaptation) adapter to the model (implies --no-mmap). This allows you to adapt the pretrained model to specific tasks or domains.
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- `--lora-base FNAME`: Optional model to use as a base for the layers modified by the LoRA adapter. This flag is used in conjunction with the `--lora` flag, and specifies the base model for the adaptation.
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- `-to N`, `--timeout N`: Server read/write timeout in seconds. Default `600`.
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- `--host`: Set the hostname or ip address to listen. Default `127.0.0.1`.
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- `--port`: Set the port to listen. Default: `8080`.
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- `--port`: Set the port to listen. Default: `8080`.
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## Quick Start
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## Quick Start
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## API Endpoints
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## API Endpoints
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You can interact with this API Endpoints.
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- **POST** `/completion`: Given a prompt, it returns the predicted completion.
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This implementations just support chat style interaction.
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- **POST** `hostname:port/completion`: Setting up the Llama Context to begin the completions tasks.
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*Options:*
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*Options:*
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`prompt`: Provide a prompt. Internally, the prompt is compared, and it detects if a part has already been evaluated, and the remaining part will be evaluate.
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`prompt`: Provide a prompt. Internally, the prompt is compared, and it detects if a part has already been evaluated, and the remaining part will be evaluate.
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`stop`: Specify the strings that indicate a stop.
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`stop`: Specify the strings that indicate a stop.
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These words will not be included in the completion, so make sure to add them to the prompt for the next iteration.
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These words will not be included in the completion, so make sure to add them to the prompt for the next iteration (default: []).
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Default: `[]`
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- **POST** `hostname:port/tokenize`: Tokenize a given text
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`tfs_z`: Enable tail free sampling with parameter z (default: 1.0, 1.0 = disabled).
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`typical_p`: Enable locally typical sampling with parameter p (default: 1.0, 1.0 = disabled).
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`repeat_penalty`: Control the repetition of token sequences in the generated text (default: 1.1).
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`repeat_last_n`: Last n tokens to consider for penalizing repetition (default: 64, 0 = disabled, -1 = ctx-size).
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`penalize_nl`: Penalize newline tokens when applying the repeat penalty (default: true).
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`presence_penalty`: Repeat alpha presence penalty (default: 0.0, 0.0 = disabled).
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`frequency_penalty`: Repeat alpha frequency penalty (default: 0.0, 0.0 = disabled);
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`mirostat`: Enable Mirostat sampling, controlling perplexity during text generation (default: 0, 0 = disabled, 1 = Mirostat, 2 = Mirostat 2.0).
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`mirostat_tau`: Set the Mirostat target entropy, parameter tau (default: 5.0).
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`mirostat_eta`: Set the Mirostat learning rate, parameter eta (default: 0.1).
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`seed`: Set the random number generator (RNG) seed (default: -1, < 0 = random seed).
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`ignore_eos`: Ignore end of stream token and continue generating (default: false).
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`logit_bias`: Modify the likelihood of a token appearing in the generated text completion. For example, use `logit-bias: [[15043,1]]` to increase the likelihood of the token 'Hello', or `logit-bias: [[15043,-1]]` to decrease its likelihood. Setting the value to false, `logit-bias: [[15043,false]]` ensures that the token `Hello` is never produced (default: []).
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- **POST** `/tokenize`: Tokenize a given text.
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*Options:*
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*Options:*
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