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45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
#ifndef LLMODEL_H
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#define LLMODEL_H
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#include <string>
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#include <functional>
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#include <vector>
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class LLModel {
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public:
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explicit LLModel() {}
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virtual ~LLModel() {}
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virtual bool loadModel(const std::string &modelPath) = 0;
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virtual bool loadModel(const std::string &modelPath, std::istream &fin) = 0;
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virtual bool isModelLoaded() const = 0;
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struct PromptContext {
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std::vector<float> logits; // logits of current context
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std::vector<int32_t> tokens; // current tokens in the context window
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int32_t n_past = 0; // number of tokens in past conversation
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int32_t n_ctx = 0; // number of tokens possible in context window
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int32_t n_predict = 200;
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int32_t top_k = 40;
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float top_p = 0.9f;
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float temp = 0.9f;
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int32_t n_batch = 9;
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float repeat_penalty = 1.10f;
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int32_t repeat_last_n = 64; // last n tokens to penalize
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float contextErase = 0.75f; // percent of context to erase if we exceed the context
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// window
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};
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virtual void prompt(const std::string &prompt,
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std::function<bool(int32_t)> promptCallback,
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std::function<bool(int32_t, const std::string&)> responseCallback,
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std::function<bool(bool)> recalculateCallback,
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PromptContext &ctx) = 0;
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virtual void setThreadCount(int32_t n_threads) {}
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virtual int32_t threadCount() { return 1; }
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protected:
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virtual void recalculateContext(PromptContext &promptCtx,
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std::function<bool(bool)> recalculate) = 0;
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};
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#endif // LLMODEL_H
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