mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2024-12-22 05:57:48 +00:00
154 lines
5.1 KiB
C
154 lines
5.1 KiB
C
|
#ifndef LLAMA_H
|
||
|
#define LLAMA_H
|
||
|
|
||
|
#include <stddef.h>
|
||
|
#include <stdint.h>
|
||
|
#include <stdbool.h>
|
||
|
|
||
|
#ifdef LLAMA_SHARED
|
||
|
# ifdef _WIN32
|
||
|
# ifdef LLAMA_BUILD
|
||
|
# define LLAMA_API __declspec(dllexport)
|
||
|
# else
|
||
|
# define LLAMA_API __declspec(dllimport)
|
||
|
# endif
|
||
|
# else
|
||
|
# define LLAMA_API __attribute__ ((visibility ("default")))
|
||
|
# endif
|
||
|
#else
|
||
|
# define LLAMA_API
|
||
|
#endif
|
||
|
|
||
|
#define LLAMA_FILE_VERSION 1
|
||
|
#define LLAMA_FILE_MAGIC 0x67676d66 // 'ggmf' in hex
|
||
|
#define LLAMA_FILE_MAGIC_UNVERSIONED 0x67676d6c // pre-versioned files
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
extern "C" {
|
||
|
#endif
|
||
|
|
||
|
//
|
||
|
// C interface
|
||
|
//
|
||
|
// TODO: show sample usage
|
||
|
//
|
||
|
|
||
|
struct llama_context;
|
||
|
|
||
|
typedef int llama_token;
|
||
|
|
||
|
typedef struct llama_token_data {
|
||
|
llama_token id; // token id
|
||
|
|
||
|
float p; // probability of the token
|
||
|
float plog; // log probability of the token
|
||
|
|
||
|
} llama_token_data;
|
||
|
|
||
|
typedef void (*llama_progress_callback)(double progress, void *ctx);
|
||
|
|
||
|
struct llama_context_params {
|
||
|
int n_ctx; // text context
|
||
|
int n_parts; // -1 for default
|
||
|
int seed; // RNG seed, 0 for random
|
||
|
|
||
|
bool f16_kv; // use fp16 for KV cache
|
||
|
bool logits_all; // the llama_eval() call computes all logits, not just the last one
|
||
|
bool vocab_only; // only load the vocabulary, no weights
|
||
|
bool use_mlock; // force system to keep model in RAM
|
||
|
bool embedding; // embedding mode only
|
||
|
|
||
|
// called with a progress value between 0 and 1, pass NULL to disable
|
||
|
llama_progress_callback progress_callback;
|
||
|
// context pointer passed to the progress callback
|
||
|
void * progress_callback_user_data;
|
||
|
};
|
||
|
|
||
|
LLAMA_API struct llama_context_params llama_context_default_params();
|
||
|
|
||
|
// Various functions for loading a ggml llama model.
|
||
|
// Allocate (almost) all memory needed for the model.
|
||
|
// Return NULL on failure
|
||
|
LLAMA_API struct llama_context * llama_init_from_file(
|
||
|
const char * path_model,
|
||
|
struct llama_context_params params);
|
||
|
|
||
|
// Frees all allocated memory
|
||
|
LLAMA_API void llama_free(struct llama_context * ctx);
|
||
|
|
||
|
// TODO: not great API - very likely to change
|
||
|
// Returns 0 on success
|
||
|
LLAMA_API int llama_model_quantize(
|
||
|
const char * fname_inp,
|
||
|
const char * fname_out,
|
||
|
int itype,
|
||
|
int qk);
|
||
|
|
||
|
// Run the llama inference to obtain the logits and probabilities for the next token.
|
||
|
// tokens + n_tokens is the provided batch of new tokens to process
|
||
|
// n_past is the number of tokens to use from previous eval calls
|
||
|
// Returns 0 on success
|
||
|
LLAMA_API int llama_eval(
|
||
|
struct llama_context * ctx,
|
||
|
const llama_token * tokens,
|
||
|
int n_tokens,
|
||
|
int n_past,
|
||
|
int n_threads);
|
||
|
|
||
|
// Convert the provided text into tokens.
|
||
|
// The tokens pointer must be large enough to hold the resulting tokens.
|
||
|
// Returns the number of tokens on success, no more than n_max_tokens
|
||
|
// Returns a negative number on failure - the number of tokens that would have been returned
|
||
|
// TODO: not sure if correct
|
||
|
LLAMA_API int llama_tokenize(
|
||
|
struct llama_context * ctx,
|
||
|
const char * text,
|
||
|
llama_token * tokens,
|
||
|
int n_max_tokens,
|
||
|
bool add_bos);
|
||
|
|
||
|
LLAMA_API int llama_n_vocab(struct llama_context * ctx);
|
||
|
LLAMA_API int llama_n_ctx (struct llama_context * ctx);
|
||
|
LLAMA_API int llama_n_embd (struct llama_context * ctx);
|
||
|
|
||
|
// Token logits obtained from the last call to llama_eval()
|
||
|
// The logits for the last token are stored in the last row
|
||
|
// Can be mutated in order to change the probabilities of the next token
|
||
|
// Rows: n_tokens
|
||
|
// Cols: n_vocab
|
||
|
LLAMA_API float * llama_get_logits(struct llama_context * ctx);
|
||
|
|
||
|
// Get the embeddings for the input
|
||
|
// shape: [n_embd] (1-dimensional)
|
||
|
LLAMA_API float * llama_get_embeddings(struct llama_context * ctx);
|
||
|
|
||
|
// Token Id -> String. Uses the vocabulary in the provided context
|
||
|
LLAMA_API const char * llama_token_to_str(struct llama_context * ctx, llama_token token);
|
||
|
|
||
|
// Special tokens
|
||
|
LLAMA_API llama_token llama_token_bos();
|
||
|
LLAMA_API llama_token llama_token_eos();
|
||
|
|
||
|
// TODO: improve the last_n_tokens interface ?
|
||
|
LLAMA_API llama_token llama_sample_top_p_top_k(
|
||
|
struct llama_context * ctx,
|
||
|
const llama_token * last_n_tokens_data,
|
||
|
int last_n_tokens_size,
|
||
|
int top_k,
|
||
|
double top_p,
|
||
|
double temp,
|
||
|
double repeat_penalty);
|
||
|
|
||
|
// Performance information
|
||
|
LLAMA_API void llama_print_timings(struct llama_context * ctx);
|
||
|
LLAMA_API void llama_reset_timings(struct llama_context * ctx);
|
||
|
|
||
|
// Print system information
|
||
|
LLAMA_API const char * llama_print_system_info(void);
|
||
|
|
||
|
#ifdef __cplusplus
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#endif
|