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Felipe97/llama-cpp-compiled

sourceHugging Faceupdated 4d agoView on Hugging Face
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llama-mmap.h80 linesDownload Raw Back to src
1#pragma once2 3#include <cstdint>4#include <memory>5#include <utility>6#include <vector>7#include <cstdio>8 9struct llama_file;10struct llama_mmap;11struct llama_mlock;12 13using llama_files  = std::vector<std::unique_ptr<llama_file>>;14using llama_mmaps  = std::vector<std::unique_ptr<llama_mmap>>;15using llama_mlocks = std::vector<std::unique_ptr<llama_mlock>>;16 17struct llama_file {18    llama_file(const char * fname, const char * mode, bool use_direct_io = false);19    llama_file(FILE * file);20    ~llama_file();21 22    size_t tell() const;23    size_t size() const;24 25    int file_id() const; // fileno overload26 27    void seek(size_t offset, int whence) const;28 29    void read_raw(void * ptr, size_t len);30    void read_raw_unsafe(void * ptr, size_t len);31    void read_aligned_chunk(void * dest, size_t size);32    uint32_t read_u32();33 34    void write_raw(const void * ptr, size_t len) const;35    void write_u32(uint32_t val) const;36 37    size_t read_alignment() const;38    bool has_direct_io() const;39private:40    struct impl;41    std::unique_ptr<impl> pimpl;42};43 44struct llama_mmap {45    // list of [first, last) byte ranges within a file46    using ranges = std::vector<std::pair<size_t, size_t>>;47 48    llama_mmap(const llama_mmap &) = delete;49    llama_mmap(struct llama_file * file, size_t prefetch = (size_t) -1, bool numa = false,50               const ranges & lazy_ranges = {});51    ~llama_mmap();52 53    size_t size() const;54    void * addr() const;55 56    void unmap_fragment(size_t first, size_t last);57 58    static const bool SUPPORTED;59 60private:61    struct impl;62    std::unique_ptr<impl> pimpl;63};64 65struct llama_mlock {66    llama_mlock();67    ~llama_mlock();68 69    void init(void * ptr);70    void grow_to(size_t target_size);71 72    static const bool SUPPORTED;73 74private:75    struct impl;76    std::unique_ptr<impl> pimpl;77};78 79size_t llama_path_max();80