Fabio
c36510c21e
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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <filesystem>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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namespace engine::io {
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struct SafeTensorInfo {
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std::string name;
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std::string dtype;
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std::vector<int64_t> shape;
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size_t data_begin = 0;
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size_t data_end = 0;
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};
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struct SafeTensorIndex {
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std::filesystem::path source_path;
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std::unordered_map<std::string, std::string> metadata;
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std::unordered_map<std::string, SafeTensorInfo> tensors;
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size_t header_bytes = 0;
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};
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struct SafeTensorWriteEntry {
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std::string name;
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std::string dtype;
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std::vector<int64_t> shape;
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std::vector<unsigned char> data;
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};
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SafeTensorIndex load_safetensors_index(const std::filesystem::path & path);
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// The bytes of a safetensors file; metadata becomes the string map `__metadata__`.
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std::vector<unsigned char> encode_safetensors(
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const std::vector<SafeTensorWriteEntry> & entries,
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const std::vector<std::pair<std::string, std::string>> & metadata = {});
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void write_safetensors_file(
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const std::filesystem::path & path,
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const std::vector<SafeTensorWriteEntry> & entries);
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} // namespace engine::io
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