ps/base/parameters.h
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | #include "base/flatc.h" | ||
| 3 | |||
| 4 | #pragma pack(push, 1) | ||
| 5 | struct ParameterCompressItem { | ||
| 6 | uint64_t key; | ||
| 7 | int dim; | ||
| 8 | |||
| 9 | static int GetSize(int dim) { | ||
| 10 | return sizeof(ParameterCompressItem) + dim * sizeof(float); | ||
| 11 | } | ||
| 12 | 2 | const float* data() const { return embedding; } | |
| 13 | |||
| 14 | int byte_size() const { | ||
| 15 | return sizeof(ParameterCompressItem) + dim * sizeof(float); | ||
| 16 | } | ||
| 17 | float embedding[0]; // this must be the tail | ||
| 18 | }; | ||
| 19 | #pragma pack(pop) | ||
| 20 | |||
| 21 | template <> | ||
| 22 | struct Pack<ParameterCompressItem> { | ||
| 23 | static constexpr const bool implemented = true; | ||
| 24 | uint64_t key = 0; | ||
| 25 | int dim = 0; | ||
| 26 | const float* emb_data = nullptr; | ||
| 27 | Pack<ParameterCompressItem>() = default; | ||
| 28 | 20 | Pack<ParameterCompressItem>(uint64_t key, int dim, const float* emb_data) | |
| 29 | 20 | : key(key), dim(dim), emb_data(emb_data) {} | |
| 30 | void CompressAppend(std::string* output) const; | ||
| 31 | }; | ||
| 32 | |||
| 33 | using ParameterPack = Pack<ParameterCompressItem>; | ||
| 34 | using ParameterCompressor = FlatItemCompressor<ParameterCompressItem>; | ||
| 35 | using ParameterCompressReader = FlatItemCompressReader<ParameterCompressItem>; | ||
| 36 |