Method Save

catboost/libs/model/ctr_value_table.cpp:15–48

void TCtrValueTable::Save(IOutputStream* s) const {
    using namespace flatbuffers;
    using namespace NCatBoostFbs;
    TModelPartsCachingSerializer serializer;
    if (std::holds_alternative<TSolidTable>(Impl)) {
        auto& solid = std::get<TSolidTable>(Impl);
        auto indexHashOffset = serializer.FlatbufBuilder.CreateVector((const ui8*) solid.IndexBuckets.data(),
                                                sizeof(NCatboost::TBucket) * solid.IndexBuckets.size());
        auto ctrBlob = serializer.FlatbufBuilder.CreateVector(solid.CTRBlob);
        auto ctrValueTable = CreateTCtrValueTable(
            serializer.FlatbufBuilder,
            serializer.GetOffset(ModelCtrBase),
            indexHashOffset,
            ctrBlob,
            CounterDenominator,
            TargetClassesCount);
        serializer.FlatbufBuilder.Finish(ctrValueTable);
    } else {
        auto& thin = std::get<TThinTable>(Impl);
        auto indexHashOffset = serializer.FlatbufBuilder.CreateVector((const ui8*) thin.IndexBuckets.data(),
                                                sizeof(NCatboost::TBucket) * thin.IndexBuckets.size());
        auto ctrBlob = serializer.FlatbufBuilder.CreateVector(thin.CTRBlob.data(), thin.CTRBlob.size());
        auto ctrValueTable = CreateTCtrValueTable(
            serializer.FlatbufBuilder,
            serializer.GetOffset(ModelCtrBase),
            indexHashOffset,
            ctrBlob,
            CounterDenominator,
            TargetClassesCount);
        serializer.FlatbufBuilder.Finish(ctrValueTable);
    }
    SaveSize(s, serializer.FlatbufBuilder.GetSize());
    s->Write(serializer.FlatbufBuilder.GetBufferPointer(), serializer.FlatbufBuilder.GetSize());
}

void TCtrValueTable::Load(IInputStream* s) {
    const ui32 size = LoadSize(s);