Function shouldUseSparseConvolution

tools/converter/source/common/AddSparseInfo.cpp:21–24

    return {1.f, 0.6f, 0.5f, 0.4f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f, 0.3f};
}
static bool inline shouldUseSparseConvolution(float sparsity, int sparseBlockOC) {
    std::vector<float> thresholds = getSparsityThreshold();
    return sparsity > thresholds[std::min(std::max(sparseBlockOC, 0), (int)thresholds.size() - 1)];
}
void AddSparseInfo(std::unique_ptr<MNN::OpT>& op, Compression::Pipeline proto) {
    auto prune_algo_type = MNN::SparseAlgo_RANDOM;
    int sparseBlockOC = 1;