IO operations

VTensor supports reading and writing tensors from/to host memory using raw pointer, std::vector or xt::xarray.

From host to device

#include <lib/vtensor.hpp>

int main() {
    std::vector<float> vector{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
    auto tensor = vt::astensor(vector);
    auto tensor1 = vt::astensor(vector.data(), vector.size());

    auto arr = xt::xarray<float>{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
    auto tensor2 = vt::astensor<float, 1>(arr);
    return 0;
}

From device to host

#include <lib/vtensor.hpp>

int main() {
    auto tensor = vt::arange(12);
    auto vector = vt::asvector(tensor);
    auto array = vt::asxarray(tensor);
    return 0;
}

Save/Load from disk

VTensor employs xtensor::xnpy for disk-based save and load operations.

#include <lib/vtensor.hpp>

int main() {
    auto tensor = vt::arange(12);
    vt::save("test.npy", tensor);
    auto tensor1 = vt::load<float, 1>("test.npy");
    return 0;
}