Method to_string

src/gopt/impl/global_layout_transform/reformat_manager.cpp:67–98

=================== ReformatManager::ReformatKey ====================*/

// =================== ReformatManager::ReformatKey ====================*/
std::string ReformatManager::ReformatKey::to_string() const {
    auto&& i = tensor_formats_to_named_tensor_shape(input_format);
    auto&& o = tensor_formats_to_named_tensor_shape(output_format);
    std::string input_name, output_name;

#define cb(_name)                          \
    if (input_dtype == DTypeEnum::_name) { \
        input_name = #_name;               \
    } else
    MEGDNN_FOREACH_DTYPE_NAME(cb)
    MEGDNN_FOREACH_PARAMETERIZED_DTYPE(cb) {
        mgb_throw(
                MegBrainError, "invalid input dtype enum(%u)",
                static_cast<uint32_t>(input_dtype));
    }
#undef cb
#define cb(_name)                           \
    if (output_dtype == DTypeEnum::_name) { \
        output_name = #_name;               \
    } else
    MEGDNN_FOREACH_DTYPE_NAME(cb)
    MEGDNN_FOREACH_PARAMETERIZED_DTYPE(cb) {
        mgb_throw(
                MegBrainError, "invalid output dtype enum(%u)",
                static_cast<uint32_t>(output_dtype));
    }
#undef cb
    return ssprintf(
            "%s;%s;%s;%s;%s", i.to_string().c_str(), o.to_string().c_str(),
            std::to_string(static_cast<uint32_t>(attribute)).c_str(),
            input_name.c_str(), output_name.c_str());
}

size_t ReformatManager::ReformatKey::Hash::operator()(const ReformatKey& key) const {
    auto enumhash = mgb::enumhash();