Method free

imperative/src/impl/interpreter/interpreter_impl.cpp:668–683

}

void ChannelImpl::free(TensorInfo* ptr) {
    auto& state = get_worker_state();
    if (state.options.enable_dtr_auto_drop) {
        // Evicting a tensor, rather than freeing it, can avoid pinning
        // potentially exploding amounts of memory and allow us to save
        // more memory.
        ptr->allow_delete = true;
        if (!ptr->ref_cnt) {
            recursive_free(ptr);
        } else {
            do_drop(ptr);
        }
    } else {
        real_free(ptr);
    }
}

void ChannelImpl::recursive_free(TensorInfo* ptr) {
    MGB_RECORD_EVENT(TensorCommandEvent, ptr->id, TensorCommandKind::RecFree);