C++ (Cpp) command_queue::enqueue_svm_memcpy示例

示例#1

文件： copy_to_host.hpp 项目： OHDSI/RcppBoostCompute

inline HostIterator copy_to_host(svm_ptr<T> first,
                                 svm_ptr<T> last,
                                 HostIterator result,
                                 command_queue &queue)
{
    size_t count = iterator_range_size(first, last);
    if(count == 0){
        return result;
    }

    queue.enqueue_svm_memcpy(
        ::boost::addressof(*result), first.get(), count * sizeof(T)
    );

    return result + count;
}

示例#2

文件： copy_on_device.hpp 项目： junmuz/compute

inline svm_ptr<T> copy_on_device(svm_ptr<T> first,
                                 svm_ptr<T> last,
                                 svm_ptr<T> result,
                                 command_queue &queue)
{
    size_t count = iterator_range_size(first, last);
    if(count == 0){
        return result;
    }

    queue.enqueue_svm_memcpy(
        result.get(), first.get(), count * sizeof(T)
    );

    return result + count;
}

示例#3

文件： copy_to_device.hpp 项目： boostorg/compute

inline svm_ptr<T> copy_to_device(HostIterator first,
                                 HostIterator last,
                                 svm_ptr<T> result,
                                 command_queue &queue,
                                 const wait_list &events)
{
    size_t count = iterator_range_size(first, last);
    if(count == 0){
        return result;
    }

    queue.enqueue_svm_memcpy(
        result.get(), ::boost::addressof(*first), count * sizeof(T), events
    );

    return result + count;
}