Tested Standard C++ APIs

Intel® oneAPI DPC++ Library Developer Guide and Reference

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ID 768913

Date 3/31/2025

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Tested Standard C++ APIs

The basic functionality for several C++ standard APIs has been tested for use in SYCL* kernels. These APIs can be employed in device kernels similarly to how they are employed in code for a typical CPU-based platform. The Tested Standard C++ APIs are added to the namespace oneapi::dpl. The corresponding headers have been added in the Intel® oneAPI DPC++ Library (oneDPL) package. In order to use these APIs via the namespace oneapi::dpl, the headers in <oneapi/dpl/...> must be included. Currently, Tested Standard C++ APIs can be used in two ways:

Via the namespace std:: and standard headers (for example: <utility>...)
Via the namespace oneapi::dpl and oneDPL headers (for example: <oneapi/dpl/utility>...)

Below is an example code that shows how to use oneapi::dpl::swap in SYCL device code:

#include <oneapi/dpl/utility>
#include <sycl/sycl.hpp>
#include <iostream>
#include <cstdint>
int main()
{
    sycl::queue queue;
    constexpr std::uint32_t size = 2;
    std::uint32_t data[size] = {4, 5};
    std::cout << "Initial data: " << data[0] << ", " << data[1] << std::endl;
    sycl::buffer<std::uint32_t> buffer(data, size);
    queue.submit([&](sycl::handler& cgh) {
        auto access = buffer.get_access(cgh, sycl::read_write);
        cgh.single_task<class KernelSwap>([=]() {
            oneapi::dpl::swap(access[0], access[1]);
        });
    }).wait();
    auto host_access = buffer.get_host_access(sycl::read_only);
    std::cout << "After swap: " << host_access[0] << ", " << host_access[1] << std::endl;
    return 0;
}

Use the following command to build and run the program (assuming it resides in the kernel_swap.cpp file):

icpx -fsycl kernel_swap.cpp -o kernel_swap && ./kernel_swap

The printed result is:

Initial data: 4, 5
After swap: 5, 4

Tested Standard C++ API Reference

C++ Standard API	libstdc++	libc++	MSVC
`std::swap`	Tested	Tested	Tested
`std::lower_bound`	Tested	Tested	Tested
`std::upper_bound`	Tested	Tested	Tested
`std::binary_search`	Tested	Tested	Tested
`std::equal_range`	Tested	Tested	Tested
`std::tuple`	Tested	Tested	Tested
`std::pair`	Tested	Tested	Tested
`std::reference_wrapper`	Tested	Tested	Tested
`std::ref/cref`	Tested	Tested	Tested
`std::divides`	Tested	Tested	Tested
`std::minus`	Tested	Tested	Tested
`std::plus`	Tested	Tested	Tested
`std::negate`	Tested	Tested	Tested
`std::modulus`	Tested	Tested	Tested
`std::multiplies`	Tested	Tested	Tested
`std::equal_to`	Tested	Tested	Tested
`std::greater`	Tested	Tested	Tested
`std::greater_equal`	Tested	Tested	Tested
`std::less`	Tested	Tested	Tested
`std::less_equal`	Tested	Tested	Tested
`std::not_equal_to`	Tested	Tested	Tested
`std::bit_and`	Tested	Tested	Tested
`std::bit_not`	Tested	Tested	Tested
`std::bit_xor`	Tested	Tested	Tested
`std::bit_or`	Tested	Tested	Tested
`std::logical_and`	Tested	Tested	Tested
`std::logical_or`	Tested	Tested	Tested
`std::logical_not`	Tested	Tested	Tested
`std::binary_negate`	Tested	Tested	Tested
`std::unary_negate`	Tested	Tested	Tested
`std::not1/2`	Tested	Tested	Tested
`std::initializer_list`	Tested	Tested	Tested
`std::forward`	Tested	Tested	Tested
`std::move`	Tested	Tested	Tested
`std::move_if_noexcept`	Tested	Tested	Tested
`std::integral_constant`	Tested	Tested	Tested
`std::is_same`	Tested	Tested	Tested
`std::is_base_of`	Tested	Tested	Tested
`std::is_base_of_union`	Tested	Tested	Tested
`std::is_convertible`	Tested	Tested	Tested
`std::extent`	Tested	Tested	Tested
`std::rank`	Tested	Tested	Tested
`std::remove_all_extents`	Tested	Tested	Tested
`std::remove_extent`	Tested	Tested	Tested
`std::add_const`	Tested	Tested	Tested
`std::add_cv`	Tested	Tested	Tested
`std::add_volatile`	Tested	Tested	Tested
`std::remove_const`	Tested	Tested	Tested
`std::remove_cv`	Tested	Tested	Tested
`std::remove_volatile`	Tested	Tested	Tested
`std::decay`	Tested	Tested	Tested
`std::conditional`	Tested	Tested	Tested
`std::enable_if`	Tested	Tested	Tested
`std::common_type`	Tested	Tested	Tested
`std::declval`	Tested	Tested	Tested
`std::alignment_of`	Tested	Tested	Tested
`std::is_arithmetic`	Tested	Tested	Tested
`std::is_fundamental`	Tested	Tested	Tested
`std::is_reference`	Tested	Tested	Tested
`std::is_object`	Tested	Tested	Tested
`std::is_scalar`	Tested	Tested	Tested
`std::is_compound`	Tested	Tested	Tested
`std::is_member_pointer`	Tested	Tested	Tested
`std::is_const`	Tested	Tested	Tested
`std::is_assignable`	Tested	Tested	Tested
`std::is_constructible`	Tested	Tested	Tested
`std::is_copy_assignable`	Tested	Tested	Tested
`std::is_copy_constructible`	Tested	Tested	Tested
`std::is_default_constructible`	Tested	Tested	Tested
`std::is_destructible`	Tested	Tested	Tested
`std::is_empty`	Tested	Tested	Tested
`std::is_literal_type`	Tested	Tested	Tested
`std::is_move_assignable`	Tested	Tested	Tested
`std::is_move_constructible`	Tested	Tested	Tested
`std::is_pod`	Tested	Tested	Tested
`std::is_signed`	Tested	Tested	Tested
`std::is_standard_layout`	Tested	Tested	Tested
`std::is_trivial`	Tested	Tested	Tested
`std::is_unsigned`	Tested	Tested	Tested
`std::is_volatile`	Tested	Tested	Tested
`std::is_trivially_assignable`	Tested	Tested	Tested
`std::is_trivially_constructible`	Tested	Tested	Tested
`std::is_trivially_copyable`	Tested	Tested	Tested
`std::array`	Tested	Tested	Tested
`std::ratio`	Tested	Tested	Tested
`std::complex`	Tested	Tested	Tested
`std::abs`	Tested	Tested	Tested
`std::arg`	Tested	Tested	Tested
`std::conj`	Tested	Tested	Tested
`std::exp`	Tested	Tested	Tested
`std::imag`	Tested	Tested	Tested
`std::norm`	Tested	Tested	Tested
`std::polar`	Tested	Tested	Tested
`std::proj`	Tested	Tested	Tested
`std::real`	Tested	Tested	Tested
`std::assert`	Tested	Tested	Tested
`std::sin`	Tested	Tested	Tested
`std::cos`	Tested	Tested	Tested
`std::tan`	Tested	Tested	Tested
`std::asin`	Tested	Tested	Tested
`std::acos`	Tested	Tested	Tested
`std::atan`	Tested	Tested	Tested
`std::atan2`	Tested	Tested	Tested
`std::sinh`	Tested	Tested	Tested
`std::cosh`	Tested	Tested	Tested
`std::tanh`	Tested	Tested	Tested
`std::asinh`	Tested	Tested	Tested
`std::acosh`	Tested	Tested	Tested
`std::atanh`	Tested	Tested	Tested
`std::exp`	Tested	Tested	Tested
`std::frexp`	Tested	Tested	Tested
`std::ldexp`	Tested	Tested	Tested
`std::log`	Tested	Tested	Tested
`std::log10`	Tested	Tested	Tested
`std::modf`	Tested	Tested	Tested
`std::exp2`	Tested	Tested	Tested
`std::expm1`	Tested	Tested	Tested
`std::ilogb`	Tested	Tested	Tested
`std::log1p`	Tested	Tested	Tested
`std::log2`	Tested	Tested	Tested
`std::logb`	Tested	Tested	Tested
`std::pow`	Tested	Tested	Tested
`std::sqrt`	Tested	Tested	Tested
`std::cbrt`	Tested	Tested	Tested
`std::hypot`	Tested	Tested	Tested
`std::erf`	Tested	Tested	Tested
`std::erfc`	Tested	Tested	Tested
`std::tgamma`	Tested	Tested	Tested
`std::lgamma`	Tested	Tested	Tested
`std::fmod`	Tested	Tested	Tested
`std::remainder`	Tested	Tested	Tested
`std::remquo`	Tested	Tested	Tested
`std::nextafter`	Tested	Tested	Tested
`std::nearbyint`	Tested	Tested	Tested
`std::nearbyintf`	Tested	Tested	Tested
`std::fdim`	Tested	Tested	Tested
`std::optional`	Tested	Tested	Tested
`std::reduce`	Tested	Tested	Tested
`std::all_of`	Tested	Tested	Tested
`std::any_of`	Tested	Tested	Tested
`std::none_of`	Tested	Tested	Tested
`std::count`	Tested	Tested	Tested
`std::count_if`	Tested	Tested	Tested
`std::for_each`	Tested	Tested	Tested
`std::find`	Tested	Tested	Tested
`std::find_if`	Tested	Tested	Tested
`std::find_if_not`	Tested	Tested	Tested
`std::for_each_n`	Tested	Tested	Tested
`std::ceil`	Tested	Tested	Tested
`std::copy`	Tested	Tested	Tested
`std::copy_backward`	Tested	Tested	Tested
`std::copy_if`	Tested	Tested	Tested
`std::copy_n`	Tested	Tested	Tested
`std::copysign`	Tested	Tested	Tested
`std::copysignf`	Tested	Tested	Tested
`std::fabs`	Tested	Tested	Tested
`std::is_permutation`	Tested	Tested	Tested
`std::fill`	Tested	Tested	Tested
`std::fill_n`	Tested	Tested	Tested
`std::floor`	Tested	Tested	Tested
`std::fmax`	Tested	Tested	Tested
`std::fmaxf`	Tested	Tested	Tested
`std::fmin`	Tested	Tested	Tested
`std::fminf`	Tested	Tested	Tested
`std::move`	Tested	Tested	Tested
`std::move_backward`	Tested	Tested	Tested
`std::is_sorted`	Tested	Tested	Tested
`std::is_sorted_until`	Tested	Tested	Tested
`std::isgreater`	Tested	Tested	Tested
`std::isgreaterequal`	Tested	Tested	Tested
`std::isinf`	Tested	Tested	Tested
`std::isless`	Tested	Tested	Tested
`std::islessequal`	Tested	Tested	Tested
`std::isnan`	Tested	Tested	Tested
`std::isunordered`	Tested	Tested	Tested
`std::partial_sort`	Tested	Tested	Tested
`std::partial_sort_copy`	Tested	Tested	Tested
`std::is_heap`	Tested	Tested	Tested
`std::is_heap_until`	Tested	Tested	Tested
`std::make_heap`	Tested	Tested	Tested
`std::max`	Tested	Tested	Tested
`std::min`	Tested	Tested	Tested
`std::nan`	Tested	Tested	Tested
`std::nanf`	Tested	Tested	Tested
`std::numeric_limits<T>::infinity`	Tested	Tested	Tested
`std::numeric_limits<T>::lowest`	Tested	Tested	Tested
`std::numeric_limits<T>::max`	Tested	Tested	Tested
`std::numeric_limits<T>::quiet_NaN`	Tested	Tested	Tested
`std::push_heap`	Tested	Tested	Tested
`std::pop_heap`	Tested	Tested	Tested
`std::generate`	Tested	Tested	Tested
`std::generate_n`	Tested	Tested	Tested
`std::transform`	Tested	Tested	Tested
`std::round`	Tested	Tested	Tested
`std::roundf`	Tested	Tested	Tested
`std::trunc`	Tested	Tested	Tested
`std::truncf`	Tested	Tested	Tested

These tests were done for the following versions of the standard C++ library:

libstdc++ (GNU)	Provided with GCC* 8.4.0, GCC 9.3.0, GCC 11.4.0, GCC 13.2.0
libc++ (LLVM)	Provided with Clang* 11.0, Clang 14.0, Clang 17.0, Clang 18.1
Microsoft Visual C++* (MSVC) Standard Library	Provided with Microsoft Visual Studio 2019 and Microsoft Visual Studio 2022.

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