SYCL example keeps crashing

JeroenBoschma — Thu, 05 Feb 2026 21:52:25 GMT

After evenings of attempts, I hope someone can tell me what is wrong with my setup. The CMake files are a stripped version of a much larger project I work on, and where I wanted to integrate SYCL in. The SYCL code in this post is a simple example from the Khronos website.

Yesterday I reinstalled the newest OneAPI development kit. I just post all my files here, to be sure I do not forget an important clue. Files may have some 'legacy' contents from the larger project.

My CMakePresets.json:

{ "version": 2, "cmakeMinimumRequired": { "major": 3, "minor": 25, "patch": 0 }, "configurePresets": [ { "name": "windows-default", "displayName": "Windows x64 Release", "description": "Sets Ninja generator, compilers, x64 architecture, build and install directory", "generator": "Ninja", "binaryDir": "${sourceDir}/build/${presetName}", "architecture": { "value": "x64", "strategy": "external" }, "cacheVariables": { "CMAKE_BUILD_TYPE": "Debug", "CMAKE_BUILD_PARALLEL_LEVEL": "10", "CMAKE_C_COMPILER": "C:/Program Files (x86)/Intel/oneAPI/compiler/latest/bin/icx.exe", "CMAKE_CXX_COMPILER": "C:/Program Files (x86)/Intel/oneAPI/compiler/latest/bin/icx.exe" }, "environment": { "PATH": "C:/Program Files (x86)/Intel/oneAPI/compiler/latest/bin;$penv{PATH}", "INCLUDE": "C:/Program Files (x86)/Intel/oneAPI/compiler/latest/include;$penv{INCLUDE}", "LIB": "C:/Program Files (x86)/Intel/oneAPI/compiler/latest/lib;$penv{LIB}" }, "vendor": { "microsoft.com/VisualStudioSettings/CMake/1.0": { "hostOS": [ "Windows" ] } } } ] }

My top-level CMakeLists file (which now only includes the test-executable to build):

cmake_minimum_required(VERSION 3.25.0) project(GUI LANGUAGES C CXX) set(CMAKE_CXX_STANDARD 20) if (CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM") find_package(IntelSYCL REQUIRED) endif() add_compile_definitions("CMAKE_SOURCE_ROOT=${CMAKE_SOURCE_DIR}") set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}) add_subdirectory(gui) add_library(compiler_options INTERFACE) if (CMAKE_BUILD_TYPE MATCHES Debug) target_compile_options(compiler_options INTERFACE $<$<CXX_COMPILER_ID:IntelLLVM>: -Wall -Wextra -g -Od -Wno-format-security > ) else() target_compile_options(compiler_options INTERFACE $<$<CXX_COMPILER_ID:IntelLLVM>: -Wall -Wextra -O3 -Wno-format-security > ) endif() add_link_options($<$<CXX_COMPILER_ID:IntelLLVM>:-fuse-ld=lld>) set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)

My application CMakeLists:

add_executable( gui gui.cpp ) add_sycl_to_target( TARGET gui SOURCES gui.cpp ) target_include_directories(gui PUBLIC ${CMAKE_SOURCE_DIR}) target_include_directories(gui PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}) find_package(OpenGL REQUIRED) target_link_libraries( gui PRIVATE compiler_options OpenGL::GL ) add_link_options($<$<CXX_COMPILER_ID:IntelLLVM>:-fsycl>)

And finally the SYCL code:

#include <sycl/sycl.hpp> #include <iostream> int main() { auto platforms = sycl::platform::get_platforms(); for (auto& platform : platforms) { std::cout << "Platform: " << platform.get_info<sycl::info::platform::name>() << std::endl; auto devices = platform.get_devices(); for (auto& device : devices) { std::cout << " Device: " << device.get_info<sycl::info::device::name>() << std::endl; } } return -1; }

Crashing occurs directly on the first SYCL call, but I have also seen it crashing in the second for-loop.

I edit, compile and run from the Visual Studio 2022 IDE.

What may be a clue: I get hundreds of warnings from the OneAPI header files themselves:

C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\ext\oneapi\filter_selector.hpp(37,46): warning : 'device_selector' is deprecated: Use SYCL 2020 callable device selectors instead. [-Wdeprecated-declarations] 37 | class __SYCL_EXPORT filter_selector : public device_selector { | ^ C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\device_selector.hpp(38,21): note: 'device_selector' has been explicitly marked deprecated here 38 | class __SYCL_EXPORT __SYCL2020_DEPRECATED( | ^ C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\detail\defines_elementary.hpp(62,40): note: expanded from macro '__SYCL2020_DEPRECATED' 62 | #define __SYCL2020_DEPRECATED(message) __SYCL_DEPRECATED(message) | ^ C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\detail\defines_elementary.hpp(53,38): note: expanded from macro '__SYCL_DEPRECATED' 53 | #define __SYCL_DEPRECATED(message) [[deprecated(message)]] | ^ In file included from C:\Users\boschmajj\OneDrive - TNO\SYCL\gui\gui.cpp:1: In file included from C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\sycl.hpp:49: In file included from C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\detail\core.hpp:21: C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\accessor.hpp(1786,12): warning : 'atomic<unsigned int, sycl::access::address_space::global_space>' is deprecated: sycl::atomic is deprecated since SYCL 2020 [-Wdeprecated-declarations] 1786 | return atomic<DataT, AS>(multi_ptr<DataT, AS, access::decorated::yes>( | ^ C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\stream.hpp(538,21): note: in instantiation of function template specialization 'sycl::accessor<unsigned int, 1, sycl::access::mode::atomic, sycl::access::target::device>::operator[]<1>' requested here 538 | Cur = GlobalOffset[0].load(); | ^ C:\Program Files (x86)\Intel\oneAPI\compiler\latest\include\sycl\atomic.hpp(173,7): note: 'atomic<unsigned int, sycl::access::address_space::global_space>' has been explicitly marked deprecated here 173 | class __SYCL2020_DEPRECATED(

Re: SYCL example keeps crashing

mattewwade06 — Mon, 09 Feb 2026 15:40:37 GMT

That sounds frustrating! One thing that sometimes helps with SYCL examples crashing is making sure your runtime and drivers are up to date and then trying a clean rebuild. If it still fails, narrowing down which part of the code triggers the crash can give clues on what’s going wrong. Hope you get it sorted soon!

Re: SYCL example keeps crashing

JeroenBoschma — Thu, 12 Feb 2026 08:23:51 GMT

Frustrating is putting it mildly.. I decided to go back to an Intel basic example (base-vector-add): apart from CMake nagging that a deprecated CMake command was used (why is it then there, please update the example Intel) and after adding C++17 which apparently also was missing (why?) it compiles. But Visual Studio 2022 does not let me choose it as a startup item and running it directly outside VS does nothing more than a flash of a black terminal.... These simple examples should work out of the box. I am getting close to the decision dropping SYCL completely and start to learn CUDA.

Re: SYCL example keeps crashing

JeroenBoschma — Thu, 12 Feb 2026 21:40:41 GMT

Sorry for the additional reply, I'm not allowed to edit posts. But you're probably right it is a driver issue. I work on a laptop with Intel Iris, and although Windows is convinced I have the correct/newest driver, disabling the Iris in the device manager makes the example run. At least I have a clue now where to look....

Re: SYCL example keeps crashing

yzh_intel — Tue, 17 Feb 2026 21:21:58 GMT

hi, can the sycl-ls command show the backends correctly? The compilation warnings shouldn't be a problem, but do you see any runtime errors when it crashes?

Re: SYCL example keeps crashing

JeroenBoschma — Sat, 21 Feb 2026 14:04:44 GMT

The backends did not show correctly with scyl-ls, but in the end it turns out to be my misstake by not looking into drivers. I had some simple SYCL try-out code running weeks ago, then updated SYCL and after that it did not run anymore. It did not cross my mind that updating SYCL a bit (I saw sycl7.dll changing into sycl8.dll) could mean that the GPU driver I had was not accepted anymore. After installing newer ones, SYCL code functioned again. Did cost me almost 2 weeks of evenings trying to find out what was going on, good lesson....

So there's not really something here to accept as a solution, other then to stress that drivers should be the first to look at (as mattewwade06 also mentioned).

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SYCL example keeps crashing

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