Optimized PCL Limitation and Troubleshooting¶
Limitation¶
This optimized PCL release does not support acceleration for CPU device for
13th and 14th generation of Intel® Core™ processors, known as codename ‘Raptor Lake’.
12th generation of Intel® Atom® processors, known as codename ‘Alder Lake-N’.
Troubleshooting¶
If the executable produces a segmentation fault (core dumped) when running with a GPU device or
if the GPU device is not listed in sycl-ls like below
source /opt/intel/oneapi/setvars.sh
sycl-ls
[opencl:0] ACC : Intel(R) FPGA Emulation Platform for OpenCL(TM) 1.2 [2021.13.11.0.23_160000]
[opencl:0] CPU : Intel(R) OpenCL 3.0 [2021.13.11.0.23_160000]
[opencl:0] GPU : Intel(R) OpenCL HD Graphics 3.0 [22.17.23034]
[level_zero:0] GPU : Intel(R) Level-Zero 1.3 [1.3.23034]
[host:0] HOST: SYCL host platform 1.2 [1.2]
There are two possibilities. The Intel® processor does not have integrated GPU or the user does not have the correct group permissions to access to GPU device. Add the user to the render group.
#replace userName with the actual user of your system
sudo usermod -a -G render <userName>