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Is POCL supported? Do you know why Level Zero doesn't support the CPU device on an ARM platform? What is the recommended approach to debugging this?
ubuntu@ubuntu:~/PRK/Cxx11$ SYCL_BE=PI_OPENCL ./nstream-sycl-usm 10 1000000
Parallel Research Kernels version 2020
C++11/SYCL STREAM triad: A = B + scalar * C
Number of iterations = 10
Vector length = 1000000
Offset = 0
SYCL Device: SYCL host device
SYCL Platform: SYCL host platform
Solution validates
32B Rate (MB/s): 2187.72 Avg time (s): 0.00731354
Solution validates
64B Rate (MB/s): 2498.54 Avg time (s): 0.0128075
SYCL Device: pthread-cortex-a72
SYCL Platform: Portable Computing Language
OpenCL API failed. OpenCL API returns: -34 (CL_INVALID_CONTEXT) -34 (CL_INVALID_CONTEXT)
OpenCL API failed. OpenCL API returns: -34 (CL_INVALID_CONTEXT) -34 (CL_INVALID_CONTEXT) -34 (CL_INVALID_CONTEXT)
No device of requested type available. -1 (CL_DEVICE_NOT_FOUND)
ubuntu@ubuntu:~/PRK/Cxx11$ SYCL_BE=PI_LEVEL0 ./nstream-sycl-usm 10 1000000
Parallel Research Kernels version 2020
C++11/SYCL STREAM triad: A = B + scalar * C
Number of iterations = 10
Vector length = 1000000
Offset = 0
SYCL Device: SYCL host device
SYCL Platform: SYCL host platform
Solution validates
32B Rate (MB/s): 1962.54 Avg time (s): 0.0081527
Solution validates
64B Rate (MB/s): 2397.35 Avg time (s): 0.0133481
No device of requested type available. -1 (CL_DEVICE_NOT_FOUND)
No device of requested type available. -1 (CL_DEVICE_NOT_FOUND)