Developer Guide and Reference

  • 2021.2
  • 03/26/2021
  • Public Content
Contents

Potential performance degradations

You might experience performance degradations if you use Lever Zero Runtime for GPU computations.
For more information about Level Zero, refer to Intel® oneAPI DPC++/C++ Compiler Developer Guide and Reference.

How to Fix

Switch back to OpenCL runtime by setting the
SYCL_BE
variable to
PI_OPENCL
:
export SYCL_BE=PI_OPENCL

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.