Visible to Intel only — GUID: GUID-991D7B0F-35FF-49CC-A0D2-A09CB5B0C79B
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DPCT1100
Message
Detailed Help
Suggestions to Fix
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Visible to Intel only — GUID: GUID-991D7B0F-35FF-49CC-A0D2-A09CB5B0C79B
DPCT1100
Message
Currently the DFT external workspace feature in the Intel® oneAPI Math Kernel Library (oneMKL) is only supported on GPU devices. Use the internal workspace if your code should run on non-GPU devices.
Detailed Help
The FFT of Intel® oneAPI Math Kernel Library can use either an internal workspace or external workspace during computation. The internal workspace mode is supported on all devices, while the external workspace mode is currently only supported on GPU devices.
Suggestions to Fix
If you are running code on a non-GPU device, you can:
Use dpct::select_device(<device_id>) to choose a GPU device.
Call dpct::fft::fft_engine::use_internal_workspace(true) before invoking dpct::fft::fft_engine::commit().