Non-Deterministic Results on Orange PI

[Alec Mishkin]

Hello,

I am trying to use Reikna on an Orange Pi +. To start I am following the demo_specgram.py example from the examples folder. I had to convert the inputs to float32 so it would run on the Orange Pi +.

When I run the example multiple times I will usually get the same results but sometimes I will get something different. To confirm this I have been printing out the minimum, maximum, and mean of the spectrogram.  

Run 1: Min: 9.5044e-05, Max: 498.726, Mean: 1.512

Run 2: Min:  9.5044e-05, Max: 498.726, Mean: 1.512

Run 3: Min:  -.0006, Max: 498.726, Mean: 1.512

Run 4: Min:  9.5044e-05, Max : 498.726, Mean:  1.512

If I remove the transpose computation and only output self._fft.parameter.cropped_amplitude then I no longer have this issue.

As far as I can tell this only occurs when more than one computation is being called.  

Any help would be greatly appreciated,

Thank you,

Alec