Hi CASPER,
I was wondering if anyone had encountered difficulties in compiling larger
CASPER FFTs for Ultrascale+ HBM devices?
I have found I can compile the CASPER FFTs fine for Ultrascale+ devices,
but HBM devices seem to object ("Cannot target DSP48 on this device,
virtexuplusHBM").
As far as I know DSP48E2 should be backward compatible with DSP48E1 (and
certainly as other Ultrascale+ devices will compile, this seems to be true).
The only thing I've been able to find specifically relating to HBM devices
is that the number you can cascade may be different due to the difference
in SLRs with the HBM interface (UG579).
Is this just Simulink needing an update (I've tried Vivado 2019.1.1 and
2019.2, both with Matlab 2019a), do we finally need to explicitly change
the DSP48's in the toolflow to be E2 for devices like this, or is there
something more fundamental I'm missing?
Thanks,
Jonathon
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