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Visitor
Visitor
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Registered: ‎12-19-2018

Difference in real execution time and emulation time

A kernel design shows the below statistics:

convo_hw 1352580 ~ 1403196 1613604 1659114 1664220 5.378 ms 5.530 ms 5.547 ms/

@411 MHZ

HW-emulation also shows the similar value.

but running the same kernel in HW reports( vitis analyzer )

DEVICE_UTIL > 0 13.795 Device xilinx_u250_xdma_201830_2-0 was utilized for 13.795 msec./

@300 MHZ

This difference in timing is accounted to the estimated frequency or some other conditions ?

Is it possible to set frequency above 300MHZ in Alveo+vitis.

 

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