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Altera_Forum
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12 years ago

HPS2FPGA bridge throughput

Hi everybody, I am currently playing around with the Cyclone V SoC Development board. I have a QSys system running resembling the Golden system reference design apart from the fact that the h...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I'm not a linux expert but I think memcopy does not utilize DMA or bursts or something similar. From my experience with NIOS and memcpy I saw that all the data was byte-oriented. So if you have 64-Bit Bus-Interface, memcpy does not "know" about it and copy just one byte after another.