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Altera_Forum
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13 years ago

Bandwidth Calculation of PCIe data Transfer for arria II speed -x1

Hi, i want to know what is the bandwidth of PCIe data transfer for ARRIA II GX FPGA Board with the Chained DMA Example provided by Altera.When testing with the GUI(which has Jungo drivers for PCIe...
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Altera_Forum
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13 years ago

The attainable throughput depends a lot on the size of the PCIe requests.

Unless the request comes from some DMA engine that is adequately tied to the PCIe interface throughput will be very bad.

I'm not sure the typical x86 PC has anything that can generate reasonable length PCIe requests.