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Altera_Forum
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15 years ago

Question about PCIe speed

I have been working on the chaining DMA example project for PCIe provided by Altera. I am a bit confused about what performance I should expect though. When sending 16.384 GBytes of data f...
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Altera_Forum
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14 years ago

OK I think I finally got it.

As the documentation clearly says, there are two descriptor tables, not one. I got confused because the driver I was basing my work on was creating only one descriptor table in RC memory, and using it for both DMA reads and DMA writes, I didn't realize I could just instantiate a second one.