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Altera_Forum
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15 years ago

Urgent: DMA Timing Analysis Result

Hello. Currently I am using DMA to transfer data from SDRAM to SRAM. The size of the data is 10digit (from 0 to 9). the result from performance counter showing DMA is slower than using IOWR. why? is ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

How faster? Are you sure you are measuring time correctly?

You could use some signaltap probes on the SDRAM controller to see what is happening during the transfers.