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Altera_Forum's avatar
Altera_Forum
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14 years ago

Nios program runs slower when loaded from EPCS flash

Hi, I have written some Nios software that requires real-time operation. i.e. It must execute fast enough to run indefinitely without bottlenecks. When I run the program from the Nios Eclipse...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I don't know if it's possible to profile from the flash, but I know that you can enable a special option in SignalTap to have it wait for a trigger straight from configuration, so that you can get the data afterwards through Jtag. It may help you find out what's going on. If you have some LEDs on your board, it can also be a good idea to control them from different points in your application to find out where it freezes.