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Altera_Forum
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14 years ago

Nios II/f performance on Cyclone IV E

Hi, I am trying to evaluate Nios II/f on a dev. board fitted with EP4CE55F23C7. I've ported the Cyclone III Dhrystone example from Altera (Fast Nios II Hardware Design Example) to my board....
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Altera_Forum
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14 years ago

gcc 4.1.2 -O0 gives 0.37 DMIPS/MHz, -O1 0.59, -O2 0.62, -O3 0.664 and -O6 0.665

gcc 3.4.6 -O0 0.41, -O1 0.83, -O2 0.91, -O3/6 1.04

gcc 4.1.2 from nios2-linux-20100621.tar produces similar results as 4.1.2 version

provided with QuartusII v11.