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Altera_Forum's avatar
Altera_Forum
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21 years ago

why software's speed is so slowly run on nios II

hi! I write a software programm run on the nios II ,but the speed is slowly when it is running on the nios II. I use the singalTap catch the singal to analyse the speed ,I found when I add a equa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

100 cycles sounds fine to me. If you do a checksum in hardware it will be 'n' cycles, with 'n' being the width. Like James said before data cache can play a big role in the calculation time. I recommend you take a look at the Nios II documentation since the cycle time of each instruction is listed in the hardware documentation.