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Altera_Forum
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15 years ago

Porting PIO C-code from ARM-7 to Nios II (SE1-board) + performance issue.

Hi all, I'm having a try at the moment to port my C-code from the arm-7 mcu, LPC-P2148 to Nios II, SE1-board , Cyclon-II, EP2C20F484C7. The arm-none-eabi-gcc compiler was used for the ARM-7 ...
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Altera_Forum
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15 years ago

Nios II/e has a MIPS/Mhz ratio from 0.105 to 0.15 depending on the fpga device family. An ARM7 core has a MIPS/Mhz ratio of nearly 1. This is about 7 times the performance a Nios II/e has. Nios II/e does not have a pipeline, this makes the instruction execution of this core slow.