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Altera_Forum's avatar
Altera_Forum
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15 years ago

Achieving higher performance?

Hello i want to make my design as fast as possible to run uCLinux, my software is running at 40ms and should run at 8ms. I am using a linux with MMU, 50mhz clock, 32k Data and instruction Cache...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

How can i compile with -O2 or -O3 using MMU Linux DSL?

And i have a sdram on my design (DE2-70 board) and it's running at 100mhz while my NIOS is at 50mhz.

If i try to raise my NIOS clock i get either failed to verify, 00ps kernel not syncing or when i type nios-2terminal nothing shows error.

I also tried to add a float point unit at Qsys and enable hardware divide but it didnt made a big difference.

My code do mainly float point operations and some i/o