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Altera_Forum
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15 years ago

60% performance loss when using µC/OS-II?

Hi all, my application doesn't work anymore after integrating it into the Webserver template. In trying to find the cause, I'm using the Altera-provided Dhrystone test. When run in a sta...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I took a look at the Dhrystone sample and they recommend:

- 4KB I-cache

- 2KB D-cache

- 64KB onchip memory

- program code and stack mapped to onchip memory.

Even is sdram runs at cpu_clk it will never be as fast as onchip memory because it generally needs multiple cycles to access data.