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Altera_Forum
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14 years ago

Cache Behavior on NIOS-II

Hi everybody, I'm working on a project that needs me to fully understand how many cycles does d-cache/ i-cache needs to fetch the whole cache line. Assuming that the cache line size is 32b...
Altera_Forum's avatar
Altera_Forum
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14 years ago

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These are pipelined reads so as long as the slave/fabric doesn't stall you can expect the read data to return back-to-back after 'x' number of cycles.

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Thank you BadOmen for your reply.

Yes of course the data will start arriving after 'x' cycles and then continue to arrive at the rate of one word per cycle.

My question is will the CPU be able to continue processing the first arrived word of data or it has to stall until the whole line be in the cache.

just to let you know I'm talking about the d-cache.