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Altera_Forum's avatar
Altera_Forum
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13 years ago

tightly-coupled memory performance !!

I wanted to compare the performance between cache and tightly-coupled memory. So I did the following experiment: tic call the function() toc tic call the same function() toc I no...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I would look at the assembled code (objdump file) to see what the compiler is doing. I'm guessing all the register preserving operations for the first call are not being duplicated for the second call and as a result the second call is faster. This would have nothing to do with tightly coupled memory, it's just a code optimization.