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Altera_Forum's avatar
Altera_Forum
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11 years ago

Constant / global memory

hi , Does access constant memory is faster than global memory and how fast ? If the access latency is the same , why do we need to use the constant memory ? Thanks.
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Yes, constant memory access is definitely faster than global memory. How much faster, I'm not sure on the number. You can probably perform some tests on that.

The default cache size is 16kB.