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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

Thanks.

Therefore access constant memory is faster ( > 1x ) than global memory ?

Or is there any detail number ?

If I didn't use --const-cache-bytes <N> , the default max allocation is 1G (use helloworld to show the infomation) ?

Thanks