Creating multiple constants

Does creating and using multiple constants (string or numeric, say instead using of two numeric constants, conating same value, at two stantdifferent locations in the same VI, if I use one constant as common) affects anywaym on performance or memory consumption? What if the constant is big array?
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I'm not sure what you're asking here, but each constant on the block diagram clearly requires it's memory space for storage. The more constants you have, the more memory is required. It oughn't affect performance, however, unless you're talking about several hundred megabytes of constant data being passed around.
Besides - is there any alternative? When you need a constant, I can't imagine there's a more efficient manner of providing one than to use one?
Thoric (CLA, CLED, CTD and LabVIEW Champion)

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