On Nov 4, 2006, at 2:35 AM, Mark Smith wrote:
This mirrors what I found, too. I'm at a loss as to why this might
be. I guess the conclusion has to be that if speed matters in a
particular application, then we must test things in context, and
find out which approach works best in context.
I ran some test with the same or similar 'if' and 'switch' and it
seems to depend on the nature of L.
L switch if
random number 449ms 210ms
random numeral 391ms 518ms
random letter 204ms 266ms
The random number is 'random(6)'.
The random numeral is 'random(6)&empty'.
The random letter is 'numToChar( 64+random(6) )' and the switch/if
cases adjusted to "A" to "F". And the caseSensitive was set to true
outside the loop.
It looks like switch is faster for strings.
That looked suspicious. Sure enough, a number 6 will match a literal
6 in a case, but a string "6.0" will not match a literal 6 in a
case. A string "6.0" will match a 6.0 case. A number 6 will not
match a 6.0 in the case.
A switch can only do a string match!
Dar
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