Filtering array vs plain list

[Shari]

I think I found the tests/discussions you are referring to. 
"Extracting a column" circa Dec 10, 2007.

Where Richard did a comparison speed test between "split" versus 
"repeat for each".

Interesting!


>What you are doing looks fine.
>
>The speed depends on a few factors, which Richard Gaskin very carefully
>studied about month or two ago.   His analysis was thorough and correct, and
>his suggestions were right on the mark for optimizing the performance of the
>filter command.
>
>Filter works faster if the patterns are simple and operate on the left most
>data.  Shorter lines = faster processing.
>
>
>(suggestion:  never use a variable name that is also reserved word in the
>computer language you are using, in this case Rev.)
>thus don't use  {  a   item   word  filter  image   btn  fld   }
>use "aaa" "bbb" "ccc" "itemm"  "wordd" "fldd" "nonreserved"
>
>
>
>Jim Ault
>Las Vegas


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