Array Split vs Combine

[Alex Tweedly]

On 09/03/2021 16:56, Sean Cole (Pi) via use-livecode wrote:
> Hi all,
>
> I have a tsv I split out as an array, process, then combine back to a tsv.
> The tsv is 53MB (55,635,198 bytes) and has 228320 lines with 21 columns
> (55406878 chars).
>
> To load the tsv file : 434ms
> To split the tsv to array : 506ms
> To combine the array to a tsv : 2m 58s 214ms
>
> Why does it take so much longer to combine than split?

No idea. It *doesn't* for me.

I get timings of

367 725 919

(on my aging MacBook Pro)

Alex.

> Link to the file:
> https://www.dropbox.com/s/r6aq3ysbj13o16o/Enhanced-GB.tsv?dl=0
> Test code:
>
> *put* the millisec into tTime1
> *put* url("file:Enhanced-GB.tsv") into tTest
> *put* the millisec into tTime2
> *split* tTest using cr and tab
> *put* the millisec into tTime3
> *combine* tTest using cr and tab
> *put* the millisec into tTime4
> *put* tTime1,tTime2,tTime3,tTime4
>
>
> Sean
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