Alex:
In my code, the offending statement is:
put byte 1 to tLength of tbrushBinaryData into byte tNewStart * 4 - 3 to
tNewStart*4 - 3 + tLength -1 of imgdata -- insert brushimageData into image
imageData
Is there anything you can see in this line, relevant to the speedup
modification you have?
Bill
> Thing is, I wasn't trying to benchmark strings, I was trying to benchmark
> byte operations :-)
>
> I thought that by using "byte X to Y of ..." that I was using "just" bytes,
> not strings - and therefore not Unicode.
>
> But Ali has already produced a fix giving significant speed-up (!!) and in
> his explanatory comment in the bug report he describes how my test code
> required a type conversion on each assignment (because I was inadvertantly
> making the variable be a character string to start with). So his fix gives a
> big improvement - and then (using a simple script change in the test example)
> he can gain another 40% improvement.
>
> I am absolutely blown away by this responsiveness !!
>
> Unfortunately, until his fix is included (due to be in the next build), his
> suggested script change doesn't help - so I'm not able to do any further
> (useful) testing on this part of performance. It looks like between his code
> change plus his suggested script change, the performance hit reduces to a
> mere 7X - still (IMHO) a pretty high number, but hopefully good enough that
> we can live with the performance impact for now.
>
> I'll re-test once RC2 comes out, and in the meantime I think I should play
> around with some more performance testing of other areas of the code.
>
> -- Alex.
> P.S. Thanks again to Ali - I can hardly believe this level of responsiveness.
>
> _______________________________________________
> use-livecode mailing list
> [email protected]
> Please visit this url to subscribe, unsubscribe and manage your subscription
> preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode
_______________________________________________
use-livecode mailing list
[email protected]
Please visit this url to subscribe, unsubscribe and manage your subscription
preferences:
http://lists.runrev.com/mailman/listinfo/use-livecode
