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 > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode