I'm stuck with v2.2.2 because I have units from that version w/o source code, tho' not sure whether later fpcs would be any better? Any performance improvements made?
I have a program that does quite a bit of processing on xml strings (eg using str functions such as pos, npos,posex) that occur every 1 sec. These strings are quite long eg 5000 bytes or so and I have a short window to process them and do other stuff. I've tried compiling with -O3 on strutils and main program to minimise the time taken for string stuff (running xp, win32 on a 10 year old laptop, 1.4Ghz). This doesn't seem to make much/any difference. There used to be keyhole optimising in fpc but don't see that in v2.2.2. What about using -Oppentium3 or -Oppentium4? - they don't seem to make any difference either. Anyone any ideas/comments re how to speed up strings? John
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