Hi Adrian, "Adrian Veith" <adr...@veith-system.de> wrote:
[...] > >we optimized the code further and eliminated the all Next, Prev: Integer >etc to and changed them to pointers again. Here are the results: [...] >first optimization - saving redundant array access to pointers: [...] >next optimization - changed code to use linked lists inside the arrays: > >fpc 7s = -41 % from opt1 = - 58% from orig >delphi 6s = - 25% from opt1 = -33% from orig > I get the following values with the code you sent: fpc: 4.51s vs Delphi: 3.05s on Intel Xeon and fpc: 7.33s vs Delphi: 5.17s on Intel Core 2 mobile so even for your optimized code delphi is more than 40% faster. Probably we use different delphi compilers. I got these results using Delphi 7. [...] >last optimized version of the code attached: [...] thanks a lot for the code, I used these ideas for the original code and it gave me a speedup of 20%. ___________________________________________________________ WEB.DE DSL SOMMER-SPECIAL: Surf & Phone Flat 16.000 für nur 19,99 €/mtl.!* http://produkte.web.de/go/DSL_Doppel_Flatrate/2 _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
