[fpc-devel] Patch to speed up Uppercase/Lowercase functions

[Martin Schreiber]

On Sunday 12 June 2005 00.23, Jonas Maebe wrote:
> Try also with register variables on (-O???r), it will probably more
> closely match Kylix' results then in case of the loop versions.

Kylix:
lowercase   execution time: 336887
lowercase 1 execution time: 380923
lowercase 2 execution time: 375411
lowercase 3 execution time: 369814
lowercase 4 execution time: 320665
lowercase 5 execution time: 300580
lowercase 6 execution time: 219047
lowercase 7 execution time: 356606
lowercase 8 execution time: 249913
lowercase 9 execution time: 252431

-OG1r
lowercase   execution time: 465596
lowercase 1 execution time: 378780
lowercase 2 execution time: 389711
lowercase 3 execution time: 375878
lowercase 4 execution time: 225029
lowercase 5 execution time: 228708
lowercase 6 execution time: 158026
lowercase 7 execution time: 264930
lowercase 8 execution time: 182939
lowercase 9 execution time: 165446

-OG2r
lowercase   execution time: 471705
lowercase 1 execution time: 378160
lowercase 2 execution time: 388112
lowercase 3 execution time: 395773
lowercase 4 execution time: 227191
lowercase 5 execution time: 227925
lowercase 6 execution time: 156750
lowercase 7 execution time: 258313
lowercase 8 execution time: 181842
lowercase 9 execution time: 165069
 
-Og1r
lowercase   execution time: 464843
lowercase 1 execution time: 486571
lowercase 2 execution time: 463269
lowercase 3 execution time: 472342
lowercase 4 execution time: 247544
lowercase 5 execution time: 399030
lowercase 6 execution time: 646651
lowercase 7 execution time: 263588
lowercase 8 execution time: 636059
lowercase 9 execution time: 170660

-Og2r
lowercase   execution time: 470038
lowercase 1 execution time: 487086
lowercase 2 execution time: 459035
lowercase 3 execution time: 476304
lowercase 4 execution time: 243678
lowercase 5 execution time: 399953
lowercase 6 execution time: 646284
lowercase 7 execution time: 265147
lowercase 8 execution time: 632796
lowercase 9 execution time: 169471

Martin