L505 wrote: > http://dennishomepage.gugs-cats.dk/LowerCaseChallenge.htm > > LowerCaseShaPas2_c > This one here is in Pascal, using GOTO and LABEL which consistently work fast > on > both -Og and -OG > But no one wants to maintain a GOTO and a LABEL.. > > [LowerCaseShaPas2_c] was slightly slower than [lowercase 6 ] (second fastest) > in -OG mode > [LowerCaseShaPas2_c] was slightly faster than [lowercase 9] (still second > fastest) in -Og mode .. so it's more consistent across compiler options it > seemed > > So maybe [lowercase 6 ] result should be submitted to fastcode to be tested? > > Also, if no one wants to use the assembly functions
Asm is ok as well as long as there is also a good pascal implementation. > and GOTO/LABEL functions in I've no problem with goto/label as long as it affects only a litte part of the rtl. > the RTL due to code bloat/maintenance, we could always offer an optional unit > where people could call the fast functions only if they needed them badly. > Just like how fastcode does, external from the VCL. > > ----- Original Message ----- > From: "Martin Schreiber" <[EMAIL PROTECTED]> > To: "FPC developers' list" <fpc-devel@lists.freepascal.org> > Sent: Saturday, June 11, 2005 9:29 PM > Subject: Re: [fpc-devel] Patch to speed up Uppercase/Lowercase functions > > > 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 > > _______________________________________________ > fpc-devel maillist - fpc-devel@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-devel > > > _______________________________________________ > fpc-devel maillist - fpc-devel@lists.freepascal.org > http://lists.freepascal.org/mailman/listinfo/fpc-devel _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
