And these are the results for the same linux 64bit system but
compiling with -m32:
$ dmd -m32 -O -inline -release -noboundscheck fast_stride.d
$ for a in *wiki*; do echo ; echo $a: ; ./fast_stride $a; done
arwiki-latest-all-titles-in-ns0:
stride 89362
myStride 49974
myStride 51140
stride 88308
dewiki-latest-all-titles-in-ns0:
stride 138381
myStride 116971
myStride 116662
stride 139681
enwiki-latest-all-titles-in-ns0:
stride 584787
myStride 490681
myStride 490909
stride 584694
ruwiki-latest-all-titles-in-ns0:
stride 585372
myStride 333905
myStride 341274
stride 585050
--jm