Your results are pretty much in line what I've got from UNICOS/mk (T3E) and a guy from Boeing from UNICOS (C90, I think), as listed in perldelta: =head2 UNICOS ../ext/Socket/socketpair.t 1 256 45 1 2.22% 12 ../lib/Math/Trig.t 26 1 3.85% 25 ../lib/warnings.t 460 1 0.22% 425 io/fs.t 36 1 2.78% 31 op/numconvert.t 1440 13 0.90% 208 509-510 657-658 665-666 829-830 989-990 1149-1150 =head2 UNICOS and UNICOS/mk The io/fs test #31 is failing because in UNICOS and UNICOS/mk truncate() cannot be used to grow the size of filehandles, only to reduce the size. The workaround is to truncate files instead of filehandles. -- $jhi++; # http://www.iki.fi/jhi/ # There is this special biologist word we use for 'stable'. # It is 'dead'. -- Jack CohenThread Previous | Thread Next