Jim Meyering wrote: > Paul Eggert wrote: >> With random data and a 64-way merge this sped up 'sort' by 5% on our tests. > > With my relatively small tests, (total input size is 76MiB, > very short lines) this patch makes sort about 10% slower: > (on an Intel(R) Core(TM)2 Quad CPU Q9450 @ 2.66GHz, w/6MB cache per core):
Confirmed, on pentium-m 1.7GHz single core. With different less random data... for i in $(seq 100); do seq 100000 >$i; done time ../src/sort -nm * >/dev/null real 0m10.288s user 0m9.444s sys 0m0.423s time ../src/sort -nm * >/dev/null real 0m14.919s user 0m13.897s sys 0m0.444s Pádraig. _______________________________________________ Bug-coreutils mailing list Bug-coreutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-coreutils
