Re: parallel sort strangeness

2011-07-29 Thread Jim Meyering
Pádraig Brady wrote: On 07/28/2011 01:16 PM, Jim Meyering wrote: For some reason, sort is now very slow here (Fedora 15, x86_64, with little free RAM), even for tiny inputs, but only some of the time, and not when I set OMP_NUM_THREADS=1. (I noticed because ./bootstrap was taking *forever*,

parallel sort strangeness

2011-07-28 Thread Jim Meyering
For some reason, sort is now very slow here (Fedora 15, x86_64, with little free RAM), even for tiny inputs, but only some of the time, and not when I set OMP_NUM_THREADS=1. (I noticed because ./bootstrap was taking *forever*, traced it, which showed gnulib-tool taking all the time, then traced

Re: parallel sort strangeness

2011-07-28 Thread Pádraig Brady
On 07/28/2011 01:16 PM, Jim Meyering wrote: For some reason, sort is now very slow here (Fedora 15, x86_64, with little free RAM), even for tiny inputs, but only some of the time, and not when I set OMP_NUM_THREADS=1. (I noticed because ./bootstrap was taking *forever*, traced it, which