gut

$ for i in ld-test.c lq-test.c std-test.c stq-test.c; do
  /opt/at8.0/bin/gcc -O2 $i -o ${i//.c}
  echo -n -e "\n$i"
  time ./${i//.c}
done

ld-test.c
real    0m2.594s
user    0m2.550s
sys     0m0.000s

gut

[root@ 64b 13:44:10 /tmp/modf]$ uname -m
ppc64le
[root@ 64b 13:44:17 /tmp/modf]$ cat /proc/cpuinfo
processor       : 0
cpu             : POWER8E (raw), altivec supported
clock           : 3425.000000MHz
revision        : 2.1 (pvr 004b 0201)

timebase        : 512000000
platform        : pSeries