lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
Out of Memory: Killed process 224 (qsbench).
17.770u 3.160s 1:19.95 26.1% 0+0k 0+0io 13294pf+0w
lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
Out of Memory: Killed process 226 (qsbench).
26.030u 15.530s 1:39.39 41.8% 0+0k 0+0io 13283pf+0w
lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
Out of Memory: Killed process 228 (qsbench).
29.350u 41.360s 2:27.63 47.8% 0+0k 0+0io 15214pf+0w
0:12 kswapd
With more swap space is much better, but performance seem slightly
worse than 2.4.14-pre6:
lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
70.530u 2.920s 2:16.35 53.8% 0+0k 0+0io 17575pf+0w
lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
70.510u 3.160s 2:19.79 52.7% 0+0k 0+0io 17639pf+0w
lenstra:~/src/qsort> time ./qsbench -n 90000000 -p 1 -s 140175100
70.540u 3.270s 2:17.39 53.7% 0+0k 0+0io 17544pf+0w
0:01 kswapd
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