Comment 27 for bug 129142

Results on laptop with Celeron-M 1.4Ghz + VIA Unichrome IGP (fps 30):

jussi 22359 1.0 0.7 26848 5220 pts/0 S 18:04 0:00 /usr/lib/xscreensaver/colorfire -x30
jussi 22439 2.4 0.6 25180 4376 pts/0 S 18:12 0:00 /usr/lib/xscreensaver/sundancer2 -x30
jussi 22349 5.5 0.7 26728 5044 pts/0 R 18:03 0:01 /usr/lib/xscreensaver/biof -x30
jussi 22399 5.5 0.7 27244 5308 pts/0 S 18:08 0:01 /usr/lib/xscreensaver/hufo_tunnel -x30
jussi 22429 16.5 0.6 26732 4768 pts/0 S 18:11 0:04 /usr/lib/xscreensaver/solarwinds -x30
jussi 22356 18.9 0.7 26732 5028 pts/0 R 18:04 0:05 /usr/lib/xscreensaver/busyspheres -x30
jussi 22396 16.8 0.7 26888 4972 pts/0 R 18:08 0:05 /usr/lib/xscreensaver/hufo_smoke -x30
jussi 22376 21.2 0.6 26724 4764 pts/0 S 18:06 0:06 /usr/lib/xscreensaver/fieldlines -x30
jussi 22386 20.1 0.6 26736 4876 pts/0 S 18:07 0:06 /usr/lib/xscreensaver/flux -x30
jussi 22366 29.2 0.6 26736 4892 pts/0 R 18:05 0:08 /usr/lib/xscreensaver/cyclone -x30
jussi 22369 28.9 0.7 26908 5204 pts/0 R 18:05 0:08 /usr/lib/xscreensaver/euphoria -x30
jussi 22379 31.9 0.6 26732 4944 pts/0 R 18:06 0:09 /usr/lib/xscreensaver/flocks -x30
jussi 22416 31.1 0.9 32308 6400 pts/0 S 18:10 0:09 /usr/lib/xscreensaver/matrixview -x30
jussi 22436 32.7 0.6 28124 4840 pts/0 R 18:12 0:09 /usr/lib/xscreensaver/spirographx -x30
jussi 22409 35.3 0.7 27640 5336 pts/0 S 18:09 0:10 /usr/lib/xscreensaver/lattice -x30
jussi 22419 36.2 1.0 26736 7720 pts/0 R 18:10 0:10 /usr/lib/xscreensaver/plasma -x30
jussi 22426 64.4 1.2 31140 8560 pts/0 S 18:11 0:19 /usr/lib/xscreensaver/skyrocket -x30
jussi 22389 75.8 1.4 31788 10644 pts/0 R 18:07 0:22 /usr/lib/xscreensaver/helios -x30
jussi 22406 97.2 1.8 32448 13344 pts/0 R 18:09 0:29 /usr/lib/xscreensaver/hyperspace -x30

With some changes to defaults:
jussi 22503 56.7 2.1 34348 15244 pts/0 R 18:17 0:17 /usr/lib/xscreensaver/hyperspace --stars=200 --resolution=4 -x30

Helios runs much faster with '--no-surface' and by tweaking source for less resolution on surfaces CPU can be reduced greatly.