Operating System share for 11/2008

In addition to the table below, you can view the visual charts using the TOP500 charts page. A direct link to the charts is also available.

Operating System Count Share % Rmax Sum (GF) Rpeak Sum (GF) Processor Sum
Linux 388 77.60 % 9301147 15584894 1544670
MacOS X 1 0.20 % 16180 24576 3072
UNICOS 1 0.20 % 13936 17459 1984
Super-UX 1 0.20 % 35860 40960 5120
AIX 21 4.20 % 848813 1159910 81344
SuSE Linux Enterprise Server 9 7 1.40 % 301432 466487 68640
UNICOS/Linux 2 0.40 % 48149 57928 11140
CNK/SLES 9 25 5.00 % 1996851 2464139 796672
SUSE Linux 1 0.20 % 14593 16384 2560
Redhat Linux 3 0.60 % 142060 171667 18192
RedHat Enterprise 4 3 0.60 % 109580 151341 14736
Windows Compute Cluster Server 2003 1 0.20 % 14184 28160 6400
UNICOS/SUSE Linux 3 0.60 % 256400 348106 50536
SUSE Linux Enterprise Server 10 3 0.60 % 99360 132050 15776
SLES10 + SGI ProPack 5 13 2.60 % 1063456 1296156 113400
UNICOS/lc 1 0.20 % 54648 63437 11328
CNL 16 3.20 % 2576897 3346494 367321
Windows HPC 2008 4 0.80 % 313930 401395 47744
CentOS 5 1.00 % 151010 194801 18288
Open Solaris 1 0.20 % 18540 20643 2048
Totals 500 100% 17377026.89 25986987.20 3180971