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A thing of geeky beauty: 24 "cpus" on a single chip

August 13th, 2007 by

On our new-ish Sun Fire T1000 server. 1 chip, 6 cores, 4 threads per core:

[mb]dlst1000v1 $ mpstat
CPU minf mjf xcal  intr ithr  csw icsw migr smtx  srw syscl  usr sys  wt idl
  0    0   0   22   214  110   10    0    0    0    0     7    0   0   0 100
  1    0   0    1     1    0    0    0    0    0    0     1    0   0   0 100
  2    0   0    1     1    0    1    0    0    0    0     1    0   0   0 100
  3    0   0    0     1    0    0    0    0    0    0     1    0   0   0 100
  4    0   0    1     6    2    2    0    0    0    0     2    0   0   0 100
  5    0   0    1     2    0    3    0    0    0    0     2    0   0   0 100
  6    0   0    1     2    0    2    0    0    0    0     1    0   0   0 100
  7    0   0    2     3    0    5    0    0    0    0     3    0   0   0 100
  8    0   0    2     3    0    5    0    0    0    0     2    0   0   0 100
  9    0   0    1     3    0    4    0    0    0    0     2    0   0   0 100
 10    0   0    3     7    5    2    0    0    2    0     3    0   0   0 100
 11    0   0    6     7    5    2    0    0    0    0     1    0   0   0 100
 12    0   0    1     2    0    3    0    0    0    0     2    0   0   0 100
 13    0   0    2     3    0    4    0    0    0    0     2    0   0   0 100
 14    0   0    1     2    0    1    0    0    0    0     2    0   0   0 100
 15    0   0    3     3    0    5    0    0    0    0     2    0   0   0 100
 16    0   0    1     2    0    3    0    0    0    0     3    0   0   0 100
 17    0   0    1     2    0    3    0    0    0    0     2    0   0   0 100
 18    0   0    1     2    0    2    0    0    0    0     2    0   0   0 100
 19    0   0    1     2    0    1    0    0    0    0     2    0   0   0 100
 20    0   0    1     8    4    2    0    0    0    0     2    0   0   0 100
 21    0   0    2     2    0    3    0    0    0    0     2    0   0   0 100
 22    0   0    2     6    2    4    0    0    0    0     2    0   0   0 100
 23    0   0    1     2    0    3    0    0    0    0     2    0   0   0 100