T2000 perfomance
The T2000 have many slow CPUs but rather fast IO.
I did some performance tests with the T2000. The CPU is too slow to beat any current one from IBM (Power), AMD or Intel.
My first test was building kernels. With -j32, a complete build needs about 9 minutes. For comparison, a 4-way UltraSparc 2 with 450MHz needs 30 minutes. So each core compares to an UltraSparc 2 with 700MHz.
This numbers are not that phenomenal, so I added another test with ccache, to realy use the io system. With empty cache, it needs 10 minutes, with filled cache it needs 2.5 minutes.
As application server, it is not that usable; they are cpu bound. Especially zope, which is known to not scale well on more cpus because of the python global interpreter lock, is not able to use this. A comparision with an Opteron 242 with 1.6GHz shows a factor of 5 in the computing power on virtual cpu.
