> How do I parse the identification field in /proc/cpuinfo? The > other ones > I understand. The one I have access to says "processor 0: > version = FF,
Probably this indicates you're running under VM or VIF. The Linux guest is seeing a virtual CPU (on bare metal, this would be the actual physical id of the CPUs, eg 00, 01, 02, etc) or a LPAR id. > identification = 035667 Serial number of the machine. >, machine = 9672" Model of the box. > > I am trying to estimate the performance of our application on > different > S390/zSeries systems, and for the CPU bound parts I am > interested in not > only the "MIPS rating" and "MHZ rating" but also things like: Good, because they're bogus in a virtual machine anyway. > -- How "good" is the S390 backend of gcc compared to, say, IA32? It's pretty good, with Neale's tinkering, and the Boeblingen guys doing some fine work. It's not perfect (what is?), and there is some work to be done in the optimizer, but it's pretty good. The 64 bit pieces are not as mature, and will probably need some more study. > -- Cache sizes and speeds (bw and lat) for the different levels of > cache? (I could use lmbench, but I only have access to one CPU) IBM Journal of R&D occasionally publishes some interesting articles in this vein.
