HP Kayak PC (300 MHz Intel Pentium II) vs Origin 2000
NCSA measured some single processor results on HP Kayak PC with 300 MHz Intel Pentium II. The compiler is a Digital compiler with optimization level of 4. For comparison, also included are results from the Origin 2000. This is a CFD Application
http://www.ncsa.uiuc.edu/SCD/Perf/Tuning/sp_perf/
In general the Origin is twice as fast - For the HP-Kayak there is a sharp decline going from 64x64 to 128x128 matrices, while on the Origin the decline is more gradual and usually gets memory bound beyond 256x256. This is a result of the smaller cache on the Intel chip.