Random Variable
Lifer
very large-scale Itanium 2 Linux server
SPEC Floating-Point (Base) Rates:
64-processor SGI Altix 3700 (1GHz Itanium) - 862
64-processor SGI Origin 3800 (600MHz R14000A) - 305
64-processor HP Superdome (875MHz PA-8700+) - 267
32-processor SGI Altix 3700 (1GHz Itanium 2) - 443
32-processor IBM eServer p690 (1.3 GHz Power4) - 251
32-processor HP AlphaServer GS320 (1224MHz Alpha 21264C) - 241
http://www.aceshardware.com/#60000482
http://www.specbench.org/cpu2000/results/rfp2000.html
EDIT:For technical users seeking to achieve breakthrough performance with open-source computing, the SGI Altix 3000 family takes Linux® to new altitudes of scalability and performance. SGI Altix 3000 superclusters can scale up to hundreds of Intel® Itanium® 2 processors with a built-in SGI® NUMAlinkTM interconnect fabric that delivers information between nodes up to 200 times faster than conventional clustering switches. Each node of an SGI Altix 3000 supercluster can run a single Linux operating system image over 64 Intel Itanium 2 processors and up to 512GB of memory.
SPEC Floating-Point (Base) Rates:
64-processor SGI Altix 3700 (1GHz Itanium) - 862
64-processor SGI Origin 3800 (600MHz R14000A) - 305
64-processor HP Superdome (875MHz PA-8700+) - 267
32-processor SGI Altix 3700 (1GHz Itanium 2) - 443
32-processor IBM eServer p690 (1.3 GHz Power4) - 251
32-processor HP AlphaServer GS320 (1224MHz Alpha 21264C) - 241
http://www.aceshardware.com/#60000482
http://www.specbench.org/cpu2000/results/rfp2000.html