an unintended test

• Initial Configuration: 2 Sparc 20’s w/50MHz CPUs; Solaris 2.5.1; Efficient Networks ATM NICs @155MHz, LattisCell 10114-SM

  • TTCP memory-to-memory: 60 Mbps

• Upgrade to 75MHz chips, otherwise identical

  • TTCP now reports 90Mbps!

• 50% upgrade in CPU speed led to exactly 50% increase in network throughput

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