Sizing up the Super Heavyweights
"Although moderate increases in commercial and throughput oriented performance was expected from the addition of SMT to POWER5, greatly improved latency and bandwidth in its cache and memory system not only amplified the increase in throughput but also raised single thread performance far above that of the POWER4+ and allowed it to take the lead in technical computing benchmarks like SPECfp2000 which the Madison I2 had previously held unchallenged. The POWER5ís margin of leadership can be expected to increase in the near future, as larger CPU count systems are gradually introduced."
(Submitted by Noel Thu Oct 21, 2004 )
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