Sun SPARC Enterprise T5240 with 1.6GHz UltraSPARC T2 Plus Beats 4-Chip IBM Power 570 POWER6 System on SPECjbb2005

Significance of Results

A Sun SPARC Enterprise T5240 server equipped with two UltraSPARC T2 Plus processors at 1.6GHz delivered a result of 422782 SPECjbb2005 bops, 26424 SPECjbb2005 bops/JVM. The Sun SPARC Enterprise T5240 consumed an average of 875 Watts of power during the execution of the benchmark.

  • The Sun SPARC Enterprise T5240 server running 2x 1.6 GHz UltraSPARC T2 Plus processor delivered 5% better performance than an IBM Power 570 with 4x 4.7 GHz POWER6 processors as measured by the SPECjbb2005 benchmark.

  • The Sun SPARC Enterprise T5240 server equipped with two UltraSPARC T2 Plus processors at 1.6GHz demonstrated 10% better performance than the Sun SPARC Enterprise T5240 server equipped with two UltraSPARC T2 Plus processors at 1.4GHz.
  • One Sun SPARC Enterprise T5240 (two 1.6GHz UltraSPARC T2 Plus chips, 2RU) has 2.3 times the power/performance than the IBM Power 570 (8RU) that used four 4.7GHz POWER6 chips.
  • The Sun SPARC Enterprise T5240 used OpenSolaris 2009.06 and the Sun JDK 1.6.0_14 Performance Release to obtain this result.

Performance Landscape

SPECjbb2005 Performance Chart (ordered by performance), select results presented.

bops : SPECjbb2005 Business Operations per Second (bigger is better)

System Processors Performance
Chips Cores Threads GHz Type bops bops/JVM
Sun SPARC Enterprise T5240 2 16 128 1.6 UltraSPARC T2 Plus 422782 26424
IBM Power 570 4 8 16 4.7 POWER6 402923 100731
Sun SPARC Enterprise T5240 2 16 128 1.4 UltraSPARC T2 Plus 384934 24058

Complete benchmark results may be found at the SPEC benchmark website http://www.spec.org.

Results and Configuration Summary

Hardware Configuration:

    Sun SPARC Enterprise T5240
      2 x 1.6 GHz UltraSPARC T2 Plus processors
      64 GB

Software Configuration:

    OpenSolaris 2009.06
    Java HotSpot(TM) 32-Bit Server, Version 1.6.0_14 Performance Release

Benchmark Description

SPECjbb2005 (Java Business Benchmark) measures the performance of a Java implemented application tier (server-side Java). The benchmark is based on the order processing in a wholesale supplier application. The performance of the user tier and the database tier are not measured in this test. The metrics given are number of SPECjbb2005 bops (Business Operations per Second) and SPECjbb2005 bops/JVM (bops per JVM instance).

Key Points and Best Practices

  • Each JVM executed in the FX scheduling class to improve performance by reducing the frequency of context switches.
  • Each JVM was bound to a separate processor containing 1 core to reduce memory access latency using the physical memory closest to the processor.

See Also

Disclosure Statement

SPEC, SPECjbb reg tm of Standard Performance Evaluation Corporation. Results as of 8/25/2009 on http://www.spec.org.
Sun SPARC T5240 (2 chips, 16 cores) 422782 SPECjbb2005 bops, 26424 SPECjbb2005 bops/JVM;Sun SPARC T5240 (2 chips, 16 cores) 384934 SPECjbb2005 bops, 24058 SPECjbb2005 bops/JVM; IBM Power 570 (4 chips, 8 cores) 402923 SPECjbb2005 bops, 100731 SPECjbb2005 bops/JVM.

Sun watts were measured on the system during the test.

IBM p 570 4P (2 building blocks) power specifications calculated as 80% of maximum input power reported 7/8/09 in 'Facts and Features Report': ftp://ftp.software.ibm.com/common/ssi/pm/br/n/psb01628usen/PSB01628USEN.PDF

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