Sun T5440 SPECjbb2005 Beats IBM POWER6 Chip-to-Chip

A Sun SPARC Enterprise T5440 server equipped with four UltraSPARC T2 Plus processors running at 1.6GHz, delivered a result of 841380 SPECjbb2005 bops, 26293 SPECjbb2005 bops/JVM when running the SPECjbb2005 benchmark.

  • One Sun SPARC Enterprise T5440 (four 1.6GHz UltraSPARC T2 Plus chips, 4RU) demonstrated 5% better performance than the IBM Power 570 (16RU) result of 798752 SPECjbb2005 bops using eight 4.7 GHz POWER6 chips. The IBM system requires twice the number of processor chips and the system requires 4 times more space than the T5440.
  • One Sun SPARC Enterprise T5440 (four 1.6GHz UltraSPARC T2 Plus chips, 4RU) has 2.3 times better power/performance than the IBM Power 570 (16RU) that used eight 4.7 GHz POWER6 chips.
  • Sun's 1.6GHz UltraSPARC T2 Plus Processor is over 2.3x performance of 4.7 GHz IBM POWER6 processor.
  • One Sun SPARC Enterprise T5440 (four 1.6GHz UltraSPARC T2 Plus chips) demonstrated 21% better performance when compared to the Sun SPARC Enterprise T5440 result of 692736 SPECjbb2005 bops using four 1.4GHz UltraSPARC T2 Plus chips.
  • The Sun SPARC Enterprise T5440 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)

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

System Processors Performance
Chips Cores Threads GHz Type bops bops/JVM
HP DL585 G6 4 24 24 2.8 AMD Opteron 937207 234302
Sun SPARC Enterprise T5440 4 32 256 1.6 US-T2 Plus 841380 26293
IBM Power 570 8 16 32 4.7 POWER6 798752 99844
Sun SPARC Enterprise T5440 4 32 256 1.4 US-T2 Plus 692736 21648

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

Results and Configuration Summary

Hardware Configuration:

    Sun SPARC Enterprise T5440
      4 x 1.6 GHz UltraSPARC T2 Plus processors
      256 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

  • Enhancements to the JVM had a major impact on performance.
  • Each JVM executed in the FX scheduling class to improve performance by reducing the frequency of context switches.
  • Each JVM 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:

SPECjbb2005 Sun SPARC Enterprise T5440 (4 chips, 32 cores) 841380 SPECjbb2005 bops, 26293 SPECjbb2005 bops/JVM. Results submitted to SPEC. HP DL585 G5 (4 chips, 24 cores) 937207 SPECjbb2005 bops, 234302 SPECjbb2005 bops/JVM. IBM Power 570 (8 chips, 16 cores) 798752 SPECjbb2005 bops, 99844 SPECjbb2005 bops/JVM. Sun SPARC Enterprise T5440 (4 chips, 32 cores) 692736 SPECjbb2005 bops, 21648 SPECjbb2005 bops/JVM. SPEC, SPECjbb reg tm of Standard Performance Evaluation Corporation. Results from www.spec.org as of 7/20/09

Sun watts were measured on the system during the test.

IBM p 570 8P (4 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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