| CPU2006 license: | 11 | Test date: | Feb-2008 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | May-2008 |
| Tested by: | IBM Corporation | Software Availability: | Nov-2007 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 3800 |
| FPU: | Integrated |
| CPU(s) enabled: | 2 cores, 1 chip, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 2 cores |
| Primary Cache: | 64 KB I + 64 KB D on chip per core |
| Secondary Cache: | 4 MB I+D on chip per core |
| L3 Cache: | None |
| Other Cache: | None |
| Memory: | 32 GB (8x4 GB) DDR2 667 MHz |
| Disk Subsystem: | 1x73 GB SAS 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | Red Hat Enterprise Linux Advanced Platform 5.1 for IBM POWER |
| Compiler: | IBM XL C/C++ Advanced Edition for Linux, V9.0 |
| Auto Parallel: | No |
| File System: | ext3 |
| System State: | Multi-User |
| Base Pointers: | 32-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | -IBM Post-Link Optimization for Linux on POWER, Version 5.4.0-17 -MicroQuill SmartHeap 8.1 |
Results Table
| Benchmark | Base | Peak | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Copies | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | Copies | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | |
| Results appear in the order in which they were run. Bold underlined text indicates a median measurement. | ||||||||||||||
| 400.perlbench | 4 | 1352 | 28.9 | 1352 | 28.9 | 1352 | 28.9 | 4 | 1057 | 37.0 | 1057 | 37.0 | 1057 | 37.0 |
| 401.bzip2 | 4 | 1098 | 35.2 | 1097 | 35.2 | 1096 | 35.2 | 4 | 989 | 39.0 | 993 | 38.9 | 988 | 39.1 |
| 403.gcc | 4 | 846 | 38.1 | 847 | 38.0 | 846 | 38.0 | 4 | 768 | 41.9 | 773 | 41.7 | 772 | 41.7 |
| 429.mcf | 4 | 533 | 68.5 | 532 | 68.5 | 533 | 68.4 | 4 | 530 | 68.8 | 530 | 68.9 | 530 | 68.9 |
| 445.gobmk | 4 | 1041 | 40.3 | 1041 | 40.3 | 1040 | 40.3 | 4 | 835 | 50.3 | 836 | 50.2 | 836 | 50.2 |
| 456.hmmer | 4 | 1032 | 36.2 | 1036 | 36.0 | 1032 | 36.1 | 4 | 972 | 38.4 | 961 | 38.8 | 966 | 38.6 |
| 458.sjeng | 4 | 1332 | 36.3 | 1333 | 36.3 | 1331 | 36.4 | 4 | 1182 | 41.0 | 1181 | 41.0 | 1182 | 40.9 |
| 462.libquantum | 4 | 905 | 91.6 | 912 | 90.9 | 903 | 91.8 | 4 | 873 | 95.0 | 870 | 95.3 | 874 | 94.8 |
| 464.h264ref | 4 | 1500 | 59.0 | 1500 | 59.0 | 1501 | 59.0 | 4 | 1245 | 71.1 | 1246 | 71.0 | 1245 | 71.1 |
| 471.omnetpp | 4 | 940 | 26.6 | 940 | 26.6 | 942 | 26.6 | 4 | 911 | 27.4 | 911 | 27.5 | 911 | 27.4 |
| 473.astar | 4 | 975 | 28.8 | 971 | 28.9 | 970 | 29.0 | 4 | 825 | 34.0 | 825 | 34.1 | 826 | 34.0 |
| 483.xalancbmk | 4 | 676 | 40.8 | 675 | 40.9 | 675 | 40.9 | 4 | 649 | 42.5 | 648 | 42.6 | 649 | 42.5 |
General Notes
kernel release 2.6.18-53.el5.
See flags file for details on following settings.
ulimit -s (stack) set to 262144.
Large pages reserved as follows by root user:
echo 265 > /proc/sys/vm/nr_hugepages
System configured with libhugetlbfs library for application access to large pages
Environment variables set before executing benchmarks.
export HUGETLB_VERBOSE=0
export HUGETLB_MORECORE=yes
export XLFRTEOPTS=intrinthds=1
IBM Post-Link Optimization tool used for
400.perlbench 401.bzip2 403.gcc 429.mcf 445.gobmk 456.hmmer 458.sjeng
462.libquantum 464.h264ref 473.astar 483.xalancbmk
Benchmarks bound to a processor using numactl on the submit command.
Base Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_PPC |
| 462.libquantum: | -DSPEC_CPU_LINUX |
| 464.h264ref: | -qchars=signed |
| 483.xalancbmk: | -DSPEC_CPU_LINUX |
Base Optimization Flags
C benchmarks:
| -O5 -qalias=noansi -qalloca -lhugetlbfs |
C++ benchmarks:
| -O5 -qrtti -lsmartheap |
Base Other Flags
C benchmarks:
| -qipa=noobject -qipa=threads |
C++ benchmarks:
| -qipa=noobject -qipa=threads |
Peak Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_PPC |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 462.libquantum: | -DSPEC_CPU_LINUX |
| 464.h264ref: | -qchars=signed |
| 483.xalancbmk: | -DSPEC_CPU_LINUX |
Peak Optimization Flags
C benchmarks:
| 400.perlbench: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qalias=noansi -lsmartheap |
| 401.bzip2: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -lhugetlbfs |
| 403.gcc: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qalloca -q64 -lhugetlbfs |
| 429.mcf: | -Wl,-q -O5 -qnoenablevmx -lhugetlbfs |
| 445.gobmk: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qnoenablevmx -lhugetlbfs |
| 456.hmmer: | Same as 401.bzip2 |
| 458.sjeng: | Same as 401.bzip2 |
| 462.libquantum: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qnoenablevmx -q64 -lhugetlbfs |
| 464.h264ref: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -q64 -lhugetlbfs |
C++ benchmarks:
| 471.omnetpp: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qrtti -lsmartheap |
| 473.astar: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qnoenablevmx -lsmartheap |
| 483.xalancbmk: | -Wl,-q -O4 -lsmartheap |