| CPU2006 license: | 11 | Test date: | Jan-2008 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Feb-2008 |
| Tested by: | IBM Corporation | Software Availability: | Sep-2007 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 4200 |
| FPU: | Integrated |
| CPU(s) enabled: | 4 cores, 2 chips, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 1,2,4 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: | 16 GB (8x2 GB) DDR2 667 MHz |
| Disk Subsystem: | 1x146 GB SAS 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | SUSE Linux Enterprise Server 10 SP1 |
| 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 5.4.0-10 -MicroQuill SmartHeap 7.3 |
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 | 8 | 1247 | 62.7 | 1246 | 62.7 | 1251 | 62.5 | 8 | 1022 | 76.5 | 1021 | 76.6 | 1017 | 76.8 |
| 401.bzip2 | 8 | 1035 | 74.6 | 1023 | 75.5 | 1012 | 76.3 | 8 | 919 | 84.0 | 917 | 84.2 | 913 | 84.6 |
| 403.gcc | 8 | 836 | 77.0 | 838 | 76.8 | 837 | 77.0 | 8 | 785 | 82.1 | 787 | 81.9 | 785 | 82.0 |
| 429.mcf | 8 | 544 | 134 | 543 | 134 | 544 | 134 | 8 | 543 | 134 | 543 | 134 | 543 | 134 |
| 445.gobmk | 8 | 988 | 84.9 | 990 | 84.8 | 989 | 84.8 | 8 | 845 | 99.3 | 846 | 99.2 | 845 | 99.3 |
| 456.hmmer | 8 | 937 | 79.6 | 938 | 79.6 | 937 | 79.7 | 8 | 869 | 85.9 | 875 | 85.3 | 868 | 86.0 |
| 458.sjeng | 8 | 1226 | 78.9 | 1225 | 79.0 | 1228 | 78.8 | 8 | 1102 | 87.9 | 1100 | 88.0 | 1099 | 88.0 |
| 462.libquantum | 8 | 1237 | 134 | 1233 | 134 | 1236 | 134 | 8 | 1224 | 135 | 1225 | 135 | 1226 | 135 |
| 464.h264ref | 8 | 1365 | 130 | 1365 | 130 | 1364 | 130 | 8 | 1133 | 156 | 1133 | 156 | 1132 | 156 |
| 471.omnetpp | 8 | 1183 | 42.3 | 1181 | 42.4 | 1178 | 42.4 | 8 | 1152 | 43.4 | 1152 | 43.4 | 1152 | 43.4 |
| 473.astar | 8 | 1043 | 53.8 | 1040 | 54.0 | 1043 | 53.8 | 8 | 916 | 61.3 | 916 | 61.3 | 913 | 61.5 |
| 483.xalancbmk | 8 | 691 | 79.9 | 692 | 79.7 | 693 | 79.7 | 8 | 651 | 84.7 | 650 | 84.9 | 651 | 84.8 |
General Notes
kernel release 2.6.16.46-0.12-ppc64.
See flags file for details on following settings.
ulimit -s (stack) set to unlimited.
Large pages reserved as follows by root user:
echo 530 > /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 HUGETLB_MORECORE_HEAPBASE=0x50000000
export XLFRTEOPTS=intrinthds=1
IBM Post-Link Optimization tool used for
400.perlbench 401.bzip2 403.gcc 429.mcf 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 -qarch=pwr6 -qtune=pwr6 -qalias=noansi -qalloca -lhugetlbfs |
C++ benchmarks:
| -O5 -qarch=pwr6 -qtune=pwr6 -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 -qarch=pwr6 -qtune=pwr6 -qalias=noansi -lsmartheap |
| 401.bzip2: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr6 -qtune=pwr6 -lhugetlbfs |
| 403.gcc: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr6 -qtune=pwr6 -qalloca -q64 -lhugetlbfs |
| 429.mcf: | -Wl,-q -O5 -qarch=pwr6 -qtune=pwr6 -qnoenablevmx -lhugetlbfs |
| 445.gobmk: | -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr6 -qtune=pwr6 -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 -qarch=pwr6 -qtune=pwr6 -qnoenablevmx -q64 -lhugetlbfs |
| 464.h264ref: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr6 -qtune=pwr6 -q64 -lhugetlbfs |
C++ benchmarks:
| 471.omnetpp: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr6 -qtune=pwr6 -qrtti -lsmartheap |
| 473.astar: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr6 -qtune=pwr6 -qnoenablevmx -lsmartheap |
| 483.xalancbmk: | -Wl,-q -O4 -qarch=pwr6 -qtune=pwr6 -lsmartheap |