| CPU2006 license: | 11 | Test date: | Jan-2008 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Feb-2008 |
| Tested by: | IBM Corporation | Software Availability: | Nov-2007 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 4200 |
| FPU: | Integrated |
| CPU(s) enabled: | 8 cores, 4 chips, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 2,4,6,8 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: | 32 MB I+D off chip per chip |
| Other Cache: | None |
| Memory: | 64 GB (32x2 GB) DDR2 667 MHz |
| Disk Subsystem: | 2x146 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 5.4.0-10 -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 | 16 | 1217 | 128 | 1218 | 128 | 1217 | 128 | 16 | 971 | 161 | 965 | 162 | 965 | 162 |
| 401.bzip2 | 16 | 965 | 160 | 966 | 160 | 966 | 160 | 16 | 864 | 179 | 863 | 179 | 863 | 179 |
| 403.gcc | 16 | 735 | 175 | 732 | 176 | 730 | 176 | 16 | 656 | 196 | 653 | 197 | 656 | 196 |
| 429.mcf | 16 | 467 | 313 | 467 | 313 | 467 | 312 | 16 | 466 | 313 | 465 | 314 | 467 | 313 |
| 445.gobmk | 16 | 941 | 178 | 940 | 179 | 940 | 179 | 16 | 822 | 204 | 821 | 204 | 822 | 204 |
| 456.hmmer | 16 | 948 | 158 | 949 | 157 | 947 | 158 | 16 | 887 | 168 | 896 | 167 | 890 | 168 |
| 458.sjeng | 16 | 1227 | 158 | 1228 | 158 | 1230 | 157 | 16 | 1094 | 177 | 1094 | 177 | 1096 | 177 |
| 462.libquantum | 16 | 1172 | 283 | 1175 | 282 | 1174 | 282 | 8 | 295 | 561 | 295 | 561 | 295 | 561 |
| 464.h264ref | 16 | 1357 | 261 | 1384 | 256 | 1384 | 256 | 16 | 1122 | 316 | 1122 | 316 | 1121 | 316 |
| 471.omnetpp | 16 | 753 | 133 | 754 | 133 | 753 | 133 | 16 | 729 | 137 | 730 | 137 | 730 | 137 |
| 473.astar | 16 | 818 | 137 | 818 | 137 | 817 | 137 | 16 | 688 | 163 | 687 | 163 | 688 | 163 |
| 483.xalancbmk | 16 | 569 | 194 | 569 | 194 | 569 | 194 | 16 | 542 | 204 | 543 | 203 | 542 | 204 |
General Notes
kernel release 2.6.18-53.el5.
See flags file for details on following settings.
ulimit -s (stack) set to 1048576.
System set to Enhanced mode when defining partition on HMC
Large pages reserved as follows by root user:
echo 1600 > /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 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: | -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 |