| CPU2006 license: | 11 | Test date: | Jun-2007 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Jun-2007 |
| Tested by: | IBM Corporation | Software Availability: | Sep-2007 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 4700 |
| FPU: | Integrated |
| CPU(s) enabled: | 8 cores, 4 chips, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 2,4,8,12,16 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: | 2x73 GB SAS 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | SUSE Linux Enterprise 10 SP1 |
| Compiler: | IBM XL C/C++ Advanced Edition for Linux, V9.0 |
| Auto Parallel: | No |
| File System: | ReiserFS |
| System State: | Multi-User |
| Base Pointers: | 32-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | -Post-Link Optimization for Linux on POWER, Version 5.4.0 -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 | 16 | 1112 | 141 | 1112 | 141 | 1111 | 141 | 16 | 897 | 174 | 896 | 174 | 896 | 174 |
| 401.bzip2 | 16 | 856 | 180 | 856 | 180 | 858 | 180 | 16 | 762 | 203 | 766 | 202 | 762 | 203 |
| 403.gcc | 16 | 653 | 197 | 653 | 197 | 655 | 197 | 16 | 568 | 227 | 571 | 226 | 569 | 226 |
| 429.mcf | 16 | 402 | 363 | 404 | 362 | 402 | 363 | 16 | 401 | 364 | 401 | 364 | 401 | 363 |
| 445.gobmk | 16 | 844 | 199 | 844 | 199 | 844 | 199 | 16 | 737 | 228 | 737 | 228 | 737 | 228 |
| 456.hmmer | 16 | 836 | 179 | 836 | 178 | 836 | 179 | 16 | 772 | 193 | 772 | 193 | 772 | 193 |
| 458.sjeng | 16 | 1088 | 178 | 1088 | 178 | 1095 | 177 | 16 | 982 | 197 | 982 | 197 | 982 | 197 |
| 462.libquantum | 16 | 779 | 425 | 778 | 426 | 778 | 426 | 8 | 260 | 636 | 260 | 636 | 260 | 636 |
| 464.h264ref | 16 | 1209 | 293 | 1210 | 293 | 1216 | 291 | 16 | 1006 | 352 | 1003 | 353 | 1004 | 353 |
| 471.omnetpp | 16 | 794 | 126 | 794 | 126 | 794 | 126 | 16 | 748 | 134 | 752 | 133 | 750 | 133 |
| 473.astar | 16 | 783 | 143 | 783 | 144 | 783 | 143 | 16 | 681 | 165 | 681 | 165 | 682 | 165 |
| 483.xalancbmk | 16 | 557 | 198 | 558 | 198 | 557 | 198 | 16 | 518 | 213 | 519 | 213 | 519 | 213 |
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.
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 HUGETLB_MORECORE_HEAPBASE=0x50000000
export XLFRTEOPTS=intrinthds=1
fdpr binary 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 taskset 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 -lhugetlbfs |
| 483.xalancbmk: | -Wl,-q -O4 -lsmartheap |