| CPU2006 license: | 11 | Test date: | Jun-2008 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Jun-2008 |
| Tested by: | IBM Corporation | Software Availability: | May-2008 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 5000 |
| FPU: | Integrated |
| CPU(s) enabled: | 64 cores, 32 chips, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 8,16,24,32,40,48,56,64 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: | 512 GB (256x2 GB) DDR2 667 MHz |
| Disk Subsystem: | 4x146 GB SCSI 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | Red Hat Enterprise Linux Advanced Platform 5.2 for IBM POWER |
| Compiler: | IBM XL C/C++ Advanced Edition for Linux, V9.0 Updated with the Mar2008 PTF. |
| Auto Parallel: | No |
| File System: | ext3 |
| System State: | Run level 3 (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 | 128 | 1023 | 1220 | 1020 | 1230 | 1020 | 1230 | 128 | 814 | 1540 | 817 | 1530 | 815 | 1540 |
| 401.bzip2 | 128 | 816 | 1510 | 817 | 1510 | 817 | 1510 | 128 | 731 | 1690 | 731 | 1690 | 731 | 1690 |
| 403.gcc | 128 | 574 | 1800 | 574 | 1790 | 574 | 1800 | 128 | 513 | 2010 | 513 | 2010 | 513 | 2010 |
| 429.mcf | 128 | 399 | 2920 | 399 | 2930 | 399 | 2930 | 128 | 393 | 2970 | 392 | 2980 | 395 | 2960 |
| 445.gobmk | 128 | 791 | 1700 | 791 | 1700 | 790 | 1700 | 128 | 625 | 2150 | 625 | 2150 | 626 | 2140 |
| 456.hmmer | 128 | 799 | 1490 | 799 | 1490 | 796 | 1500 | 128 | 747 | 1600 | 751 | 1590 | 742 | 1610 |
| 458.sjeng | 128 | 1011 | 1530 | 1014 | 1530 | 1010 | 1530 | 128 | 923 | 1680 | 922 | 1680 | 920 | 1680 |
| 462.libquantum | 128 | 527 | 5030 | 527 | 5030 | 527 | 5030 | 128 | 419 | 6330 | 419 | 6330 | 418 | 6350 |
| 464.h264ref | 128 | 1153 | 2460 | 1153 | 2460 | 1153 | 2460 | 128 | 909 | 3120 | 909 | 3120 | 910 | 3110 |
| 471.omnetpp | 128 | 619 | 1290 | 620 | 1290 | 620 | 1290 | 128 | 589 | 1360 | 590 | 1360 | 589 | 1360 |
| 473.astar | 128 | 673 | 1340 | 673 | 1330 | 673 | 1340 | 128 | 567 | 1590 | 567 | 1580 | 566 | 1590 |
| 483.xalancbmk | 128 | 483 | 1830 | 483 | 1830 | 482 | 1830 | 128 | 465 | 1900 | 463 | 1910 | 463 | 1910 |
Submit Notes
The config file option 'submit' was used.
General Notes
kernel release 2.6.18-92.el5.
See flags file for details on following settings.
ulimit -s (stack) set to 1048576.
System in normal architected mode
Large pages reserved as follows by root user:
echo 8960 > /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 -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: | -Wl,-q -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 |