| CPU2006 license: | 11 | Test date: | Jul-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: | 16 cores, 8 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: | 128 GB (64x2 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 | 32 | 1142 | 274 | 1112 | 281 | 1111 | 281 | 32 | 906 | 345 | 908 | 344 | 907 | 345 |
| 401.bzip2 | 32 | 861 | 359 | 861 | 358 | 861 | 359 | 32 | 766 | 403 | 767 | 403 | 767 | 403 |
| 403.gcc | 32 | 651 | 395 | 652 | 395 | 654 | 394 | 32 | 568 | 454 | 570 | 452 | 572 | 450 |
| 429.mcf | 32 | 404 | 722 | 404 | 722 | 405 | 721 | 32 | 403 | 724 | 403 | 725 | 403 | 724 |
| 445.gobmk | 32 | 845 | 397 | 845 | 397 | 845 | 397 | 32 | 737 | 455 | 737 | 455 | 737 | 455 |
| 456.hmmer | 32 | 836 | 357 | 836 | 357 | 837 | 357 | 32 | 772 | 387 | 771 | 387 | 771 | 387 |
| 458.sjeng | 32 | 1094 | 354 | 1088 | 356 | 1087 | 356 | 32 | 983 | 394 | 983 | 394 | 984 | 393 |
| 462.libquantum | 32 | 782 | 848 | 781 | 849 | 782 | 848 | 16 | 261 | 1270 | 260 | 1270 | 260 | 1270 |
| 464.h264ref | 32 | 1209 | 586 | 1213 | 584 | 1210 | 585 | 32 | 1003 | 706 | 1005 | 704 | 1003 | 706 |
| 471.omnetpp | 32 | 800 | 250 | 800 | 250 | 798 | 251 | 32 | 752 | 266 | 753 | 266 | 754 | 265 |
| 473.astar | 32 | 783 | 287 | 784 | 286 | 783 | 287 | 32 | 681 | 330 | 682 | 329 | 680 | 330 |
| 483.xalancbmk | 32 | 557 | 396 | 558 | 396 | 558 | 396 | 32 | 519 | 425 | 519 | 425 | 520 | 425 |
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 3200 > /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 |