| CPU2006 license: | 11 | Test date: | Oct-2007 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Jun-2007 |
| Tested by: | IBM Corporation | Software Availability: | Oct-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: | 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 | 1086 | 144 | 1085 | 144 | 1085 | 144 | 16 | 860 | 182 | 856 | 183 | 856 | 183 |
| 401.bzip2 | 16 | 860 | 180 | 858 | 180 | 858 | 180 | 16 | 766 | 201 | 766 | 202 | 767 | 201 |
| 403.gcc | 16 | 645 | 200 | 646 | 199 | 644 | 200 | 16 | 565 | 228 | 569 | 226 | 566 | 227 |
| 429.mcf | 16 | 403 | 362 | 403 | 362 | 404 | 361 | 16 | 402 | 363 | 401 | 363 | 402 | 363 |
| 445.gobmk | 16 | 837 | 200 | 837 | 200 | 838 | 200 | 16 | 730 | 230 | 730 | 230 | 731 | 229 |
| 456.hmmer | 16 | 846 | 176 | 844 | 177 | 840 | 178 | 16 | 800 | 187 | 792 | 189 | 794 | 188 |
| 458.sjeng | 16 | 1089 | 178 | 1096 | 177 | 1089 | 178 | 16 | 974 | 199 | 974 | 199 | 974 | 199 |
| 462.libquantum | 16 | 780 | 425 | 779 | 425 | 780 | 425 | 8 | 251 | 662 | 250 | 663 | 250 | 662 |
| 464.h264ref | 16 | 1217 | 291 | 1226 | 289 | 1217 | 291 | 16 | 1006 | 352 | 1006 | 352 | 1006 | 352 |
| 471.omnetpp | 16 | 646 | 155 | 646 | 155 | 645 | 155 | 16 | 620 | 161 | 620 | 161 | 620 | 161 |
| 473.astar | 16 | 726 | 155 | 727 | 154 | 727 | 155 | 16 | 609 | 184 | 608 | 185 | 609 | 185 |
| 483.xalancbmk | 16 | 512 | 216 | 512 | 216 | 512 | 216 | 16 | 482 | 229 | 482 | 229 | 482 | 229 |
General Notes
kernel release 2.6.18-52.el5.
See flags file for details on following settings.
ulimit -s (stack) set to 262144.
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
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 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 |