| 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 IBM XL Fortran Advanced Edition for Linux, V11.1 |
| 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 -IBM Engineering and Scientific Subroutine Library for Linux on POWER, Version 4.3 |
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. | ||||||||||||||
| 410.bwaves | 16 | 1171 | 186 | 1181 | 184 | 1178 | 185 | 16 | 1171 | 186 | 1171 | 186 | 1170 | 186 |
| 416.gamess | 16 | 2005 | 156 | 2008 | 156 | 2005 | 156 | 16 | 1895 | 165 | 1894 | 165 | 1895 | 165 |
| 433.milc | 16 | 1553 | 94.6 | 1550 | 94.8 | 1552 | 94.6 | 16 | 1553 | 94.6 | 1550 | 94.8 | 1552 | 94.6 |
| 434.zeusmp | 16 | 1038 | 140 | 1035 | 141 | 1035 | 141 | 16 | 657 | 222 | 655 | 222 | 657 | 222 |
| 435.gromacs | 16 | 892 | 128 | 891 | 128 | 891 | 128 | 16 | 848 | 135 | 848 | 135 | 849 | 135 |
| 436.cactusADM | 16 | 1282 | 149 | 1283 | 149 | 1285 | 149 | 16 | 893 | 214 | 894 | 214 | 889 | 215 |
| 437.leslie3d | 16 | 1153 | 130 | 1153 | 130 | 1151 | 131 | 8 | 506 | 148 | 505 | 149 | 506 | 149 |
| 444.namd | 16 | 749 | 171 | 747 | 172 | 746 | 172 | 16 | 722 | 178 | 722 | 178 | 721 | 178 |
| 447.dealII | 16 | 694 | 264 | 690 | 265 | 691 | 265 | 16 | 665 | 275 | 665 | 275 | 666 | 275 |
| 450.soplex | 16 | 804 | 166 | 783 | 170 | 784 | 170 | 16 | 776 | 172 | 776 | 172 | 775 | 172 |
| 453.povray | 16 | 606 | 140 | 603 | 141 | 603 | 141 | 16 | 476 | 179 | 476 | 179 | 475 | 179 |
| 454.calculix | 16 | 780 | 169 | 780 | 169 | 780 | 169 | 16 | 668 | 198 | 673 | 196 | 674 | 196 |
| 459.GemsFDTD | 16 | 1739 | 97.6 | 1723 | 98.5 | 1732 | 98.0 | 16 | 1710 | 99.3 | 1706 | 99.5 | 1705 | 99.6 |
| 465.tonto | 16 | 1788 | 88.1 | 1808 | 87.1 | 1792 | 87.8 | 16 | 790 | 199 | 790 | 199 | 790 | 199 |
| 470.lbm | 16 | 1157 | 190 | 1158 | 190 | 1157 | 190 | 16 | 1158 | 190 | 1157 | 190 | 1157 | 190 |
| 481.wrf | 16 | 1421 | 126 | 1422 | 126 | 1423 | 126 | 16 | 1140 | 157 | 1137 | 157 | 1137 | 157 |
| 482.sphinx3 | 16 | 1060 | 294 | 1062 | 293 | 1064 | 293 | 16 | 1025 | 304 | 1024 | 305 | 1008 | 309 |
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
435.gromacs 436.cactusADM 482.sphinx3
Benchmarks bound to a processor using numactl on the submit command.
Base Compiler Invocation
C benchmarks:
| xlc -qlanglvl=extc99 |
C++ benchmarks:
| xlC |
Fortran benchmarks:
| xlf95 |
Benchmarks using both Fortran and C:
| xlc -qlanglvl=extc99 xlf95 |
Base Portability Flags
| 410.bwaves: | -qfixed |
| 416.gamess: | -qfixed |
| 434.zeusmp: | -qfixed |
| 435.gromacs: | -qfixed -qextname |
| 436.cactusADM: | -qfixed -qextname |
| 437.leslie3d: | -qfixed |
| 454.calculix: | -qfixed -qextname |
| 481.wrf: | -DNOUNDERSCORE |
| 482.sphinx3: | -qchars=signed |
Base Optimization Flags
C benchmarks:
| -O5 -qnoenablevmx -lhugetlbfs |
C++ benchmarks:
| -O5 -qrtti -qnoenablevmx -qstaticlink |
Fortran benchmarks:
| -O5 -qsmallstack=dynlenonheap -qalias=nostd -qnoenablevmx -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
Benchmarks using both Fortran and C:
| -O5 -qnoenablevmx -qsmallstack=dynlenonheap -qalias=nostd -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
Base Other Flags
C benchmarks:
| -qipa=noobject -qipa=threads |
C++ benchmarks:
| -qipa=noobject -qipa=threads |
Fortran benchmarks:
| -qipa=noobject -qipa=threads |
Benchmarks using both Fortran and C:
| -qipa=noobject -qipa=threads |
Peak Compiler Invocation
C benchmarks:
| xlc -qlanglvl=extc99 |
C++ benchmarks:
| xlC |
Fortran benchmarks:
| xlf95 |
Benchmarks using both Fortran and C:
| xlc -qlanglvl=extc99 xlf95 |
Peak Portability Flags
| 410.bwaves: | -qfixed |
| 416.gamess: | -qfixed |
| 434.zeusmp: | -qfixed |
| 435.gromacs: | -qfixed -qextname |
| 436.cactusADM: | -qfixed -qextname |
| 437.leslie3d: | -qfixed |
| 454.calculix: | -qfixed -qextname |
| 481.wrf: | -DNOUNDERSCORE |
| 482.sphinx3: | -qchars=signed |
Peak Optimization Flags
C benchmarks:
| 433.milc: | basepeak = yes |
| 470.lbm: | -O3 -qarch=pwr6e -qtune=pwr6 -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT -q64 |
| 482.sphinx3: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -lhugetlbfs |
C++ benchmarks:
| 444.namd: | -qpdf1(pass 1) -qpdf2(pass 2) -O3 -qarch=pwr6e -qtune=pwr6 |
| 447.dealII: | -O5 -qrtti -qnoenablevmx -qstaticlink -Wl,--whole-archive /usr/lib/libsmartheap.a -Wl,--no-whole-archive |
| 450.soplex: | -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qstrict -lhugetlbfs |
| 453.povray: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -lsmartheap |
Fortran benchmarks:
| 410.bwaves: | -O5 -qsmallstack=dynlenonheap -lhugetlbfs |
| 416.gamess: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qalias=nostd -qnoenablevmx |
| 434.zeusmp: | -qpdf1(pass 1) -qpdf2(pass 2) -O3 -qarch=pwr6e -qtune=pwr6 -qxlf90=nosignedzero -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
| 437.leslie3d: | -O3 -qarch=pwr6e -qtune=pwr6 -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT -q64 |
| 459.GemsFDTD: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT -q64 |
| 465.tonto: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -lessl -lsmartheap -lxlf90_r |
Benchmarks using both Fortran and C:
| 435.gromacs: | -Wl,-q -O2 -qarch=pwr6e -qtune=pwr6 -lhugetlbfs |
| 436.cactusADM: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O2 -qarch=pwr6e -qtune=pwr6 -qnostrict -lhugetlbfs |
| 454.calculix: | -qpdf1(pass 1) -qpdf2(pass 2) -O4 -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
| 481.wrf: | -O5 -qnoenablevmx -qsmallstack=dynlenonheap -lhugetlbfs |