| 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: | 4 cores, 2 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: | 32 GB (16x2 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 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 | 8 | 604 | 180 | 616 | 176 | 611 | 178 | 8 | 579 | 188 | 579 | 188 | 581 | 187 |
| 416.gamess | 8 | 1789 | 87.6 | 1792 | 87.4 | 1788 | 87.6 | 8 | 1687 | 92.8 | 1687 | 92.8 | 1688 | 92.8 |
| 433.milc | 8 | 853 | 86.1 | 853 | 86.1 | 852 | 86.2 | 8 | 853 | 86.1 | 853 | 86.1 | 852 | 86.2 |
| 434.zeusmp | 8 | 901 | 80.8 | 902 | 80.7 | 900 | 80.9 | 8 | 540 | 135 | 544 | 134 | 541 | 135 |
| 435.gromacs | 8 | 797 | 71.7 | 797 | 71.7 | 797 | 71.7 | 8 | 727 | 78.6 | 726 | 78.6 | 726 | 78.6 |
| 436.cactusADM | 8 | 1143 | 83.6 | 1143 | 83.6 | 1140 | 83.8 | 8 | 792 | 121 | 797 | 120 | 791 | 121 |
| 437.leslie3d | 8 | 732 | 103 | 739 | 102 | 736 | 102 | 4 | 351 | 107 | 331 | 114 | 332 | 113 |
| 444.namd | 8 | 665 | 96.4 | 665 | 96.4 | 665 | 96.4 | 8 | 645 | 99.5 | 645 | 99.5 | 645 | 99.5 |
| 447.dealII | 8 | 596 | 154 | 596 | 154 | 596 | 153 | 8 | 577 | 159 | 577 | 159 | 577 | 159 |
| 450.soplex | 8 | 592 | 113 | 565 | 118 | 566 | 118 | 8 | 571 | 117 | 562 | 119 | 562 | 119 |
| 453.povray | 8 | 541 | 78.7 | 541 | 78.7 | 540 | 78.8 | 8 | 427 | 99.7 | 426 | 99.9 | 426 | 99.9 |
| 454.calculix | 8 | 691 | 95.5 | 691 | 95.6 | 690 | 95.6 | 8 | 591 | 112 | 593 | 111 | 592 | 112 |
| 459.GemsFDTD | 8 | 1037 | 81.8 | 999 | 85.0 | 1039 | 81.7 | 8 | 956 | 88.8 | 957 | 88.7 | 956 | 88.8 |
| 465.tonto | 8 | 1573 | 50.0 | 1556 | 50.6 | 1572 | 50.1 | 8 | 700 | 112 | 700 | 112 | 700 | 112 |
| 470.lbm | 8 | 582 | 189 | 582 | 189 | 582 | 189 | 8 | 583 | 189 | 583 | 189 | 583 | 189 |
| 481.wrf | 8 | 1216 | 73.5 | 1217 | 73.5 | 1217 | 73.4 | 8 | 1087 | 82.2 | 1086 | 82.3 | 1086 | 82.3 |
| 482.sphinx3 | 8 | 946 | 165 | 942 | 165 | 947 | 165 | 8 | 894 | 174 | 894 | 174 | 894 | 174 |
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 800 > /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
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 -lhugetlbfs |
| 454.calculix: | -qpdf1(pass 1) -qpdf2(pass 2) -O4 -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
| 481.wrf: | -O5 -qnoenablevmx -qalias=nostd -lhugetlbfs |