| CPU2006 license: | 11 | Test date: | Feb-2008 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | May-2008 |
| Tested by: | IBM Corporation | Software Availability: | Nov-2007 |
| Hardware | |
|---|---|
| CPU Name: | POWER6 |
| CPU Characteristics: | |
| CPU MHz: | 3800 |
| FPU: | Integrated |
| CPU(s) enabled: | 2 cores, 1 chip, 2 cores/chip, 2 threads/core |
| CPU(s) orderable: | 2 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: | None |
| Other Cache: | None |
| Memory: | 32 GB (8x4 GB) DDR2 667 MHz |
| Disk Subsystem: | 1x73 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 5.4.0-17 -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 | 4 | 978 | 55.6 | 993 | 54.8 | 994 | 54.7 | 4 | 964 | 56.4 | 963 | 56.4 | 963 | 56.5 |
| 416.gamess | 4 | 2203 | 35.6 | 2203 | 35.6 | 2202 | 35.6 | 4 | 2084 | 37.6 | 2082 | 37.6 | 2085 | 37.6 |
| 433.milc | 4 | 1115 | 32.9 | 1120 | 32.8 | 1118 | 32.8 | 4 | 1065 | 34.5 | 1067 | 34.4 | 1068 | 34.4 |
| 434.zeusmp | 4 | 1113 | 32.7 | 1112 | 32.7 | 1112 | 32.7 | 4 | 664 | 54.8 | 671 | 54.2 | 658 | 55.4 |
| 435.gromacs | 4 | 982 | 29.1 | 982 | 29.1 | 982 | 29.1 | 4 | 933 | 30.6 | 933 | 30.6 | 933 | 30.6 |
| 436.cactusADM | 4 | 1361 | 35.1 | 1361 | 35.1 | 1362 | 35.1 | 4 | 945 | 50.6 | 945 | 50.6 | 945 | 50.6 |
| 437.leslie3d | 4 | 1013 | 37.1 | 1022 | 36.8 | 1020 | 36.9 | 2 | 480 | 39.2 | 482 | 39.0 | 484 | 38.8 |
| 444.namd | 4 | 820 | 39.1 | 819 | 39.2 | 820 | 39.1 | 4 | 793 | 40.5 | 794 | 40.4 | 793 | 40.5 |
| 447.dealII | 4 | 745 | 61.5 | 744 | 61.5 | 744 | 61.5 | 4 | 722 | 63.4 | 720 | 63.6 | 721 | 63.5 |
| 450.soplex | 4 | 880 | 37.9 | 882 | 37.8 | 883 | 37.8 | 4 | 872 | 38.3 | 872 | 38.2 | 872 | 38.2 |
| 453.povray | 4 | 668 | 31.8 | 669 | 31.8 | 669 | 31.8 | 4 | 503 | 42.3 | 503 | 42.3 | 504 | 42.2 |
| 454.calculix | 4 | 851 | 38.8 | 852 | 38.7 | 853 | 38.7 | 4 | 728 | 45.3 | 731 | 45.1 | 731 | 45.1 |
| 459.GemsFDTD | 4 | 1398 | 30.4 | 1372 | 30.9 | 1370 | 31.0 | 4 | 1340 | 31.7 | 1344 | 31.6 | 1339 | 31.7 |
| 465.tonto | 4 | 1988 | 19.8 | 1971 | 20.0 | 1995 | 19.7 | 4 | 862 | 45.7 | 859 | 45.8 | 859 | 45.8 |
| 470.lbm | 4 | 1461 | 37.6 | 1461 | 37.6 | 1460 | 37.6 | 4 | 1460 | 37.6 | 1461 | 37.6 | 1461 | 37.6 |
| 481.wrf | 4 | 1538 | 29.1 | 1538 | 29.0 | 1536 | 29.1 | 4 | 1207 | 37.0 | 1206 | 37.1 | 1207 | 37.0 |
| 482.sphinx3 | 4 | 1498 | 52.0 | 1497 | 52.1 | 1494 | 52.2 | 4 | 1453 | 53.7 | 1453 | 53.7 | 1457 | 53.5 |
General Notes
kernel release 2.6.18-53.el5.
See flags file for details on following settings.
ulimit -s (stack) set to 262144.
Approved srcalt wrfv22 used for 481.wrf
Large pages reserved as follows by root user:
echo 265 > /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
433.milc 435.gromacs 436.cactusADM 453.povray 465.tonto 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: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qnoenablevmx -lhugetlbfs |
| 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: | -Wl,-q -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: | -Wl,-q -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 |