| CPU2006 license: | 11 | Test date: | Mar-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: | 1 core, 1 chip, 2 cores/chip |
| 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | 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 | 428 | 31.8 | 428 | 31.7 | 428 | 31.8 | 271 | 50.1 | 270 | 50.4 | 270 | 50.4 |
| 416.gamess | 1723 | 11.4 | 1723 | 11.4 | 1727 | 11.3 | 1628 | 12.0 | 1628 | 12.0 | 1628 | 12.0 |
| 433.milc | 558 | 16.4 | 558 | 16.4 | 559 | 16.4 | 519 | 17.7 | 519 | 17.7 | 519 | 17.7 |
| 434.zeusmp | 892 | 10.2 | 891 | 10.2 | 891 | 10.2 | 429 | 21.2 | 429 | 21.2 | 429 | 21.2 |
| 435.gromacs | 843 | 8.47 | 843 | 8.47 | 844 | 8.46 | 706 | 10.1 | 706 | 10.1 | 706 | 10.1 |
| 436.cactusADM | 786 | 15.2 | 787 | 15.2 | 788 | 15.2 | 567 | 21.1 | 565 | 21.1 | 566 | 21.1 |
| 437.leslie3d | 421 | 22.3 | 423 | 22.2 | 423 | 22.2 | 399 | 23.6 | 399 | 23.6 | 398 | 23.6 |
| 444.namd | 729 | 11.0 | 729 | 11.0 | 729 | 11.0 | 702 | 11.4 | 702 | 11.4 | 702 | 11.4 |
| 447.dealII | 616 | 18.6 | 616 | 18.6 | 616 | 18.6 | 594 | 19.3 | 594 | 19.3 | 594 | 19.3 |
| 450.soplex | 581 | 14.4 | 582 | 14.3 | 581 | 14.3 | 569 | 14.7 | 569 | 14.7 | 569 | 14.7 |
| 453.povray | 520 | 10.2 | 520 | 10.2 | 520 | 10.2 | 412 | 12.9 | 412 | 12.9 | 412 | 12.9 |
| 454.calculix | 653 | 12.6 | 653 | 12.6 | 653 | 12.6 | 548 | 15.0 | 548 | 15.0 | 549 | 15.0 |
| 459.GemsFDTD | 773 | 13.7 | 773 | 13.7 | 773 | 13.7 | 616 | 17.2 | 616 | 17.2 | 615 | 17.2 |
| 465.tonto | 1655 | 5.95 | 1655 | 5.95 | 1655 | 5.95 | 677 | 14.5 | 678 | 14.5 | 678 | 14.5 |
| 470.lbm | 370 | 37.2 | 370 | 37.1 | 370 | 37.2 | 370 | 37.2 | 370 | 37.1 | 370 | 37.2 |
| 481.wrf | 1264 | 8.84 | 1264 | 8.84 | 1264 | 8.84 | 872 | 12.8 | 872 | 12.8 | 872 | 12.8 |
| 482.sphinx3 | 909 | 21.4 | 909 | 21.4 | 907 | 21.5 | 808 | 24.1 | 807 | 24.2 | 810 | 24.1 |
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 70 > /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
Linux booted with the options:
maxcpus=1 smt-enabled=off
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: | basepeak = yes |
| 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 |