| 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: | 1 core, 1 chip, 2 cores/chip |
| 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 339 | 40.1 | 339 | 40.1 | 339 | 40.1 | 203 | 66.8 | 202 | 67.2 | 202 | 67.3 |
| 416.gamess | 1400 | 14.0 | 1400 | 14.0 | 1401 | 14.0 | 1322 | 14.8 | 1322 | 14.8 | 1322 | 14.8 |
| 433.milc | 463 | 19.8 | 463 | 19.8 | 463 | 19.8 | 458 | 20.0 | 458 | 20.0 | 458 | 20.0 |
| 434.zeusmp | 720 | 12.6 | 722 | 12.6 | 720 | 12.6 | 344 | 26.4 | 344 | 26.4 | 344 | 26.4 |
| 435.gromacs | 683 | 10.4 | 683 | 10.4 | 684 | 10.4 | 568 | 12.6 | 568 | 12.6 | 568 | 12.6 |
| 436.cactusADM | 634 | 18.9 | 634 | 18.8 | 633 | 18.9 | 482 | 24.8 | 481 | 24.8 | 482 | 24.8 |
| 437.leslie3d | 317 | 29.6 | 320 | 29.4 | 316 | 29.7 | 301 | 31.2 | 301 | 31.2 | 301 | 31.2 |
| 444.namd | 592 | 13.5 | 592 | 13.5 | 592 | 13.5 | 569 | 14.1 | 569 | 14.1 | 569 | 14.1 |
| 447.dealII | 497 | 23.0 | 497 | 23.0 | 497 | 23.0 | 480 | 23.8 | 480 | 23.8 | 480 | 23.8 |
| 450.soplex | 399 | 20.9 | 399 | 20.9 | 399 | 20.9 | 390 | 21.4 | 390 | 21.4 | 390 | 21.4 |
| 453.povray | 423 | 12.6 | 423 | 12.6 | 423 | 12.6 | 345 | 15.4 | 345 | 15.4 | 345 | 15.4 |
| 454.calculix | 526 | 15.7 | 526 | 15.7 | 526 | 15.7 | 441 | 18.7 | 441 | 18.7 | 441 | 18.7 |
| 459.GemsFDTD | 631 | 16.8 | 631 | 16.8 | 631 | 16.8 | 498 | 21.3 | 497 | 21.3 | 498 | 21.3 |
| 465.tonto | 1333 | 7.38 | 1333 | 7.38 | 1333 | 7.38 | 561 | 17.6 | 561 | 17.6 | 561 | 17.5 |
| 470.lbm | 266 | 51.7 | 266 | 51.7 | 266 | 51.7 | 256 | 53.7 | 256 | 53.7 | 256 | 53.7 |
| 481.wrf | 1019 | 11.0 | 1019 | 11.0 | 1019 | 11.0 | 909 | 12.3 | 909 | 12.3 | 909 | 12.3 |
| 482.sphinx3 | 618 | 31.6 | 618 | 31.5 | 619 | 31.5 | 536 | 36.3 | 536 | 36.3 | 537 | 36.3 |
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 200 > /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
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: | -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qnoenablevmx -B/usr/share/libhugetlbfs/ -tl -Wl,--hugetlbfs-link=BDT |
| 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 |