| CPU2006 license: | 11 | Test date: | Sep-2010 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Sep-2010 |
| Tested by: | IBM Corporation | Software Availability: | Aug-2010 |
| Hardware | |
|---|---|
| CPU Name: | POWER7 |
| CPU Characteristics: | TurboCore mode |
| CPU MHz: | 4256 |
| FPU: | Integrated |
| CPU(s) enabled: | 128 cores, 32 chips, 4 cores/chip, 4 threads/core |
| CPU(s) orderable: | 48 - 128 cores |
| Primary Cache: | 32 KB I + 32 KB D on chip per core |
| Secondary Cache: | 256 KB I+D on chip per core |
| L3 Cache: | 4 MB I+D on chip per core |
| Other Cache: | 16 MB I+D on chip per chip |
| Memory: | 2 TB (256x8 GB) DDR3 1066 MHz |
| Disk Subsystem: | 17x146.8 GB Raid0 SAS SFF 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | SUSE Linux Enterprise Server 11 SP1 (ppc64), Kernel 2.6.32.12-0.7-ppc64 |
| Compiler: | IBM XL C/C++ for Linux, V11.1 |
| Auto Parallel: | No |
| File System: | xfs |
| System State: | Run level 5 (multi-user) |
| Base Pointers: | 32-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | -Post-Link Optimization for Linux on POWER, Version 5.5.0-3 -MicroQuill SmartHeap 9 |
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. | ||||||||||||||
| 400.perlbench | 512 | 1232 | 4060 | 1237 | 4050 | 1224 | 4090 | 512 | 1044 | 4790 | 1043 | 4800 | 1045 | 4790 |
| 401.bzip2 | 512 | 1172 | 4210 | 1176 | 4200 | 1168 | 4230 | 512 | 1106 | 4470 | 1109 | 4460 | 1104 | 4480 |
| 403.gcc | 512 | 825 | 5000 | 825 | 5000 | 827 | 4980 | 512 | 789 | 5230 | 790 | 5220 | 792 | 5210 |
| 429.mcf | 512 | 712 | 6560 | 714 | 6540 | 713 | 6550 | 128 | 157 | 7440 | 157 | 7460 | 156 | 7460 |
| 445.gobmk | 512 | 969 | 5540 | 970 | 5540 | 971 | 5530 | 512 | 829 | 6480 | 827 | 6490 | 828 | 6490 |
| 456.hmmer | 512 | 1002 | 4770 | 1001 | 4770 | 1002 | 4770 | 512 | 550 | 8680 | 547 | 8730 | 549 | 8700 |
| 458.sjeng | 512 | 1157 | 5350 | 1160 | 5340 | 1157 | 5350 | 512 | 1054 | 5880 | 1051 | 5890 | 1061 | 5840 |
| 462.libquantum | 512 | 626 | 17000 | 626 | 16900 | 624 | 17000 | 512 | 574 | 18500 | 574 | 18500 | 575 | 18400 |
| 464.h264ref | 512 | 1720 | 6590 | 1693 | 6690 | 1733 | 6540 | 512 | 1610 | 7040 | 1614 | 7020 | 1609 | 7040 |
| 471.omnetpp | 512 | 1198 | 2670 | 1198 | 2670 | 1196 | 2680 | 512 | 1187 | 2700 | 1184 | 2700 | 1187 | 2700 |
| 473.astar | 512 | 820 | 4380 | 822 | 4370 | 820 | 4390 | 512 | 744 | 4830 | 743 | 4840 | 747 | 4810 |
| 483.xalancbmk | 512 | 664 | 5320 | 664 | 5320 | 666 | 5300 | 512 | 588 | 6010 | 590 | 5990 | 588 | 6010 |
Peak Tuning Notes
fdpr binary optimization tool used for:
400.perlbench
with options -O4 -omullX for optimization phase,
and -imullX for instrumentation phase
401.bzip2
with options -O4 -vrox
403.gcc
with options -O4 -nodp -rtb
429.mcf 445.gobmk 458.sjeng 473.astar
with options -O3
456.hmmer
with options -O4 -nodp -m power7
462.libquantum
with options -O4 -vrox -nodp
464.h264ref
with options -O4 -vrox -nodp -rtb
471.omnetpp
with options -O3 -lu -1 -nodp -sdp 9
483.xalancbmk
with options -O3 -m power7
Submit Notes
The config file option 'submit' was used. Benchmarks bound to a processor using numactl on the submit command.
Operating System Notes
ulimit -s (stack) set to 1048576.
Large pages reserved as follows by root user:
echo 28160 > /proc/sys/vm/nr_hugepages
The following environment varibles were set before the runspec command:
export HUGETLB_VERBOSE=0
export HUGETLB_MORECORE=yes
export XLFRTEOPTS=intrinthds=1
Base Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_PPC |
| 462.libquantum: | -DSPEC_CPU_LINUX |
| 464.h264ref: | -qchars=signed |
| 483.xalancbmk: | -DSPEC_CPU_LINUX |
Base Optimization Flags
C benchmarks:
| -O5 -qarch=pwr7 -qtune=pwr7 -qalias=noansi -qalloca -lhugetlbfs |
C++ benchmarks:
| -O5 -qarch=pwr7 -qtune=pwr7 -qrtti -lsmartheap |
Base Other Flags
C benchmarks:
| -qipa=noobject -qipa=threads |
C++ benchmarks:
| -qipa=noobject -qipa=threads |
Peak Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_PPC |
| 462.libquantum: | -DSPEC_CPU_LINUX |
| 464.h264ref: | -qchars=signed |
| 483.xalancbmk: | -DSPEC_CPU_LINUX |
Peak Optimization Flags
C benchmarks:
| 400.perlbench: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -qalias=noansi -qipa=level=2 -lsmartheap |
| 401.bzip2: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O3 -qarch=pwr7 -qtune=pwr7 -lhugetlbfs |
| 403.gcc: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -qalloca -lhugetlbfs |
| 429.mcf: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr7 -qtune=pwr7 -lhugetlbfs |
| 445.gobmk: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -lhugetlbfs |
| 456.hmmer: | -Wl,-q -O5 -qarch=pwr7 -qtune=pwr7 -qsimd -qassert=refalign -qipa=inline=threshold=2888 -qipa=inline=limit=11880 -lhugetlbfs |
| 458.sjeng: | Same as 429.mcf |
| 462.libquantum: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr7 -qtune=pwr7 -q64 -lhugetlbfs |
| 464.h264ref: | Same as 429.mcf |
C++ benchmarks:
| 471.omnetpp: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr7 -qtune=pwr7 -qrtti -lsmartheap |
| 473.astar: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -qipa=inline=threshold=2468 -qipa=inline=limit=11060 -qipa=partition=large -lhugetlbfs -lsmartheap |
| 483.xalancbmk: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr5 -qtune=pwr5 -qipa=inline=threshold=2468 -qipa=inline=limit=11060 -qipa=partition=large -lsmartheap |