| CPU2006 license: | 11 | Test date: | Oct-2010 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | Sep-2010 |
| Tested by: | IBM Corporation | Software Availability: | Nov-2010 |
| Hardware | |
|---|---|
| CPU Name: | POWER7 |
| CPU Characteristics: | Intelligent Energy Optimization enabled, up to 4.14 GHz |
| CPU MHz: | 4004 |
| FPU: | Integrated |
| CPU(s) enabled: | 256 cores, 32 chips, 8 cores/chip, 4 threads/core |
| CPU(s) orderable: | 32,64,96,128,160,192,224,256 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: | None |
| Memory: | 2 TB (256x8 GB) DDR3 1066 MHz |
| Disk Subsystem: | 17x146.8 GB Raid0 SAS SFF 15K RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | Red Hat Enterprise Linux Server release 6.0 (ppc64), Kernel 2.6.32-71.el6.ppc64 |
| Compiler: | IBM XL C/C++ for Linux, V11.1 Updated with the Nov2010 PTF |
| Auto Parallel: | No |
| File System: | ext2 |
| System State: | Run level 3 (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 | 1024 | 1283 | 7800 | 1348 | 7420 | 1281 | 7810 | 1024 | 1177 | 8500 | 1096 | 9130 | 1170 | 8550 |
| 401.bzip2 | 1024 | 1323 | 7470 | 1301 | 7600 | 1321 | 7480 | 1024 | 1227 | 8050 | 1215 | 8130 | 1206 | 8190 |
| 403.gcc | 1024 | 946 | 8720 | 945 | 8720 | 938 | 8790 | 1024 | 901 | 9140 | 910 | 9060 | 912 | 9040 |
| 429.mcf | 1024 | 694 | 13500 | 708 | 13200 | 699 | 13400 | 512 | 339 | 13800 | 335 | 13900 | 341 | 13700 |
| 445.gobmk | 1024 | 1006 | 10700 | 1022 | 10500 | 1018 | 10600 | 1024 | 836 | 12900 | 850 | 12600 | 852 | 12600 |
| 456.hmmer | 1024 | 1063 | 8990 | 1044 | 9150 | 1044 | 9150 | 1024 | 612 | 15600 | 598 | 16000 | 594 | 16100 |
| 458.sjeng | 1024 | 1209 | 10200 | 1205 | 10300 | 1209 | 10300 | 1024 | 1105 | 11200 | 1106 | 11200 | 1110 | 11200 |
| 462.libquantum | 1024 | 1149 | 18500 | 1150 | 18500 | 1155 | 18400 | 512 | 522 | 20300 | 521 | 20400 | 521 | 20400 |
| 464.h264ref | 1024 | 1730 | 13100 | 1777 | 12800 | 1786 | 12700 | 1024 | 1626 | 13900 | 1650 | 13700 | 1656 | 13700 |
| 471.omnetpp | 1024 | 992 | 6450 | 994 | 6440 | 1005 | 6370 | 1024 | 972 | 6580 | 973 | 6580 | 973 | 6580 |
| 473.astar | 1024 | 859 | 8360 | 857 | 8390 | 858 | 8380 | 1024 | 777 | 9250 | 770 | 9340 | 775 | 9270 |
| 483.xalancbmk | 1024 | 682 | 10400 | 633 | 11200 | 659 | 10700 | 1024 | 607 | 11600 | 565 | 12500 | 567 | 12500 |
Peak Tuning Notes
Post-Link 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.
ulimit -n (open files) set to 20480.
ulimit -u (user processes) set to unlimited.
Large pages reserved as follows by root user:
echo 56320 > /proc/sys/vm/nr_overcommit_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 -qalias=noansi -qalloca -lhugetlbfs |
C++ benchmarks:
| -O5 -qrtti -lsmartheap -lhugetlbfs |
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 -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 -qalloca -lhugetlbfs |
| 429.mcf: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -lhugetlbfs |
| 445.gobmk: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -lhugetlbfs |
| 456.hmmer: | -Wl,-q -O5 -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 -q64 -lhugetlbfs |
| 464.h264ref: | Same as 429.mcf |
C++ benchmarks:
| 471.omnetpp: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qrtti -lhugetlbfs -lsmartheap |
| 473.astar: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -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 -lhugetlbfs -lsmartheap |