| 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 3.86 GHz |
| CPU MHz: | 3556 |
| FPU: | Integrated |
| CPU(s) enabled: | 16 cores, 2 chips, 8 cores/chip, 4 threads/core |
| CPU(s) orderable: | 8,16 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: | 256 GB (32x8 GB) DDR3 1066 MHz |
| Disk Subsystem: | 4x146.8 GB Software RAID-0 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 | 64 | 1392 | 449 | 1381 | 453 | 1379 | 454 | 64 | 1202 | 520 | 1187 | 527 | 1210 | 517 |
| 401.bzip2 | 64 | 1370 | 451 | 1376 | 449 | 1365 | 452 | 64 | 1305 | 473 | 1301 | 475 | 1303 | 474 |
| 403.gcc | 64 | 1078 | 478 | 1083 | 476 | 1076 | 479 | 64 | 1008 | 511 | 1006 | 512 | 1007 | 511 |
| 429.mcf | 64 | 835 | 699 | 834 | 700 | 834 | 700 | 32 | 367 | 795 | 367 | 794 | 367 | 794 |
| 445.gobmk | 64 | 1083 | 620 | 1087 | 618 | 1083 | 620 | 64 | 904 | 742 | 904 | 743 | 901 | 745 |
| 456.hmmer | 64 | 1105 | 541 | 1106 | 540 | 1106 | 540 | 64 | 662 | 901 | 667 | 895 | 666 | 896 |
| 458.sjeng | 64 | 1274 | 608 | 1277 | 606 | 1279 | 605 | 64 | 1165 | 665 | 1173 | 660 | 1174 | 660 |
| 462.libquantum | 64 | 2133 | 622 | 2134 | 622 | 2134 | 621 | 16 | 507 | 654 | 507 | 654 | 507 | 654 |
| 464.h264ref | 64 | 1887 | 751 | 1885 | 751 | 1924 | 736 | 64 | 1802 | 786 | 1767 | 801 | 1758 | 805 |
| 471.omnetpp | 64 | 1653 | 242 | 1653 | 242 | 1655 | 242 | 64 | 1636 | 244 | 1636 | 244 | 1637 | 244 |
| 473.astar | 64 | 1124 | 400 | 1123 | 400 | 1123 | 400 | 64 | 1063 | 423 | 1059 | 424 | 1061 | 423 |
| 483.xalancbmk | 64 | 743 | 594 | 743 | 594 | 745 | 593 | 64 | 708 | 624 | 715 | 617 | 713 | 619 |
Peak Tuning Notes
IBM Post-Link Optimization tool with options "-O4 -omullX" used for 400.perlbench options "-O4 -vrox" used for 401.bzip2 options "-O4 -nodp -rtb" 403.gcc options "-O3" used for 429.mcf 445.gobmk 458.sjeng 473.astar options "-O4 -nodp -m power7" used for 456.hmmer options "-O4 -vrox -nodp" used for 462.libquantum options "-O4 -vrox -nodp -rtb" used for 464.h264ref options "-O3 -lu -1 -nodp -sdp 9" used for 471.omnetpp options "-O3 -m power7" used for 483.xalancbmk Whenever option "-omullX" was used during the optimization phase, option "-imullX" was also used during the instrumentation phase.
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 4224 > /proc/sys/vm/nr_hugepages The following environment varibles were set before the runspec command: XLFRTEOPTS=intrinthds=1 HUGETLB_VERBOSE=0 HUGETLB_MORECORE=yes HUGETLB_ELFMAP=RW
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 |
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 -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: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr7 -qtune=pwr7 -lhugetlbfs |
| 462.libquantum: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O5 -qarch=pwr7 -qtune=pwr7 -q64 -lhugetlbfs |
| 464.h264ref: | Same as 458.sjeng |
C++ benchmarks:
| 471.omnetpp: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -qrtti -lsmartheap |
| 473.astar: | -Wl,-q -qpdf1(pass 1) -qpdf2(pass 2) -O4 -qarch=pwr7 -qtune=pwr7 -lhugetlbfs -lsmartheap |
| 483.xalancbmk: | -Wl,-q -O4 -qarch=pwr7 -qtune=pwr7 -qipa=partition=large -lsmartheap |