| CPU2006 license: | 11 | Test date: | Apr-2011 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | May-2011 |
| Tested by: | IBM Corporation | Software Availability: | Jan-2011 |
| Hardware | |
|---|---|
| CPU Name: | Intel Xeon E7-4850 |
| CPU Characteristics: | Intel Turbo Boost Technology up to 2.4 GHz |
| CPU MHz: | 2000 |
| FPU: | Integrated |
| CPU(s) enabled: | 40 cores, 4 chips, 10 cores/chip, 2 threads/core |
| CPU(s) orderable: | 1,2,3,4 chips |
| Primary Cache: | 32 KB I + 32 KB D on chip per core |
| Secondary Cache: | 256 KB I+D on chip per core |
| L3 Cache: | 24 MB I+D on chip per chip |
| Other Cache: | None |
| Memory: | 256 GB (32 x 8 GB 4Rx8 PC3-8500R-7, ECC) |
| Disk Subsystem: | 4 x 50 GB SSD, RAID 0 |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | SUSE Linux Enterprise Server 11 SP1 (x86_64), Kernel 2.6.32.12-0.7-default |
| Compiler: | Intel C++ Intel 64 Compiler XE for applications running on Intel 64 Version 12.0.1.116 Build 20101116 |
| Auto Parallel: | Yes |
| File System: | ext3 |
| System State: | Run level 3 (multi-user) |
| Base Pointers: | 32/64-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | Microquill SmartHeap V9.01 |
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. | ||||||||||||
| 400.perlbench | 513 | 19.0 | 514 | 19.0 | 514 | 19.0 | 455 | 21.5 | 455 | 21.5 | 454 | 21.5 |
| 401.bzip2 | 690 | 14.0 | 735 | 13.1 | 690 | 14.0 | 659 | 14.7 | 658 | 14.7 | 659 | 14.7 |
| 403.gcc | 428 | 18.8 | 428 | 18.8 | 428 | 18.8 | 408 | 19.7 | 408 | 19.7 | 411 | 19.6 |
| 429.mcf | 303 | 30.1 | 303 | 30.1 | 303 | 30.1 | 261 | 34.9 | 261 | 34.9 | 261 | 34.9 |
| 445.gobmk | 630 | 16.7 | 637 | 16.5 | 629 | 16.7 | 571 | 18.4 | 571 | 18.4 | 610 | 17.2 |
| 456.hmmer | 272 | 34.3 | 272 | 34.3 | 272 | 34.3 | 268 | 34.8 | 268 | 34.8 | 268 | 34.8 |
| 458.sjeng | 647 | 18.7 | 647 | 18.7 | 647 | 18.7 | 628 | 19.3 | 629 | 19.2 | 628 | 19.3 |
| 462.libquantum | 23.2 | 895 | 23.4 | 887 | 23.8 | 872 | 23.2 | 895 | 23.4 | 887 | 23.8 | 872 |
| 464.h264ref | 886 | 25.0 | 882 | 25.1 | 889 | 24.9 | 751 | 29.5 | 748 | 29.6 | 749 | 29.5 |
| 471.omnetpp | 320 | 19.5 | 322 | 19.4 | 354 | 17.6 | 241 | 25.9 | 240 | 26.0 | 242 | 25.8 |
| 473.astar | 392 | 17.9 | 392 | 17.9 | 392 | 17.9 | 392 | 17.9 | 392 | 17.9 | 392 | 17.9 |
| 483.xalancbmk | 248 | 27.8 | 247 | 28.0 | 244 | 28.2 | 248 | 27.8 | 247 | 28.0 | 244 | 28.2 |
Operating System Notes
'ulimit -s unlimited' was used to set the stacksize to unlimited prior to run 'mount -t hugetlbfs nodev /mnt/hugepages' was used to enable large pages echo 900 > /proc/sys/vm/nr_hugepages export HUGETLB_MORECORE=yes export LD_PRELOAD=/usr/lib64/libhugetlbfs.so
Platform Notes
BIOS Settings: Turbo Boost Power Optimization set to Traditional
General Notes
OMP_NUM_THREADS set to number of cores Binaries were compiled on RHEL5.5
Base Portability Flags
| 400.perlbench: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX_X64 |
| 401.bzip2: | -DSPEC_CPU_LP64 |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 429.mcf: | -DSPEC_CPU_LP64 |
| 445.gobmk: | -DSPEC_CPU_LP64 |
| 456.hmmer: | -DSPEC_CPU_LP64 |
| 458.sjeng: | -DSPEC_CPU_LP64 |
| 462.libquantum: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
| 464.h264ref: | -DSPEC_CPU_LP64 |
| 471.omnetpp: | -DSPEC_CPU_LP64 |
| 473.astar: | -DSPEC_CPU_LP64 |
| 483.xalancbmk: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
Base Optimization Flags
C benchmarks:
| -xSSE4.2 -ipo -O3 -no-prec-div -parallel -opt-prefetch -auto-p32 -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT |
C++ benchmarks:
| -xSSE4.2 -ipo -O3 -no-prec-div -opt-prefetch -Wl,-z,muldefs -L/smartheap -lsmartheap64 -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT |
Peak Compiler Invocation
C benchmarks (except as noted below):
| icc -m64 | |
| 400.perlbench: | icc -m32 |
| 429.mcf: | icc -m32 |
| 445.gobmk: | icc -m32 |
| 464.h264ref: | icc -m32 |
C++ benchmarks (except as noted below):
| icpc -m64 | |
| 471.omnetpp: | icpc -m32 |
Peak Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_IA32 |
| 401.bzip2: | -DSPEC_CPU_LP64 |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 456.hmmer: | -DSPEC_CPU_LP64 |
| 458.sjeng: | -DSPEC_CPU_LP64 |
| 462.libquantum: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
| 473.astar: | -DSPEC_CPU_LP64 |
| 483.xalancbmk: | -DSPEC_CPU_LP64 -DSPEC_CPU_LINUX |
Peak Optimization Flags
C benchmarks:
C++ benchmarks:
| 471.omnetpp: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -opt-ra-region-strategy=block -ansi-alias -Wl,-z,muldefs -L/smartheap -lsmartheap -B /usr/share/libhugetlbfs/ -Wl,-hugetlbfs-link=BDT |
| 473.astar: | basepeak = yes |
| 483.xalancbmk: | basepeak = yes |