| CPU2006 license: | 11 | Test date: | May-2011 |
|---|---|---|---|
| Test sponsor: | IBM Corporation | Hardware Availability: | May-2011 |
| Tested by: | IBM Corporation | Software Availability: | Jan-2011 |
| Hardware | |
|---|---|
| CPU Name: | Intel Xeon E7-4807 |
| CPU Characteristics: | |
| CPU MHz: | 1867 |
| FPU: | Integrated |
| CPU(s) enabled: | 12 cores, 2 chips, 6 cores/chip, 2 threads/core |
| CPU(s) orderable: | 1,2 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: | 18 MB I+D on chip per chip |
| Other Cache: | None |
| Memory: | 256 GB (32 x 8 GB 4Rx8 PC3-8500R-7, ECC, running at 800 MHz) |
| Disk Subsystem: | 1 x 300 GB SAS, 10000 RPM |
| 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 | 660 | 14.8 | 664 | 14.7 | 669 | 14.6 | 590 | 16.6 | 586 | 16.7 | 596 | 16.4 |
| 401.bzip2 | 890 | 10.8 | 890 | 10.8 | 890 | 10.8 | 849 | 11.4 | 850 | 11.4 | 848 | 11.4 |
| 403.gcc | 556 | 14.5 | 551 | 14.6 | 554 | 14.5 | 539 | 14.9 | 538 | 15.0 | 552 | 14.6 |
| 429.mcf | 366 | 24.9 | 367 | 24.8 | 367 | 24.8 | 335 | 27.3 | 334 | 27.3 | 334 | 27.3 |
| 445.gobmk | 777 | 13.5 | 772 | 13.6 | 765 | 13.7 | 744 | 14.1 | 749 | 14.0 | 739 | 14.2 |
| 456.hmmer | 351 | 26.6 | 351 | 26.6 | 351 | 26.6 | 345 | 27.0 | 345 | 27.0 | 345 | 27.0 |
| 458.sjeng | 831 | 14.6 | 832 | 14.5 | 826 | 14.6 | 831 | 14.6 | 832 | 14.5 | 826 | 14.6 |
| 462.libquantum | 33.6 | 617 | 44.0 | 471 | 34.4 | 603 | 33.6 | 617 | 44.0 | 471 | 34.4 | 603 |
| 464.h264ref | 1036 | 21.4 | 1012 | 21.9 | 1009 | 21.9 | 966 | 22.9 | 965 | 22.9 | 965 | 22.9 |
| 471.omnetpp | 498 | 12.6 | 490 | 12.8 | 491 | 12.7 | 378 | 16.5 | 380 | 16.5 | 381 | 16.4 |
| 473.astar | 515 | 13.6 | 512 | 13.7 | 511 | 13.7 | 515 | 13.6 | 512 | 13.7 | 511 | 13.7 |
| 483.xalancbmk | 317 | 21.7 | 323 | 21.4 | 324 | 21.3 | 317 | 21.7 | 323 | 21.4 | 324 | 21.3 |
Operating System Notes
'ulimit -s unlimited' was used to set the stacksize to unlimited 'nodev /mnt/hugepages hugetlbfs defaults 0 0' added to /etc/fstab echo 900 > /proc/sys/vm/nr_hugepages export HUGETLB_MORECORE=yes export LD_PRELOAD=/usr/lib64/libhugetlbfs.so
General Notes
OMP_NUM_THREADS set to number of cores Binaries compiled on RHEL 5.5
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 |