| CPU2006 license: | 001176 | Test date: | Apr-2012 |
|---|---|---|---|
| Test sponsor: | Supermicro | Hardware Availability: | Apr-2011 |
| Tested by: | Supermicro | Software Availability: | Oct-2011 |
| Hardware | |
|---|---|
| CPU Name: | Intel Pentium G840 |
| CPU Characteristics: | |
| CPU MHz: | 2800 |
| FPU: | Integrated |
| CPU(s) enabled: | 2 cores, 1 chip, 2 cores/chip |
| CPU(s) orderable: | 1 chip |
| Primary Cache: | 32 KB I + 32 KB D on chip per core |
| Secondary Cache: | 256 KB I+D on chip per core |
| L3 Cache: | 3 MB I+D on chip per chip |
| Other Cache: | None |
| Memory: | 8 GB (2 x 4 GB 2Rx8 PC3-10600E-9, ECC) |
| Disk Subsystem: | 1 x 500 GB SATA II, 7200 RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | Red Hat Enterprise Linux Server Release 6.1, Kernel 2.6.32-131.0.15.x86_64 |
| Compiler: | C/C++: Version 12.1.0.225 of Intel C++ Studio XE for Linux |
| Auto Parallel: | Yes |
| File System: | ext4 |
| 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 | 408 | 24.0 | 406 | 24.0 | 406 | 24.0 | 339 | 28.8 | 339 | 28.9 | 339 | 28.8 |
| 401.bzip2 | 529 | 18.2 | 529 | 18.3 | 527 | 18.3 | 511 | 18.9 | 513 | 18.8 | 513 | 18.8 |
| 403.gcc | 315 | 25.6 | 314 | 25.6 | 315 | 25.6 | 310 | 26.0 | 310 | 26.0 | 310 | 25.9 |
| 429.mcf | 190 | 48.1 | 186 | 48.9 | 187 | 48.8 | 190 | 48.1 | 186 | 48.9 | 187 | 48.8 |
| 445.gobmk | 492 | 21.3 | 492 | 21.3 | 492 | 21.3 | 496 | 21.1 | 496 | 21.2 | 496 | 21.2 |
| 456.hmmer | 220 | 42.4 | 220 | 42.4 | 220 | 42.4 | 213 | 43.8 | 213 | 43.8 | 213 | 43.8 |
| 458.sjeng | 516 | 23.4 | 515 | 23.5 | 515 | 23.5 | 515 | 23.5 | 516 | 23.5 | 515 | 23.5 |
| 462.libquantum | 47.5 | 437 | 47.5 | 437 | 47.5 | 437 | 47.5 | 437 | 47.5 | 437 | 47.5 | 437 |
| 464.h264ref | 542 | 40.8 | 545 | 40.6 | 548 | 40.4 | 500 | 44.3 | 501 | 44.2 | 499 | 44.3 |
| 471.omnetpp | 294 | 21.3 | 294 | 21.3 | 293 | 21.3 | 249 | 25.1 | 249 | 25.1 | 251 | 24.9 |
| 473.astar | 311 | 22.6 | 311 | 22.6 | 311 | 22.6 | 311 | 22.6 | 311 | 22.6 | 311 | 22.6 |
| 483.xalancbmk | 188 | 36.7 | 188 | 36.7 | 188 | 36.6 | 168 | 41.1 | 168 | 41.2 | 167 | 41.3 |
Operating System Notes
Stack size set to unlimited using "ulimit -s unlimited" Transparent Huge Pages enabled with: echo always > /sys/kernel/mm/redhat_transparent_hugepage/enabled
General Notes
Environment variables set by runspec before the start of the run: KMP_AFFINITY = "granularity=fine,scatter" LD_LIBRARY_PATH = "/home/usr/cpu2006/libs/32:/home/usr/cpu2006/libs/64" OMP_NUM_THREADS = "2" Binaries compiled on a system with 1x Core i7-860 CPU + 8GB memory using 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 |
C++ benchmarks:
| -xSSE4.2 -ipo -O3 -no-prec-div -opt-prefetch -auto-p32 -Wl,-z,muldefs -L/smartheap -lsmartheap64 |
Peak Compiler Invocation
C benchmarks (except as noted below):
| icc -m64 | |
| 400.perlbench: | icc -m32 |
| 445.gobmk: | icc -m32 |
| 464.h264ref: | icc -m32 |
C++ benchmarks (except as noted below):
| icpc -m32 | |
| 473.astar: | icpc -m64 |
Peak Portability Flags
| 400.perlbench: | -DSPEC_CPU_LINUX_IA32 |
| 401.bzip2: | -DSPEC_CPU_LP64 |
| 403.gcc: | -DSPEC_CPU_LP64 |
| 429.mcf: | -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_LINUX |
Peak Optimization Flags
C benchmarks:
| 400.perlbench: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -opt-prefetch -ansi-alias |
| 401.bzip2: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div -prof-use(pass 2) -auto-ilp32 -opt-prefetch -ansi-alias |
| 403.gcc: | -xSSE4.2 -ipo -O3 -no-prec-div -inline-calloc -opt-malloc-options=3 -auto-ilp32 |
| 429.mcf: | basepeak = yes |
| 445.gobmk: | -xSSE4.2(pass 2) -prof-gen(pass 1) -prof-use(pass 2) -ansi-alias |
| 456.hmmer: | -xSSE4.2 -ipo -O3 -no-prec-div -unroll2 -auto-ilp32 -ansi-alias |
| 458.sjeng: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -unroll4 |
| 462.libquantum: | basepeak = yes |
| 464.h264ref: | -xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -unroll2 -ansi-alias |
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 |
| 473.astar: | basepeak = yes |
| 483.xalancbmk: | -xSSE4.2 -ipo -O3 -no-prec-div -opt-prefetch -ansi-alias -Wl,-z,muldefs -L/smartheap -lsmartheap |