| CPU2006 license: | 13 | Test date: | Jul-2011 |
|---|---|---|---|
| Test sponsor: | Intel Corporation | Hardware Availability: | May-2011 |
| Tested by: | Intel Corporation | Software Availability: | Apr-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: | 4 GB (2 x 2 GB 2Rx8 PC3-10600U-9) |
| Disk Subsystem: | Seagate 1 TB SATA, 7200 RPM |
| Other Hardware: | None |
| Software | |
|---|---|
| Operating System: | Windows 7 Ultimate (64-bit) |
| Compiler: | Intel C++ Compiler XE for Intel64 Version 12.0.3.176 Build 20110309 Microsoft Visual Studio 2008 Professional SP1 (for libraries) |
| Auto Parallel: | Yes |
| File System: | NTFS |
| System State: | Default |
| Base Pointers: | 32/64-bit |
| Peak Pointers: | 32/64-bit |
| Other Software: | SmartHeap Library Version 9.01 from http://www.microquill.com/ |
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 | 439 | 22.2 | 437 | 22.4 | 438 | 22.3 | 350 | 27.9 | 350 | 27.9 | 350 | 27.9 |
| 401.bzip2 | 555 | 17.4 | 565 | 17.1 | 586 | 16.5 | 556 | 17.4 | 558 | 17.3 | 578 | 16.7 |
| 403.gcc | 360 | 22.4 | 360 | 22.4 | 360 | 22.4 | 337 | 23.9 | 337 | 23.9 | 337 | 23.9 |
| 429.mcf | 241 | 37.9 | 241 | 37.9 | 241 | 37.8 | 241 | 37.9 | 240 | 38.0 | 241 | 37.9 |
| 445.gobmk | 498 | 21.1 | 497 | 21.1 | 497 | 21.1 | 491 | 21.4 | 491 | 21.4 | 491 | 21.4 |
| 456.hmmer | 226 | 41.4 | 228 | 40.9 | 226 | 41.4 | 220 | 42.4 | 220 | 42.4 | 223 | 41.9 |
| 458.sjeng | 551 | 22.0 | 551 | 22.0 | 551 | 22.0 | 545 | 22.2 | 545 | 22.2 | 547 | 22.1 |
| 462.libquantum | 55.6 | 373 | 55.6 | 373 | 55.6 | 373 | 55.6 | 373 | 55.6 | 373 | 55.6 | 373 |
| 464.h264ref | 483 | 45.8 | 483 | 45.9 | 483 | 45.8 | 442 | 50.0 | 442 | 50.1 | 442 | 50.0 |
| 471.omnetpp | 313 | 19.9 | 314 | 19.9 | 314 | 19.9 | 290 | 21.5 | 291 | 21.5 | 291 | 21.5 |
| 473.astar | 338 | 20.8 | 338 | 20.8 | 338 | 20.8 | 338 | 20.8 | 338 | 20.8 | 338 | 20.8 |
| 483.xalancbmk | 290 | 23.8 | 290 | 23.8 | 290 | 23.8 | 290 | 23.8 | 290 | 23.8 | 290 | 23.8 |
General Notes
Tested systems can be used with Shin-G ATX case, PC Power and Cooling 1200W power supply OMP_NUM_THREADS set to number of processors cores KMP_AFFINITY set to granularity=fine,scatter
Base Portability Flags
| 400.perlbench: | -DSPEC_CPU_P64 -DSPEC_CPU_WIN64_X64 -DSPEC_CPU_NO_NEED_VA_COPY |
| 401.bzip2: | -DSPEC_CPU_P64 |
| 403.gcc: | -DSPEC_CPU_P64 -DSPEC_CPU_WIN64 |
| 429.mcf: | -DSPEC_CPU_P64 |
| 445.gobmk: | -DSPEC_CPU_P64 |
| 456.hmmer: | -DSPEC_CPU_P64 |
| 458.sjeng: | -DSPEC_CPU_P64 |
| 462.libquantum: | -DSPEC_CPU_P64 |
| 464.h264ref: | -DSPEC_CPU_P64 -DWIN32 -DSPEC_CPU_NO_INTTYPES |
| 471.omnetpp: | -DSPEC_CPU_P64 -DSPEC_CPU_WIN64 |
| 473.astar: | -DSPEC_CPU_P64 |
| 483.xalancbmk: | -DSPEC_CPU_P64 -Qoption,cpp,--no_wchar_t_keyword |
Base Optimization Flags
C benchmarks:
| -QxSSE4.2 -Qipo -O3 -Qprec-div- -Qopt-prefetch -Qparallel -Qauto-ilp32 /F512000000 |
C++ benchmarks:
| -QxSSE4.2 -Qipo -O3 -Qprec-div- -Qopt-prefetch -Qcxx-features -Qauto-ilp32 /F512000000 shlW64M.lib -link /FORCE:MULTIPLE |
Peak Portability Flags
Same as Base Portability Flags
Peak Optimization Flags
C benchmarks:
C++ benchmarks:
| 471.omnetpp: | -QxSSE4.2(pass 2) -Qprof_gen(pass 1) -Qprof_use(pass 2) -Qipo -O3 -Qprec-div- -Qansi-alias -Qopt-ra-region-strategy=block -Qauto-ilp32 /F512000000 shlW64M.lib -link /FORCE:MULTIPLE |
| 473.astar: | basepeak = yes |
| 483.xalancbmk: | basepeak = yes |