SPEC® CFP2006 Result

IBM Corporation

IBM System x3850 X5 (Intel Xeon E7-8837)

SPECfp®2006 = 60.8

SPECfp_base2006 = 56.6

CPU2006 license:	11	Test date:	Apr-2011
Test sponsor:	IBM Corporation	Hardware Availability:	May-2011
Tested by:	IBM Corporation	Software Availability:	Apr-2011

Hardware
CPU Name:	Intel Xeon E7-8837
CPU Characteristics:	Intel Turbo Boost Technology up to 2.8 GHz
CPU MHz:	2667
FPU:	Integrated
CPU(s) enabled:	32 cores, 4 chips, 8 cores/chip
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:	512 GB (64 x 8 GB 4Rx8 PC3-8500R-7, ECC)
Disk Subsystem:	2 x 147 GB 15k RPM SAS, 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++ and Fortran Intel 64 Compiler XE for applications running on Intel 64 Version 12.0 Update 3
Auto Parallel:	Yes
File System:	ext3
System State:	Run level 3 (multi-user)
Base Pointers:	64-bit
Peak Pointers:	32/64-bit
Other Software:	None

Results Table

Benchmark	Base						Peak
Benchmark	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.
410.bwaves	27.1	502	27.3	498	27.7	491	27.1	502	27.3	498	27.7	491
416.gamess	1050	18.7	1044	18.8	1059	18.5	842	23.3	843	23.2	843	23.2
433.milc	317	29.0	309	29.7	307	29.9	311	29.5	311	29.5	311	29.5
434.zeusmp	86.5	105	86.3	105	87.5	104	86.5	105	86.3	105	87.5	104
435.gromacs	389	18.4	392	18.2	389	18.3	364	19.6	363	19.6	363	19.6
436.cactusADM	29.5	406	28.5	420	28.3	423	29.5	406	28.5	420	28.3	423
437.leslie3d	47.2	199	53.4	176	51.0	184	47.2	199	53.4	176	51.0	184
444.namd	493	16.3	492	16.3	492	16.3	484	16.6	484	16.6	484	16.6
447.dealII	350	32.7	350	32.7	350	32.7	350	32.7	350	32.7	350	32.7
450.soplex	338	24.6	358	23.3	327	25.5	338	24.6	358	23.3	327	25.5
453.povray	208	25.5	207	25.6	207	25.7	162	32.7	163	32.6	168	31.7
454.calculix	351	23.5	353	23.4	350	23.6	296	27.8	297	27.8	297	27.8
459.GemsFDTD	91.3	116	95.7	111	115	92.0	89.4	119	80.2	132	137	77.3
465.tonto	494	19.9	492	20.0	516	19.1	350	28.1	350	28.1	350	28.1
470.lbm	22.0	624	22.4	613	25.8	532	22.0	624	22.4	613	25.8	532
481.wrf	356	31.3	351	31.9	354	31.5	356	31.3	351	31.9	354	31.5
482.sphinx3	430	45.4	433	45.0	429	45.4	390	49.9	392	49.8	391	49.8

Operating System Notes

 'ulimit -s unlimited' was used to set the stacksize to unlimited prior to run
 echo 1 > /proc/sys/vm/zone_reclaim_mode
 '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 Compiler Invocation

C benchmarks:

icc -m64

C++ benchmarks:

icpc -m64

Fortran benchmarks:

ifort -m64

Benchmarks using both Fortran and C:

icc -m64 ifort -m64

Base Portability Flags

410.bwaves:	-DSPEC_CPU_LP64
416.gamess:	-DSPEC_CPU_LP64
433.milc:	-DSPEC_CPU_LP64
434.zeusmp:	-DSPEC_CPU_LP64
435.gromacs:	-DSPEC_CPU_LP64 -nofor_main
436.cactusADM:	-DSPEC_CPU_LP64 -nofor_main
437.leslie3d:	-DSPEC_CPU_LP64
444.namd:	-DSPEC_CPU_LP64
447.dealII:	-DSPEC_CPU_LP64
450.soplex:	-DSPEC_CPU_LP64
453.povray:	-DSPEC_CPU_LP64
454.calculix:	-DSPEC_CPU_LP64 -nofor_main
459.GemsFDTD:	-DSPEC_CPU_LP64
465.tonto:	-DSPEC_CPU_LP64
470.lbm:	-DSPEC_CPU_LP64
481.wrf:	-DSPEC_CPU_LP64 -DSPEC_CPU_CASE_FLAG -DSPEC_CPU_LINUX
482.sphinx3:	-DSPEC_CPU_LP64

Peak Compiler Invocation

C benchmarks:

icc -m64

C++ benchmarks:

icpc -m64

Fortran benchmarks:

ifort -m64

Benchmarks using both Fortran and C:

icc -m64 ifort -m64

Peak Portability Flags

Same as Base Portability Flags

Peak Optimization Flags

C benchmarks:

433.milc:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -static -auto-ilp32 -ansi-alias
470.lbm:	basepeak = yes
482.sphinx3:	-xSSE4.2 -ipo -O3 -no-prec-div -unroll2 -ansi-alias -parallel

C++ benchmarks:

444.namd:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -fno-alias -auto-ilp32
447.dealII:	basepeak = yes
450.soplex:	basepeak = yes
453.povray:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -unroll4 -ansi-alias -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT

Fortran benchmarks:

410.bwaves:	basepeak = yes
416.gamess:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -unroll2 -inline-level=0 -scalar-rep- -static
434.zeusmp:	basepeak = yes
437.leslie3d:	basepeak = yes
459.GemsFDTD:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -unroll2 -inline-level=0 -opt-prefetch -parallel -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT
465.tonto:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -inline-calloc -opt-malloc-options=3 -auto -unroll4 -B /usr/share/libhugetlbfs/ -Wl,-melf_x86_64 -Wl,-hugetlbfs-link=BDT

Benchmarks using both Fortran and C:

435.gromacs:	-xSSE4.2(pass 2) -prof-gen(pass 1) -ipo(pass 2) -O3(pass 2) -no-prec-div(pass 2) -prof-use(pass 2) -static -auto-ilp32 -ansi-alias
436.cactusADM:	basepeak = yes
454.calculix:	-xSSE4.2 -ipo -O3 -no-prec-div -auto-ilp32 -ansi-alias
481.wrf:	basepeak = yes

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2006/flags/Intel-ic12.0-linux64-revB.html,
http://www.spec.org/cpu2006/flags/IBM-platform-linux64-revA.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2006/flags/Intel-ic12.0-linux64-revB.xml,
http://www.spec.org/cpu2006/flags/IBM-platform-linux64-revA.xml.