SPEC® CPU2017 Floating Point Speed Result

Copyright 2017 Standard Performance Evaluation Corporation

Lenovo Global Technology

ThinkSystem SN850
(2.60 GHz, Intel Xeon Gold 6126)

SPECspeed2017_fp_base = 14000

SPECspeed2017_fp_peak = 14200

CPU2017 License: 9017 Test Date: Nov-2017
Test Sponsor: Lenovo Global Technology Hardware Availability: Aug-2017
Tested by: Lenovo Global Technology Software Availability: Sep-2017

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: Intel Xeon Gold 6126
  Max MHz.: 3700
  Nominal: 2600
Enabled: 48 cores, 4 chips
Orderable: 2,4 chips
Cache L1: 32 KB I + 32 KB D on chip per core
  L2: 1 MB I+D on chip per core
  L3: 19.25 MB I+D on chip per chip
  Other: None
Memory: 1536 GB (48 x 32 GB 2Rx4 PC4-2666V-R)
Storage: 1 x 800 GB SAS SSD
Other: None
Software
OS: SUSE Linux Enterprise Server 12 SP2 (x86_64)
Kernel 4.4.21-69-default
Compiler: C/C++: Version 18.0.0.128 of Intel C/C++
Compiler for Linux;
Fortran: Version 18.0.0.128 of Intel Fortran
Compiler for Linux
Parallel: Yes
Firmware: Lenovo BIOS Version IVE111I 1.01 released Aug-2017
File System: xfs
System State: Run level 3 (multi-user)
Base Pointers: 64-bit
Peak Pointers: 64-bit
Other: None

Results Table

Benchmark Base Peak
Threads Seconds Ratio Seconds Ratio Seconds Ratio Threads Seconds Ratio Seconds Ratio Seconds Ratio
SPECspeed2017_fp_base 14000
SPECspeed2017_fp_peak 14200
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 48 73.7 8000 74.7 7890 73.5 8020 48 74.3 7940 74.1 7960 74.1 7960
607.cactuBSSN_s 48 95.7 1740 94.8 1760 94.6 1760 48 93.6 1780 93.5 1780 93.0 1790
619.lbm_s 48 68.5 76.5 69.1 75.8 68.6 76.3 48 69.0 75.9 73.1 71.7 68.7 76.2
621.wrf_s 48 1610 82.0 1650 80.1 1640 80.7 48 1570 84.1 1590 83.4 1610 82.0
627.cam4_s 48 90.4 98.0 91.2 97.2 88.4 1000 48 86.4 1030 86.6 1020 90.7 97.7
628.pop2_s 48 2130 55.6 2130 55.7 2160 55.1 48 2130 55.6 2130 55.8 2080 56.9
638.imagick_s 48 1490 96.7 1500 96.4 1520 94.8 48 1500 96.0 1480 97.6 1480 97.7
644.nab_s 48 64.3 2720 64.3 2720 64.2 2720 48 64.3 2720 64.3 2720 64.2 2720
649.fotonik3d_s 48 81.8 1110 82.6 1100 82.7 1100 48 82.7 1100 83.5 1090 82.5 1110
654.roms_s 48 76.7 2050 77.1 2040 79.8 1970 48 72.9 2160 72.4 2170 74.0 2130

Operating System Notes

 Stack size set to unlimited using "ulimit -s unlimited"

General Notes

Environment variables set by runcpu before the start of the run:
KMP_AFFINITY = "granularity=fine,compact"
LD_LIBRARY_PATH = "/home/cpu2017.1.0.2.ic18.0/lib/ia32:/home/cpu2017.1.0.2.ic18.0/lib/intel64"
LD_LIBRARY_PATH = "$LD_LIBRARY_PATH:/home/cpu2017.1.0.2.ic18.0/je5.0.1-32:/home/cpu2017.1.0.2.ic18.0/je5.0.1-64"

 Binaries compiled on a system with 1x Intel Core i7-4790 CPU + 32GB RAM
 memory using Redhat Enterprise Linux 7.4
 Transparent Huge Pages enabled by default
 Prior to runcpu invocation
 Filesystem page cache synced and cleared with:
 sync; echo 3>       /proc/sys/vm/drop_caches

Platform Notes

BIOS configuration:
Choose Operating Mode set to Maximum Performance
Hyper-Threading set to Disable
DCU Streamer Prefetcher set to Disable
MONITORMWAIT set to Enable
XPT Prefetcher set to Enable
DCA set to Enable
Stale AtoS set to Enable
LLC Deadline Alloc set to Disable
 Sysinfo program /home/cpu2017.1.0.2.ic18.0/bin/sysinfo
 Rev: r5797 of 2017-06-14 96c45e4568ad54c135fd618bcc091c0f
 running on SN850 Fri Nov 10 16:39:43 2017

 SUT (System Under Test) info as seen by some common utilities.
 For more information on this section, see
    https://www.spec.org/cpu2017/Docs/config.html#sysinfo

 From /proc/cpuinfo
    model name : Intel(R) Xeon(R) Gold 6126 CPU @ 2.60GHz
       4  "physical id"s (chips)
       48 "processors"
    cores, siblings (Caution: counting these is hw and system dependent. The following
    excerpts from /proc/cpuinfo might not be reliable.  Use with caution.)
       cpu cores : 12
       siblings  : 12
       physical 0: cores 0 1 3 4 5 6 8 9 10 11 12 13
       physical 1: cores 0 1 3 4 5 6 8 9 10 11 12 13
       physical 2: cores 0 1 2 4 5 6 8 9 10 11 13 14
       physical 3: cores 0 1 2 4 5 6 8 9 10 11 13 14

 From lscpu:
      Architecture:          x86_64
      CPU op-mode(s):        32-bit, 64-bit
      Byte Order:            Little Endian
      CPU(s):                48
      On-line CPU(s) list:   0-47
      Thread(s) per core:    1
      Core(s) per socket:    12
      Socket(s):             4
      NUMA node(s):          4
      Vendor ID:             GenuineIntel
      CPU family:            6
      Model:                 85
      Model name:            Intel(R) Xeon(R) Gold 6126 CPU @ 2.60GHz
      Stepping:              4
      CPU MHz:               2593.924
      BogoMIPS:              5187.84
      Virtualization:        VT-x
      L1d cache:             32K
      L1i cache:             32K
      L2 cache:              1024K
      L3 cache:              19712K
      NUMA node0 CPU(s):     0-11
      NUMA node1 CPU(s):     12-23
      NUMA node2 CPU(s):     24-35
      NUMA node3 CPU(s):     36-47
      Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
      pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp
      lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc
      aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg
      fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes
      xsave avx f16c rdrand lahf_lm abm 3dnowprefetch ida arat epb pln pts dtherm intel_pt
      tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2
      erms invpcid rtm cqm mpx avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd
      avx512bw avx512vl xsaveopt xsavec xgetbv1 cqm_llc cqm_occup_llc

 /proc/cpuinfo cache data
    cache size : 19712 KB

 From numactl --hardware  WARNING: a numactl 'node' might or might not correspond to a
 physical chip.
   available: 4 nodes (0-3)
   node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11
   node 0 size: 386660 MB
   node 0 free: 385462 MB
   node 1 cpus: 12 13 14 15 16 17 18 19 20 21 22 23
   node 1 size: 387057 MB
   node 1 free: 385835 MB
   node 2 cpus: 24 25 26 27 28 29 30 31 32 33 34 35
   node 2 size: 387057 MB
   node 2 free: 385898 MB
   node 3 cpus: 36 37 38 39 40 41 42 43 44 45 46 47
   node 3 size: 387054 MB
   node 3 free: 385979 MB
   node distances:
   node   0   1   2   3
     0:  10  21  21  21
     1:  21  10  21  21
     2:  21  21  10  21
     3:  21  21  21  10

 From /proc/meminfo
    MemTotal:       1584976752 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 From /etc/*release* /etc/*version*
    SuSE-release:
       SUSE Linux Enterprise Server 12 (x86_64)
       VERSION = 12
       PATCHLEVEL = 2
       # This file is deprecated and will be removed in a future service pack or release.
       # Please check /etc/os-release for details about this release.
    os-release:
       NAME="SLES"
       VERSION="12-SP2"
       VERSION_ID="12.2"
       PRETTY_NAME="SUSE Linux Enterprise Server 12 SP2"
       ID="sles"
       ANSI_COLOR="0;32"
       CPE_NAME="cpe:/o:suse:sles:12:sp2"

 uname -a:
    Linux SN850 4.4.21-69-default #1 SMP Tue Oct 25 10:58:20 UTC 2016 (9464f67) x86_64
    x86_64 x86_64 GNU/Linux

 run-level 3 Nov 10 11:31

 SPEC is set to: /home/cpu2017.1.0.2.ic18.0
    Filesystem     Type  Size  Used Avail Use% Mounted on
    /dev/sda4      xfs   836G   20G  816G   3% /home

 Additional information from dmidecode follows.  WARNING: Use caution when you interpret
 this section. The 'dmidecode' program reads system data which is "intended to allow
 hardware to be accurately determined", but the intent may not be met, as there are
 frequent changes to hardware, firmware, and the "DMTF SMBIOS" standard.
   BIOS Lenovo -[IVE111I-1.01]- 08/11/2017
   Memory:
    48x Samsung M393A4K40BB2-CTD 32 GB 2 rank 2666

 (End of data from sysinfo program)

Compiler Version Notes

==============================================================================
 CC  619.lbm_s(base) 638.imagick_s(base, peak) 644.nab_s(base, peak)
------------------------------------------------------------------------------
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
CC   619.lbm_s(peak)
------------------------------------------------------------------------------
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
 FC  607.cactuBSSN_s(base)
------------------------------------------------------------------------------
icpc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
FC   607.cactuBSSN_s(peak)
------------------------------------------------------------------------------
icpc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
 FC  603.bwaves_s(base) 649.fotonik3d_s(base) 654.roms_s(base)
------------------------------------------------------------------------------
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
FC   603.bwaves_s(peak) 649.fotonik3d_s(peak) 654.roms_s(peak)
------------------------------------------------------------------------------
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
 CC  621.wrf_s(base) 627.cam4_s(base, peak) 628.pop2_s(base)
------------------------------------------------------------------------------
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
CC   621.wrf_s(peak) 628.pop2_s(peak)
------------------------------------------------------------------------------
ifort (IFORT) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
icc (ICC) 18.0.0 20170811
Copyright (C) 1985-2017 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

Base Compiler Invocation

C benchmarks:

 icc 

Fortran benchmarks:

 ifort 

Benchmarks using both Fortran and C:

 ifort   icc 

Benchmarks using Fortran, C, and C++:

 icpc   icc   ifort 

Base Portability Flags

603.bwaves_s:  -DSPEC_LP64 
607.cactuBSSN_s:  -DSPEC_LP64 
619.lbm_s:  -DSPEC_LP64 
621.wrf_s:  -DSPEC_LP64   -DSPEC_CASE_FLAG   -convert big_endian 
627.cam4_s:  -DSPEC_LP64   -DSPEC_CASE_FLAG 
628.pop2_s:  -DSPEC_LP64   -DSPEC_CASE_FLAG   -convert big_endian   -assume byterecl 
638.imagick_s:  -DSPEC_LP64 
644.nab_s:  -DSPEC_LP64 
649.fotonik3d_s:  -DSPEC_LP64 
654.roms_s:  -DSPEC_LP64 

Base Optimization Flags

C benchmarks:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -DSPEC_OPENMP 

Fortran benchmarks:

 -DSPEC_OPENMP   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -nostandard-realloc-lhs   -align array32byte 

Benchmarks using both Fortran and C:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs   -align array32byte 

Benchmarks using Fortran, C, and C++:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs   -align array32byte 

Base Other Flags

C benchmarks:

 -m64   -std=c11 

Fortran benchmarks:

 -m64 

Benchmarks using both Fortran and C:

 -m64   -std=c11 

Benchmarks using Fortran, C, and C++:

 -m64   -std=c11 

Peak Compiler Invocation

C benchmarks:

 icc 

Fortran benchmarks:

 ifort 

Benchmarks using both Fortran and C:

 ifort   icc 

Benchmarks using Fortran, C, and C++:

 icpc   icc   ifort 

Peak Portability Flags

Same as Base Portability Flags

Peak Optimization Flags

C benchmarks:

619.lbm_s:  -prof-gen(pass 1)   -prof-use(pass 2)   -O2   -xCORE-AVX512   -qopt-prefetch   -ipo   -O3   -ffinite-math-only   -no-prec-div   -qopt-mem-layout-trans=3   -DSPEC_SUPPRESS_OPENMP   -qopenmp   -DSPEC_OPENMP 
638.imagick_s:  -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -DSPEC_OPENMP 
644.nab_s:  Same as 638.imagick_s 

Fortran benchmarks:

 -prof-gen(pass 1)   -prof-use(pass 2)   -DSPEC_SUPPRESS_OPENMP   -DSPEC_OPENMP   -O2   -xCORE-AVX512   -qopt-prefetch   -ipo   -O3   -ffinite-math-only   -no-prec-div   -qopt-mem-layout-trans=3   -qopenmp   -nostandard-realloc-lhs   -align array32byte 

Benchmarks using both Fortran and C:

621.wrf_s:  -prof-gen(pass 1)   -prof-use(pass 2)   -O2   -xCORE-AVX512   -qopt-prefetch   -ipo   -O3   -ffinite-math-only   -no-prec-div   -qopt-mem-layout-trans=3   -DSPEC_SUPPRESS_OPENMP   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs   -align array32byte 
627.cam4_s:  -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=3   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs   -align array32byte 
628.pop2_s:  Same as 621.wrf_s 

Benchmarks using Fortran, C, and C++:

 -prof-gen(pass 1)   -prof-use(pass 2)   -O2   -xCORE-AVX512   -qopt-prefetch   -ipo   -O3   -ffinite-math-only   -no-prec-div   -qopt-mem-layout-trans=3   -DSPEC_SUPPRESS_OPENMP   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs   -align array32byte 

Peak Other Flags

C benchmarks:

 -m64   -std=c11 

Fortran benchmarks:

 -m64 

Benchmarks using both Fortran and C:

 -m64   -std=c11 

Benchmarks using Fortran, C, and C++:

 -m64   -std=c11 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/Intel-ic18.0-official-linux64.html,
http://www.spec.org/cpu2017/flags/Lenovo-Platform-Flags-V1.2-SKL-F.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2017/flags/Intel-ic18.0-official-linux64.xml,
http://www.spec.org/cpu2017/flags/Lenovo-Platform-Flags-V1.2-SKL-F.xml.