SPEC CPU®2017 Floating Point Speed Result

Copyright 2017-2020 Standard Performance Evaluation Corporation

New H3C Technologies Co., Ltd.

H3C UniServer R4900 G3 (Intel Xeon Gold 6256)

SPECspeed®2017_fp_base = 12400

SPECspeed®2017_fp_peak = 12500

CPU2017 License: 9066 Test Date: Sep-2020
Test Sponsor: New H3C Technologies Co., Ltd. Hardware Availability: Mar-2019
Tested by: New H3C Technologies Co., Ltd. Software Availability: May-2019

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: Intel Xeon Gold 6256
  Max MHz: 4500
  Nominal: 3600
Enabled: 24 cores, 2 chips
Orderable: 1,2 chips
Cache L1: 32 KB I + 32 KB D on chip per core
  L2: 1 MB I+D on chip per core
  L3: 33 MB I+D on chip per chip
  Other: None
Memory: 384 GB (12 x 32 GB 2Rx4 PC4-2933V-R)
Storage: 2 x 600 GB SAS HDD,10k RPM,RAID 1
Other: None
Software
OS: Red Hat Enterprise Linux Server release 7.6
(Maipo)
3.10.0-957.el7.x86_64
Compiler: C/C++: Version 19.0.4.227 of Intel C/C++
Compiler Build 20190416 for Linux;
Fortran: Version 19.0.4.227 of Intel Fortran
Compiler Build 20190416 for Linux
Parallel: Yes
Firmware: Version 2.00.33 released Aug-2019 BIOS
File System: xfs
System State: Run level 3 (multi-user)
Base Pointers: 64-bit
Peak Pointers: 64-bit
Other: None
Power Management: BIOS set to prefer performance at the cost of additional power usage

Results Table

Benchmark Base Peak
Threads Seconds Ratio Seconds Ratio Seconds Ratio Threads Seconds Ratio Seconds Ratio Seconds Ratio
SPECspeed®2017_fp_base 12400
SPECspeed®2017_fp_peak 12500
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 24 1200 4940 1190 4950 1200 4910 24 1200 4910 1200 4940 1200 4930
607.cactuBSSN_s 24 1290 1290 1280 1300 1280 1300 24 1300 1280 1280 1300 1290 1290
619.lbm_s 24 56.4 92.9 55.0 95.2 55.4 94.6 24 55.5 94.4 56.3 93.1 55.0 95.3
621.wrf_s 24 1090 1210 1160 1140 1150 1150 24 1100 1200 1100 1200 1100 1210
627.cam4_s 24 1110 79.5 1120 79.0 1120 79.1 24 1120 78.8 1110 79.6 1120 78.8
628.pop2_s 24 1740 68.3 1750 67.7 1740 68.3 24 1730 68.8 1760 67.6 1730 68.6
638.imagick_s 24 1370 1050 1370 1050 1370 1060 24 1380 1040 1360 1060 1360 1060
644.nab_s 24 89.0 1960 88.9 1970 89.0 1960 24 88.7 1970 88.9 1960 89.2 1960
649.fotonik3d_s 24 1060 86.0 1060 86.0 1050 86.9 24 1050 86.5 1070 85.4 1060 86.1
654.roms_s 24 1230 1280 1230 1280 1220 1290 24 1210 1300 1220 1290 1210 1300

Operating System Notes

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

Environment Variables Notes

Environment variables set by runcpu before the start of the run:
KMP_AFFINITY = "granularity=fine,compact"
LD_LIBRARY_PATH = "/home/speccpu/lib/intel64"
OMP_STACKSIZE = "192M"

General Notes

 Binaries compiled on a system with 1x Intel Core i9-7900X CPU + 32GB RAM
 memory using Redhat Enterprise Linux 7.5
 NA: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown)
 is mitigated in the system as tested and documented.
 Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1)
 is mitigated in the system as tested and documented.
 Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2)
 is mitigated in the system as tested and documented.
 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 settings:
 Set Hyper Threading to Disabled
 Set IMC Interleaving to 2-way Interleave
 Set Patrol Scrub to Disabled

 Sysinfo program /home/speccpu/bin/sysinfo
 Rev: r6365 of 2019-08-21 295195f888a3d7edb1e6e46a485a0011
 running on localhost.localdomain Tue Sep  8 20:01:17 2020

 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 6256 CPU @ 3.60GHz
       2  "physical id"s (chips)
       24 "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 8 9 12 18 21 25 27 28 29
       physical 1: cores 0 1 5 9 10 11 13 16 20 21 25 29

 From lscpu:
      Architecture:          x86_64
      CPU op-mode(s):        32-bit, 64-bit
      Byte Order:            Little Endian
      CPU(s):                24
      On-line CPU(s) list:   0-23
      Thread(s) per core:    1
      Core(s) per socket:    12
      Socket(s):             2
      NUMA node(s):          2
      Vendor ID:             GenuineIntel
      CPU family:            6
      Model:                 85
      Model name:            Intel(R) Xeon(R) Gold 6256 CPU @ 3.60GHz
      Stepping:              7
      CPU MHz:               2707.690
      CPU max MHz:           4500.0000
      CPU min MHz:           1200.0000
      BogoMIPS:              7200.00
      Virtualization:        VT-x
      L1d cache:             32K
      L1i cache:             32K
      L2 cache:              1024K
      L3 cache:              33792K
      NUMA node0 CPU(s):     0-11
      NUMA node1 CPU(s):     12-23
      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 epb cat_l3 cdp_l3 intel_ppin
      intel_pt ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept
      vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a
      avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt
      xsavec xgetbv1 cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln
      pts hwp hwp_act_window hwp_epp hwp_pkg_req pku ospke avx512_vnni spec_ctrl
      intel_stibp flush_l1d arch_capabilities

 /proc/cpuinfo cache data
    cache size : 33792 KB

 From numactl --hardware  WARNING: a numactl 'node' might or might not correspond to a
 physical chip.
   available: 2 nodes (0-1)
   node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11
   node 0 size: 195223 MB
   node 0 free: 181791 MB
   node 1 cpus: 12 13 14 15 16 17 18 19 20 21 22 23
   node 1 size: 196608 MB
   node 1 free: 186860 MB
   node distances:
   node   0   1
     0:  10  21
     1:  21  10

 From /proc/meminfo
    MemTotal:       394622828 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 From /etc/*release* /etc/*version*
    os-release:
       NAME="Red Hat Enterprise Linux Server"
       VERSION="7.6 (Maipo)"
       ID="rhel"
       ID_LIKE="fedora"
       VARIANT="Server"
       VARIANT_ID="server"
       VERSION_ID="7.6"
       PRETTY_NAME="Red Hat Enterprise Linux Server 7.6 (Maipo)"
    redhat-release: Red Hat Enterprise Linux Server release 7.6 (Maipo)
    system-release: Red Hat Enterprise Linux Server release 7.6 (Maipo)
    system-release-cpe: cpe:/o:redhat:enterprise_linux:7.6:ga:server

 uname -a:
    Linux localhost.localdomain 3.10.0-957.el7.x86_64 #1 SMP Thu Oct 4 20:48:51 UTC 2018
    x86_64 x86_64 x86_64 GNU/Linux

 Kernel self-reported vulnerability status:

 CVE-2018-3620 (L1 Terminal Fault):        Not affected
 Microarchitectural Data Sampling:         No status reported
 CVE-2017-5754 (Meltdown):                 Not affected
 CVE-2018-3639 (Speculative Store Bypass): Mitigation: Speculative Store Bypass disabled
                                           via prctl and seccomp
 CVE-2017-5753 (Spectre variant 1):        Mitigation: Load fences, __user pointer
                                           sanitization
 CVE-2017-5715 (Spectre variant 2):        Mitigation: Enhanced IBRS

 run-level 3 Sep 8 15:58

 SPEC is set to: /home/speccpu
    Filesystem            Type  Size  Used Avail Use% Mounted on
    /dev/mapper/rhel-home xfs   504G   54G  451G  11% /home

 From /sys/devices/virtual/dmi/id
     BIOS:    American Megatrends Inc. 2.00.33 08/22/2019
     Vendor:  H3C
     Product: RS33M2C9S

 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.
   Memory:
     12x NO DIMM NO DIMM
     1x Samsung M393A4K40CB2-CVF 32 GB 2 rank 2933
     11x Samsung M393A4K40DB2-CVF 32 GB 2 rank 2933

 (End of data from sysinfo program)

Compiler Version Notes

==============================================================================
C               | 619.lbm_s(base, peak) 638.imagick_s(base, peak)
                | 644.nab_s(base, peak)
------------------------------------------------------------------------------
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
C++, C, Fortran | 607.cactuBSSN_s(base, peak)
------------------------------------------------------------------------------
Intel(R) C++ Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
Intel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R)
  64, Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
Fortran         | 603.bwaves_s(base, peak) 649.fotonik3d_s(base, peak)
                | 654.roms_s(base, peak)
------------------------------------------------------------------------------
Intel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R)
  64, Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

==============================================================================
Fortran, C      | 621.wrf_s(base, peak) 627.cam4_s(base, peak)
                | 628.pop2_s(base, peak)
------------------------------------------------------------------------------
Intel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R)
  64, Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.0.4.227 Build 20190416
Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
------------------------------------------------------------------------------

Base Compiler Invocation

C benchmarks:

 icc -m64 -std=c11 

Fortran benchmarks:

 ifort -m64 

Benchmarks using both Fortran and C:

 ifort -m64   icc -m64 -std=c11 

Benchmarks using Fortran, C, and C++:

 icpc -m64   icc -m64 -std=c11   ifort -m64 

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=4   -qopenmp   -DSPEC_OPENMP 

Fortran benchmarks:

 -DSPEC_OPENMP   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -nostandard-realloc-lhs 

Benchmarks using both Fortran and C:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs 

Benchmarks using Fortran, C, and C++:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs 

Peak Compiler Invocation

C benchmarks:

 icc -m64 -std=c11 

Fortran benchmarks:

 ifort -m64 

Benchmarks using both Fortran and C:

 ifort -m64   icc -m64 -std=c11 

Benchmarks using Fortran, C, and C++:

 icpc -m64   icc -m64 -std=c11   ifort -m64 

Peak Portability Flags

Same as Base Portability Flags

Peak Optimization Flags

C benchmarks:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP 

Fortran benchmarks:

603.bwaves_s:  -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=4   -qopenmp   -nostandard-realloc-lhs 
649.fotonik3d_s:  Same as 603.bwaves_s 
654.roms_s:  -DSPEC_OPENMP   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -nostandard-realloc-lhs 

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=4   -DSPEC_SUPPRESS_OPENMP   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs 
627.cam4_s:  -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs 
628.pop2_s:  Same as 621.wrf_s 

Benchmarks using Fortran, C, and C++:

 -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -nostandard-realloc-lhs 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/Intel-ic19.0u1-official-linux64.2019-07-09.html,
http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-V1.4-CLX-RevB.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2017/flags/Intel-ic19.0u1-official-linux64.2019-07-09.xml,
http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-V1.4-CLX-RevB.xml.