SPEC CPU®2017 Floating Point Speed Result

Copyright 2017-2020 Standard Performance Evaluation Corporation

New H3C Technologies Co., Ltd.

H3C UniServer R6700 G3 (Intel Xeon Gold 6246)

SPECspeed®2017_fp_base = 17100

SPECspeed®2017_fp_peak = 17100

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: Apr-2020

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: Intel Xeon Gold 6246
  Max MHz: 4200
  Nominal: 3300
Enabled: 48 cores, 4 chips
Orderable: 1,2,3,4 chips
Cache L1: 32 KB I + 32 KB D on chip per core
  L2: 1 MB I+D on chip per core
  L3: 24.75 MB I+D on chip per chip
  Other: None
Memory: 384 GB (24 x 16 GB 2Rx8 PC4-2933V-R)
Storage: 1 x 960 GB SATA SSD
Other: None
Software
OS: Red Hat Enterprise Linux release 8.2 (Ootpa)
4.18.0-193.el8.x86_64
Compiler: C/C++: Version 19.1.1.217 of Intel C/C++
Compiler Build 20200306 for Linux;
Fortran: Version 19.1.1.217 of Intel Fortran
Compiler Build 20200306 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: jemalloc memory allocator V5.0.1
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 17100
SPECspeed®2017_fp_peak 17100
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 48 70.8 8340 71.1 8290 71.3 8280 48 71.7 8230 72.3 8160 72.6 8120
607.cactuBSSN_s 48 89.4 1860 90.1 1850 88.5 1880 48 89.4 1860 90.1 1850 88.5 1880
619.lbm_s 48 41.6 1260 44.9 1170 41.7 1260 48 41.6 1260 44.9 1170 41.7 1260
621.wrf_s 48 96.5 1370 98.1 1350 97.3 1360 48 99.7 1330 98.4 1340 98.3 1350
627.cam4_s 48 68.7 1290 69.2 1280 69.1 1280 48 68.7 1290 69.2 1280 69.1 1280
628.pop2_s 48 1900 62.4 1910 62.3 1900 62.6 48 1900 62.4 1910 62.3 1900 62.6
638.imagick_s 48 1140 1270 1140 1270 1140 1270 48 1140 1270 1140 1270 1140 1270
644.nab_s 48 54.3 3220 54.0 3240 54.4 3210 48 51.0 3420 51.2 3410 51.3 3400
649.fotonik3d_s 48 77.1 1180 79.3 1150 79.2 1150 48 78.9 1150 78.1 1170 82.0 1110
654.roms_s 48 73.1 2150 77.8 2020 74.1 2120 48 73.1 2150 77.8 2020 74.1 2120

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:/home/speccpu/je5.0.1-64"
MALLOC_CONF = "retain:true"
OMP_STACKSIZE = "192M"

General Notes

 Binaries compiled on a system with 1x Intel Core i9-7980XE CPU + 64GB RAM
 memory using Redhat Enterprise Linux 8.0
 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
 jemalloc, a general purpose malloc implementation
 built with the RedHat Enterprise 7.5, and the system compiler gcc 4.8.5
 sources available from jemalloc.net or https://github.com/jemalloc/jemalloc/releases

Platform Notes

BIOS Settings:
 Set Hyper Threading to Disabled
 Set XPT Prefetch to Auto
 Set Patrol Scrub to Disabled

 Sysinfo program /home/speccpu/bin/sysinfo
 Rev: r6365 of 2019-08-21 295195f888a3d7edb1e6e46a485a0011
 running on localhost.localdomain Wed Sep  9 15:54:30 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 6246 CPU @ 3.30GHz
       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 2 3 4 10 16 17 20 24 26 27
       physical 1: cores 0 1 2 3 4 10 11 17 20 24 25 27
       physical 2: cores 1 2 3 9 10 11 16 17 20 24 26 27
       physical 3: cores 0 2 4 8 9 10 11 17 18 19 25 27

 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 6246 CPU @ 3.30GHz
      Stepping:            7
      CPU MHz:             1200.139
      CPU max MHz:         4200.0000
      CPU min MHz:         1200.0000
      BogoMIPS:            6600.00
      Virtualization:      VT-x
      L1d cache:           32K
      L1i cache:           32K
      L2 cache:            1024K
      L3 cache:            25344K
      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 cpuid
      aperfmperf 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 cpuid_fault epb cat_l3 cdp_l3
      invpcid_single intel_ppin 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 intel_pt avx512cd
      avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves 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 md_clear flush_l1d arch_capabilities

 /proc/cpuinfo cache data
    cache size : 25344 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: 95073 MB
   node 0 free: 94670 MB
   node 1 cpus: 12 13 14 15 16 17 18 19 20 21 22 23
   node 1 size: 96737 MB
   node 1 free: 89480 MB
   node 2 cpus: 24 25 26 27 28 29 30 31 32 33 34 35
   node 2 size: 96701 MB
   node 2 free: 96375 MB
   node 3 cpus: 36 37 38 39 40 41 42 43 44 45 46 47
   node 3 size: 96764 MB
   node 3 free: 96537 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:       394523296 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 From /etc/*release* /etc/*version*
    os-release:
       NAME="Red Hat Enterprise Linux"
       VERSION="8.2 (Ootpa)"
       ID="rhel"
       ID_LIKE="fedora"
       VERSION_ID="8.2"
       PLATFORM_ID="platform:el8"
       PRETTY_NAME="Red Hat Enterprise Linux 8.2 (Ootpa)"
       ANSI_COLOR="0;31"
    redhat-release: Red Hat Enterprise Linux release 8.2 (Ootpa)
    system-release: Red Hat Enterprise Linux release 8.2 (Ootpa)
    system-release-cpe: cpe:/o:redhat:enterprise_linux:8.2:ga

 uname -a:
    Linux localhost.localdomain 4.18.0-193.el8.x86_64 #1 SMP Fri Mar 27 14:35:58 UTC 2020
    x86_64 x86_64 x86_64 GNU/Linux

 Kernel self-reported vulnerability status:

 itlb_multihit:                            KVM: Mitigation: Split huge pages
 CVE-2018-3620 (L1 Terminal Fault):        Not affected
 Microarchitectural Data Sampling:         Not affected
 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: usercopy/swapgs barriers and __user
                                           pointer sanitization
 CVE-2017-5715 (Spectre variant 2):        Mitigation: Enhanced IBRS, IBPB: conditional,
                                           RSB filling
 tsx_async_abort:                          Mitigation: Clear CPU buffers; SMT disabled

 run-level 3 Sep 9 11:49

 SPEC is set to: /home/speccpu
    Filesystem            Type  Size  Used Avail Use% Mounted on
    /dev/mapper/rhel-home xfs   839G   26G  814G   3% /home

 From /sys/devices/virtual/dmi/id
     BIOS:    American Megatrends Inc. 2.00.33 08/22/2019
     Vendor:  New H3C Technologies Co., Ltd.
     Product: UniServer R6700 G3
     Product Family: Rack
     Serial:  210200A01SH18B000020

 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:
     24x Hynix HMA82GR7CJR8N-WM 16 GB 2 rank 2933
     24x NO DIMM NO DIMM

 (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 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 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 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 Intel Corporation.  All rights reserved.
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 Intel Corporation.  All rights reserved.
Intel(R) Fortran Intel(R) 64 Compiler for applications running on Intel(R)
  64, Version 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 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 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 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 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 Intel Corporation.  All rights reserved.
Intel(R) C Intel(R) 64 Compiler for applications running on Intel(R) 64,
  Version 19.1.1.217 Build 20200306
Copyright (C) 1985-2020 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:

 -m64   -std=c11   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -mbranches-within-32B-boundaries 

Fortran benchmarks:

 -m64   -Wl,-z,muldefs   -DSPEC_OPENMP   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -nostandard-realloc-lhs   -mbranches-within-32B-boundaries   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Benchmarks using both Fortran and C:

 -m64   -std=c11   -Wl,-z,muldefs   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -mbranches-within-32B-boundaries   -nostandard-realloc-lhs   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Benchmarks using Fortran, C, and C++:

 -m64   -std=c11   -Wl,-z,muldefs   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -mbranches-within-32B-boundaries   -nostandard-realloc-lhs   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

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:  basepeak = yes 
638.imagick_s:  basepeak = yes 
644.nab_s:  -m64   -std=c11   -Wl,-z,muldefs   -xCORE-AVX512   -ipo   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -DSPEC_OPENMP   -mbranches-within-32B-boundaries   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Fortran benchmarks:

603.bwaves_s:  -m64   -Wl,-z,muldefs   -prof-gen(pass 1)   -prof-use(pass 2)   -DSPEC_SUPPRESS_OPENMP   -DSPEC_OPENMP   -ipo   -xCORE-AVX512   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -qopenmp   -nostandard-realloc-lhs   -mbranches-within-32B-boundaries   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 
649.fotonik3d_s:  Same as 603.bwaves_s 
654.roms_s:  basepeak = yes 

Benchmarks using both Fortran and C:

621.wrf_s:  -m64   -std=c11   -Wl,-z,muldefs   -prof-gen(pass 1)   -prof-use(pass 2)   -ipo   -xCORE-AVX512   -O3   -no-prec-div   -qopt-prefetch   -ffinite-math-only   -qopt-mem-layout-trans=4   -DSPEC_SUPPRESS_OPENMP   -qopenmp   -DSPEC_OPENMP   -mbranches-within-32B-boundaries   -nostandard-realloc-lhs   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 
627.cam4_s:  basepeak = yes 
628.pop2_s:  basepeak = yes 

Benchmarks using Fortran, C, and C++:

607.cactuBSSN_s:  basepeak = yes 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/Intel-ic19.1u1-official-linux64_revA.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-ic19.1u1-official-linux64_revA.xml,
http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-V1.4-CLX-RevB.xml.