SPEC CPU®2017 Floating Point Speed Result

Copyright 2017-2025 Standard Performance Evaluation Corporation

New H3C Technologies Co., Ltd.

H3C UniServer R6900 G6 (Intel Xeon Gold
6448H)

SPECspeed®2017_fp_base = 35000

SPECspeed®2017_fp_peak = Not Run

CPU2017 License: 9066 Test Date: Mar-2025
Test Sponsor: New H3C Technologies Co., Ltd. Hardware Availability: Oct-2023
Tested by: New H3C Technologies Co., Ltd. Software Availability: Apr-2024

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: Intel Xeon Gold 6448H
  Max MHz: 4100
  Nominal: 2400
Enabled: 128 cores, 4 chips
Orderable: 1,2,4 chips
Cache L1: 32 KB I + 48 KB D on chip per core
  L2: 2 MB I+D on chip per core
  L3: 60 MB I+D on chip per chip
  Other: None
Memory: 1 TB (16 x 64 GB 2Rx4 PC5-5600B-R, running at
4800)
Storage: 1 x 960 GB SATA SSD
Other: CPU Cooling: Air
Software
OS: Red Hat Enterprise Linux 9.4 (Plow)
5.14.0-427.13.1.el9_4.x86_64
Compiler: C/C++: Version 2024.1 of Intel oneAPI DPC++/C++
Compiler for Linux;
Fortran: Version 2024.1 of Intel Fortran Compiler
for Linux;
Parallel: Yes
Firmware: Version 6.10.43P65 released Jan-2025 BIOS
File System: xfs
System State: Run level 3 (multi-user)
Base Pointers: 64-bit
Peak Pointers: Not Applicable
Other: jemalloc memory allocator V5.0.1
Power Management: BIOS and OS 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 35000
SPECspeed®2017_fp_peak Not Run
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 128 52.9 11100 53.2 11100 53.0 11100
607.cactuBSSN_s 128 34.7 4810 35.0 4760 35.1 4750
619.lbm_s 128 18.6 2820 18.7 2810 18.7 2810
621.wrf_s 128 70.9 1860 71.3 1860 70.3 1880
627.cam4_s 128 43.6 2030 43.0 2060 43.9 2020
628.pop2_s 128 1370 86.4 1390 85.4 1320 90.2
638.imagick_s 128 18.5 7790 18.7 7700 18.6 7750
644.nab_s 128 18.9 9260 18.2 9610 18.1 9630
649.fotonik3d_s 128 56.2 1620 56.0 1630 56.6 1610
654.roms_s 128 33.6 4690 44.3 3550 33.6 4690

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 2x Intel Xeon Platinum 8280M CPU + 384GB RAM
 memory using Redhat Enterprise Linux 8.0
 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
 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.
 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

Submitted_by: Zhoushinan <zhou.shinan@h3c.com>
Submitted: Tue Mar 25 00:08:47 EDT 2025
Submission: cpu2017-20250325-47249.sub

Platform Notes

BIOS Settings:
 Enable LP [Global] = Single LP
 SNC = Disabled
 Package C State = C6(Retention) state
 LLC Prefetch = Enabled
BMC Settings:
 Fan mode = powerful mode

 Sysinfo program /home/speccpu/bin/sysinfo
 Rev: r6732 of 2022-11-07 fe91c89b7ed5c36ae2c92cc097bec197
 running on localhost.localdomain Thu Mar 20 03:05:08 2025

 SUT (System Under Test) info as seen by some common utilities.

 ------------------------------------------------------------
 Table of contents
 ------------------------------------------------------------
  1. uname -a
  2. w
  3. Username
  4. ulimit -a
  5. sysinfo process ancestry
  6. /proc/cpuinfo
  7. lscpu
  8. numactl --hardware
  9. /proc/meminfo
 10. who -r
 11. Systemd service manager version: systemd 252 (252-32.el9_4)
 12. Services, from systemctl list-unit-files
 13. Linux kernel boot-time arguments, from /proc/cmdline
 14. cpupower frequency-info
 15. tuned-adm active
 16. sysctl
 17. /sys/kernel/mm/transparent_hugepage
 18. /sys/kernel/mm/transparent_hugepage/khugepaged
 19. OS release
 20. Disk information
 21. /sys/devices/virtual/dmi/id
 22. dmidecode
 23. BIOS
 ------------------------------------------------------------

 ------------------------------------------------------------
 1. uname -a
   Linux localhost.localdomain 5.14.0-427.13.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Apr 10 10:29:16 EDT
   2024 x86_64 x86_64 x86_64 GNU/Linux

 ------------------------------------------------------------
 2. w
    03:05:08 up 3 min,  1 user,  load average: 0.09, 0.04, 0.01
   USER     TTY        LOGIN@   IDLE   JCPU   PCPU WHAT
   root     tty1      03:04   36.00s  0.92s  0.01s sh intspeed.sh

 ------------------------------------------------------------
 3. Username
   From environment variable $USER:  root

 ------------------------------------------------------------
 4. ulimit -a
   real-time non-blocking time  (microseconds, -R) unlimited
   core file size              (blocks, -c) 0
   data seg size               (kbytes, -d) unlimited
   scheduling priority                 (-e) 0
   file size                   (blocks, -f) unlimited
   pending signals                     (-i) 4124351
   max locked memory           (kbytes, -l) 64
   max memory size             (kbytes, -m) unlimited
   open files                          (-n) 1024
   pipe size                (512 bytes, -p) 8
   POSIX message queues         (bytes, -q) 819200
   real-time priority                  (-r) 0
   stack size                  (kbytes, -s) unlimited
   cpu time                   (seconds, -t) unlimited
   max user processes                  (-u) 4124351
   virtual memory              (kbytes, -v) unlimited
   file locks                          (-x) unlimited

 ------------------------------------------------------------
 5. sysinfo process ancestry
  /usr/lib/systemd/systemd rhgb --switched-root --system --deserialize 31
  login -- root
  -bash
  sh intspeed.sh
  runcpu --nobuild --action validate --define default-platform-flags -c
    ic2024.1-lin-sapphirerapids-speed-20240308.cfg --define cores=128 --tune base -o all --define drop_caches
    fpspeed
  runcpu --nobuild --action validate --define default-platform-flags --configfile
    ic2024.1-lin-sapphirerapids-speed-20240308.cfg --define cores=128 --tune base --output_format all --define
    drop_caches --nopower --runmode speed --tune base --size refspeed fpspeed --nopreenv --note-preenv
    --logfile $SPEC/tmp/CPU2017.027/templogs/preenv.fpspeed.027.0.log --lognum 027.0 --from_runcpu 2
  specperl $SPEC/bin/sysinfo
 $SPEC = /home/speccpu

 ------------------------------------------------------------
 6. /proc/cpuinfo
     model name      : Intel(R) Xeon(R) Gold 6448H
     vendor_id       : GenuineIntel
     cpu family      : 6
     model           : 143
     stepping        : 8
     microcode       : 0x2b000571
     bugs            : spectre_v1 spectre_v2 spec_store_bypass swapgs eibrs_pbrsb
     cpu cores       : 32
     siblings        : 32
     4 physical ids (chips)
     128 processors (hardware threads)
     physical id 0: core ids 0-31
     physical id 1: core ids 0-31
     physical id 2: core ids 0-31
     physical id 3: core ids 0-31
     physical id 0: apicids
     0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62
     physical id 1: apicids
     128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,1
     80,182,184,186,188,190
     physical id 2: apicids
     256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300,302,304,306,3
     08,310,312,314,316,318
     physical id 3: apicids
     384,386,388,390,392,394,396,398,400,402,404,406,408,410,412,414,416,418,420,422,424,426,428,430,432,434,4
     36,438,440,442,444,446
   Caution: /proc/cpuinfo data regarding chips, cores, and threads is not necessarily reliable, especially for
   virtualized systems.  Use the above data carefully.

 ------------------------------------------------------------
 7. lscpu

 From lscpu from util-linux 2.37.4:
   Architecture:                       x86_64
   CPU op-mode(s):                     32-bit, 64-bit
   Address sizes:                      52 bits physical, 57 bits virtual
   Byte Order:                         Little Endian
   CPU(s):                             128
   On-line CPU(s) list:                0-127
   Vendor ID:                          GenuineIntel
   BIOS Vendor ID:                     Intel(R) Corporation
   Model name:                         Intel(R) Xeon(R) Gold 6448H
   BIOS Model name:                    Intel(R) Xeon(R) Gold 6448H
   CPU family:                         6
   Model:                              143
   Thread(s) per core:                 1
   Core(s) per socket:                 32
   Socket(s):                          4
   Stepping:                           8
   CPU(s) scaling MHz:                 100%
   CPU max MHz:                        4100.0000
   CPU min MHz:                        800.0000
   BogoMIPS:                           4800.00
   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 tsc_known_freq 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 cat_l2
                                       cdp_l3 intel_ppin cdp_l2 ssbd mba ibrs ibpb stibp ibrs_enhanced
                                       tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2
                                       smep bmi2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap
                                       avx512ifma clflushopt clwb intel_pt avx512cd sha_ni avx512bw avx512vl
                                       xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total
                                       cqm_mbm_local split_lock_detect avx_vnni avx512_bf16 wbnoinvd dtherm
                                       ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req hfi vnmi
                                       avx512vbmi umip pku ospke waitpkg avx512_vbmi2 gfni vaes vpclmulqdq
                                       avx512_vnni avx512_bitalg tme avx512_vpopcntdq la57 rdpid
                                       bus_lock_detect cldemote movdiri movdir64b enqcmd fsrm md_clear
                                       serialize tsxldtrk pconfig arch_lbr ibt amx_bf16 avx512_fp16 amx_tile
                                       amx_int8 flush_l1d arch_capabilities
   Virtualization:                     VT-x
   L1d cache:                          6 MiB (128 instances)
   L1i cache:                          4 MiB (128 instances)
   L2 cache:                           256 MiB (128 instances)
   L3 cache:                           240 MiB (4 instances)
   NUMA node(s):                       4
   NUMA node0 CPU(s):                  0-31
   NUMA node1 CPU(s):                  32-63
   NUMA node2 CPU(s):                  64-95
   NUMA node3 CPU(s):                  96-127
   Vulnerability Gather data sampling: Not affected
   Vulnerability Itlb multihit:        Not affected
   Vulnerability L1tf:                 Not affected
   Vulnerability Mds:                  Not affected
   Vulnerability Meltdown:             Not affected
   Vulnerability Mmio stale data:      Not affected
   Vulnerability Retbleed:             Not affected
   Vulnerability Spec rstack overflow: Not affected
   Vulnerability Spec store bypass:    Mitigation; Speculative Store Bypass disabled via prctl
   Vulnerability Spectre v1:           Mitigation; usercopy/swapgs barriers and __user pointer sanitization
   Vulnerability Spectre v2:           Mitigation; Enhanced / Automatic IBRS, IBPB conditional, RSB filling,
                                       PBRSB-eIBRS SW sequence
   Vulnerability Srbds:                Not affected
   Vulnerability Tsx async abort:      Not affected

 From lscpu --cache:
      NAME ONE-SIZE ALL-SIZE WAYS TYPE        LEVEL  SETS PHY-LINE COHERENCY-SIZE
      L1d       48K       6M   12 Data            1    64        1             64
      L1i       32K       4M    8 Instruction     1    64        1             64
      L2         2M     256M   16 Unified         2  2048        1             64
      L3        60M     240M   15 Unified         3 65536        1             64

 ------------------------------------------------------------
 8. numactl --hardware
 NOTE: a numactl 'node' might or might not correspond to a physical chip.
   available: 4 nodes (0-3)
   node 0 cpus: 0-31
   node 0 size: 257058 MB
   node 0 free: 250350 MB
   node 1 cpus: 32-63
   node 1 size: 258039 MB
   node 1 free: 257454 MB
   node 2 cpus: 64-95
   node 2 size: 257998 MB
   node 2 free: 246849 MB
   node 3 cpus: 96-127
   node 3 size: 258033 MB
   node 3 free: 257346 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

 ------------------------------------------------------------
 9. /proc/meminfo
    MemTotal:       1055877668 kB

 ------------------------------------------------------------
 10. who -r
   run-level 3 Mar 20 03:01

 ------------------------------------------------------------
 11. Systemd service manager version: systemd 252 (252-32.el9_4)
   Default Target  Status
   multi-user      running

 ------------------------------------------------------------
 12. Services, from systemctl list-unit-files
   STATE            UNIT FILES
   enabled          NetworkManager NetworkManager-dispatcher NetworkManager-wait-online atd auditd bluetooth
                    chronyd crond dbus-broker firewalld getty@ insights-client-boot irqbalance iscsi-onboot
                    iscsi-starter kdump libstoragemgmt lm_sensors low-memory-monitor lvm2-monitor mcelog
                    mdmonitor microcode multipathd nis-domainname nvmefc-boot-connections rhsmcertd rsyslog
                    rtkit-daemon selinux-autorelabel-mark smartd sshd sssd systemd-boot-update
                    systemd-network-generator tuned udisks2 upower
   enabled-runtime  systemd-remount-fs
   disabled         arp-ethers blk-availability canberra-system-bootup canberra-system-shutdown
                    canberra-system-shutdown-reboot chrony-wait chronyd-restricted cni-dhcp console-getty
                    cpupower debug-shell dnf-system-upgrade fancontrol iprdump iprinit iprupdate ipsec
                    iscsi-init iscsid iscsiuio kpatch kvm_stat ledmon man-db-restart-cache-update
                    netavark-dhcp-proxy netavark-firewalld-reload nftables nvmf-autoconnect pesign podman
                    podman-auto-update podman-clean-transient podman-kube@ podman-restart psacct rdisc rhcd
                    rhsm rhsm-facts rpmdb-rebuild selinux-check-proper-disable serial-getty@ sshd-keygen@
                    systemd-boot-check-no-failures systemd-pstore systemd-sysext
   indirect         iscsi sssd-autofs sssd-kcm sssd-nss sssd-pac sssd-pam sssd-ssh sssd-sudo systemd-sysupdate
                    systemd-sysupdate-reboot

 ------------------------------------------------------------
 13. Linux kernel boot-time arguments, from /proc/cmdline
   BOOT_IMAGE=(hd0,gpt2)/vmlinuz-5.14.0-427.13.1.el9_4.x86_64
   root=/dev/mapper/rhel-root
   ro
   crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M
   resume=/dev/mapper/rhel-swap
   rd.lvm.lv=rhel/root
   rd.lvm.lv=rhel/swap
   rhgb
   quiet

 ------------------------------------------------------------
 14. cpupower frequency-info
   analyzing CPU 83:
     current policy: frequency should be within 800 MHz and 4.10 GHz.
                     The governor "performance" may decide which speed to use
                     within this range.
     boost state support:
       Supported: yes
       Active: yes

 ------------------------------------------------------------
 15. tuned-adm active
   Current active profile: throughput-performance

 ------------------------------------------------------------
 16. sysctl
   kernel.numa_balancing               1
   kernel.randomize_va_space           2
   vm.compaction_proactiveness        20
   vm.dirty_background_bytes           0
   vm.dirty_background_ratio          10
   vm.dirty_bytes                      0
   vm.dirty_expire_centisecs        3000
   vm.dirty_ratio                     40
   vm.dirty_writeback_centisecs      500
   vm.dirtytime_expire_seconds     43200
   vm.extfrag_threshold              500
   vm.min_unmapped_ratio               1
   vm.nr_hugepages                     0
   vm.nr_hugepages_mempolicy           0
   vm.nr_overcommit_hugepages          0
   vm.swappiness                      10
   vm.watermark_boost_factor       15000
   vm.watermark_scale_factor          10
   vm.zone_reclaim_mode                0

 ------------------------------------------------------------
 17. /sys/kernel/mm/transparent_hugepage
   defrag          always defer defer+madvise [madvise] never
   enabled         [always] madvise never
   hpage_pmd_size  2097152
   shmem_enabled   always within_size advise [never] deny force

 ------------------------------------------------------------
 18. /sys/kernel/mm/transparent_hugepage/khugepaged
   alloc_sleep_millisecs   60000
   defrag                      1
   max_ptes_none             511
   max_ptes_shared           256
   max_ptes_swap              64
   pages_to_scan            4096
   scan_sleep_millisecs    10000

 ------------------------------------------------------------
 19. OS release
   From /etc/*-release /etc/*-version
   os-release     Red Hat Enterprise Linux 9.4 (Plow)
   redhat-release Red Hat Enterprise Linux release 9.4 (Plow)
   system-release Red Hat Enterprise Linux release 9.4 (Plow)

 ------------------------------------------------------------
 20. Disk information
 SPEC is set to: /home/speccpu
   Filesystem            Type  Size  Used Avail Use% Mounted on
   /dev/mapper/rhel-home xfs   819G  109G  710G  14% /home

 ------------------------------------------------------------
 21. /sys/devices/virtual/dmi/id
     Vendor:         New H3C Technologies Co., Ltd.
     Product:        H3C UniServer R6900 G6
     Product Family: Rack
     Serial:         210235A4J7H24A000016

 ------------------------------------------------------------
 22. dmidecode
   Additional information from dmidecode 3.5 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:
     16x Hynix HMCG94AGBRA179N 64 GB 2 rank 5600, configured at 4800


 ------------------------------------------------------------
 23. BIOS
 (This section combines info from /sys/devices and dmidecode.)
    BIOS Vendor:       American Megatrends International, LLC.
    BIOS Version:      6.10.43P65
    BIOS Date:         01/02/2025
    BIOS Revision:     5.32

Compiler Version Notes

============================================================================================================
C               | 619.lbm_s(base) 638.imagick_s(base) 644.nab_s(base)
------------------------------------------------------------------------------------------------------------
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------------------------------------

============================================================================================================
C++, C, Fortran | 607.cactuBSSN_s(base)
------------------------------------------------------------------------------------------------------------
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------------------------------------

============================================================================================================
Fortran         | 603.bwaves_s(base) 649.fotonik3d_s(base) 654.roms_s(base)
------------------------------------------------------------------------------------------------------------
Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------------------------------------

============================================================================================================
Fortran, C      | 621.wrf_s(base) 627.cam4_s(base) 628.pop2_s(base)
------------------------------------------------------------------------------------------------------------
Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2024.1.0 Build 20240308
Copyright (C) 1985-2024 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------------------------------------

Base Compiler Invocation

C benchmarks:

 icx 

Fortran benchmarks:

 ifx 

Benchmarks using both Fortran and C:

 ifx   icx 

Benchmarks using Fortran, C, and C++:

 icpx   icx   ifx 

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:

 -w   -std=c11   -m64   -Wl,-z,muldefs   -xsapphirerapids   -Ofast   -ffast-math   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -Wno-implicit-int   -mprefer-vector-width=512   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Fortran benchmarks:

 -w   -m64   -Wl,-z,muldefs   -DSPEC_OPENMP   -xsapphirerapids   -Ofast   -ffast-math   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -nostandard-realloc-lhs   -align array32byte   -auto   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Benchmarks using both Fortran and C:

 -w   -m64   -std=c11   -Wl,-z,muldefs   -xsapphirerapids   -Ofast   -ffast-math   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -Wno-implicit-int   -mprefer-vector-width=512   -nostandard-realloc-lhs   -align array32byte   -auto   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

Benchmarks using Fortran, C, and C++:

 -w   -std=c++14   -m64   -std=c11   -Wl,-z,muldefs   -xsapphirerapids   -Ofast   -ffast-math   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -Wno-implicit-int   -mprefer-vector-width=512   -nostandard-realloc-lhs   -align array32byte   -auto   -L/usr/local/jemalloc64-5.0.1/lib   -ljemalloc 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/Intel-ic2024-official-linux64.html,
http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-intel-RevB.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2017/flags/Intel-ic2024-official-linux64.xml,
http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-intel-RevB.xml.