SPEC CPU®2026 Floating Point Speed Result

Copyright 2026 Standard Performance Evaluation Corporation

Hewlett Packard Enterprise (Test Sponsor: HPE)

ProLiant Compute DL580 Gen12
(2.00 Ghz, Intel Xeon 6788P)

SPECspeed®2026_fp_base = 5.87

SPECspeed®2026_fp_peak = 5.87

CPU2026 License: 3 Test Date: Feb-2026
Test Sponsor: HPE Hardware Availability: Jul-2025
Tested by: HPE Software Availability: Jan-2026
Benchmark results graph
Hardware
CPU Name: Intel Xeon 6788P
  Max MHz: 3800
  Nominal: 2000
Enabled: 344 cores, 4 chips
Orderable: 1,2,4 Chips
Cache L1: 64 KB I + 48 KB D on chip per core
  L2: 2 MB I+D on chip per core
  L3: 336 MB I+D on chip per chip
  Other: None
Memory: 2 TB (32 x 64 GB 2Rx4 PC5-6400B-R)
Storage: 1 x 1.6 TB NVMe SSD
Cooling: Air
Other: None
Software
OS: Ubuntu 24.04.3 LTS
Kernel 6.8.0-94-generic
Compiler: C/C++: Version 2025.3 of Intel oneAPI DPC++/C++
Compiler for Linux;
Fortran: Version 2025.3 of Intel Fortran
Compiler for Linux
Compiler Category: Vendor
Firmware: HPE BIOS Version v1.60
released Jan-2026
File System: ext4
System State: Run level 5 (multi-user, graphical)
Base Pointers: 64-bit
Peak Pointers: 64-bit
Other: jemalloc memory allocator v5.3
Power Management: BIOS is 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
800.pot3d_s 344 1270 5.290 1250 5.400 344 1270 5.290 1250 5.400
803.sph_exa_s 344 1390 8.910 1280 9.650 344 1390 8.910 1280 9.650
809.cactus_s 344 2540 4.420 2360 4.760 344 2540 4.420 2360 4.760
811.tealeaf_s 344 48.7 11.400 42.5 13.100 344 48.7 11.400 42.5 13.100
816.nab_s 344 44.3 25.400 43.9 25.600 344 44.3 25.400 43.9 25.600
820.cloverleaf_s 344 52.3 16.400 52.1 16.400 344 52.3 16.400 52.1 16.400
822.palm_s 344 20050 0.612 21170 0.580 344 20050 0.612 21170 0.580
849.fotonik3d_s 344 1480 4.450 1480 4.450 344 1480 4.450 1480 4.450
857.namd_s 344 1410 10.300 1430 10.100 344 1410 10.300 1430 10.100
865.roms_s 344 9020 1.210 73.0 14.900 344 9020 1.210 73.0 14.900
867.nest_s 344 66.8 32.300 63.8 33.900 344 66.8 32.300 63.8 33.900
872.marian_s 344 1750 6.180 1730 6.250 344 1750 6.180 1730 6.250
881.neutron_s 344 5230 1.560 4520 1.800 344 5230 1.560 4520 1.800
SPECspeed®2026_fp_base 5.87
SPECspeed®2026_fp_peak 5.87
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.

Environment Variables Notes

Environment variables set by runcpu before the start of the run:
LD_LIBRARY_PATH = "/home/cpu2026/lib"
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 Red Hat Enterprise Linux 8.4
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

Platform Notes

BIOS Configurations : Parameters are selected in the order shown below
Workload Profile set to General Peak Frequency Compute
Enhanced Processor Performance Profile set to Aggressive
Thermal Configuration set to Maximum Cooling
Memory Patrol Scrubbing set to Disabled
Last Level Cache (LLC) Prefetch set to Enabled
XPT Prefetch set to Disabled
Intel UPI Prefetch set to Disabled
Intel Hyper-Threading set to Disabled
 Workload Profile set to Custom
  Collaborative Power Control set to Enabled

 Sysinfo program /home/cpu2026/bin/sysinfo
 Rev: 069f95da7e7f5d81b2ce48a82150e54f
 running on admin1 Sat Feb  7 13:11:50 2026

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

 ------------------------------------------------------------
 Table of contents
 ------------------------------------------------------------
  1. uname -srvm
  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 255 (255.4-1ubuntu8.12)
 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 -srvm
   Linux 6.8.0-94-generic #96-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan  9 20:36:55 UTC 2026 x86_64

 ------------------------------------------------------------
 2. w
    13:11:50 up  6:04,  3 users,  load average: 160.41, 83.14, 46.18
   USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU  WHAT
   admin1            172.16.0.100     07:16    6:03m  0.00s  0.01s sshd: admin1 [priv]
   admin1            172.16.0.100     07:13    6:03m  0.00s  0.03s sshd: admin1 [priv]
   admin1   tty1     -                07:10    6:01m  0.03s  0.01s -bash

 ------------------------------------------------------------
 3. Username
   From environment variable $USER:  root
   From the command 'logname':       admin1

 ------------------------------------------------------------
 4. ulimit -a
   time(seconds)        unlimited
   file(blocks)         unlimited
   data(kbytes)         unlimited
   stack(kbytes)        unlimited
   coredump(blocks)     0
   memory(kbytes)       unlimited
   locked memory(kbytes) 264157384
   process              8254598
   nofiles              1024
   vmemory(kbytes)      unlimited
   locks                unlimited
   rtprio               0

 ------------------------------------------------------------
 5. sysinfo process ancestry
  /sbin/init
  sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups
  sshd: admin1 [priv]
  sshd: admin1@pts/0
  -bash
  sudo -i
  sudo -i
  -bash
  -bash
  -bash
  runcpu --nobuild --reportable --action validate --define default-platform-flags -c
    ic2025.3-graniterapids-cpu2026-0.902-speed-20260121.cfg --threads 344 --define cores=344 --tune base -n 2
    -o all --define drop_caches fpspeed
  runcpu --nobuild --reportable --action validate --define default-platform-flags --configfile
    ic2025.3-graniterapids-cpu2026-0.902-speed-20260121.cfg --threads 344 --define cores=344 --tune base
    --iterations 2 --output_format all --define drop_caches --nopower --runmode speed --tune base --size
    refspeed fpspeed --nopreenv --note-preenv --logfile
    $SPEC/tmp/CPU2026.027/templogs/preenv.fpspeed.027.0.log --lognum 027.0 --from_runcpu 2
  specperl $SPEC/bin/sysinfo
 $SPEC = /home/cpu2026

 ------------------------------------------------------------
 6. /proc/cpuinfo
     model name      : Intel(R) Xeon(R) 6788P
     vendor_id       : GenuineIntel
     cpu family      : 6
     model           : 173
     stepping        : 1
     microcode       : 0x1000411
     bugs            : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi vmscape
     cpu cores       : 86
     siblings        : 86
     4 physical ids (chips)
     344 processors (hardware threads)
     physical id 0: core ids 0-42,64-106
     physical id 1: core ids 0-42,64-106
     physical id 2: core ids 0-42,64-106
     physical id 3: core ids 0-42,64-106
     physical id 0: apicids
     0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72
     ,74,76,78,80,82,84,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,17
     0,172,174,176,178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212
     physical id 1: 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
     08,310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,340,384,386,388,390,392,394,396,398,400,40
     2,404,406,408,410,412,414,416,418,420,422,424,426,428,430,432,434,436,438,440,442,444,446,448,450,452,454
     ,456,458,460,462,464,466,468
     physical id 2: apicids
     512,514,516,518,520,522,524,526,528,530,532,534,536,538,540,542,544,546,548,550,552,554,556,558,560,562,5
     64,566,568,570,572,574,576,578,580,582,584,586,588,590,592,594,596,640,642,644,646,648,650,652,654,656,65
     8,660,662,664,666,668,670,672,674,676,678,680,682,684,686,688,690,692,694,696,698,700,702,704,706,708,710
     ,712,714,716,718,720,722,724
     physical id 3: apicids
     768,770,772,774,776,778,780,782,784,786,788,790,792,794,796,798,800,802,804,806,808,810,812,814,816,818,8
     20,822,824,826,828,830,832,834,836,838,840,842,844,846,848,850,852,896,898,900,902,904,906,908,910,912,91
     4,916,918,920,922,924,926,928,930,932,934,936,938,940,942,944,946,948,950,952,954,956,958,960,962,964,966
     ,968,970,972,974,976,978,980
   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 2.39.3:
   Architecture:                         x86_64
   CPU op-mode(s):                       32-bit, 64-bit
   Address sizes:                        46 bits physical, 57 bits virtual
   Byte Order:                           Little Endian
   CPU(s):                               344
   On-line CPU(s) list:                  0-343
   Vendor ID:                            GenuineIntel
   BIOS Vendor ID:                       Intel(R) Corporation
   Model name:                           Intel(R) Xeon(R) 6788P
   BIOS Model name:                      Intel(R) Xeon(R) 6788P  CPU @ 2.0GHz
   BIOS CPU family:                      179
   CPU family:                           6
   Model:                                173
   Thread(s) per core:                   1
   Core(s) per socket:                   86
   Socket(s):                            4
   Stepping:                             1
   CPU(s) scaling MHz:                   22%
   CPU max MHz:                          3800.0000
   CPU min MHz:                          800.0000
   BogoMIPS:                             4000.00
   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 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
                                         user_shstk avx_vnni avx512_bf16 wbnoinvd dtherm ida arat pln pts hwp
                                         hwp_act_window hwp_epp hwp_pkg_req 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 ibpb_exit_to_user
   Virtualization:                       VT-x
   L1d cache:                            16.1 MiB (344 instances)
   L1i cache:                            21.5 MiB (344 instances)
   L2 cache:                             688 MiB (344 instances)
   L3 cache:                             1.3 GiB (4 instances)
   NUMA node(s):                         4
   NUMA node0 CPU(s):                    0-85
   NUMA node1 CPU(s):                    86-171
   NUMA node2 CPU(s):                    172-257
   NUMA node3 CPU(s):                    258-343
   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 Reg file data sampling: 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 Not affected; BHI BHI_DIS_S
   Vulnerability Srbds:                  Not affected
   Vulnerability Tsx async abort:        Not affected
   Vulnerability Vmscape:                Mitigation; IBPB before exit to userspace

 From lscpu --cache:
      NAME ONE-SIZE ALL-SIZE WAYS TYPE        LEVEL   SETS PHY-LINE COHERENCY-SIZE
      L1d       48K    16.1M   12 Data            1     64        1             64
      L1i       64K    21.5M   16 Instruction     1     64        1             64
      L2         2M     688M   16 Unified         2   2048        1             64
      L3       336M     1.3G   16 Unified         3 344064        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: 0-85
   node 0 size: 515546 MB
   node 0 free: 456583 MB
   node 1 cpus: 86-171
   node 1 size: 516066 MB
   node 1 free: 511659 MB
   node 2 cpus: 172-257
   node 2 size: 516066 MB
   node 2 free: 497437 MB
   node 3 cpus: 258-343
   node 3 size: 516049 MB
   node 3 free: 508734 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:       2113259076 kB

 ------------------------------------------------------------
 10. who -r
   run-level 5 Feb 7 07:08

 ------------------------------------------------------------
 11. Systemd service manager version: systemd 255 (255.4-1ubuntu8.12)
   Default Target  Status
   graphical       running

 ------------------------------------------------------------
 12. Services, from systemctl list-unit-files
   STATE            UNIT FILES
   enabled          ModemManager apparmor apport blk-availability cloud-config cloud-final cloud-init
                    cloud-init-local console-setup cron dmesg e2scrub_reap finalrd getty@ gpu-manager
                    grub-common grub-initrd-fallback keyboard-setup lvm2-monitor multipathd
                    networkd-dispatcher open-iscsi open-vm-tools pollinate rsyslog secureboot-db setvtrgb
                    snapd sysstat systemd-networkd systemd-networkd-wait-online systemd-pstore
                    systemd-resolved systemd-timesyncd thermald tuned ua-reboot-cmds ubuntu-advantage udisks2
                    ufw unattended-upgrades vgauth
   enabled-runtime  netplan-ovs-cleanup systemd-fsck-root systemd-remount-fs
   disabled         console-getty debug-shell iscsid nftables rsync serial-getty@ ssh
                    systemd-boot-check-no-failures systemd-confext systemd-network-generator
                    systemd-networkd-wait-online@ systemd-pcrlock-file-system systemd-pcrlock-firmware-code
                    systemd-pcrlock-firmware-config systemd-pcrlock-machine-id systemd-pcrlock-make-policy
                    systemd-pcrlock-secureboot-authority systemd-pcrlock-secureboot-policy systemd-sysext
                    systemd-time-wait-sync upower
   indirect         systemd-sysupdate systemd-sysupdate-reboot uuidd
   masked           cryptdisks cryptdisks-early hwclock multipath-tools-boot screen-cleanup sudo x11-common

 ------------------------------------------------------------
 13. Linux kernel boot-time arguments, from /proc/cmdline
   BOOT_IMAGE=/boot/vmlinuz-6.8.0-94-generic
   root=UUID=1167c2a9-3418-41e4-8aa6-434d83833b85
   ro

 ------------------------------------------------------------
 14. cpupower frequency-info
   analyzing CPU 7:
     current policy: frequency should be within 800 MHz and 3.80 GHz.
                     The governor "powersave" may decide which speed to use
                     within this range.
     boost state support:
       Supported: yes
       Active: yes

 ------------------------------------------------------------
 15. tuned-adm active
   Current active profile: balanced

 ------------------------------------------------------------
 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                     20
   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                      60
   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 Ubuntu 24.04.3 LTS

 ------------------------------------------------------------
 20. Disk information
 SPEC is set to: /home/cpu2026
   Filesystem     Type  Size  Used Avail Use% Mounted on
   /dev/nvme0n1p2 ext4  1.5T  329G  1.1T  24% /

 ------------------------------------------------------------
 21. /sys/devices/virtual/dmi/id
     Vendor:         HPE
     Product:        HPE ProLiant Compute DL580 Gen12
     Product Family: ProLiant
     Serial:         7CED2FP013

 ------------------------------------------------------------
 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:
     31x Hynix HMCG94AHBRA480N 64 GB 2 rank 6400
     1x Hynix HMCG94AHBRA487N 64 GB 2 rank 6400


 ------------------------------------------------------------
 23. BIOS
 (This section combines info from /sys/devices and dmidecode.)
    BIOS Vendor:       HPE
    BIOS Version:      1.60
    BIOS Date:         01/09/2026
    BIOS Revision:     1.60
    Firmware Revision: 1.19

Compiler Version Notes

==============================================================================
C       | 811.tealeaf_s(base) 816.nab_s(base) 881.neutron_s(base)
------------------------------------------------------------------------------
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64,
  Version 2025.3.0 Build 20251010
Copyright (C) 1985-2025 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------

==============================================================================
C++     | 803.sph_exa_s(base) 857.namd_s(base) 867.nest_s(base)
        | 872.marian_s(base)
------------------------------------------------------------------------------
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64,
  Version 2025.3.0 Build 20251010
Copyright (C) 1985-2025 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------

==============================================================================
C++, C  | 809.cactus_s(base)
------------------------------------------------------------------------------
Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64,
  Version 2025.3.0 Build 20251010
Copyright (C) 1985-2025 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------

==============================================================================
Fortran | 800.pot3d_s(base) 820.cloverleaf_s(base) 822.palm_s(base)
        | 849.fotonik3d_s(base) 865.roms_s(base)
------------------------------------------------------------------------------
Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version
  2025.3.0 Build 20251010
Copyright (C) 1985-2025 Intel Corporation. All rights reserved.
------------------------------------------------------------------------------

Base Compiler Invocation

C benchmarks:

 icx 

C++ benchmarks:

 icpx 

Fortran benchmarks:

 ifx 

Benchmarks using both C and C++:

 icpx   icx 

Base Portability Flags

800.pot3d_s:  -DSPEC_LP64 
803.sph_exa_s:  -DSPEC_LP64 
809.cactus_s:  -DSPEC_LP64 
811.tealeaf_s:  -DSPEC_LP64 
816.nab_s:  -DSPEC_LP64 
820.cloverleaf_s:  -DSPEC_LP64 
822.palm_s:  -DSPEC_LP64 
849.fotonik3d_s:  -DSPEC_LP64 
857.namd_s:  -DSPEC_LP64 
865.roms_s:  -DSPEC_LP64 
867.nest_s:  -DSPEC_LP64 
872.marian_s:  -DSPEC_LP64 
881.neutron_s:  -DSPEC_LP64 

Base Optimization Flags

C benchmarks:

 -m64   -std=c18   -Wl,-z,muldefs   -xgraniterapids   -mprefer-vector-width=512   -O3   -ffp-model=fast   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -L/usr/local/jemalloc-5.3.0/lib   -ljemalloc 

C++ benchmarks:

803.sph_exa_s:  -m64   -std=c++17   -Wl,-z,muldefs   -xgraniterapids   -mprefer-vector-width=512   -O3   -ffp-model=fast   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -L/usr/local/jemalloc-5.3.0/lib   -ljemalloc 
857.namd_s:  Same as 803.sph_exa_s 
867.nest_s:  Same as 803.sph_exa_s 
872.marian_s:  -m64   -std=c++17   -Wl,-z,muldefs   -xgraniterapids   -mprefer-vector-width=512   -O3   -ffp-model=fast   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -pthread   -L/usr/local/jemalloc-5.3.0/lib   -ljemalloc 

Fortran benchmarks:

 -m64   -stand f18   -Wl,-z,muldefs   -xgraniterapids   -mprefer-vector-width=512   -O3   -ffp-model=fast   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -DSPEC_OPENMP   -fiopenmp   -nostandard-realloc-lhs   -align array32byte   -auto   -L/usr/local/jemalloc-5.3.0/lib   -ljemalloc 

Benchmarks using both C and C++:

 -m64   -std=c++17   -std=c18   -Wl,-z,muldefs   -xgraniterapids   -mprefer-vector-width=512   -O3   -ffp-model=fast   -flto   -mfpmath=sse   -funroll-loops   -qopt-mem-layout-trans=4   -fiopenmp   -DSPEC_OPENMP   -L/usr/local/jemalloc-5.3.0/lib   -ljemalloc 

Peak Optimization Flags

C benchmarks:

811.tealeaf_s:  basepeak = yes 
816.nab_s:  basepeak = yes 
881.neutron_s:  basepeak = yes 

C++ benchmarks:

803.sph_exa_s:  basepeak = yes 
857.namd_s:  basepeak = yes 
867.nest_s:  basepeak = yes 
872.marian_s:  basepeak = yes 

Fortran benchmarks:

800.pot3d_s:  basepeak = yes 
820.cloverleaf_s:  basepeak = yes 
822.palm_s:  basepeak = yes 
849.fotonik3d_s:  basepeak = yes 
865.roms_s:  basepeak = yes 

Benchmarks using both C and C++:

809.cactus_s:  basepeak = yes 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2026/results/flags/HPE-Platform-Flags-Intel-GNR-rev1.4.html,
http://www.spec.org/cpu2026/results/flags/Intel-ic2025-official-linux64-cpu2026-0.902.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2026/results/flags/HPE-Platform-Flags-Intel-GNR-rev1.4.xml,
http://www.spec.org/cpu2026/results/flags/Intel-ic2025-official-linux64-cpu2026-0.902.xml.