SPEC CPU(R)2026 Floating Point Rate Result IEIT Systems Co., Ltd. meta brain NF5280G8 (Intel Xeon 6787P) CPU2026 License: 3358 Test date: Apr-2026 Test sponsor: IEIT Systems Co., Ltd. Hardware availability: Apr-2025 Tested by: IEIT Systems Co., Ltd. Software availability: Nov-2025 Base Base Base Peak Peak Peak Benchmarks Copies Run Time Rate Copies Run Time Rate ---------------- ------- --------- --------- ------- --------- --------- 709.cactus_r 344 336 879 * 709.cactus_r 344 336 879 S 722.palm_r 344 785 578 S 722.palm_r 344 786 578 * 731.astcenc_r 344 390 741 S 731.astcenc_r 344 390 741 * 736.ocio_r 344 408 737 * 736.ocio_r 344 408 737 S 737.gmsh_r 344 299 528 * 737.gmsh_r 344 299 529 S 748.flightdm_r 344 272 907 * 748.flightdm_r 344 271 910 S 749.fotonik3d_r 344 1900 209 S 749.fotonik3d_r 344 1901 209 * 765.roms_r 344 1894 286 S 765.roms_r 344 1894 286 * 766.femflow_r 344 341 1480 * 766.femflow_r 344 340 1480 S 767.nest_r 344 357 765 * 767.nest_r 344 352 776 S 772.marian_r 344 366 1480 S 772.marian_r 344 367 1480 * 782.lbm_r 344 2283 86.3 S 782.lbm_r 344 2284 86.3 * ================================================================================== 709.cactus_r 344 336 879 * 722.palm_r 344 786 578 * 731.astcenc_r 344 390 741 * 736.ocio_r 344 408 737 * 737.gmsh_r 344 299 528 * 748.flightdm_r 344 272 907 * 749.fotonik3d_r 344 1901 209 * 765.roms_r 344 1894 286 * 766.femflow_r 344 341 1480 * 767.nest_r 344 357 765 * 772.marian_r 344 367 1480 * 782.lbm_r 344 2284 86.3 * SPECrate(R)2026_fp_base 569 SPECrate(R)2026_fp_peak Not Run HARDWARE -------- CPU Name: Intel Xeon 6787P Max MHz: 3800 Nominal: 2000 Enabled: 172 cores, 2 chips, 2 threads/core Orderable: 1,2 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: 1 TB (16 x 64 GB 2Rx4 PC5-88/64B-H, running at 8000) Storage: 1 x 1.92 TB NVME SSD Cooling: Air Other: None SOFTWARE -------- OS: Red Hat Enterprise Linux 9.7 (Plow) 5.14.0-611.5.1.el9_7.x86_64 Compiler: C/C++/Fortran: Version 15.1.1 of GCC, the GNU Compiler Collection Compiler Category: Community Firmware: Version 04.01.00 released Dec-2025 File System: xfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: Not Applicable Other: None Power Management: BIOS and OS set to prefer performance at the cost of additional power usage. Submit Notes ------------ The numactl mechanism was used to bind copies to processors. The config file option 'submit' was used to generate numactl commands to bind each copy to a specific processor. For details, please see the config file. 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: LD_LIBRARY_PATH = "/opt/rh/gcc-toolset-15/root/usr/lib64/:/opt/rh/gcc-toolset-15/root/usr/ lib/:/lib64" General Notes ------------- 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. Platform Notes -------------- BIOS configuration: ENERGY_PERF_BIAS_CFG mode set to Performance SNC set to Enabled VT Support set to Disable Hardware P-states set to Disable Sysinfo program /home/CPU2026/bin/sysinfo Rev: 779ab21020787073335a329f3a45e2cd running on localhost Wed Aug 5 13:42:42 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 252 (252-55.el9) 12. Services, from systemctl list-unit-files 13. Linux kernel boot-time arguments, from /proc/cmdline 14. cpupower frequency-info 15. sysctl 16. /sys/kernel/mm/transparent_hugepage 17. /sys/kernel/mm/transparent_hugepage/khugepaged 18. OS release 19. Disk information 20. /sys/devices/virtual/dmi/id 21. dmidecode 22. BIOS ------------------------------------------------------------ ------------------------------------------------------------ 1. uname -srvm Linux 5.14.0-611.5.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Fri Oct 17 14:16:35 EDT 2025 x86_64 ------------------------------------------------------------ 2. w 13:42:42 up 3:29, 1 user, load average: 137.76, 281.95, 312.53 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root tty1 10:21 3:14m 1.37s 0.00s sh run.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) 4125704 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) 4125704 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize 31 login -- root -bash sh run.sh runcpu --config lgh.cfg --reportable --iterations=2 --size=all --tune=base fprate runcpu --configfile lgh.cfg --reportable --iterations 2 --size all --tune base --nopower --runmode rate --tune base --size test:train:refrate fprate --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.002/templogs/preenv.fprate.002.0.log --lognum 002.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /home/CPU2026 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6787P vendor_id : GenuineIntel cpu family : 6 model : 173 stepping : 1 microcode : 0x10003d0 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi spectre_v2_user cpu cores : 86 siblings : 172 2 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 0: apicids 0-85,128-213 physical id 1: apicids 256-341,384-469 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): 344 On-line CPU(s) list: 0-343 Vendor ID: GenuineIntel BIOS Vendor ID: Intel(R) Corporation Model name: Intel(R) Xeon(R) 6787P BIOS Model name: Intel(R) Xeon(R) 6787P CPU family: 6 Model: 173 Thread(s) per core: 2 Core(s) per socket: 86 Socket(s): 2 Stepping: 1 Frequency boost: enabled CPU(s) scaling MHz: 100% CPU max MHz: 2001.0000 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 ds_cpl 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 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 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 L1d cache: 8.1 MiB (172 instances) L1i cache: 10.8 MiB (172 instances) L2 cache: 344 MiB (172 instances) L3 cache: 672 MiB (2 instances) NUMA node(s): 4 NUMA node0 CPU(s): 0-42,172-214 NUMA node1 CPU(s): 43-85,215-257 NUMA node2 CPU(s): 86-128,258-300 NUMA node3 CPU(s): 129-171,301-343 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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; PBRSB-eIBRS Not affected; BHI BHI_DIS_S Vulnerability Srbds: Not affected Vulnerability Tsa: 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 8.1M 12 Data 1 64 1 64 L1i 64K 10.8M 16 Instruction 1 64 1 64 L2 2M 344M 16 Unified 2 2048 1 64 L3 336M 672M 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: 0-42,172-214 node 0 size: 257471 MB node 0 free: 229689 MB node 1 cpus: 43-85,215-257 node 1 size: 258026 MB node 1 free: 238366 MB node 2 cpus: 86-128,258-300 node 2 size: 257980 MB node 2 free: 237844 MB node 3 cpus: 129-171,301-343 node 3 size: 257996 MB node 3 free: 234796 MB node distances: node 0 1 2 3 0: 10 12 21 21 1: 12 10 21 21 2: 21 21 10 12 3: 21 21 12 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 1056230412 kB ------------------------------------------------------------ 10. who -r run-level 3 Aug 5 10:13 ------------------------------------------------------------ 11. Systemd service manager version: systemd 252 (252-55.el9) Default Target Status multi-user running ------------------------------------------------------------ 12. Services, from systemctl list-unit-files STATE UNIT FILES enabled NetworkManager NetworkManager-dispatcher NetworkManager-wait-online auditd crond dbus-broker firewalld getty@ insights-client-boot irqbalance kdump low-memory-monitor lvm2-monitor mdmonitor microcode nis-domainname nvmefc-boot-connections rhsmcertd rsyslog rtkit-daemon selinux-autorelabel-mark sshd sssd systemd-boot-update systemd-network-generator systemd-pstore udisks2 upower enabled-runtime systemd-remount-fs disabled blk-availability canberra-system-bootup canberra-system-shutdown canberra-system-shutdown-reboot console-getty cpupower debug-shell dnf-system-upgrade kvm_stat lvm-devices-import man-db-restart-cache-update nftables nvmf-autoconnect pesign rdisc rhcd rhsm rhsm-facts rpmdb-rebuild selinux-check-proper-disable serial-getty@ sshd-keygen@ systemd-boot-check-no-failures systemd-sysext indirect 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-5.14.0-611.5.1.el9_7.x86_64 root=/dev/mapper/rhel-root ro resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 320: current policy: frequency should be within 800 MHz and 2.00 GHz. The governor "performance" may decide which speed to use within this range. boost state support: Supported: yes Active: yes ------------------------------------------------------------ 15. 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 ------------------------------------------------------------ 16. /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 ------------------------------------------------------------ 17. /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 ------------------------------------------------------------ 18. OS release From /etc/*-release /etc/*-version os-release Red Hat Enterprise Linux 9.7 (Plow) redhat-release Red Hat Enterprise Linux release 9.7 (Plow) system-release Red Hat Enterprise Linux release 9.7 (Plow) ------------------------------------------------------------ 19. Disk information SPEC is set to: /home/CPU2026 Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/rhel-home xfs 856G 125G 732G 15% /home ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: IEIT SYSTEMS Product: NF5280-M8-A0-R0-00 Product Family: Not specified Serial: 000000000 ------------------------------------------------------------ 21. dmidecode Additional information from dmidecode 3.6 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: 4x Hynix HMCG98BDJHA380N 64 GB 2 rank 12800, configured at 8000 12x Hynix HMCG98BDJHA383N 64 GB 2 rank 12800, configured at 8000 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: American Megatrends International, LLC. BIOS Version: 04.01.00 BIOS Date: 12/17/2025 Compiler Version Notes ---------------------- ============================================================================== C | 782.lbm_r(base) ------------------------------------------------------------------------------ gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++ | 731.astcenc_r(base) 736.ocio_r(base) 748.flightdm_r(base) | 766.femflow_r(base) 767.nest_r(base) 772.marian_r(base) ------------------------------------------------------------------------------ g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 709.cactus_r(base pass 0) 737.gmsh_r(base pass 0) ------------------------------------------------------------------------------ g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 709.cactus_r(base pass 0) 737.gmsh_r(base pass 0) ------------------------------------------------------------------------------ gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 709.cactus_r(base pass 0) 737.gmsh_r(base pass 0) ------------------------------------------------------------------------------ g++ (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 709.cactus_r(base pass 0) 737.gmsh_r(base pass 0) ------------------------------------------------------------------------------ gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== Fortran | 722.palm_r(base) 749.fotonik3d_r(base) 765.roms_r(base) ------------------------------------------------------------------------------ GNU Fortran (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2) Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: gcc C++ benchmarks: g++ Fortran benchmarks: gfortran Benchmarks using both C and C++: g++ gcc Base Optimization Flags ----------------------- C benchmarks: -m64 -std=c18 -g -O3 -march=native C++ benchmarks: 731.astcenc_r: -m64 -std=c++17 -g -O3 -march=native 736.ocio_r: Same as 731.astcenc_r 748.flightdm_r: Same as 731.astcenc_r 766.femflow_r: -m64 -std=c++17 -g -O3 -march=native -pthread 767.nest_r: Same as 731.astcenc_r 772.marian_r: Same as 766.femflow_r Fortran benchmarks: -m64 -std=f2018 -g -O3 -march=native -fallow-argument-mismatch Benchmarks using both C and C++: -m64 -std=c++17 -std=c18 -g -O3 -march=native The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/gcc-rev-A2.html http://www.spec.org/cpu2026/results/flags/IEIT-Platform-Settings-intel-V2.0.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/gcc-rev-A2.xml http://www.spec.org/cpu2026/results/flags/IEIT-Platform-Settings-intel-V2.0.xml SPEC CPU and SPECrate are registered trademarks of the Standard Performance Evaluation Corporation. All other brand and product names appearing in this result are trademarks or registered trademarks of their respective holders. ---------------------------------------------------------------------------------------------------------------------------------- For questions about this result, please contact the tester. For other inquiries, please contact info@spec.org. Copyright 2026 Standard Performance Evaluation Corporation Tested with SPEC CPU(R)2026 v1.0.0 on 2026-08-05 13:42:41-0400. Report generated on 2026-05-04 23:26:09 by CPU2026 text formatter (aa18784a). Originally published on 2026-05-05.