SPEC CPU(R)2026 Floating Point Speed Result Fsas Technologies Inc. PRIMERGY RX2540 M8, Intel Xeon 6787P, 2.00GHz Test Sponsor: Fujitsu CPU2026 License: 19 Test date: Jun-2026 Test sponsor: Fujitsu Hardware availability: Oct-2025 Tested by: Fsas Technologies Inc. Software availability: Apr-2026 Base Base Base Peak Peak Peak Benchmarks Threads Run Time Ratio Threads Run Time Ratio ---------------- ------- --------- --------- ------- --------- --------- 800.pot3d_s 172 58.2 11.6 S 800.pot3d_s 172 59.6 11.3 * 803.sph_exa_s 172 39.7 31.2 S 803.sph_exa_s 172 39.7 31.1 * 809.cactus_s 172 147 7.65 * 809.cactus_s 172 145 7.75 S 811.tealeaf_s 172 51.4 10.8 S 811.tealeaf_s 172 51.6 10.8 * 816.nab_s 172 49.2 22.9 * 816.nab_s 172 49.1 22.9 S 820.cloverleaf_s 172 77.7 11.0 * 820.cloverleaf_s 172 77.5 11.1 S 822.palm_s 172 209 5.87 * 822.palm_s 172 205 5.98 S 849.fotonik3d_s 172 69.9 9.44 * 849.fotonik3d_s 172 69.8 9.45 S 857.namd_s 172 85.7 16.9 * 857.namd_s 172 85.4 17.0 S 865.roms_s 172 56.5 19.3 * 865.roms_s 172 56.4 19.3 S 867.nest_s 172 59.5 36.3 * 867.nest_s 172 59.5 36.3 S 872.marian_s 172 75.3 14.4 * 872.marian_s 172 74.0 14.6 S 881.neutron_s 172 129 6.31 S 881.neutron_s 172 130 6.26 * ================================================================================== 800.pot3d_s 172 59.6 11.3 * 803.sph_exa_s 172 39.7 31.1 * 809.cactus_s 172 147 7.65 * 811.tealeaf_s 172 51.6 10.8 * 816.nab_s 172 49.2 22.9 * 820.cloverleaf_s 172 77.7 11.0 * 822.palm_s 172 209 5.87 * 849.fotonik3d_s 172 69.9 9.44 * 857.namd_s 172 85.7 16.9 * 865.roms_s 172 56.5 19.3 * 867.nest_s 172 59.5 36.3 * 872.marian_s 172 75.3 14.4 * 881.neutron_s 172 130 6.26 * SPECspeed(R)2026_fp_base 13.4 SPECspeed(R)2026_fp_peak Not Run HARDWARE -------- CPU Name: Intel Xeon 6787P Max MHz: 3800 Nominal: 2000 Enabled: 172 cores, 2 chips 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: 512 GB (16 x 32 GB 2Rx8 PC5-88/56B-M, running at 8000) Storage: 1 x PCIe SSD, 1.92TB Cooling: Air Other: None SOFTWARE -------- OS: SUSE Linux Enterprise Server 15 SP7 6.4.0-150700.51-default Compiler: C/C++: Version 2026.0 of Intel oneAPI DPC++/C++ Compiler for Linux; Fortran: Version 2026.0 of Intel Fortran Compiler for Linux Compiler Category: Vendor Firmware: Fsas Technologies Inc. BIOS Version V1.0.0.0 R1.5.0 for D4135-A1x. Released Apr-2026 File System: btrfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: Not Applicable Other: jemalloc memory allocator v5.3 Power Management: BIOS and OS set to prefer performance at the cost of additional power usage 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,scatter" LD_LIBRARY_PATH = "/home/Benchmark/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 CentOS Stream 9. 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 CentOS Stream 9, and the system compiler gcc 11.5.0 sources available from jemalloc.net or https://github.com/jemalloc/jemalloc/releases Platform Notes -------------- BIOS Settings: Fan Control = Full SNC (Sub NUMA) = Enabled CPU Performance Boost = Aggressive Logical Processor (LP) = Single LP Adjacent Cache Line Prefetch = Disabled LLC Prefetch = Enabled Latency Optimized Mode = Enabled UPI Link L0p = Disabled CPU C1 auto demotion = Enabled Sysinfo program /home/Benchmark/cpu2026/bin/sysinfo Rev: 779ab21020787073335a329f3a45e2cd running on localhost Tue Jun 2 19:44:04 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 254 (254.24+suse.148.g83b9060b6e) 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 6.4.0-150700.51-default #1 SMP PREEMPT_DYNAMIC Wed Apr 30 21:35:43 UTC 2025 (6930611) x86_64 ------------------------------------------------------------ 2. w 19:44:04 up 1:42, 2 users, load average: 6.03, 52.38, 92.34 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 192.168.10.106 18:15 1:28m 1.41s 0.27s -bash root pts/1 192.168.10.106 19:17 19:31 0.03s 0.03s -bash ------------------------------------------------------------ 3. Username From environment variable $USER: root ------------------------------------------------------------ 4. ulimit -a core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 2062207 max locked memory (kbytes, -l) 8192 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) 2062207 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize=30 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups sshd: root [priv] sshd: root@pts/0 -bash -bash runcpu --nobuild --reportable --action validate --define default-platform-flags -c ic2026.0-graniterapids-cpu2026-1.0.1-speed-20260429.cfg --threads 172 --define cores=172 --tune base -o all --define drop_caches fpspeed runcpu --nobuild --reportable --action validate --define default-platform-flags --configfile ic2026.0-graniterapids-cpu2026-1.0.1-speed-20260429.cfg --threads 172 --define cores=172 --tune base --output_format all --define drop_caches --nopower --runmode speed --tune base --size refspeed fpspeed --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.001/templogs/preenv.fpspeed.001.0.log --lognum 001.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /home/Benchmark/cpu2026 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6787P vendor_id : GenuineIntel cpu family : 6 model : 173 stepping : 1 microcode : 0x1000405 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi cpu cores : 86 siblings : 86 2 physical ids (chips) 172 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 0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72 ,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 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 2.40.4: 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): 172 On-line CPU(s) list: 0-171 Vendor ID: GenuineIntel Model name: Intel(R) Xeon(R) 6787P CPU family: 6 Model: 173 Thread(s) per core: 1 Core(s) per socket: 86 Socket(s): 2 Stepping: 1 CPU(s) scaling MHz: 26% 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 intel_ppin cdp_l2 ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm 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 Virtualization: VT-x 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): 2 NUMA node0 CPU(s): 0-85 NUMA node1 CPU(s): 86-171 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 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: 2 nodes (0-1) node 0 cpus: 0-85 node 0 size: 257632 MB node 0 free: 256612 MB node 1 cpus: 86-171 node 1 size: 257946 MB node 1 free: 256597 MB node distances: node 0 1 0: 10 21 1: 21 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 527952796 kB ------------------------------------------------------------ 10. who -r run-level 3 Jun 2 18:03 ------------------------------------------------------------ 11. Systemd service manager version: systemd 254 (254.24+suse.148.g83b9060b6e) Default Target Status multi-user running ------------------------------------------------------------ 12. Services, from systemctl list-unit-files STATE UNIT FILES enabled YaST2-Firstboot YaST2-Second-Stage apparmor auditd cron display-manager getty@ irqbalance issue-generator kbdsettings klog lvm2-monitor nscd nvmefc-boot-connections nvmf-autoconnect postfix purge-kernels rollback rsyslog sep5 smartd sshd systemd-pstore wicked wickedd-auto4 wickedd-dhcp4 wickedd-dhcp6 wickedd-nanny enabled-runtime systemd-remount-fs disabled autofs autoyast-initscripts blk-availability boot-sysctl ca-certificates chrony-wait chronyd console-getty cups cups-browsed debug-shell ebtables exchange-bmc-os-info firewalld fsidd gpm grub2-once haveged ipmi ipmievd issue-add-ssh-keys kexec-load lunmask man-db-create multipathd nfs nfs-blkmap rpcbind rpmconfigcheck rsyncd serial-getty@ smartd_generate_opts snmpd snmptrapd sysstat systemd-boot-check-no-failures systemd-confext systemd-network-generator systemd-sysext systemd-time-wait-sync systemd-timesyncd vncserver@ indirect systemd-userdbd wickedd ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.4.0-150700.51-default root=UUID=6490486a-f020-45c4-b83e-03e98fc56a3b splash=silent mitigations=auto quiet security=apparmor tsx=auto ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 42: current policy: frequency should be within 800 MHz and 3.80 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 SUSE Linux Enterprise Server 15 SP7 ------------------------------------------------------------ 19. Disk information SPEC is set to: /home/Benchmark/cpu2026 Filesystem Type Size Used Avail Use% Mounted on /dev/nvme1n1p2 btrfs 1.9T 156G 1.8T 9% /home ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: Fsas Technologies Product: PRIMERGY RX2540 M8 Product Family: SERVER Serial: xxxxxxxxxx ------------------------------------------------------------ 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: 16x Samsung M327R4GA3EB0-CLVXB 32 GB 2 rank 8800, configured at 8000 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: Fsas Technologies BIOS Version: V1.0.0.0 R1.5.0 for D4135-A1x BIOS Date: 03/06/2026 BIOS Revision: 1.5 Firmware Revision: 3.12 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 2026.0.0 Build 20260331 Copyright (C) 1985-2026 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 2026.0.0 Build 20260331 Copyright (C) 1985-2026 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 2026.0.0 Build 20260331 Copyright (C) 1985-2026 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 2026.0.0 Build 20260331 Copyright (C) 1985-2026 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 Optimization Flags ----------------------- C benchmarks: -m64 -std=c18 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -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: -m64 -std=c++17 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -xgraniterapids -mprefer-vector-width=512 -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -pthread -fiopenmp -DSPEC_OPENMP -L/usr/local/jemalloc-5.3.0/lib -ljemalloc Fortran benchmarks: -m64 -stand f18 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -xgraniterapids -mprefer-vector-width=512 -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -DSPEC_OPENMP -fiopenmp -L/usr/local/jemalloc-5.3.0/lib -ljemalloc Benchmarks using both C and C++: -m64 -std=c++17 -std=c18 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -xgraniterapids -mprefer-vector-width=512 -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -fiopenmp -DSPEC_OPENMP -pthread -L/usr/local/jemalloc-5.3.0/lib -ljemalloc The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/Intel-ic2025-official-linux64.html http://www.spec.org/cpu2026/results/flags/Fsas-Platform-Settings-V1.0-GNR-RevB.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/Intel-ic2025-official-linux64.xml http://www.spec.org/cpu2026/results/flags/Fsas-Platform-Settings-V1.0-GNR-RevB.xml SPEC CPU and SPECspeed 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 v1.0.1 on 2026-06-02 06:44:03-0400. Report generated on 2026-06-16 17:19:32 by CPU2026 text formatter (aa18784a). Originally published on 2026-06-16.