SPEC CPU(R)2026 Floating Point Speed Result xFusion FusionServer 2288 V8 (Intel Xeon 6527P) CPU2026 License: 6488 Test date: Oct-2026 Test sponsor: xFusion Hardware availability: May-2025 Tested by: xFusion Software availability: Apr-2026 Base Base Base Peak Peak Peak Benchmarks Threads Run Time Ratio Threads Run Time Ratio ---------------- ------- --------- --------- ------- --------- --------- 800.pot3d_s 48 94.7 7.10 * 800.pot3d_s 48 92.4 7.28 S 803.sph_exa_s 48 68.7 18.0 S 803.sph_exa_s 48 68.7 18.0 * 809.cactus_s 48 165 6.79 * 809.cactus_s 48 162 6.91 S 811.tealeaf_s 48 136 4.10 * 811.tealeaf_s 48 134 4.14 S 816.nab_s 48 93.6 12.0 * 816.nab_s 48 93.4 12.1 S 820.cloverleaf_s 48 106 8.09 * 820.cloverleaf_s 48 106 8.10 S 822.palm_s 48 214 5.74 S 822.palm_s 48 216 5.70 * 849.fotonik3d_s 48 92.9 7.10 S 849.fotonik3d_s 48 93.4 7.06 * 857.namd_s 48 195 7.44 * 857.namd_s 48 194 7.47 S 865.roms_s 48 111 9.82 * 865.roms_s 48 109 9.97 S 867.nest_s 48 148 14.6 S 867.nest_s 48 149 14.5 * 872.marian_s 48 75.7 14.3 S 872.marian_s 48 76.4 14.2 * 881.neutron_s 48 209 3.89 S 881.neutron_s 48 211 3.86 * ================================================================================== 800.pot3d_s 48 94.7 7.10 * 803.sph_exa_s 48 68.7 18.0 * 809.cactus_s 48 165 6.79 * 811.tealeaf_s 48 136 4.10 * 816.nab_s 48 93.6 12.0 * 820.cloverleaf_s 48 106 8.09 * 822.palm_s 48 216 5.70 * 849.fotonik3d_s 48 93.4 7.06 * 857.namd_s 48 195 7.44 * 865.roms_s 48 111 9.82 * 867.nest_s 48 149 14.5 * 872.marian_s 48 76.4 14.2 * 881.neutron_s 48 211 3.86 * SPECspeed(R)2026_fp_base 8.24 SPECspeed(R)2026_fp_peak Not Run HARDWARE -------- CPU Name: Intel Xeon 6527P Max MHz: 4200 Nominal: 3000 Enabled: 48 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: 144 MB I+D on chip per chip Other: None Memory: 512 GB (16 x 32 GB 2Rx8 PC5-6400B-R) Storage: 1 x 960 GB SATA SSD Cooling: Air Other: None SOFTWARE -------- OS: Red Hat Enterprise Linux 9.4 (Plow) 5.14.0-427.13.1.el9_4.x86_64 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: Version 01.31.03.20 released Sep-2026 File System: xfs 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/QYL/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 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 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 configuration: Performance Profile Set to Load Balance Enable LP [Global] Set to Single LP LLC Prefetch Set to Enabled Adjacent Cache Prefetch Set to Disabled Latency Optimized Mode Set to Enabled Sysinfo program /home/QYL/cpu2026/bin/sysinfo Rev: 779ab21020787073335a329f3a45e2cd running on localhost Sat Oct 17 02:25:59 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 (252-32.el9_4) 12. Failed units, from systemctl list-units --state=failed 13. Services, from systemctl list-unit-files 14. Linux kernel boot-time arguments, from /proc/cmdline 15. cpupower frequency-info 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 5.14.0-427.13.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Apr 10 10:29:16 EDT 2024 x86_64 ------------------------------------------------------------ 2. w 02:25:59 up 1:51, 1 user, load average: 24.94, 16.85, 15.70 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root tty1 00:38 1:45m 1.12s 0.03s bash speed-2026.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) 2059662 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) 2059662 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 bash speed-2026.sh runcpu --nobuild --reportable --action validate --define default-platform-flags -c ic2026.0-graniterapids-cpu2026-1.0.1-speed-20260429.cfg --threads 48 --define cores=48 -o all --define drop_caches fpspeed --tune base runcpu --nobuild --reportable --action validate --define default-platform-flags --configfile ic2026.0-graniterapids-cpu2026-1.0.1-speed-20260429.cfg --threads 48 --define cores=48 --output_format all --define drop_caches --tune base --nopower --runmode speed --tune base --size refspeed fpspeed --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.002/templogs/preenv.fpspeed.002.0.log --lognum 002.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /home/QYL/cpu2026 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6527P vendor_id : GenuineIntel cpu family : 6 model : 173 stepping : 1 microcode : 0x1000434 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs cpu cores : 24 siblings : 24 2 physical ids (chips) 48 processors (hardware threads) physical id 0: core ids 0-23 physical id 1: core ids 0-23 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 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 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): 48 On-line CPU(s) list: 0-47 Vendor ID: GenuineIntel BIOS Vendor ID: Intel(R) Corporation Model name: Intel(R) Xeon(R) 6527P BIOS Model name: Intel(R) Xeon(R) 6527P CPU family: 6 Model: 173 Thread(s) per core: 1 Core(s) per socket: 24 Socket(s): 2 Stepping: 1 CPU(s) scaling MHz: 91% CPU max MHz: 4200.0000 CPU min MHz: 800.0000 BogoMIPS: 6000.00 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 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: 2.3 MiB (48 instances) L1i cache: 3 MiB (48 instances) L2 cache: 96 MiB (48 instances) L3 cache: 288 MiB (2 instances) NUMA node(s): 2 NUMA node0 CPU(s): 0-23 NUMA node1 CPU(s): 24-47 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 Not affected 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 2.3M 12 Data 1 64 1 64 L1i 64K 3M 16 Instruction 1 64 1 64 L2 2M 96M 16 Unified 2 2048 1 64 L3 144M 288M 16 Unified 3 147456 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: 0-23 node 0 size: 256921 MB node 0 free: 250520 MB node 1 cpus: 24-47 node 1 size: 258036 MB node 1 free: 256372 MB node distances: node 0 1 0: 10 21 1: 21 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 527317008 kB ------------------------------------------------------------ 10. who -r run-level 3 Oct 17 00:35 ------------------------------------------------------------ 11. Systemd service manager version: systemd 252 (252-32.el9_4) Default Target Status multi-user degraded ------------------------------------------------------------ 12. Failed units, from systemctl list-units --state=failed UNIT LOAD ACTIVE SUB DESCRIPTION * sep5.service loaded failed failed systemd script to load sep5 driver at boot time ------------------------------------------------------------ 13. Services, from systemctl list-unit-files STATE UNIT FILES enabled NetworkManager NetworkManager-dispatcher NetworkManager-wait-online auditd chronyd crond dbus-broker getty@ insights-client-boot irqbalance kdump low-memory-monitor lvm2-monitor mdmonitor microcode nis-domainname rhsmcertd rsyslog rtkit-daemon selinux-autorelabel-mark sep5 sshd sssd systemd-boot-update systemd-network-generator udisks2 upower enabled-runtime systemd-remount-fs disabled blk-availability canberra-system-bootup canberra-system-shutdown canberra-system-shutdown-reboot chrony-wait chronyd-restricted console-getty cpupower debug-shell dnf-system-upgrade firewalld kvm_stat man-db-restart-cache-update nftables pesign 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 sssd-autofs sssd-kcm sssd-nss sssd-pac sssd-pam sssd-ssh sssd-sudo systemd-sysupdate systemd-sysupdate-reboot ------------------------------------------------------------ 14. 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 ------------------------------------------------------------ 15. cpupower frequency-info analyzing CPU 15: current policy: frequency should be within 800 MHz and 4.20 GHz. The governor "performance" may decide which speed to use within this range. boost state support: Supported: yes Active: yes ------------------------------------------------------------ 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 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/QYL/cpu2026 Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/rhel-home xfs 819G 81G 738G 10% /home ------------------------------------------------------------ 21. /sys/devices/virtual/dmi/id Vendor: XFUSION Product: 2288 V8 Product Family: Birch Stream ------------------------------------------------------------ 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: 8x Samsung M321R4GA3EB2-CCPEC 32 GB 2 rank 6400 1x Samsung M321R4GA3EB2-CCPKC 32 GB 2 rank 6400 1x Samsung M321R4GA3EB2-CCPPC 32 GB 2 rank 6400 2x Samsung M321R4GA3EB2-CCPWC 32 GB 2 rank 6400 4x Samsung M321R4GA3EB2-CCPWF 32 GB 2 rank 6400 ------------------------------------------------------------ 23. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: XFUSION BIOS Version: 01.31.03.20 BIOS Date: 09/08/2026 BIOS Revision: 3.20 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-ic2026-official-linux64-v1.1.html http://www.spec.org/cpu2026/results/flags/xFusion-Platform-Settings-GNR-V1.7.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/Intel-ic2026-official-linux64-v1.1.xml http://www.spec.org/cpu2026/results/flags/xFusion-Platform-Settings-GNR-V1.7.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 2026-10-17 02:25:59-0400. Report generated on 2026-11-04 10:51:10 by CPU2026 text formatter (aa18784a). Originally published on 2026-11-03.