SPEC CPU(R)2026 Floating Point Speed Result Lenovo Global Technology ThinkSystem SR850 V4 (2.50 GHZ, Intel Xeon 6748P) CPU2026 License: 9017 Test date: Feb-2026 Test sponsor: Lenovo Global Technology Hardware availability: Nov-2025 Tested by: Lenovo Global Technology Software availability: Jan-2026 Base Base Base Base Base Base Base Peak Peak Peak Peak Peak Peak Peak Benchmarks Threads RunTime Ratio Energy MaxPwr AvgPwr ERatio Threads RunTime Ratio Energy MaxPwr AvgPwr ERatio ---------------- ------- ------- ------ ------ ------ ------ ------ ------- ------- ------ ------ ------ ------ ------ 800.pot3d_s 384 233 2.89 243 1240 1040 0.519 S 800.pot3d_s 384 240 2.80 248 1120 1030 0.508 * 800.pot3d_s 384 250 2.69 259 1110 1030 0.488 S 803.sph_exa_s 384 79.1 15.7 71.9 1320 910 2.91 * 803.sph_exa_s 384 85.0 14.6 76.2 1240 896 2.75 S 803.sph_exa_s 384 74.6 16.6 67.2 1290 901 3.12 S 809.cactus_s 384 276 4.07 223 947 810 0.907 * 809.cactus_s 384 300 3.74 241 946 805 0.839 S 809.cactus_s 384 257 4.37 216 983 843 0.936 S 811.tealeaf_s 384 58.8 9.48 68.1 1200 1160 2.05 S 811.tealeaf_s 384 59.9 9.30 68.5 1210 1140 2.04 * 811.tealeaf_s 384 64.9 8.59 74.6 1220 1150 1.87 S 816.nab_s 384 70.3 16.0 73.2 1100 1040 2.64 S 816.nab_s 384 70.6 15.9 73.1 1100 1030 2.64 S 816.nab_s 384 70.3 16.0 73.4 1160 1040 2.63 * 820.cloverleaf_s 384 75.2 11.4 108 1540 1440 1.54 S 820.cloverleaf_s 384 60.2 14.2 89.8 1550 1490 1.86 S 820.cloverleaf_s 384 72.1 11.9 105 1500 1450 1.59 * 822.palm_s 384 1519 0.808 1340 1080 879 0.155 * 822.palm_s 384 1484 0.828 1310 1090 881 0.159 S 822.palm_s 384 1541 0.797 1350 1090 873 0.154 S 849.fotonik3d_s 384 90.9 7.26 113 1350 1240 1.09 S 849.fotonik3d_s 384 99.8 6.61 123 1320 1230 1.00 * 849.fotonik3d_s 384 102 6.48 126 1330 1240 0.978 S 857.namd_s 384 136 10.7 156 1260 1150 1.70 S 857.namd_s 384 137 10.6 158 1250 1150 1.69 * 857.namd_s 384 150 9.67 170 1210 1130 1.57 S 865.roms_s 384 300 3.63 312 1160 1040 0.742 S 865.roms_s 384 513 2.13 502 1190 978 0.462 * 865.roms_s 384 692 1.58 660 1210 954 0.351 S 867.nest_s 384 94.7 22.8 96.2 1330 1020 4.02 S 867.nest_s 384 91.3 23.7 92.9 1320 1020 4.16 * 867.nest_s 384 89.8 24.0 91.6 1330 1020 4.22 S 872.marian_s 384 175 6.18 105 1160 600 1.54 S 872.marian_s 384 175 6.18 105 1210 598 1.54 * 872.marian_s 384 186 5.80 110 1180 591 1.46 S 881.neutron_s 384 196 4.15 137 1350 697 0.963 S 881.neutron_s 384 201 4.06 140 1350 699 0.938 S 881.neutron_s 384 201 4.06 142 1350 706 0.929 * ============================================================================================================================ 800.pot3d_s 384 240 2.80 248 1120 1030 0.508 * 803.sph_exa_s 384 79.1 15.7 71.9 1320 910 2.91 * 809.cactus_s 384 276 4.07 223 947 810 0.907 * 811.tealeaf_s 384 59.9 9.30 68.5 1210 1140 2.04 * 816.nab_s 384 70.3 16.0 73.4 1160 1040 2.63 * 820.cloverleaf_s 384 72.1 11.9 105 1500 1450 1.59 * 822.palm_s 384 1519 0.808 1340 1080 879 0.155 * 849.fotonik3d_s 384 99.8 6.61 123 1320 1230 1.00 * 857.namd_s 384 137 10.6 158 1250 1150 1.69 * 865.roms_s 384 513 2.13 502 1190 978 0.462 * 867.nest_s 384 91.3 23.7 92.9 1320 1020 4.16 * 872.marian_s 384 175 6.18 105 1210 598 1.54 * 881.neutron_s 384 201 4.06 142 1350 706 0.929 * SPECspeed(R)2026_fp_energy_base 1.18 SPECspeed(R)2026_fp_base 6.26 SPECspeed(R)2026_fp_energy_peak Not Run SPECspeed(R)2026_fp_peak Not Run HARDWARE -------- CPU Name: Intel Xeon 6748P Max MHz: 4100 Nominal: 2500 Enabled: 192 cores, 4 chips, 2 threads/core Orderable: 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: 192 MB I+D on chip per chip Other: None Memory: 2 TB (32 x 64 GB 2Rx4 PC5-6400B-R) Storage: 1 x 960 GB M.2 NVMe SSD Cooling: Air Other: None SOFTWARE -------- OS: SUSE Linux Enterprise Server 15 SP7 Kernel 6.4.0-150700.51-default 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: BIOS Version RVE105I 1.20 released Dec-2025 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 set to balance power and performance POWER ----- Max. Power (W): 1545.0 Idle Power (W): 384.96 Min. Temperature (C): 22.38 Elevation (m): 43 Line Standard: 220 V / 50 Hz / 1 phase / 3 wires Provisioning: Line-powered POWER SETTINGS -------------- Management FW: Version 2.00 of IHX427H Memory Mode: Normal POWER-RELEVANT HARDWARE ----------------------- Power Supply: 2 x 2000 W (redundant) Details: ThinkSystem 2000W 230V Titanium CRPS Hot-Swap Backplane: M.2 SATA/NVMe Drive Assembly Kit Other Storage: None Storage Model #s: 4XB7A13999 NICs Installed: 1 x ThinkSystem Ethernet 2-port Adaptor @ 10 Gb NICs Enabled (FW/OS): 2 / 1 NICs Connected/Speed: 1 @ 10 Gb Other HW Model #s: 6 x Performance fans POWER ANALYZER -------------- Power Analyzer: WIN:9888 Hardware Vendor: YOKOGAWA, Inc. Model: YokogawaWT310E Serial Number: C3SH31009E Input Connection: Default Metrology Institute: CNAS Calibration By: CEPREI Calibration and Testing Centre Calibration Label: 1GA25011731-0001 Calibration Date: 15-Sep-2025 PTDaemon(R) Version: 1.11.1 (462c978e; 2024-09-07) Setup Description: Connected to PSU1 Current Ranges Used: 10A Voltage Range Used: 300V TEMPERATURE METER ----------------- Temperature Meter: WIN:9889 Hardware Vendor: Digi International, Inc. Model: DigiWATCHPORT_H Serial Number: W63181846 Input Connection: USB PTDaemon Version: 1.11.1 (462c978e; 2024-09-07) Setup Description: 50 mm in front of SUT main intake 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 = "/home/cpu2026-0.902.0-ic2025p3/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 configuration: Workload Profile set to Custom Page Policy set to Adaptive LLC Prefetch set to Enabled Platform Controlled Type set to Performance Stale AtoS set to Enabled UPI Link Frequency set to Balanced CPU P-state Control set to None Sysinfo program /home/cpu2026-0.902.0-ic2025p3/bin/sysinfo Rev: 069f95da7e7f5d81b2ce48a82150e54f running on localhost Thu Feb 5 23:11:54 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. 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 6.4.0-150700.51-default #1 SMP PREEMPT_DYNAMIC Wed Apr 30 21:35:43 UTC 2025 (6930611) x86_64 ------------------------------------------------------------ 2. w 23:11:54 up 4 min, 1 user, load average: 0.06, 0.36, 0.20 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT ------------------------------------------------------------ 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) 8254672 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) 8254672 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize=42 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups sshd: root [priv] sshd: root@notty /bin/bash ./02.remote_local_SPECcpu_1.01.sh sh Run343-compliant-ic2025.3-lin-graniterapids-speedfp-base-smt-on-20260121.sh runcpu --power --nobuild --reportable --iterations=3 --action validate --define default-platform-flags -c ic2025.3-graniterapids-cpu2026-0.902-speed-20260121.cfg --threads 384 --define cores=192 --tune base -o all --define smt-on --define drop_caches fpspeed runcpu --power --nobuild --reportable --iterations 3 --action validate --define default-platform-flags --configfile ic2025.3-graniterapids-cpu2026-0.902-speed-20260121.cfg --threads 384 --define cores=192 --tune base --output_format all --define smt-on --define drop_caches --runmode speed --tune base --size refspeed fpspeed --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.025/templogs/preenv.fpspeed.025.0.log --lognum 025.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /home/cpu2026-0.902.0-ic2025p3 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6748P vendor_id : GenuineIntel cpu family : 6 model : 173 stepping : 1 microcode : 0x1000405 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi cpu cores : 48 siblings : 96 4 physical ids (chips) 384 processors (hardware threads) physical id 0: core ids 0-47 physical id 1: core ids 0-47 physical id 2: core ids 0-47 physical id 3: core ids 0-47 physical id 0: apicids 0-95 physical id 1: apicids 128-223 physical id 2: apicids 256-351 physical id 3: apicids 384-479 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): 384 On-line CPU(s) list: 0-383 Vendor ID: GenuineIntel Model name: Intel(R) Xeon(R) 6748P CPU family: 6 Model: 173 Thread(s) per core: 2 Core(s) per socket: 48 Socket(s): 4 Stepping: 1 BogoMIPS: 5000.00 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 user_shstk avx_vnni avx512_bf16 wbnoinvd dtherm arat pln pts 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: 9 MiB (192 instances) L1i cache: 12 MiB (192 instances) L2 cache: 384 MiB (192 instances) L3 cache: 768 MiB (4 instances) NUMA node(s): 4 NUMA node0 CPU(s): 0-47,192-239 NUMA node1 CPU(s): 48-95,240-287 NUMA node2 CPU(s): 96-143,288-335 NUMA node3 CPU(s): 144-191,336-383 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 9M 12 Data 1 64 1 64 L1i 64K 12M 16 Instruction 1 64 1 64 L2 2M 384M 16 Unified 2 2048 1 64 L3 192M 768M 16 Unified 3 196608 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: 0-47,192-239 node 0 size: 515607 MB node 0 free: 513889 MB node 1 cpus: 48-95,240-287 node 1 size: 516031 MB node 1 free: 514821 MB node 2 cpus: 96-143,288-335 node 2 size: 516070 MB node 2 free: 514945 MB node 3 cpus: 144-191,336-383 node 3 size: 515986 MB node 3 free: 514959 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: 2113224068 kB ------------------------------------------------------------ 10. who -r run-level 3 Feb 5 23:08 ------------------------------------------------------------ 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 getty@ irqbalance issue-generator kbdsettings klog lvm2-monitor nscd nvmefc-boot-connections nvmf-autoconnect postfix purge-kernels rollback rsyslog 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 systemd-boot-check-no-failures systemd-confext systemd-network-generator systemd-sysext systemd-time-wait-sync systemd-timesyncd tuned generated ntp_sync 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=5caa0f87-5156-4d0e-b8a9-eafcf70a6b5a splash=silent mitigations=auto quiet security=apparmor ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 30: Unable to determine current policy boost state support: Supported: no Active: no ------------------------------------------------------------ 15. tuned-adm active It seems that tuned daemon is not running, preset profile is not activated. Preset profile: latency-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 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 SUSE Linux Enterprise Server 15 SP7 ------------------------------------------------------------ 20. Disk information SPEC is set to: /home/cpu2026-0.902.0-ic2025p3 Filesystem Type Size Used Avail Use% Mounted on /dev/nvme0n1p3 xfs 890G 256G 635G 29% / ------------------------------------------------------------ 21. /sys/devices/virtual/dmi/id Vendor: Lenovo Product: ThinkSystem SR850 V4 Product Family: ThinkSystem Serial: 9876543210 ------------------------------------------------------------ 22. 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: 5x Samsung M321R8GA0PB2-CCPEC 64 GB 2 rank 6400 6x Samsung M321R8GA0PB2-CCPKC 64 GB 2 rank 6400 17x Samsung M321R8GA0PB2-CCPPC 64 GB 2 rank 6400 4x Samsung M321R8GA0PB2-CCPWC 64 GB 2 rank 6400 ------------------------------------------------------------ 23. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: Lenovo BIOS Version: RVE105I-1.20 BIOS Date: 12/16/2025 BIOS Revision: 1.20 Firmware Revision: 2.0 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 The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/Lenovo-Platform-SPECcpu-Flags-V1.2-Birchstream-M.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/Lenovo-Platform-SPECcpu-Flags-V1.2-Birchstream-M.xml http://www.spec.org/cpu2026/results/flags/Intel-ic2025-official-linux64-cpu2026-0.902.xml PTDaemon, 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 v0.902.0 on 2026-02-05 10:11:53-0500. Report generated on 2026-05-04 23:34:15 by CPU2026 text formatter (aa18784a). Originally published on 2026-05-05.