SPEC CPU(R)2026 Floating Point Speed Result Hewlett Packard Enterprise ProLiant Compute DL540 Gen12 (2.20 GHz, Intel Xeon 6990E+) Test Sponsor: HPE CPU2026 License: 3 Test date: Oct-2026 Test sponsor: HPE Hardware availability: Dec-2026 Tested by: HPE Software availability: Apr-2026 Base Base Base Peak Peak Peak Benchmarks Threads Run Time Ratio Threads Run Time Ratio ---------------- ------- --------- --------- ------- --------- --------- 800.pot3d_s 288 85.1 7.91 S 288 85.1 7.91 S 800.pot3d_s 288 80.0 8.41 * 288 80.0 8.41 * 800.pot3d_s 288 76.8 8.76 S 288 76.8 8.76 S 803.sph_exa_s 288 66.6 18.6 * 288 66.6 18.6 * 803.sph_exa_s 288 67.2 18.4 S 288 67.2 18.4 S 803.sph_exa_s 288 64.8 19.1 S 288 64.8 19.1 S 809.cactus_s 288 135 8.30 S 288 135 8.30 S 809.cactus_s 288 136 8.23 * 288 136 8.23 * 809.cactus_s 288 137 8.22 S 288 137 8.22 S 811.tealeaf_s 288 42.9 13.0 S 288 47.1 11.8 S 811.tealeaf_s 288 43.8 12.7 * 288 42.1 13.2 S 811.tealeaf_s 288 56.9 9.78 S 288 43.7 12.7 * 816.nab_s 288 53.2 21.2 S 288 51.6 21.8 S 816.nab_s 288 53.3 21.1 S 288 52.1 21.6 S 816.nab_s 288 53.3 21.1 * 288 52.0 21.6 * 820.cloverleaf_s 288 100 8.54 S 288 99.2 8.64 * 820.cloverleaf_s 288 108 7.93 S 288 97.7 8.77 S 820.cloverleaf_s 288 101 8.47 * 288 100 8.55 S 822.palm_s 288 275 4.46 S 288 275 4.46 S 822.palm_s 288 278 4.42 S 288 278 4.42 S 822.palm_s 288 275 4.46 * 288 275 4.46 * 849.fotonik3d_s 288 86.0 7.67 S 288 86.0 7.67 S 849.fotonik3d_s 288 91.4 7.22 S 288 91.4 7.22 S 849.fotonik3d_s 288 86.5 7.63 * 288 86.5 7.63 * 857.namd_s 288 79.6 18.3 S 288 79.5 18.3 * 857.namd_s 288 80.1 18.1 * 288 78.4 18.5 S 857.namd_s 288 80.3 18.1 S 288 80.9 17.9 S 865.roms_s 288 72.2 15.1 S 288 72.2 15.1 S 865.roms_s 288 78.0 14.0 * 288 78.0 14.0 * 865.roms_s 288 78.2 13.9 S 288 78.2 13.9 S 867.nest_s 288 66.0 32.7 S 288 66.0 32.7 S 867.nest_s 288 61.1 35.3 S 288 61.1 35.3 S 867.nest_s 288 63.0 34.3 * 288 63.0 34.3 * 872.marian_s 288 107 10.2 * 288 107 10.2 * 872.marian_s 288 97.9 11.1 S 288 97.9 11.1 S 872.marian_s 288 114 9.53 S 288 114 9.53 S 881.neutron_s 288 152 5.36 * 288 152 5.36 * 881.neutron_s 288 155 5.27 S 288 155 5.27 S 881.neutron_s 288 149 5.49 S 288 149 5.49 S ================================================================================== 800.pot3d_s 288 80.0 8.41 * 288 80.0 8.41 * 803.sph_exa_s 288 66.6 18.6 * 288 66.6 18.6 * 809.cactus_s 288 136 8.23 * 288 136 8.23 * 811.tealeaf_s 288 43.8 12.7 * 288 43.7 12.7 * 816.nab_s 288 53.3 21.1 * 288 52.0 21.6 * 820.cloverleaf_s 288 101 8.47 * 288 99.2 8.64 * 822.palm_s 288 275 4.46 * 288 275 4.46 * 849.fotonik3d_s 288 86.5 7.63 * 288 86.5 7.63 * 857.namd_s 288 80.1 18.1 * 288 79.5 18.3 * 865.roms_s 288 78.0 14.0 * 288 78.0 14.0 * 867.nest_s 288 63.0 34.3 * 288 63.0 34.3 * 872.marian_s 288 107 10.2 * 288 107 10.2 * 881.neutron_s 288 152 5.36 * 288 152 5.36 * SPECspeed(R)2026_fp_base 11.3 SPECspeed(R)2026_fp_peak 11.3 HARDWARE -------- CPU Name: Intel Xeon 6990E+ Max MHz: 3200 Nominal: 2200 Enabled: 288 cores, 1 chip Orderable: 1 Chip Cache L1: 64 KB I + 32 KB D on chip per core L2: 288 MB I+D on chip per chip, 4 MB shared / 4 cores L3: 576 MB I+D on chip per chip Other: None Memory: 768 GB (12 x 64 GB 2Rx4 PC5-8000B-R) Storage: 1 x 1.6 TB NVMe SSD Cooling: Air Other: None SOFTWARE -------- OS: SUSE Linux Enterprise Server 15 SP7 Kernel 6.4.0-150700.53.6-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: HPE BIOS Version v1.92 09/18/2026 released Sep-2026 File System: btrfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: 64-bit Other: jemalloc memory allocator v5.3 Power Management: BIOS set to prefer performance at the cost of additional power usage Operating System Notes ---------------------- Stack size set to unlimited using "ulimit -s unlimited" 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 tuned-adm profile was stopped using 'systemctl stop tuned' 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 CentOS Stream 9. 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 Configurations : Parameters are selected in the order shown below Workload Profile set to General Throughput Compute Thermal Configuration set to Maximum Cooling Enhanced Processor Performance Profile set to Aggressive Enhanced C-states set to Disabled Sysinfo program /home/cpu2026/bin/sysinfo Rev: 779ab21020787073335a329f3a45e2cd running on localhost Sun Oct 11 00:38:13 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 (254.27+suse.167.g130293e510) 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 6.4.0-150700.53.6-default #1 SMP PREEMPT_DYNAMIC Tue Jul 1 14:54:47 UTC 2025 (8ab7501) x86_64 ------------------------------------------------------------ 2. w 00:38:13 up 8:16, 5 users, load average: 0.02, 0.01, 0.00 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 172.16.0.100 00:34 45.00s 0.04s 0.04s -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) 3094216 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) 3094216 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 bash -c cd $SPEC/ && $SPEC/fpspeed_sierra.sh runcpu --nobuild --reportable --action validate --define default-platform-flags -c ic2026.0-sierraforest-cpu2026-1.0.1-speed-20260429.cfg --iterations=3 --reportable --threads 288 --define cores=288 --tune base,peak -o all --define smt-on --define drop_caches fpspeed runcpu --nobuild --reportable --action validate --define default-platform-flags --configfile ic2026.0-sierraforest-cpu2026-1.0.1-speed-20260429.cfg --iterations 3 --reportable --threads 288 --define cores=288 --tune base,peak --output_format all --define smt-on --define drop_caches --nopower --runmode speed --tune base:peak --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/cpu2026 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6990E+ vendor_id : GenuineIntel cpu family : 6 model : 221 stepping : 1 microcode : 0x1000151 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi cpu cores : 288 siblings : 288 1 physical ids (chips) 288 processors (hardware threads) physical id 0: core ids 0-95,128-223,256-351 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 ,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,1 32,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,18 4,186,188,190,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286,288,290,292,294,296,298,300 ,302,304,306,308,310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,340,342,344,346,348,350,352, 354,356,358,360,362,364,366,368,370,372,374,376,378,380,382,384,386,388,390,392,394,396,398,400,402,404,4 06,408,410,412,414,416,418,420,422,424,426,428,430,432,434,436,438,440,442,444,446,512,514,516,518,520,52 2,524,526,528,530,532,534,536,538,540,542,544,546,548,550,552,554,556,558,560,562,564,566,568,570,572,574 ,576,578,580,582,584,586,588,590,592,594,596,598,600,602,604,606,608,610,612,614,616,618,620,622,624,626, 628,630,632,634,636,638,640,642,644,646,648,650,652,654,656,658,660,662,664,666,668,670,672,674,676,678,6 80,682,684,686,688,690,692,694,696,698,700,702 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, 48 bits virtual Byte Order: Little Endian CPU(s): 288 On-line CPU(s) list: 0-287 Vendor ID: GenuineIntel Model name: Intel(R) Xeon(R) 6990E+ CPU family: 6 Model: 221 Thread(s) per core: 1 Core(s) per socket: 288 Socket(s): 1 Stepping: 1 BogoMIPS: 4400.00 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 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 rdseed adx smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local split_lock_detect user_shstk avx_vnni lam wbnoinvd dtherm ida arat pln pts vnmi umip pku ospke waitpkg gfni vaes vpclmulqdq tme rdpid bus_lock_detect cldemote movdiri movdir64b enqcmd fsrm md_clear serialize pconfig arch_lbr ibt flush_l1d arch_capabilities Virtualization: VT-x L1d cache: 9 MiB (288 instances) L1i cache: 18 MiB (288 instances) L2 cache: 288 MiB (72 instances) L3 cache: 576 MiB (1 instance) NUMA node(s): 3 NUMA node0 CPU(s): 0-95 NUMA node1 CPU(s): 96-191 NUMA node2 CPU(s): 192-287 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 Tsx async abort: Not affected From lscpu --cache: NAME ONE-SIZE ALL-SIZE WAYS TYPE LEVEL SETS PHY-LINE COHERENCY-SIZE L1d 32K 9M 8 Data 1 64 1 64 L1i 64K 18M 8 Instruction 1 128 1 64 L2 4M 288M 16 Unified 2 4096 1 64 L3 576M 576M 16 Unified 3 589824 1 64 ------------------------------------------------------------ 8. numactl --hardware NOTE: a numactl 'node' might or might not correspond to a physical chip. available: 3 nodes (0-2) node 0 cpus: 0-95 node 0 size: 257654 MB node 0 free: 256741 MB node 1 cpus: 96-191 node 1 size: 258022 MB node 1 free: 254973 MB node 2 cpus: 192-287 node 2 size: 257907 MB node 2 free: 257080 MB node distances: node 0 1 2 0: 10 15 18 1: 15 10 15 2: 18 15 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 792150096 kB ------------------------------------------------------------ 10. who -r run-level 3 Oct 10 16:23 ------------------------------------------------------------ 11. Systemd service manager version: systemd 254 (254.27+suse.167.g130293e510) Default Target Status multi-user running ------------------------------------------------------------ 12. Services, from systemctl list-unit-files STATE UNIT FILES enabled ModemManager YaST2-Firstboot YaST2-Second-Stage apparmor appstream-sync-cache auditd bluetooth cron display-manager 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 wpa_supplicant enabled-runtime systemd-remount-fs disabled NetworkManager NetworkManager-dispatcher NetworkManager-wait-online accounts-daemon autofs autoyast-initscripts blk-availability bluetooth-mesh boot-sysctl ca-certificates chrony-wait chronyd console-getty cups cups-browsed debug-shell dnsmasq ebtables exchange-bmc-os-info firewalld fsidd gnome-remote-desktop gpm grub2-once haveged hwloc-dump-hwdata ipmi ipmievd issue-add-ssh-keys kexec-load lunmask man-db-create multipathd nfs nfs-blkmap nmb openvpn@ ostree-remount ostree-state-overlay@ rpcbind rpmconfigcheck rsyncd rtkit-daemon samba-bgqd serial-getty@ smartd_generate_opts smb snmpd snmptrapd speech-dispatcherd systemd-boot-check-no-failures systemd-confext systemd-network-generator systemd-sysext systemd-time-wait-sync systemd-timesyncd tuned udisks2 update-system-flatpaks upower vncserver@ wpa_supplicant@ indirect pcscd saned@ systemd-userdbd wickedd ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.4.0-150700.53.6-default root=UUID=9abe2d05-0ac6-4a22-9c17-585404eff336 splash=silent mitigations=auto quiet security=apparmor ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 19: Unable to determine current policy boost state support: Supported: yes Active: yes ------------------------------------------------------------ 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 Filesystem Type Size Used Avail Use% Mounted on /dev/nvme0n1p2 btrfs 1.5T 369G 1.1T 25% /home ------------------------------------------------------------ 21. /sys/devices/virtual/dmi/id Vendor: HPE Product: HPE ProLiant Compute DL540 Gen12 Product Family: ProLiant Serial: SANJACSCM ------------------------------------------------------------ 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: 12x Hynix HMCG94CMBRAA3NN 64 GB 2 rank 8000 ------------------------------------------------------------ 23. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: HPE BIOS Version: 1.92 BIOS Date: 09/18/2026 BIOS Revision: 1.92 Firmware Revision: 1.25 Compiler Version Notes ---------------------- ============================================================================== C | 811.tealeaf_s(base, peak) 816.nab_s(base, peak) 881.neutron_s(base, | peak) ------------------------------------------------------------------------------ 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, peak) 857.namd_s(base, peak) 867.nest_s(base, | peak) 872.marian_s(base, peak) ------------------------------------------------------------------------------ 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, peak) ------------------------------------------------------------------------------ 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, peak) 820.cloverleaf_s(base, peak) | 822.palm_s(base, peak) 849.fotonik3d_s(base, peak) 865.roms_s(base, | peak) ------------------------------------------------------------------------------ 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 -xsierraforest -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 -xsierraforest -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 -xsierraforest -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 -xsierraforest -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 Peak Compiler Invocation ------------------------ C benchmarks: icx C++ benchmarks: icpx Fortran benchmarks: ifx Benchmarks using both C and C++: icpx icx Peak Optimization Flags ----------------------- C benchmarks: 811.tealeaf_s: -m64 -std=c18 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -fprofile-generate(pass 1) -fprofile-use=default.profdata(pass 2) -xCORE-AVX2(pass 1) -ffp-model=fast -xsierraforest(pass 2) -flto -qopt-mem-layout-trans=4 -O3 -mfpmath=sse -funroll-loops -fiopenmp -DSPEC_OPENMP -L/usr/local/jemalloc-5.3.0/lib -ljemalloc 816.nab_s: Same as 811.tealeaf_s 881.neutron_s: basepeak = yes C++ benchmarks: 803.sph_exa_s: basepeak = yes 857.namd_s: -m64 -std=c++17 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -fprofile-generate(pass 1) -fprofile-use=default.profdata(pass 2) -xCORE-AVX2(pass 1) -ffp-model=fast -xsierraforest(pass 2) -flto -qopt-mem-layout-trans=4 -O3 -mfpmath=sse -funroll-loops -pthread -fiopenmp -DSPEC_OPENMP -L/usr/local/jemalloc-5.3.0/lib -ljemalloc 867.nest_s: basepeak = yes 872.marian_s: basepeak = yes Fortran benchmarks: 800.pot3d_s: basepeak = yes 820.cloverleaf_s: -m64 -stand f18 -Wl,-z,muldefs -Wl,-plugin-opt=-inline-threshold=1500 -fprofile-generate(pass 1) -fprofile-use=default.profdata(pass 2) -xCORE-AVX2(pass 1) -ffp-model=fast -xsierraforest(pass 2) -flto -qopt-mem-layout-trans=4 -O3 -mfpmath=sse -funroll-loops -nostandard-realloc-lhs -align array32byte -auto -DSPEC_OPENMP -fiopenmp -L/usr/local/jemalloc-5.3.0/lib -ljemalloc 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/Intel-ic2026-official-linux64-v1.1.html http://www.spec.org/cpu2026/results/flags/HPE-Platform-Flags-Intel-GNR-rev1.5.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/HPE-Platform-Flags-Intel-GNR-rev1.5.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 2026-10-10 15:08:12-0400. Report generated on 2026-11-04 10:50:05 by CPU2026 text formatter (aa18784a). Originally published on 2026-11-03.