SPEC CPU(R)2026 Floating Point Rate Result Dell Inc. PowerEdge R770 (Intel Xeon 6780E) CPU2026 License: 6573 Test date: Feb-2026 Test sponsor: Dell Inc. Hardware availability: Mar-2025 Tested by: Dell Inc. Software availability: Nov-2025 Base Base Base Peak Peak Peak Benchmarks Copies Run Time Rate Copies Run Time Rate ---------------- ------- --------- --------- ------- --------- --------- 709.cactus_r 288 312 791 * 288 312 791 * 709.cactus_r 288 312 792 S 288 312 792 S 722.palm_r 288 946 402 * 288 946 402 * 722.palm_r 288 946 402 S 288 946 402 S 731.astcenc_r 288 264 917 S 288 259 935 S 731.astcenc_r 288 265 913 * 288 260 930 * 736.ocio_r 288 425 592 S 288 425 592 S 736.ocio_r 288 431 584 * 288 431 584 * 737.gmsh_r 288 283 467 S 288 275 482 S 737.gmsh_r 288 283 467 * 288 275 481 * 748.flightdm_r 288 249 828 S 288 198 1040 S 748.flightdm_r 288 251 822 * 288 201 1030 * 749.fotonik3d_r 288 1525 218 * 288 1525 218 * 749.fotonik3d_r 288 1524 219 S 288 1524 219 S 765.roms_r 288 2537 179 * 288 2537 179 * 765.roms_r 288 2536 179 S 288 2536 179 S 766.femflow_r 288 385 1100 S 288 385 1100 S 766.femflow_r 288 386 1100 * 288 386 1100 * 767.nest_r 288 409 558 S 288 397 576 S 767.nest_r 288 411 556 * 288 397 576 * 772.marian_r 288 625 727 * 288 625 727 * 772.marian_r 288 624 729 S 288 624 729 S 782.lbm_r 288 990 167 S 288 990 167 S 782.lbm_r 288 991 167 * 288 991 167 * ================================================================================== 709.cactus_r 288 312 791 * 288 312 791 * 722.palm_r 288 946 402 * 288 946 402 * 731.astcenc_r 288 265 913 * 288 260 930 * 736.ocio_r 288 431 584 * 288 431 584 * 737.gmsh_r 288 283 467 * 288 275 481 * 748.flightdm_r 288 251 822 * 288 201 1030 * 749.fotonik3d_r 288 1525 218 * 288 1525 218 * 765.roms_r 288 2537 179 * 288 2537 179 * 766.femflow_r 288 386 1100 * 288 386 1100 * 767.nest_r 288 411 556 * 288 397 576 * 772.marian_r 288 625 727 * 288 625 727 * 782.lbm_r 288 991 167 * 288 991 167 * SPECrate(R)2026_fp_base 489 SPECrate(R)2026_fp_peak 502 HARDWARE -------- CPU Name: Intel Xeon 6780E Max MHz: 3000 Nominal: 2200 Enabled: 288 cores, 2 chips Orderable: 1,2 chips Cache L1: 64 KB I + 32 KB D on chip per core L2: 4 MB I+D on chip per core L3: 108 MB I+D on chip per chip Other: None Memory: 1 TB (16 x 64 GB 2Rx4 PC5-6400B-R) Storage: 160 GB on tmpfs Cooling: Air Other: None SOFTWARE -------- OS: SUSE Linux Enterprise Server 15 SP6 6.4.0-150600.21-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: Version 1.6.4 released Nov-2025 File System: tmpfs 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. 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 = "/mnt/ramdisk/cpu2026-RC2/lib" MALLOC_CONF = "retain:true" 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 runcpu command invoked through numactl i.e.: numactl --interleave=all runcpu 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 Benchmark run from a 160 GB ramdisk created with the cmd: "mount -t tmpfs -o size=160G tmpfs /mnt/ramdisk" Platform Notes -------------- BIOS Settings: System Profile : Custom CPU Power Management : Maximum Performance C-States : Autonomous Latency Optimized Mode : Enabled Energy Efficient Policy : Performance Sysinfo program /mnt/ramdisk/cpu2026-RC2/bin/sysinfo Rev: 069f95da7e7f5d81b2ce48a82150e54f running on W407216-R770 Wed Feb 4 20:34:40 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 (254.10+suse.84.ge8d77af424) 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 6.4.0-150600.21-default #1 SMP PREEMPT_DYNAMIC Thu May 16 11:09:22 UTC 2024 (36c1e09) x86_64 ------------------------------------------------------------ 2. w 20:34:40 up 5:21, 1 user, load average: 61.72, 206.82, 250.38 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root tty1 - 15:15 5:08m 2.18s 0.01s /bin/bash /home/DellFiles/bin/Intel/dell-run-speccpu.sh rate --define DL-VERS=7.0_T01 --output_format html,pdf,txt ------------------------------------------------------------ 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) 4126060 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) 4126060 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize=42 login -- root -bash /bin/bash /home/DellFiles/bin/DELL_rate.sh /bin/bash /home/DellFiles/bin/dell-run-main.sh rate /bin/bash /home/DellFiles/bin/dell-run-main.sh rate /bin/bash /home/DellFiles/bin/Intel/dell-run-speccpu.sh rate --define DL-VERS=7.0_T01 --output_format html,pdf,txt /bin/bash /home/DellFiles/bin/Intel/dell-run-speccpu.sh rate --define DL-VERS=7.0_T01 --output_format html,pdf,txt runcpu --nobuild --reportable --action validate --define default-platform-flags --copies 288 -c ic2025.3-sierraforest-cpu2026-0.902-rate-20260121.cfg --define smt-on --define peakfpcopies=144 --define physicalfirst --define invoke_with_interleave --define drop_caches --reportable --tune base,peak -o all --iterations 2 --define DL-VERS=7.0_T01 --output_format html,pdf,txt fprate runcpu --nobuild --reportable --action validate --define default-platform-flags --copies 288 --configfile ic2025.3-sierraforest-cpu2026-0.902-rate-20260121.cfg --define smt-on --define peakfpcopies=144 --define physicalfirst --define invoke_with_interleave --define drop_caches --reportable --tune base,peak --output_format all --iterations 2 --define DL-VERS=7.0_T01 --output_format html,pdf,txt --nopower --runmode rate --tune base:peak --size 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 = /mnt/ramdisk/cpu2026-RC2 ------------------------------------------------------------ 6. /proc/cpuinfo model name : Intel(R) Xeon(R) 6780E vendor_id : GenuineIntel cpu family : 6 model : 175 stepping : 3 microcode : 0x3000382 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi cpu cores : 144 siblings : 144 2 physical ids (chips) 288 processors (hardware threads) physical id 0: core ids 0-143 physical id 1: core ids 0-143 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 4,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236 ,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286 physical id 1: apicids 512,514,516,518,520,522,524,526,528,530,532,534,536,538,540,542,544,546,548,550,552,554,556,558,560,562,5 64,566,568,570,572,574,576,578,580,582,584,586,588,590,592,594,596,598,600,602,604,606,608,610,612,614,61 6,618,620,622,624,626,628,630,632,634,636,638,640,642,644,646,648,650,652,654,656,658,660,662,664,666,668 ,670,672,674,676,678,680,682,684,686,688,690,692,694,696,698,700,702,704,706,708,710,712,714,716,718,720, 722,724,726,728,730,732,734,736,738,740,742,744,746,748,750,752,754,756,758,760,762,764,766,768,770,772,7 74,776,778,780,782,784,786,788,790,792,794,796,798 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 2.39.3: 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 BIOS Vendor ID: Intel Model name: Intel(R) Xeon(R) 6780E BIOS Model name: Intel(R) Xeon(R) 6780E CPU @ 2.2GHz BIOS CPU family: 179 CPU family: 6 Model: 175 Thread(s) per core: 1 Core(s) per socket: 144 Socket(s): 2 Stepping: 3 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 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 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: 216 MiB (2 instances) NUMA node(s): 2 NUMA node0 CPU(s): 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 ,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,13 0,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164 ,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196,198, 200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,2 34,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,26 8,270,272,274,276,278,280,282,284,286 NUMA node1 CPU(s): 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49 ,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89,91,93,95 ,97,99,101,103,105,107,109,111,113,115,117,119,121,123,125,127,129,13 1,133,135,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165 ,167,169,171,173,175,177,179,181,183,185,187,189,191,193,195,197,199, 201,203,205,207,209,211,213,215,217,219,221,223,225,227,229,231,233,2 35,237,239,241,243,245,247,249,251,253,255,257,259,261,263,265,267,26 9,271,273,275,277,279,281,283,285,287 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 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 108M 216M 12 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: 0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,7 4,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,1 34,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186, 188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240 ,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272,274,276,278,280,282,284,286 node 0 size: 515597 MB node 0 free: 489220 MB node 1 cpus: 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,7 5,77,79,81,83,85,87,89,91,93,95,97,99,101,103,105,107,109,111,113,115,117,119,121,123,125,127,129,131,133,1 35,137,139,141,143,145,147,149,151,153,155,157,159,161,163,165,167,169,171,173,175,177,179,181,183,185,187, 189,191,193,195,197,199,201,203,205,207,209,211,213,215,217,219,221,223,225,227,229,231,233,235,237,239,241 ,243,245,247,249,251,253,255,257,259,261,263,265,267,269,271,273,275,277,279,281,283,285,287 node 1 size: 515944 MB node 1 free: 512418 MB node distances: node 0 1 0: 10 21 1: 21 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 1056298400 kB ------------------------------------------------------------ 10. who -r run-level 3 Feb 4 15:14 ------------------------------------------------------------ 11. Systemd service manager version: systemd 254 (254.10+suse.84.ge8d77af424) 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 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 udisks2 vncserver@ indirect systemd-userdbd wickedd ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.4.0-150600.21-default root=UUID=e81515a8-96ce-43a6-8780-d2ae771756fe splash=silent mitigations=auto quiet security=apparmor ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 86: Unable to determine current policy 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 SP6 ------------------------------------------------------------ 19. Disk information SPEC is set to: /mnt/ramdisk/cpu2026-RC2 Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 160G 13G 148G 9% /mnt/ramdisk ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: Dell Inc. Product: PowerEdge R770 Product Family: PowerEdge Serial: W407216 ------------------------------------------------------------ 21. dmidecode Additional information from dmidecode 3.4 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: 6x 00AD042300AD HMCG94AHBRA480N 64 GB 2 rank 6400 10x 00AD063200AD HMCG94AHBRA277N 64 GB 2 rank 6400 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: Dell Inc. BIOS Version: 1.6.4 BIOS Date: 11/02/2025 BIOS Revision: 1.6 Compiler Version Notes ---------------------- ============================================================================== C | 782.lbm_r(base, peak) ------------------------------------------------------------------------------ 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++ | 731.astcenc_r(base, peak) 736.ocio_r(base, peak) | 748.flightdm_r(base, peak) 766.femflow_r(base, peak) | 767.nest_r(base, peak) 772.marian_r(base, peak) ------------------------------------------------------------------------------ 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 | 709.cactus_r(base, peak) 737.gmsh_r(base, peak) ------------------------------------------------------------------------------ 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 | 722.palm_r(base, peak) 749.fotonik3d_r(base, peak) 765.roms_r(base, | peak) ------------------------------------------------------------------------------ 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 ---------------------- 709.cactus_r: -DSPEC_LP64 722.palm_r: -DSPEC_LP64 731.astcenc_r: -DSPEC_LP64 736.ocio_r: -DSPEC_LP64 737.gmsh_r: -DSPEC_LP64 -fno-associative-math 748.flightdm_r: -DSPEC_LP64 749.fotonik3d_r: -DSPEC_LP64 765.roms_r: -DSPEC_LP64 766.femflow_r: -DSPEC_LP64 767.nest_r: -DSPEC_LP64 772.marian_r: -DSPEC_LP64 782.lbm_r: -DSPEC_LP64 Base Optimization Flags ----------------------- C benchmarks: -m64 -std=c18 -Wl,-z,muldefs -xsierraforest -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -L/usr/local/jemalloc-5.3.0/lib -ljemalloc C++ benchmarks: -m64 -std=c++17 -Wl,-z,muldefs -xsierraforest -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -L/usr/local/jemalloc-5.3.0/lib -ljemalloc Fortran benchmarks: -m64 -stand f18 -Wl,-z,muldefs -xsierraforest -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -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 -xsierraforest -O3 -ffp-model=fast -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -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 Portability Flags ---------------------- Same as Base Portability Flags Peak Optimization Flags ----------------------- C benchmarks: 782.lbm_r: basepeak = yes C++ benchmarks: 731.astcenc_r: -m64 -std=c++17 -Wl,-z,muldefs -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 -L/usr/local/jemalloc-5.3.0/lib -ljemalloc 736.ocio_r: basepeak = yes 748.flightdm_r: Same as 731.astcenc_r 766.femflow_r: basepeak = yes 767.nest_r: Same as 731.astcenc_r 772.marian_r: basepeak = yes Fortran benchmarks: 722.palm_r: basepeak = yes 749.fotonik3d_r: basepeak = yes 765.roms_r: basepeak = yes Benchmarks using both C and C++: 709.cactus_r: basepeak = yes 737.gmsh_r: -m64 -std=c++17 -std=c18 -Wl,-z,muldefs -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 -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-cpu2026-0.902.html http://www.spec.org/cpu2026/results/flags/Dell-Platform-Flags-PowerEdge-Intel-Xeon-v1.19.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-cpu2026-0.902.xml http://www.spec.org/cpu2026/results/flags/Dell-Platform-Flags-PowerEdge-Intel-Xeon-v1.19.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 v0.902.0 on 2026-02-04 21:34:39-0500. Report generated on 2026-05-11 16:38:28 by CPU2026 text formatter (aa18784a). Originally published on 2026-05-05.