SPEC CPU(R)2017 Floating Point Rate Result Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) CPU2017 License: 6573 Test date: Mar-2026 Test sponsor: Dell Inc. Hardware availability: Mar-2026 Tested by: Dell Inc. Software availability: Jun-2025 Base Base Base Peak Peak Peak Benchmarks Copies Run Time Rate Copies Run Time Rate --------------- ------- --------- --------- ------- --------- --------- 503.bwaves_r 128 442 2900 S 128 442 2900 S 503.bwaves_r 128 443 2900 * 128 443 2900 * 507.cactuBSSN_r 128 214 756 S 128 214 756 S 507.cactuBSSN_r 128 215 754 * 128 215 754 * 508.namd_r 128 268 454 S 128 268 454 S 508.namd_r 128 268 453 * 128 268 453 * 510.parest_r 128 955 351 * 64 407 412 * 510.parest_r 128 954 351 S 64 406 412 S 511.povray_r 128 416 718 S 128 377 793 S 511.povray_r 128 418 715 * 128 377 793 * 519.lbm_r 128 484 279 * 128 484 279 * 519.lbm_r 128 484 279 S 128 484 279 S 521.wrf_r 128 642 447 * 64 282 509 * 521.wrf_r 128 642 447 S 64 281 510 S 526.blender_r 128 294 662 S 128 294 662 S 526.blender_r 128 295 661 * 128 295 661 * 527.cam4_r 128 287 779 * 128 287 779 * 527.cam4_r 128 286 782 S 128 286 782 S 538.imagick_r 128 126 2520 * 128 126 2520 * 538.imagick_r 128 126 2520 S 128 126 2520 S 544.nab_r 128 158 1360 S 128 158 1360 S 544.nab_r 128 158 1360 * 128 158 1360 * 549.fotonik3d_r 128 1302 383 S 128 1302 383 S 549.fotonik3d_r 128 1303 383 * 128 1303 383 * 554.roms_r 128 794 256 S 64 366 278 S 554.roms_r 128 794 256 * 64 367 277 * ================================================================================= 503.bwaves_r 128 443 2900 * 128 443 2900 * 507.cactuBSSN_r 128 215 754 * 128 215 754 * 508.namd_r 128 268 453 * 128 268 453 * 510.parest_r 128 955 351 * 64 407 412 * 511.povray_r 128 418 715 * 128 377 793 * 519.lbm_r 128 484 279 * 128 484 279 * 521.wrf_r 128 642 447 * 64 282 509 * 526.blender_r 128 295 661 * 128 295 661 * 527.cam4_r 128 287 779 * 128 287 779 * 538.imagick_r 128 126 2520 * 128 126 2520 * 544.nab_r 128 158 1360 * 128 158 1360 * 549.fotonik3d_r 128 1303 383 * 128 1303 383 * 554.roms_r 128 794 256 * 64 367 277 * SPECrate(R)2017_fp_base 669 SPECrate(R)2017_fp_peak 694 HARDWARE -------- CPU Name: Intel Xeon 6766P-B Max MHz: 3500 Nominal: 2300 Enabled: 64 cores, 1 chip, 2 threads/core Orderable: 1 chip Cache L1: 64 KB I + 48 KB D on chip per core L2: 2 MB I+D on chip per core L3: 256 MB I+D on chip per chip Other: None Memory: 256 GB (8 x 32 GB 2Rx8 PC5-6400B-R) Storage: 90 GB on tmpfs Other: CPU Cooling: Air SOFTWARE -------- OS: Red Hat Enterprise Linux 10.0 (Coughlan) 6.12.0-55.9.1.el10_0.x86_64 Compiler: C/C++: Version 2025.2 of Intel oneAPI DPC++/C++ Compiler for Linux; Fortran: Version 2025.2 of Intel Fortran Compiler for Linux; Parallel: No Firmware: Version 1.1.3 released Feb-2026 File System: tmpfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: 64-bit Other: jemalloc memory allocator V5.0.1 Power Management: BIOS and OS 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/cpu2017-1.1.9-ic2025.2/lib/intel64:/mnt/ramdisk/cpu2017-1.1.9-ic2025.2/je5.0.1-64" MALLOC_CONF = "retain:true" General Notes ------------- Binaries compiled on a system with 2x Intel Xeon Platinum 8280M CPU + 384GB RAM memory using Red Hat Enterprise Linux 8.4 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 RedHat Enterprise 7.5, and the system compiler gcc 4.8.5 sources available from jemalloc.net or https://github.com/jemalloc/jemalloc/releases Benchmark run from a 90 GB ramdisk created with the cmd: "mount -t tmpfs -o size=90G tmpfs /mnt/ramdisk" Platform Notes -------------- BIOS Settings: Sub NUMA Cluster : Enabled AMP Prefetch : Enabled System Profile : Custom CPU Power Management : Maximum Performance Sysinfo program /mnt/ramdisk/cpu2017-1.1.9-ic2025.2/bin/sysinfo Rev: r6732 of 2022-11-07 fe91c89b7ed5c36ae2c92cc097bec197 running on SLXR872-XR8720t Fri Mar 20 22:52:15 2026 SUT (System Under Test) info as seen by some common utilities. ------------------------------------------------------------ Table of contents ------------------------------------------------------------ 1. uname -a 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 257 (257-9.el10_0.1-g8cd5633) 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 -a Linux SLXR872-XR8720t 6.12.0-55.9.1.el10_0.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Mar 25 09:14:09 EDT 2025 x86_64 GNU/Linux ------------------------------------------------------------ 2. w 22:52:15 up 1 min, 1 user, load average: 0.61, 0.23, 0.08 USER TTY LOGIN@ IDLE JCPU PCPU WHAT root 22:52 1:37 0.00s 0.08s /usr/lib/systemd/systemd --user ------------------------------------------------------------ 3. Username From environment variable $USER: root ------------------------------------------------------------ 4. ulimit -a real-time non-blocking time (microseconds, -R) unlimited core file size (blocks, -c) unlimited data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 1027458 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) 1027458 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize=47 rhgb /usr/sbin/crond -n /usr/sbin/CROND -n /bin/bash /home/DellFiles/bin/dell-crontab-run.sh dell-batch.sh /bin/bash /home/DellFiles/bin/dell-crontab-run.sh dell-batch.sh /bin/bash /home/DellFiles/bin/dell-batch.sh /bin/bash /home/DellFiles/bin/dell-batch.sh /bin/bash /home/DellFiles/bin/CPU_rate.sh fp /bin/bash /home/DellFiles/bin/cpu-run-main.sh rate fp /bin/bash /home/DellFiles/bin/cpu-run-main.sh rate fp /bin/bash /home/DellFiles/bin/Intel/cpu-run-speccpu.sh rate_fp --define DL-VERS=7.0_T07 --output_format html,pdf,txt /bin/bash /home/DellFiles/bin/Intel/cpu-run-speccpu.sh rate_fp --define DL-VERS=7.0_T07 --output_format html,pdf,txt runcpu --nobuild --action validate --define default-platform-flags --define numcopies=128 -c ic2025.2-linux64-graniterapids-rate-20250605.cfg --define smt-on --define cores=64 --define physicalfirst --define invoke_with_interleave --define drop_caches --tune base,peak -o all --iterations 2 --define DL-VERS=7.0_T07 --output_format html,pdf,txt fprate runcpu --nobuild --action validate --define default-platform-flags --define numcopies=128 --configfile ic2025.2-linux64-graniterapids-rate-20250605.cfg --define smt-on --define cores=64 --define physicalfirst --define invoke_with_interleave --define drop_caches --tune base,peak --output_format all --iterations 2 --define DL-VERS=7.0_T07 --output_format html,pdf,txt --nopower --runmode rate --tune base:peak --size refrate fprate --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2017.001/templogs/preenv.fprate.001.0.log --lognum 001.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /mnt/ramdisk/cpu2017-1.1.9-ic2025.2 ------------------------------------------------------------ 6. /proc/cpuinfo model name : INTEL(R) XEON(R) 6766P-B vendor_id : GenuineIntel cpu family : 6 model : 174 stepping : 1 microcode : 0x1000303 bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs bhi cpu cores : 64 siblings : 128 1 physical ids (chips) 128 processors (hardware threads) physical id 0: core ids 0-31,64-95 physical id 0: apicids 0-63,128-191 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 2.40.2: 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): 128 On-line CPU(s) list: 0-127 Vendor ID: GenuineIntel BIOS Vendor ID: Intel Model name: INTEL(R) XEON(R) 6766P-B BIOS Model name: INTEL(R) XEON(R) 6766P-B CPU @ 2.3GHz BIOS CPU family: 179 CPU family: 6 Model: 174 Thread(s) per core: 2 Core(s) per socket: 64 Socket(s): 1 Stepping: 1 BogoMIPS: 4600.00 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 ida arat pln pts hfi vnmi avx512vbmi umip pku ospke waitpkg avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg 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: 3 MiB (64 instances) L1i cache: 4 MiB (64 instances) L2 cache: 128 MiB (64 instances) L3 cache: 256 MiB (1 instance) NUMA node(s): 2 NUMA node0 CPU(s): 0-31,64-95 NUMA node1 CPU(s): 32-63,96-127 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 3M 12 Data 1 64 1 64 L1i 64K 4M 16 Instruction 1 64 1 64 L2 2M 128M 16 Unified 2 2048 1 64 L3 256M 256M 16 Unified 3 262144 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: 0-31,64-95 node 0 size: 128088 MB node 0 free: 114549 MB node 1 cpus: 32-63,96-127 node 1 size: 129001 MB node 1 free: 127772 MB node distances: node 0 1 0: 10 12 1: 12 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 263260056 kB ------------------------------------------------------------ 10. who -r run-level 3 Mar 20 22:50 ------------------------------------------------------------ 11. Systemd service manager version: systemd 257 (257-9.el10_0.1-g8cd5633) Default Target Status multi-user running ------------------------------------------------------------ 12. Services, from systemctl list-unit-files STATE UNIT FILES enabled ModemManager NetworkManager NetworkManager-dispatcher NetworkManager-wait-online accounts-daemon atd audit-rules auditd avahi-daemon bluetooth chronyd crond cups dbus-broker fips-crypto-policy-overlay firewalld gdm getty@ insights-client-boot irqbalance iscsi-onboot iscsi-starter kdump libstoragemgmt lvm2-monitor mcelog mdmonitor multipathd nvmefc-boot-connections qemu-guest-agent rhsmcertd rsyslog rtkit-daemon selinux-autorelabel-mark smartd sshd sssd switcheroo-control systemd-confext systemd-network-generator systemd-pstore systemd-sysext tuned tuned-ppd udisks2 upower vgauthd vmtoolsd enabled-runtime systemd-remount-fs disabled arp-ethers blk-availability brltty canberra-system-bootup canberra-system-shutdown canberra-system-shutdown-reboot chrony-wait chronyd-restricted console-getty cups-browsed dbus-daemon debug-shell dnf-system-upgrade dnsmasq gnome-remote-desktop gnome-remote-desktop-configuration hypervfcopyd iscsi-init iscsid iscsiuio kpatch kvm_stat ledmon low-memory-monitor lvm-devices-import man-db-restart-cache-update microcode netavark-dhcp-proxy netavark-firewalld-reload nftables nis-domainname nvmf-autoconnect podman podman-auto-update podman-clean-transient podman-kube@ podman-restart psacct ras-mc-ctl rasdaemon rhsm rhsm-facts rpmdb-migrate rpmdb-rebuild selinux-check-proper-disable serial-getty@ speech-dispatcherd ssh-host-keys-migration sshd-keygen@ systemd-boot-check-no-failures systemd-boot-update systemd-pcrlock-file-system systemd-pcrlock-firmware-code systemd-pcrlock-firmware-config systemd-pcrlock-machine-id systemd-pcrlock-make-policy systemd-pcrlock-secureboot-authority systemd-pcrlock-secureboot-policy systemd-udev-load-credentials wpa_supplicant wsdd yggdrasil yggdrasil@ indirect iscsi pcscd spice-vdagentd sshd@ sssd-autofs sssd-kcm sssd-nss sssd-pac sssd-pam sssd-ssh sssd-sudo systemd-sysupdate systemd-sysupdate-reboot systemd-userdbd ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=(hd0,gpt2)/vmlinuz-6.12.0-55.9.1.el10_0.x86_64 root=/dev/mapper/rhel-root ro crashkernel=2G-64G:256M,64G-:512M resume=UUID=eefe8659-8b69-47a2-9f71-b55ccafcac00 rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 59: Unable to determine current policy boost state support: Supported: yes Active: yes ------------------------------------------------------------ 15. tuned-adm active Current active profile: balanced ------------------------------------------------------------ 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 10.0 (Coughlan) redhat-release Red Hat Enterprise Linux release 10.0 (Coughlan) system-release Red Hat Enterprise Linux release 10.0 (Coughlan) ------------------------------------------------------------ 20. Disk information SPEC is set to: /mnt/ramdisk/cpu2017-1.1.9-ic2025.2 Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 90G 5.8G 85G 7% /mnt/ramdisk ------------------------------------------------------------ 21. /sys/devices/virtual/dmi/id Vendor: Dell Inc. Product: PowerEdge XR8720t Product Family: PowerEdge Serial: SLXR872 ------------------------------------------------------------ 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: 7x 002C0632002C MTC20F2085S1RC64BD2 MWFF 32 GB 2 rank 6400 1x 002C069D002C MTC20F2085S1RC64BD1 USFF 32 GB 2 rank 6400 ------------------------------------------------------------ 23. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: Dell Inc. BIOS Version: 1.1.3 BIOS Date: 02/03/2026 BIOS Revision: 1.1 Compiler Version Notes ---------------------- ============================================================================================================ C | 519.lbm_r(base, peak) 538.imagick_r(base, peak) 544.nab_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ ============================================================================================================ C++ | 508.namd_r(base, peak) 510.parest_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ ============================================================================================================ C++, C | 511.povray_r(base, peak) 526.blender_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ ============================================================================================================ C++, C, Fortran | 507.cactuBSSN_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ ============================================================================================================ Fortran | 503.bwaves_r(base, peak) 549.fotonik3d_r(base, peak) 554.roms_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ ============================================================================================================ Fortran, C | 521.wrf_r(base, peak) 527.cam4_r(base, peak) ------------------------------------------------------------------------------------------------------------ Intel(R) Fortran Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2025.2.0 Build 20250605 Copyright (C) 1985-2025 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: icx C++ benchmarks: icpx Fortran benchmarks: ifx Benchmarks using both Fortran and C: ifx icx Benchmarks using both C and C++: icpx icx Benchmarks using Fortran, C, and C++: icpx icx ifx Base Portability Flags ---------------------- 503.bwaves_r: -DSPEC_LP64 507.cactuBSSN_r: -DSPEC_LP64 508.namd_r: -DSPEC_LP64 510.parest_r: -DSPEC_LP64 511.povray_r: -DSPEC_LP64 519.lbm_r: -DSPEC_LP64 521.wrf_r: -DSPEC_LP64 -DSPEC_CASE_FLAG -convert big_endian 526.blender_r: -DSPEC_LP64 -DSPEC_LINUX -funsigned-char 527.cam4_r: -DSPEC_LP64 -DSPEC_CASE_FLAG 538.imagick_r: -DSPEC_LP64 544.nab_r: -DSPEC_LP64 549.fotonik3d_r: -DSPEC_LP64 554.roms_r: -DSPEC_LP64 Base Optimization Flags ----------------------- C benchmarks: -w -std=c11 -m64 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib C++ benchmarks: -w -std=c++14 -m64 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -mprefer-vector-width=512 -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Fortran benchmarks: -w -m64 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -nostandard-realloc-lhs -align array32byte -auto -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Benchmarks using both Fortran and C: -w -m64 -std=c11 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -nostandard-realloc-lhs -align array32byte -auto -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Benchmarks using both C and C++: -w -std=c++14 -m64 -std=c11 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Benchmarks using Fortran, C, and C++: -w -m64 -std=c++14 -std=c11 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -nostandard-realloc-lhs -align array32byte -auto -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Peak Compiler Invocation ------------------------ C benchmarks: icx C++ benchmarks: icpx Fortran benchmarks: ifx Benchmarks using both Fortran and C: ifx icx Benchmarks using both C and C++: icpx icx Benchmarks using Fortran, C, and C++: icpx icx ifx Peak Portability Flags ---------------------- Same as Base Portability Flags Peak Optimization Flags ----------------------- C benchmarks: 519.lbm_r: basepeak = yes 538.imagick_r: basepeak = yes 544.nab_r: basepeak = yes C++ benchmarks: 508.namd_r: basepeak = yes 510.parest_r: -w -std=c++14 -m64 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -mprefer-vector-width=512 -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Fortran benchmarks: 503.bwaves_r: basepeak = yes 549.fotonik3d_r: basepeak = yes 554.roms_r: -w -m64 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -nostandard-realloc-lhs -align array32byte -auto -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib Benchmarks using both Fortran and C: 521.wrf_r: -w -m64 -std=c11 -Wl,-z,muldefs -xgraniterapids -Ofast -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -nostandard-realloc-lhs -align array32byte -auto -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib 527.cam4_r: basepeak = yes Benchmarks using both C and C++: 511.povray_r: -w -std=c++14 -m64 -std=c11 -Wl,-z,muldefs -fprofile-generate(pass 1) -fprofile-use=default.profdata(pass 2) -xCORE-AVX2(pass 1) -flto -Ofast -xCORE-AVX512 -ffast-math -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -Wno-implicit-int -mprefer-vector-width=512 -ljemalloc -L/usr/local/jemalloc64-5.0.1/lib 526.blender_r: basepeak = yes Benchmarks using Fortran, C, and C++: 507.cactuBSSN_r: basepeak = yes The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2017/flags/Intel-ic2025-official-linux64.html http://www.spec.org/cpu2017/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/cpu2017/flags/Intel-ic2025-official-linux64.xml http://www.spec.org/cpu2017/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 2017-2026 Standard Performance Evaluation Corporation Tested with SPEC CPU(R)2017 v1.1.9 on 2026-03-20 23:52:15-0400. Report generated on 2026-04-22 06:56:33 by CPU2017 text formatter v6255. Originally published on 2026-04-21.