SPEC CPU(R)2026 Integer Speed Result Compal Electronics, Inc. SR224-2A AMD EPYC 9845 CPU2026 License: 6857 Test date: Sep-2026 Test sponsor: Compal Electronics, Inc. Hardware availability: Jul-2025 Tested by: Compal Electronics, Inc. Software availability: May-2026 Base Base Base Peak Peak Peak Benchmarks Threads Run Time Ratio Threads Run Time Ratio ---------------- ------- --------- --------- ------- --------- --------- 801.xz_s 640 212 2.78 S 640 212 2.78 S 801.xz_s 640 210 2.81 S 640 210 2.81 S 801.xz_s 640 211 2.80 * 640 211 2.80 * 807.ntest_s 640 37.9 30.1 * 640 36.1 31.5 S 807.ntest_s 640 38.1 29.9 S 640 36.2 31.5 * 807.ntest_s 640 37.4 30.4 S 640 36.5 31.2 S 817.flac_s 640 429 4.05 S 640 429 4.04 S 817.flac_s 640 429 4.05 * 640 428 4.06 * 817.flac_s 640 429 4.05 S 640 428 4.06 S 821.gcc_s 640 55.2 37.5 S 640 50.5 41.0 * 821.gcc_s 640 54.7 37.9 * 640 51.0 40.6 S 821.gcc_s 640 54.5 38.0 S 640 50.2 41.3 S 823.llvm_s 640 34.9 40.4 * 640 33.6 42.0 * 823.llvm_s 640 34.8 40.5 S 640 33.7 41.8 S 823.llvm_s 640 35.5 39.7 S 640 33.5 42.2 S 827.cppcheck_s 640 95.6 11.7 S 640 71.8 15.6 S 827.cppcheck_s 640 95.3 11.7 S 640 71.9 15.6 * 827.cppcheck_s 640 95.4 11.7 * 640 72.1 15.5 S 829.abc_s 640 344 2.41 * 640 344 2.41 * 829.abc_s 640 343 2.42 S 640 343 2.42 S 829.abc_s 640 349 2.38 S 640 349 2.38 S 834.vpr_s 640 249 3.82 S 1 242 3.95 * 834.vpr_s 640 254 3.76 S 1 242 3.95 S 834.vpr_s 640 251 3.80 * 1 242 3.94 S 835.gem5_s 640 260 4.38 * 640 260 4.38 * 835.gem5_s 640 259 4.40 S 640 259 4.40 S 835.gem5_s 640 262 4.34 S 640 262 4.34 S 838.diamond_s 640 139 7.19 S 640 139 7.19 S 838.diamond_s 640 139 7.22 * 640 139 7.22 * 838.diamond_s 640 136 7.34 S 640 136 7.34 S 846.minizinc_s 640 302 2.22 S 640 302 2.22 S 846.minizinc_s 640 291 2.30 * 640 291 2.30 * 846.minizinc_s 640 276 2.42 S 640 276 2.42 S 853.ns3_s 640 166 6.96 S 640 166 6.96 S 853.ns3_s 640 166 6.93 * 640 166 6.93 * 853.ns3_s 640 167 6.91 S 640 167 6.91 S 854.graph500_s 640 55.8 10.9 S 640 55.8 10.9 S 854.graph500_s 640 55.6 11.0 * 640 55.6 11.0 * 854.graph500_s 640 55.5 11.0 S 640 55.5 11.0 S ================================================================================== 801.xz_s 640 211 2.80 * 640 211 2.80 * 807.ntest_s 640 37.9 30.1 * 640 36.2 31.5 * 817.flac_s 640 429 4.05 * 640 428 4.06 * 821.gcc_s 640 54.7 37.9 * 640 50.5 41.0 * 823.llvm_s 640 34.9 40.4 * 640 33.6 42.0 * 827.cppcheck_s 640 95.4 11.7 * 640 71.9 15.6 * 829.abc_s 640 344 2.41 * 640 344 2.41 * 834.vpr_s 640 251 3.80 * 1 242 3.95 * 835.gem5_s 640 260 4.38 * 640 260 4.38 * 838.diamond_s 640 139 7.22 * 640 139 7.22 * 846.minizinc_s 640 291 2.30 * 640 291 2.30 * 853.ns3_s 640 166 6.93 * 640 166 6.93 * 854.graph500_s 640 55.6 11.0 * 640 55.6 11.0 * SPECspeed(R)2026_int_base 7.66 SPECspeed(R)2026_int_peak 7.95 HARDWARE -------- CPU Name: AMD EPYC 9845 Max MHz: 3700 Nominal: 2100 Enabled: 320 cores, 2 chips, 2 threads/core Orderable: 1,2 chips Cache L1: 32 KB I + 48 KB D on chip per core L2: 1 MB I+D on chip per core L3: 320 MB I+D on chip per chip, 32 MB shared / 16 cores Other: None Memory: 1536 GB (24 x 64 GB 2Rx8 PC5-6400B-R) Storage: 1 x 3.84TB M.2 NVMe SSD Cooling: Air Other: None SOFTWARE -------- OS: SUSE Linux Enterprise Server 15 SP7 kernel version 6.4.0-150700.51-default Compiler: C/C++: Version 5.2.0 of AOCC Fortran: Flang v22 Compiler Category: Vendor Firmware: American Megatrends Version 10.28.00 released Jan-2026 File System: btrfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: 64-bit Other: None Power Management: BIOS and OS set to prefer performance at the cost of additional power usage Compiler Notes -------------- The AMD64 AOCC Compiler Suite is available at http://developer.amd.com/amd-aocc/ Flang v22 is available at https://flang.llvm.org/ Submit Notes ------------ The config file option 'submit' was used. 'numactl' was used to bind copies to the cores. See the configuration file for details. Operating System Notes ---------------------- 'ulimit -s unlimited' was used to set environment stack size limit 'ulimit -l 2097152' was used to set environment locked pages in memory limit runcpu command invoked through numactl i.e.: numactl --physcpubind=0-15 runcpu To limit dirty cache to 8% of memory, 'sysctl -w vm.dirty_ratio=8' run as root. To limit swap usage to minimum necessary, 'sysctl -w vm.swappiness=1' run as root. To free node-local memory and avoid remote memory usage, 'sysctl -w vm.zone_reclaim_mode=1' run as root. To clear filesystem caches, 'sync; sysctl -w vm.drop_caches=3' run as root. To disable address space layout randomization (ASLR) to reduce run-to-run variability, 'sysctl -w kernel.randomize_va_space=0' run as root. To enable Transparent Hugepages (THP) for all allocations, 'echo always > /sys/kernel/mm/transparent_hugepage/enabled' and 'echo always > /sys/kernel/mm/transparent_hugepage/defrag' run as root. Environment Variables Notes --------------------------- Environment variables set by runcpu before the start of the run: GOMP_CPU_AFFINITY = "0-639" LD_LIBRARY_PATH = "/cpu2026/amd_speed_aocc520_znver5_A_lib/lib:/cpu2026/amd_speed_aocc520_ znver5_A_lib/lib32:" MALLOC_CONF = "retain:true" OMP_THREAD_LIMIT = "640" General Notes ------------- Binaries were compiled on a system with an AMD EPYC 9754 CPU + 768 GiB Memory using Ubuntu 24.04 Platform Notes -------------- BIOS settings: TDP Control: Manual TDP: 400 PPT Control: Manual PPT: 400 NUMA Nodes Per Socket: NPS1 SMT Control : Enable Power Profile Selection : High Performance Mode ACPI CST C2 Latency : 18 DF Cstates: Disabled DRAM Scrub Time: Disabled Global C-state Control: Disabled SVM mode: Disable SR-IOV Support: Disable GMI folding: Disabled Prefetch/Request Throttle: Disable SMEE: Disable separate cpu power plane throttling: Disable OS setting: cpupower: amd-pstate-epp Sysinfo program /cpu2026/bin/sysinfo Rev: 779ab21020787073335a329f3a45e2cd running on localhost Tue Sep 15 00:01:47 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. 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 6.4.0-150700.51-default #1 SMP PREEMPT_DYNAMIC Wed Apr 30 21:35:43 UTC 2025 (6930611) x86_64 ------------------------------------------------------------ 2. w 00:01:47 up 7:35, 2 users, load average: 0.15, 0.03, 0.01 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root pts/0 192.168.68.2 16:26 12.00s 6.76s 5.66s python3 ./run_amd_speed_aocc520_znver5_A1.py ------------------------------------------------------------ 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) 6186920 max locked memory (kbytes, -l) 2048 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) 6186920 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@pts/0 -bash python3 ./run_amd_speed_aocc520_znver5_A1.py runcpu --config amd_speed_aocc520_znver5_A1.cfg --tune all --reportable --iterations 3 intspeed runcpu --configfile amd_speed_aocc520_znver5_A1.cfg --tune all --reportable --iterations 3 --nopower --runmode speed --tune base:peak --size test:train:refspeed intspeed --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.001/templogs/preenv.intspeed.001.0.log --lognum 001.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo $SPEC = /cpu2026 ------------------------------------------------------------ 6. /proc/cpuinfo model name : AMD EPYC 9845 160-Core Processor vendor_id : AuthenticAMD cpu family : 26 model : 17 stepping : 0 microcode : 0xb101054 bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass srso TLB size : 192 4K pages cpu cores : 160 siblings : 320 2 physical ids (chips) 640 processors (hardware threads) physical id 0: core ids 0-159 physical id 1: core ids 0-159 physical id 0: apicids 0-319 physical id 1: apicids 512-831 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): 640 On-line CPU(s) list: 0-639 Vendor ID: AuthenticAMD Model name: AMD EPYC 9845 160-Core Processor CPU family: 26 Model: 17 Thread(s) per core: 2 Core(s) per socket: 160 Socket(s): 2 Stepping: 0 CPU(s) scaling MHz: 33% CPU max MHz: 3718.0000 CPU min MHz: 1200.0000 BogoMIPS: 4193.57 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good amd_lbr_v2 nopl nonstop_tsc cpuid extd_apicid aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba perfmon_v2 ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local user_shstk avx_vnni avx512_bf16 clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin cppc amd_ibpb_ret arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif x2avic v_spec_ctrl vnmi avx512vbmi umip pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq la57 rdpid bus_lock_detect movdiri movdir64b overflow_recov succor smca fsrm avx512_vp2intersect flush_l1d debug_swap hv_inuse_wr_allowed srso_user_kernel_no amd_lbr_pmc_freeze Virtualization: AMD-V L1d cache: 15 MiB (320 instances) L1i cache: 10 MiB (320 instances) L2 cache: 320 MiB (320 instances) L3 cache: 640 MiB (20 instances) NUMA node(s): 2 NUMA node0 CPU(s): 0-159,320-479 NUMA node1 CPU(s): 160-319,480-639 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: Mitigation; IBPB on VMEXIT only 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; STIBP always-on; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected From lscpu --cache: NAME ONE-SIZE ALL-SIZE WAYS TYPE LEVEL SETS PHY-LINE COHERENCY-SIZE L1d 48K 15M 12 Data 1 64 1 64 L1i 32K 10M 8 Instruction 1 64 1 64 L2 1M 320M 16 Unified 2 1024 1 64 L3 32M 640M 16 Unified 3 32768 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: 0-159,320-479 node 0 size: 773317 MB node 0 free: 771011 MB node 1 cpus: 160-319,480-639 node 1 size: 773441 MB node 1 free: 770632 MB node distances: node 0 1 0: 10 32 1: 32 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 1583880464 kB ------------------------------------------------------------ 10. who -r run-level 3 Sep 14 16:26 ------------------------------------------------------------ 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 ModemManager NetworkManager NetworkManager-dispatcher YaST2-Firstboot YaST2-Second-Stage apparmor appstream-sync-cache auditd bluetooth chronyd 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 wpa_supplicant enabled-runtime systemd-remount-fs disabled NetworkManager-wait-online accounts-daemon autofs autoyast-initscripts blk-availability bluetooth-mesh boot-sysctl ca-certificates chrony-wait console-getty cups cups-browsed debug-shell dnsmasq ebtables exchange-bmc-os-info firewalld fsidd gpm grub2-once haveged hwloc-dump-hwdata ipmi ipmievd issue-add-ssh-keys kdump kdump-early kdump-notify kexec-load ksm kvm_stat lunmask man-db-create mariadb mariadb@ multipathd munge nfs nfs-blkmap nmb ntp-wait ntpd ostree-remount ostree-state-overlay@ rpcbind rpmconfigcheck rsyncd rtkit-daemon salt-minion samba-bgqd serial-getty@ slurmd smartd_generate_opts smb snmpd snmptrapd speech-dispatcherd svnserve systemd-boot-check-no-failures systemd-confext systemd-network-generator systemd-sysext systemd-time-wait-sync systemd-timesyncd udisks2 update-system-flatpaks upower vncserver@ wicked wickedd-auto4 wickedd-dhcp4 wickedd-dhcp6 wickedd-nanny wpa_supplicant@ ypbind indirect systemd-userdbd wickedd masked packagekit ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.4.0-150700.51-default root=UUID=03f2994f-ee68-4440-b1db-7d3f781cf8b4 splash=silent mitigations=auto quiet security=apparmor crashkernel=380M,high crashkernel=72M,low amd_pstate=active ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 573: current policy: frequency should be within 1.20 GHz and 3.72 GHz. The governor "performance" may decide which speed to use within this range. boost state support: Supported: yes Active: yes ------------------------------------------------------------ 15. sysctl kernel.numa_balancing 1 kernel.randomize_va_space 0 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 8 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 1 vm.watermark_boost_factor 15000 vm.watermark_scale_factor 10 vm.zone_reclaim_mode 1 ------------------------------------------------------------ 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 SP7 ------------------------------------------------------------ 19. Disk information SPEC is set to: /cpu2026 Filesystem Type Size Used Avail Use% Mounted on /dev/nvme0n1p2 btrfs 1.0T 70G 953G 7% / ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: COMPAL Product: COMPAL SERVER Product Family: COMPAL Serial: 7901567500001 ------------------------------------------------------------ 21. dmidecode Additional information from dmidecode 3.7 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: 24x Unknown A5-RE1BH64M64-RP1R4R 64 GIB 2 rank 6400 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: American Megatrends International, LLC. BIOS Version: 10.28.00 BIOS Date: 01/29/2026 BIOS Revision: 5.35 Firmware Revision: 5.35 Compiler Version Notes ---------------------- ============================================================================== C | 854.graph500_s(base, peak) ------------------------------------------------------------------------------ AMD clang version 17.0.6 (CLANG: AOCC_5.2.0-Build#2035 2026_04_10) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-5.2.0-4925-2035/bin ------------------------------------------------------------------------------ ============================================================================== C++ | 807.ntest_s(base, peak) 827.cppcheck_s(base, peak) 853.ns3_s(base, | peak) ------------------------------------------------------------------------------ AMD clang version 17.0.6 (CLANG: AOCC_5.2.0-Build#2035 2026_04_10) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-5.2.0-4925-2035/bin ------------------------------------------------------------------------------ ============================================================================== C++, C | 801.xz_s(base, peak) 817.flac_s(base, peak) 821.gcc_s(base, peak) | 823.llvm_s(base, peak) 829.abc_s(base, peak) 834.vpr_s(base, peak) | 835.gem5_s(base, peak) 838.diamond_s(base, peak) | 846.minizinc_s(base, peak) ------------------------------------------------------------------------------ AMD clang version 17.0.6 (CLANG: AOCC_5.2.0-Build#2035 2026_04_10) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-5.2.0-4925-2035/bin ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: clang C++ benchmarks: clang++ Benchmarks using both C and C++: clang++ clang Base Portability Flags ---------------------- 801.xz_s: -DSPEC_LP64 807.ntest_s: -DSPEC_LP64 817.flac_s: -DSPEC_LP64 821.gcc_s: -DSPEC_LP64 823.llvm_s: -DSPEC_LP64 827.cppcheck_s: -DSPEC_LP64 829.abc_s: -DSPEC_LP64 834.vpr_s: -fno-finite-math-only -DSPEC_LP64 835.gem5_s: -fno-finite-math-only -DSPEC_LP64 838.diamond_s: -DSPEC_LP64 846.minizinc_s: -DSPEC_LP64 853.ns3_s: -fno-finite-math-only -DSPEC_LP64 854.graph500_s: -DSPEC_LP64 Base Optimization Flags ----------------------- C benchmarks: -m64 -std=c18 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-allow-multiple-definition -Wl,-mllvm -Wl,-extra-inliner -O3 -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -fremap-arrays -fstrip-mining -fstruct-layout=7 -mllvm -inline-threshold=1000 -mllvm -reduce-array-computations=3 -mllvm -unroll-threshold=50 -fopenmp -DSPEC_OPENMP -lamdalloc -lamdlibm -fopenmp=libomp -lomp C++ benchmarks: -m64 -std=c++17 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-mllvm -Wl,-x86-use-vzeroupper=false -O3 -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -mllvm -unroll-threshold=100 -mllvm -loop-unswitch-threshold=200000 -mllvm -reduce-array-computations=3 -fopenmp -DSPEC_OPENMP -fvirtual-function-elimination -fvisibility=hidden -lamdalloc -lamdlibm -fopenmp=libomp -lomp Benchmarks using both C and C++: -m64 -std=c++17 -std=c18 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-mllvm -Wl,-x86-use-vzeroupper=false -O3 -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -fremap-arrays -fstrip-mining -fstruct-layout=7 -mllvm -inline-threshold=1000 -mllvm -reduce-array-computations=3 -mllvm -unroll-threshold=50 -mllvm -unroll-threshold=100 -mllvm -loop-unswitch-threshold=200000 -fopenmp -DSPEC_OPENMP -fvirtual-function-elimination -fvisibility=hidden -lamdalloc -lamdlibm -fopenmp=libomp -lomp Base Other Flags ---------------- C benchmarks: -Wno-return-type Benchmarks using both C and C++: -Wno-return-type Peak Compiler Invocation ------------------------ C benchmarks: clang C++ benchmarks: clang++ Benchmarks using both C and C++: clang++ clang Peak Portability Flags ---------------------- Same as Base Portability Flags Peak Optimization Flags ----------------------- C benchmarks: 854.graph500_s: basepeak = yes C++ benchmarks: 807.ntest_s: -m64 -std=c++17 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-mllvm -Wl,-x86-use-vzeroupper=false -fprofile-instr-generate(pass 1) -fprofile-instr-use(pass 2) -Ofast -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -mllvm -reduce-array-computations=3 -mllvm -unroll-threshold=100 -fopenmp -DSPEC_OPENMP -fvirtual-function-elimination -fvisibility=hidden -lamdalloc -lamdlibm -fopenmp=libomp -lomp 827.cppcheck_s: Same as 807.ntest_s 853.ns3_s: basepeak = yes Benchmarks using both C and C++: 801.xz_s: basepeak = yes 817.flac_s: -m64 -std=c++17 -std=c18 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-mllvm -Wl,-x86-use-vzeroupper=false -Ofast -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -fremap-arrays -fstrip-mining -fstruct-layout=7 -mllvm -inline-threshold=1000 -mllvm -reduce-array-computations=3 -mllvm -unroll-threshold=50 -mllvm -unroll-threshold=100 -fopenmp -DSPEC_OPENMP -fvirtual-function-elimination -fvisibility=hidden -lamdalloc -lamdlibm -fopenmp=libomp -lomp 821.gcc_s: -m64 -std=c++17 -std=c18 -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6 -Wl,-mllvm -Wl,-reduce-array-computations=3 -Wl,-mllvm -Wl,-x86-use-vzeroupper=false -fprofile-instr-generate(pass 1) -fprofile-instr-use(pass 2) -Ofast -flto -march=znver5 -fveclib=AMDLIBM -ffast-math -zopt -fremap-arrays -fstrip-mining -fstruct-layout=7 -mllvm -inline-threshold=1000 -mllvm -reduce-array-computations=3 -mllvm -unroll-threshold=50 -mllvm -unroll-threshold=100 -fopenmp -DSPEC_OPENMP -fvirtual-function-elimination -fvisibility=hidden -lamdalloc -lamdlibm -fopenmp=libomp -lomp 823.llvm_s: Same as 821.gcc_s 829.abc_s: basepeak = yes 834.vpr_s: Same as 821.gcc_s 835.gem5_s: basepeak = yes 838.diamond_s: basepeak = yes 846.minizinc_s: basepeak = yes Peak Other Flags ---------------- C benchmarks: -Wno-return-type Benchmarks using both C and C++: -Wno-return-type The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/Compal-Platform-Flags-Linux-AMD_V1.9.html http://www.spec.org/cpu2026/results/flags/aocc-flags.2026-10-07.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/Compal-Platform-Flags-Linux-AMD_V1.9.xml http://www.spec.org/cpu2026/results/flags/aocc-flags.2026-10-07.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 2026-09-14 12:01:46-0400. Report generated on 2026-10-07 10:42:28 by CPU2026 text formatter (aa18784a). Originally published on 2026-10-06.