SPEC CPU(R)2026 Integer Rate Result GIGA-BYTE TECHNOLOGY CO., LTD. R2A3-T40-AAV1 (3.20 GHz AmpereOneM A192-32M) Test Sponsor: Ampere Computing, Inc. CPU2026 License: 6412 Test date: Feb-2026 Test sponsor: Ampere Computing, Inc. Hardware availability: Nov-2025 Tested by: Ampere Computing, Inc. Software availability: Oct-2025 Base Base Base Base Base Base Base Peak Peak Peak Peak Peak Peak Peak Benchmarks Copies RunTime Rate Energy MaxPwr AvgPwr ERatio Copies RunTime Rate Energy MaxPwr AvgPwr ERatio ---------------- ------- ------- ------ ------ ------ ------ ------ ------- ------- ------ ------ ------ ------ ------ 706.stockfish_r 192 335 722 221 710 661 92.8 S 192 329 736 217 714 662 94.5 S 706.stockfish_r 192 334 724 225 713 673 91.3 S 192 327 740 221 717 675 93.0 * 706.stockfish_r 192 335 723 226 713 674 91.0 * 192 326 742 219 715 671 93.9 S 707.ntest_r 192 247 461 138 582 559 69.2 * 192 247 461 138 582 559 69.2 * 707.ntest_r 192 245 464 138 581 562 69.1 S 192 245 464 138 581 562 69.1 S 707.ntest_r 192 248 459 139 584 562 68.4 S 192 248 459 139 584 562 68.4 S 708.sqlite_r 192 341 297 227 842 666 37.4 * 192 317 320 205 821 646 41.6 S 708.sqlite_r 192 348 292 228 834 655 37.3 S 192 318 319 204 826 642 41.7 * 708.sqlite_r 192 340 298 226 854 663 37.7 S 192 319 318 205 826 643 41.5 S 710.omnetpp_r 192 220 425 139 769 633 56.5 * 192 192 486 119 766 618 66.3 S 710.omnetpp_r 192 220 423 139 767 631 56.5 S 192 186 501 118 767 635 66.4 S 710.omnetpp_r 192 217 429 138 769 637 56.7 S 192 188 497 117 769 625 66.9 * 714.cpython_r 192 184 500 138 828 750 55.8 * 192 147 627 110 825 752 69.6 S 714.cpython_r 192 185 497 138 825 745 55.7 S 192 146 628 111 825 756 69.5 S 714.cpython_r 192 183 502 139 831 760 55.3 S 192 147 627 111 824 754 69.5 * 721.gcc_r 192 444 297 270 756 608 41.1 S 192 421 313 251 761 597 44.3 S 721.gcc_r 192 444 296 270 764 608 41.1 * 192 421 313 250 759 592 44.5 S 721.gcc_r 192 445 296 271 766 608 41.0 S 192 421 313 251 764 596 44.3 * 723.llvm_r 192 234 415 156 739 664 52.4 * 192 189 515 124 753 656 65.9 S 723.llvm_r 192 234 416 156 743 664 52.5 S 192 189 516 124 747 656 65.9 * 723.llvm_r 192 235 414 157 749 668 52.0 S 192 189 516 124 746 658 65.8 S 727.cppcheck_r 192 185 372 128 807 690 45.3 S 192 180 383 118 785 655 49.1 * 727.cppcheck_r 192 186 370 127 802 682 45.5 * 192 181 381 119 787 659 48.6 S 727.cppcheck_r 192 187 369 128 804 686 45.2 S 192 180 384 118 789 656 49.1 S 729.abc_r 192 262 336 162 792 618 45.5 S 192 261 338 161 782 618 45.8 * 729.abc_r 192 262 336 162 794 618 45.6 * 192 261 338 161 787 617 45.8 S 729.abc_r 192 262 336 162 785 618 45.5 S 192 261 337 161 785 616 45.8 S 734.vpr_r 192 234 378 151 773 644 49.1 S 192 230 384 145 751 630 51.1 S 734.vpr_r 192 235 376 152 772 645 48.8 * 192 230 385 145 768 630 51.2 S 734.vpr_r 192 237 374 152 767 642 48.7 S 192 230 385 145 773 633 50.9 * 735.gem5_r 192 138 680 97.1 798 706 80.6 S 192 133 705 93.8 799 707 83.5 S 735.gem5_r 192 136 685 97.2 794 712 80.5 S 192 135 694 94.6 800 702 82.7 S 735.gem5_r 192 137 680 97.8 821 712 80.0 * 192 133 704 94.4 796 711 82.9 * 750.sealcrypto_r 192 250 412 181 750 726 47.9 S 192 250 412 181 750 726 47.9 S 750.sealcrypto_r 192 247 416 180 751 728 48.2 * 192 247 416 180 751 728 48.2 * 750.sealcrypto_r 192 246 418 180 748 731 48.2 S 192 246 418 180 748 731 48.2 S 753.ns3_r 192 135 874 91.8 765 682 108 S 192 115 1020 80.5 778 698 123 S 753.ns3_r 192 135 872 92.3 767 684 107 S 192 115 1020 80.3 782 699 123 S 753.ns3_r 192 135 873 91.6 757 679 108 * 192 115 1020 80.1 770 695 123 * 777.zstd_r 192 513 241 296 700 577 35.1 S 192 501 247 292 702 583 35.5 S 777.zstd_r 192 513 241 296 696 578 35.0 * 192 497 249 291 705 585 35.6 * 777.zstd_r 192 512 242 297 700 580 35.0 S 192 497 249 292 703 587 35.6 S ============================================================================================================================ 706.stockfish_r 192 335 723 226 713 674 91.0 * 192 327 740 221 717 675 93.0 * 707.ntest_r 192 247 461 138 582 559 69.2 * 192 247 461 138 582 559 69.2 * 708.sqlite_r 192 341 297 227 842 666 37.4 * 192 318 319 204 826 642 41.7 * 710.omnetpp_r 192 220 425 139 769 633 56.5 * 192 188 497 117 769 625 66.9 * 714.cpython_r 192 184 500 138 828 750 55.8 * 192 147 627 111 824 754 69.5 * 721.gcc_r 192 444 296 270 764 608 41.1 * 192 421 313 251 764 596 44.3 * 723.llvm_r 192 234 415 156 739 664 52.4 * 192 189 516 124 747 656 65.9 * 727.cppcheck_r 192 186 370 127 802 682 45.5 * 192 180 383 118 785 655 49.1 * 729.abc_r 192 262 336 162 794 618 45.6 * 192 261 338 161 782 618 45.8 * 734.vpr_r 192 235 376 152 772 645 48.8 * 192 230 385 145 773 633 50.9 * 735.gem5_r 192 137 680 97.8 821 712 80.0 * 192 133 704 94.4 796 711 82.9 * 750.sealcrypto_r 192 247 416 180 751 728 48.2 * 192 247 416 180 751 728 48.2 * 753.ns3_r 192 135 873 91.6 757 679 108 * 192 115 1020 80.1 770 695 123 * 777.zstd_r 192 513 241 296 696 578 35.0 * 192 497 249 291 705 585 35.6 * SPECrate(R)2026_int_energy_base 55.1 SPECrate(R)2026_int_base 429 SPECrate(R)2026_int_energy_peak 59.7 SPECrate(R)2026_int_peak 462 HARDWARE -------- CPU Name: AmpereOneM A192-32M Max MHz: 3200 Nominal: 3200 Enabled: 192 cores, 1 chip Orderable: 1 chip Cache L1: 16 KB I + 64 KB D on chip per core L2: 2 MB I+D on chip per core L3: 64 MB I+D on chip per chip Other: None Memory: 768 GB (12 x 64 GB 2Rx4 PC5-5600B-R) Storage: 1 x 960 GB Samsung M.2 (MZ1L2960HCJR-00A07) Cooling: Air Other: None SOFTWARE -------- OS: Fedora Linux 43 (Server Edition) 6.17.5-200.64K_PS.fc42.aarch64 Compiler: C/C++/Fortran: Version 15.2.0 of GCC Compiler Category: Community Firmware: Version 5.4.5.1 released Oct-2025 File System: xfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: 64-bit Other: Jemalloc memory allocator library v5.3.0 Power Management: OS CPU governor set to "performance" POWER ----- Max. Power (W): 854.3 Idle Power (W): 236.28 Min. Temperature (C): 20.50 Elevation (m): 60 Line Standard: 120 V / 60 Hz / 1 phase / 2 wire Provisioning: Line powered POWER SETTINGS -------------- Management FW: Version 4.06 of MegaRAC BMC Memory Mode: Normal POWER-RELEVANT HARDWARE ----------------------- Power Supply: 1 x 1600 W (non-redundant) Details: 1+1 1600W 80 PLUS Titanium redundant power supplies AC Power Supply Backplane: PCIe Gen5 x4 Other Storage: Embedded SATA Controller Storage Model #s: R2A3-T40-AAV1 NICs Installed: 1 x Mellanox Technologies MT27710 Family @ 25 GbE (2 ports ethernet) NICs Enabled (FW/OS): 2 / 1 NICs Connected/Speed: 1 @ 25 Gbps Other HW Model #s: Fan configuration is 4 x 80x80x38mm POWER ANALYZER -------------- Power Analyzer: cpu-reference-ptd:8000 Hardware Vendor: Yokogawa Model: WT-310 Serial Number: T11733285 Input Connection: Serial over USB Metrology Institute: NIST Calibration By: Yokogawa USA Calibration Label: T126622 Calibration Date: 13-Aug-2025 PTDaemon(R) Version: 1.11.3 (0c074d7d; 2025-10-15) Setup Description: Directly Connected to PSU 1 Current Ranges Used: 10A Voltage Range Used: 150V TEMPERATURE METER ----------------- Temperature Meter: cpu-reference-ptd:9000 Hardware Vendor: PCSensor Model: USB9097+DS18B20 Serial Number: N/A Input Connection: USB PTDaemon Version: 1.11.3 (0c074d7d; 2025-10-15) Setup Description: In front of SUT front panel primary air inlet Compiler Notes -------------- Binaries were compiled on a system with 1x AmpereOneM CPU chip + 768 GB Memory using Fedora Linux 42 Submit Notes ------------ The config file option 'submit' was used. 'numactl' was used to bind copies to the cores. Operating System Notes ---------------------- 'ulimit -s unlimited' was used to set environment stack size Set dirty_ratio=8 to limit dirty cache to 8% of memory echo 8 | sudo tee /proc/sys/vm/dirty_ratio Set swappiness=1 to swap only if necessary echo 1 | sudo tee /proc/sys/vm/swappiness Set zone_reclaim_mode=1 to free local node memory and avoid remote memory echo 1 | sudo tee /proc/sys/vm/zone_reclaim_mode Set drop_caches=3 to reset caches before invoking runcpu echo 3 | sudo tee /proc/sys/vm/drop_caches Set numa_balancing=0 to disable automatic numa balancing echo 0 | sudo tee /proc/sys/kernel/numa_balancing Switch off all ktune and tuned settings sudo tuned-adm off Transparent huge pages set to 'never' sudo bash -c "echo never > /sys/kernel/mm/transparent_hugepage/enabled" runcpu command invoked through numactl i.e. numactl --interleave=all runcpu Environment Variables Notes --------------------------- Environment variables set by runcpu before the start of the run: LD_LIBRARY_PATH = "/home/amptest/workspace/sir2026_pkg_verify/ampere_spec2026/spec2026/jem alloc/install/lib:/home/amptest/workspace/sir2026_pkg_verify/ampere_spec 2026/spec2026/gcc/install/lib64:/home/amptest/ampere_spec2026/spec2026/j emalloc/install/lib:/home/amptest/ampere_spec2026/spec2026/gcc/install/l ib64" MALLOC_CONF = "thp:never,dirty_decay_ms:-1,muzzy_decay_ms:-1,retain:true" General Notes ------------- Jemalloc v5.3.0 is available via https://github.com/jemalloc/jemalloc/releases/download/5.3.0/jemalloc-5.3.0.tar.bz2 It was built on Fedora Linux 42 using Version 15.2.0 of GCC The configure options are "--with-lg-page=16" for building libjemalloc.so, and "--with-lg-quantum=3 --with-lg-page=16" for building libjemalloc_ext.so Tuned MALLOC_CONF in terms of https://jemalloc.net/jemalloc.3.html 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. Platform Notes -------------- Note: lscpu is not able to detect the SLC. SLC is defined at https://developer.arm.com/documentation/100180/0103/bry1436285730281 Sysinfo program /home/amptest/workspace/sir2026_pkg_verify/ampere_spec2026/spec2026/bin/sysinfo Rev: 069f95da7e7f5d81b2ce48a82150e54f running on ampereone Wed Feb 4 11:21:17 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. Systemd service manager version: systemd 258 (258-1.fc43) 11. Services, from systemctl list-unit-files 12. Linux kernel boot-time arguments, from /proc/cmdline 13. cpupower frequency-info 14. tuned-adm active 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 6.17.5-200.64K_PS.fc42.aarch64 #1 SMP PREEMPT_DYNAMIC Wed Jan 21 08:54:52 EST 2026 aarch64 ------------------------------------------------------------ 2. w 11:21:17 up 3:34, 2 users, load average: 95.96, 34.00, 12.19 USER TTY LOGIN@ IDLE JCPU PCPU WHAT amptest 07:47 3:34m 0.00s 0.02s sshd-session: amptest [priv] amptest 07:47 3:34m 0.00s 0.17s /usr/lib/systemd/systemd --user ------------------------------------------------------------ 3. Username From environment variable $USER: root From the command 'logname': amptest ------------------------------------------------------------ 4. ulimit -a real-time non-blocking time (microseconds, -R) unlimited core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 784991 max locked memory (kbytes, -l) 8192 max memory size (kbytes, -m) unlimited open files (-n) 524288 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) 784991 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited ------------------------------------------------------------ 5. sysinfo process ancestry /usr/lib/systemd/systemd --switched-root --system --deserialize=57 sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups sshd-session: amptest [priv] sshd-session: amptest@notty java -jar remoting.jar -workDir /home/amptest -jar-cache /home/amptest/remoting/jarCache /bin/bash /tmp/jenkins1326802532574597729.sh sudo -S -E UPDATE_UTIL=false /home/amptest/util/jenkins/speccpu_pkg_verify.sh GreenSIR2026/without_report/spec2026_intrate_gcc15_Ofast_static_ampereonem_power_109.tgz /bin/bash /home/amptest/util/jenkins/speccpu_pkg_verify.sh GreenSIR2026/without_report/spec2026_intrate_gcc15_Ofast_static_ampereonem_power_109.tgz /bin/bash /home/amptest/workspace/sir2026_pkg_verify/ampere_spec2026/run_spec2026.sh --iterations 3 --nobuild --action run --copies 192 --reportable --tune=base,peak intrate runcpu --config=ampere_aarch64 --define numasize=48 --define gcc_dir=/home/amptest/ampere_spec2026/spec2026/gcc/install --define llvm_dir=/home/amptest/ampere_spec2026/spec2026/llvm/install --define jemalloc_dir=/home/amptest/ampere_spec2026/spec2026/jemalloc/install --define glibc_dir=/ --iterations 3 --nobuild --action run --copies 192 --reportable --tune=base,peak intrate runcpu --configfile ampere_aarch64 --define numasize=48 --define gcc_dir=/home/amptest/ampere_spec2026/spec2026/gcc/install --define llvm_dir=/home/amptest/ampere_spec2026/spec2026/llvm/install --define jemalloc_dir=/home/amptest/ampere_spec2026/spec2026/jemalloc/install --define glibc_dir=/ --iterations 3 --nobuild --action run --copies 192 --reportable --tune base,peak --runmode rate --tune base:peak --size refrate intrate --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.003/templogs/preenv.intrate.003.0.log --lognum 003.0 --from_runcpu 2 specperl $SPEC/bin/sysinfo -f $SPEC = /home/amptest/workspace/sir2026_pkg_verify/ampere_spec2026/spec2026 ------------------------------------------------------------ 6. /proc/cpuinfo CPU implementer : 0xc0 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xac4 CPU revision : 0 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 asimdfhm dit uscat ilrcpc flagm ssbs sb paca pacg dcpodp flagm2 frint i8mm bf16 rng bti ecv ------------------------------------------------------------ 7. lscpu From lscpu from util-linux 2.41.3: Architecture: aarch64 CPU op-mode(s): 64-bit Byte Order: Little Endian CPU(s): 192 On-line CPU(s) list: 0-191 Vendor ID: Ampere BIOS Vendor ID: Ampere (R) Model name: Ampere-1a BIOS Model name: AmpereOne (R) A192-32M CPU @ 3.2GHz BIOS CPU family: 257 Model: 0 Thread(s) per core: 1 Core(s) per socket: 192 Socket(s): 1 Stepping: 0x0 Frequency boost: disabled CPU(s) scaling MHz: 100% CPU max MHz: 3200.0000 CPU min MHz: 1000.0000 BogoMIPS: 2000.00 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 asimdfhm dit uscat ilrcpc flagm ssbs sb paca pacg dcpodp flagm2 frint i8mm bf16 rng bti ecv L1d cache: 12 MiB (192 instances) L1i cache: 3 MiB (192 instances) L2 cache: 384 MiB (192 instances) NUMA node(s): 4 NUMA node0 CPU(s): 0-47 NUMA node1 CPU(s): 48-95 NUMA node2 CPU(s): 96-143 NUMA node3 CPU(s): 144-191 Vulnerability Gather data sampling: Not affected Vulnerability Ghostwrite: 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 Old microcode: 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; __user pointer sanitization Vulnerability Spectre v2: Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected From lscpu --cache: NAME ONE-SIZE ALL-SIZE WAYS TYPE LEVEL SETS PHY-LINE COHERENCY-SIZE L1d 64K 12M 4 Data 1 256 64 L1i 16K 3M 4 Instruction 1 64 64 L2 2M 384M 8 Unified 2 4096 64 ------------------------------------------------------------ 8. numactl --hardware NOTE: a numactl 'node' might or might not correspond to a physical chip. available: 4 nodes (0-3) node 0 cpus: 0-47 node 0 size: 195947 MB node 0 free: 189432 MB node 1 cpus: 48-95 node 1 size: 196403 MB node 1 free: 189586 MB node 2 cpus: 96-143 node 2 size: 196403 MB node 2 free: 192659 MB node 3 cpus: 144-191 node 3 size: 196211 MB node 3 free: 191565 MB node distances: node 0 1 2 3 0: 10 11 11 12 1: 11 10 12 11 2: 11 12 10 11 3: 12 11 11 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 803806272 kB 'who -r' did not return a run level ------------------------------------------------------------ 10. Systemd service manager version: systemd 258 (258-1.fc43) Default Target Status multi-user running ------------------------------------------------------------ 11. Services, from systemctl list-unit-files STATE UNIT FILES enabled ModemManager NetworkManager NetworkManager-dispatcher abrt-journal-core abrt-oops abrt-vmcore abrt-xorg abrtd atd audit-rules auditd authselect-apply-changes bluetooth crond dbus-broker fips-crypto-policy-overlay firewalld getty@ irqbalance iscsi-onboot iscsi-starter lm_sensors lvm2-monitor mdmonitor multipathd rpmdb-rebuild rsyslog rtkit-daemon selinux-autorelabel-mark smartd sshd sssd systemd-boot-clear-sysfail systemd-confext systemd-resolved systemd-sysext systemd-tpm2-clear tuned udisks2 upower enabled-runtime systemd-remount-fs disabled NetworkManager-wait-online abrt-pstoreoops arp-ethers blk-availability canberra-system-bootup canberra-system-shutdown canberra-system-shutdown-reboot chrony-wait chronyd chronyd-restricted console-getty containerd cpupower debug-shell dnf-system-upgrade dnf5-offline-transaction dnsmasq docker fancontrol fsidd gssproxy iscsi-init iscsid iscsiuio kvm_stat lastlog2-import low-memory-monitor lvm-devices-import man-db-restart-cache-update netavark-dhcp-proxy netavark-firewalld-reload netavark-nftables-reload nfs-blkmap nfs-server nftables nis-domainname nvmefc-boot-connections nvmf-autoconnect openhpid podman podman-auto-update podman-clean-transient podman-kube@ podman-restart psacct rmtfs rpcbind selinux-check-proper-disable ssh-host-keys-migration sshd-keygen@ svnserve systemd-boot-check-no-failures systemd-boot-update systemd-homed systemd-homed-activate systemd-homed-firstboot systemd-network-generator systemd-oomd 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-pstore systemd-time-wait-sync systemd-timesyncd systemd-udev-load-credentials systemd-userdb-load-credentials wpa_supplicant zvbid indirect iscsi pcscd serial-getty@ sshd@ sssd-autofs sssd-kcm sssd-nss sssd-pac sssd-pam sssd-ssh sssd-sudo systemd-sysupdate systemd-sysupdate-reboot systemd-userdbd ------------------------------------------------------------ 12. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=(hd5,gpt2)/vmlinuz-6.17.5-200.64K_PS.fc42.aarch64 root=/dev/mapper/fedora-root ro rd.lvm.lv=fedora/root nokaslr kaslr.disabled=1 nohz=on nohz_full=0-191 ------------------------------------------------------------ 13. cpupower frequency-info analyzing CPU 4: current policy: frequency should be within 1000 MHz and 3.20 GHz. The governor "performance" may decide which speed to use within this range. ------------------------------------------------------------ 14. tuned-adm active No current active profile. ------------------------------------------------------------ 15. sysctl kernel.numa_balancing 0 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 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 536870912 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 8191 max_ptes_shared 4096 max_ptes_swap 1024 pages_to_scan 65536 scan_sleep_millisecs 10000 ------------------------------------------------------------ 18. OS release From /etc/*-release /etc/*-version os-release Fedora Linux 43 (Server Edition) fedora-release Fedora release 43 (Forty Three) redhat-release Fedora release 43 (Forty Three) system-release Fedora release 43 (Forty Three) ------------------------------------------------------------ 19. Disk information SPEC is set to: /home/amptest/workspace/sir2026_pkg_verify/ampere_spec2026/spec2026 Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/fedora-root xfs 891G 245G 647G 28% / ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: GIGACOMPUTING Product: R2A3-T40-AAV1 Product Family: R2A3-T40-AAV1 Serial: 0000000000000000000000000001 ------------------------------------------------------------ 21. 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 Micron Technology MTC40F2046S1RC56BD2 MLCC 64 GB 2 rank 5600 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: Ampere Computing LLC BIOS Version: 5.4.5.1 BIOS Date: 10/22/2025 BIOS Revision: 5.37 Compiler Version Notes ---------------------- ============================================================================== C | 708.sqlite_r(base, peak) 714.cpython_r(base, peak) 777.zstd_r(base, | peak) ------------------------------------------------------------------------------ gcc (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++ | 706.stockfish_r(base, peak) 707.ntest_r(base, peak) | 727.cppcheck_r(base, peak) 753.ns3_r(base, peak) ------------------------------------------------------------------------------ g++ (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 710.omnetpp_r(base pass 0, peak pass 1, peak pass 2) 721.gcc_r(base | pass 0, peak pass 1, peak pass 2) 723.llvm_r(base pass 0, peak pass | 1, peak pass 2) 729.abc_r(base pass 0, peak pass 1, peak pass 2) | 734.vpr_r(base pass 0, peak pass 1, peak pass 2) 735.gem5_r(base | pass 0, peak pass 1, peak pass 2) 750.sealcrypto_r(base pass 0, peak | pass 0) ------------------------------------------------------------------------------ g++ (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 710.omnetpp_r(base pass 0, peak pass 1, peak pass 2) 721.gcc_r(base | pass 0, peak pass 1, peak pass 2) 723.llvm_r(base pass 0, peak pass | 1, peak pass 2) 729.abc_r(base pass 0, peak pass 1, peak pass 2) | 734.vpr_r(base pass 0, peak pass 1, peak pass 2) 735.gem5_r(base | pass 0, peak pass 1, peak pass 2) 750.sealcrypto_r(base pass 0, peak | pass 0) ------------------------------------------------------------------------------ gcc (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 710.omnetpp_r(base pass 0, peak pass 1, peak pass 2) 721.gcc_r(base | pass 0, peak pass 1, peak pass 2) 723.llvm_r(base pass 0, peak pass | 1, peak pass 2) 729.abc_r(base pass 0, peak pass 1, peak pass 2) | 734.vpr_r(base pass 0, peak pass 1, peak pass 2) 735.gem5_r(base | pass 0, peak pass 1, peak pass 2) 750.sealcrypto_r(base pass 0, peak | pass 0) ------------------------------------------------------------------------------ g++ (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ ============================================================================== C++, C | 710.omnetpp_r(base pass 0, peak pass 1, peak pass 2) 721.gcc_r(base | pass 0, peak pass 1, peak pass 2) 723.llvm_r(base pass 0, peak pass | 1, peak pass 2) 729.abc_r(base pass 0, peak pass 1, peak pass 2) | 734.vpr_r(base pass 0, peak pass 1, peak pass 2) 735.gem5_r(base | pass 0, peak pass 1, peak pass 2) 750.sealcrypto_r(base pass 0, peak | pass 0) ------------------------------------------------------------------------------ gcc (GCC) 15.2.0 Copyright (C) 2025 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: gcc C++ benchmarks: g++ Benchmarks using both C and C++: g++ gcc Base Portability Flags ---------------------- 710.omnetpp_r: -fno-finite-math-only 734.vpr_r: -fno-finite-math-only 735.gem5_r: -fno-finite-math-only Base Optimization Flags ----------------------- C benchmarks: -mabi=lp64 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 -u malloc -ljemalloc C++ benchmarks: 706.stockfish_r: -mabi=lp64 -std=c++17 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -pthread -u malloc -ljemalloc_ext 707.ntest_r: -mabi=lp64 -std=c++17 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -u malloc -ljemalloc_ext 727.cppcheck_r: Same as 707.ntest_r 753.ns3_r: Same as 707.ntest_r Benchmarks using both C and C++: 710.omnetpp_r: -mabi=lp64 -std=c++17 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -u malloc -ljemalloc_ext 721.gcc_r: Same as 710.omnetpp_r 723.llvm_r: -mabi=lp64 -std=c++17 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -pthread -u malloc -ljemalloc_ext 729.abc_r: Same as 710.omnetpp_r 734.vpr_r: Same as 710.omnetpp_r 735.gem5_r: Same as 723.llvm_r 750.sealcrypto_r: Same as 710.omnetpp_r Base Other Flags ---------------- C benchmarks: -w -Wl,-Map,mapfile C++ benchmarks: -Wl,-Map,mapfile Benchmarks using both C and C++: -w -Wl,-Map,mapfile Peak Compiler Invocation ------------------------ C benchmarks: gcc C++ benchmarks: g++ Benchmarks using both C and C++: g++ gcc Peak Portability Flags ---------------------- 710.omnetpp_r: -fno-finite-math-only 734.vpr_r: -fno-finite-math-only 735.gem5_r: -fno-finite-math-only Peak Optimization Flags ----------------------- C benchmarks: -mabi=lp64 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -fprofile-generate -fprofile-use -fprofile-partial-training -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 -u malloc -ljemalloc C++ benchmarks: 706.stockfish_r: -mabi=lp64 -std=c++17 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -fprofile-generate -fprofile-use -fprofile-partial-training -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -pthread -u malloc -ljemalloc_ext 707.ntest_r: basepeak = yes 727.cppcheck_r: -mabi=lp64 -std=c++17 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -fprofile-generate -fprofile-use -fprofile-partial-training -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -u malloc -ljemalloc_ext 753.ns3_r: Same as 727.cppcheck_r Benchmarks using both C and C++: 710.omnetpp_r: -mabi=lp64 -std=c++17 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -fprofile-generate -fprofile-use -fprofile-partial-training -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -u malloc -ljemalloc_ext 721.gcc_r: Same as 710.omnetpp_r 723.llvm_r: -mabi=lp64 -std=c++17 -std=c18 -Wl,-allow-multiple-definition -static -fwhole-program -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib64 -L/home/amptest/ampere_spec2026/spec2026/gcc/install/lib -L/home/amptest/ampere_spec2026/spec2026/jemalloc/install/lib -fprofile-generate -fprofile-use -fprofile-partial-training -g -Ofast -mcpu=ampere1a -flto=32 -funroll-loops --param early-inlining-insns=96 --param max-inline-insns-auto=64 --param inline-unit-growth=96 --param early-inlining-insns=256 --param max-inline-insns-auto=128 --param inline-unit-growth=256 -ffinite-loops -pthread -u malloc -ljemalloc_ext 729.abc_r: Same as 710.omnetpp_r 734.vpr_r: Same as 710.omnetpp_r 735.gem5_r: Same as 723.llvm_r 750.sealcrypto_r: basepeak = yes Peak Other Flags ---------------- C benchmarks: -w -Wl,-Map,mapfile C++ benchmarks: -Wl,-Map,mapfile Benchmarks using both C and C++: -w -Wl,-Map,mapfile The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/gcc-rev-A2.html http://www.spec.org/cpu2026/results/flags/GIGA-BYTE-platform-settings-AmpereOneM-rev.1.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/gcc-rev-A2.xml http://www.spec.org/cpu2026/results/flags/GIGA-BYTE-platform-settings-AmpereOneM-rev.1.xml PTDaemon, 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 14:21:16-0500. Report generated on 2026-05-04 23:26:59 by CPU2026 text formatter (aa18784a). Originally published on 2026-05-05.