SPEC CPU(R)2026 Integer Rate Result NVIDIA NVIDIA DGX Spark (3.9 GHz NVIDIA GB10 CPU) Test Sponsor: Arm CPU2026 License: 9044 Test date: Feb-2026 Test sponsor: Arm Hardware availability: Oct-2025 Tested by: Arm Software availability: Feb-2026 Base Base Base Peak Peak Peak Benchmarks Copies Run Time Rate Copies Run Time Rate ---------------- ------- --------- --------- ------- --------- --------- 706.stockfish_r 20 172 146 S 706.stockfish_r 20 177 142 * 706.stockfish_r 20 179 140 S 707.ntest_r 20 191 62.1 S 707.ntest_r 20 182 65.2 S 707.ntest_r 20 187 63.4 * 708.sqlite_r 20 224 47.1 S 708.sqlite_r 20 222 47.6 S 708.sqlite_r 20 223 47.4 * 710.omnetpp_r 20 161 60.5 * 710.omnetpp_r 20 161 60.4 S 710.omnetpp_r 20 159 61.1 S 714.cpython_r 20 121 79.5 * 714.cpython_r 20 121 79.2 S 714.cpython_r 20 115 83.1 S 721.gcc_r 20 250 54.9 S 721.gcc_r 20 254 54.0 * 721.gcc_r 20 257 53.3 S 723.llvm_r 20 169 60.0 S 723.llvm_r 20 174 58.4 * 723.llvm_r 20 174 58.3 S 727.cppcheck_r 20 128 56.1 * 727.cppcheck_r 20 128 56.2 S 727.cppcheck_r 20 129 55.9 S 729.abc_r 20 173 53.0 S 729.abc_r 20 173 53.2 S 729.abc_r 20 173 53.0 * 734.vpr_r 20 175 52.8 * 734.vpr_r 20 168 54.9 S 734.vpr_r 20 175 52.7 S 735.gem5_r 20 136 71.7 S 735.gem5_r 20 135 72.0 * 735.gem5_r 20 132 73.5 S 750.sealcrypto_r 20 74.2 144 S 750.sealcrypto_r 20 74.3 144 * 750.sealcrypto_r 20 81.9 131 S 753.ns3_r 20 146 83.7 S 753.ns3_r 20 145 84.7 * 753.ns3_r 20 142 86.6 S 777.zstd_r 20 339 38.0 * 777.zstd_r 20 352 36.6 S 777.zstd_r 20 339 38.0 S ================================================================================== 706.stockfish_r 20 177 142 * 707.ntest_r 20 187 63.4 * 708.sqlite_r 20 223 47.4 * 710.omnetpp_r 20 161 60.5 * 714.cpython_r 20 121 79.5 * 721.gcc_r 20 254 54.0 * 723.llvm_r 20 174 58.4 * 727.cppcheck_r 20 128 56.1 * 729.abc_r 20 173 53.0 * 734.vpr_r 20 175 52.8 * 735.gem5_r 20 135 72.0 * 750.sealcrypto_r 20 74.3 144 * 753.ns3_r 20 145 84.7 * 777.zstd_r 20 339 38.0 * SPECrate(R)2026_int_base 66.6 SPECrate(R)2026_int_peak Not Run HARDWARE -------- CPU Name: NVIDIA GB10 Max MHz: 4004 Nominal: 3900 Enabled: 20 (10x Cortex-X925, 10x Cortex-A725) cores, 1 chip Orderable: 1 chips Cache L1: 64 KB I + 64 KB D on chip per core L2: 2 MB I+D on chip per core; 512 KB I+D on chip per core L3: 16 MB I+D on chip per 10 core cluster (Cluster 1); 8 MB I+D on chip per 10 core cluster (Cluster 0) Other: None Memory: 128 GB (LPDDR5X-8533 MT/s) Storage: 1 x 3.7 TB NVMe SSD Cooling: Air Other: None SOFTWARE -------- OS: Ubuntu 24.04.3 LTS 6.14.0-1013-nvidia Compiler: C/C++/Fortran: Version 22.1.0 of LLVM Compiler Category: Community Firmware: Version 5.36_0ACUM018 released Aug-2025 File System: ext4 System State: Run level 5 (graphical multi-user) Base Pointers: 64-bit Peak Pointers: Not Applicable Other: None Power Management: OS set to prefer performance at the cost of additional power usage Compiler Notes -------------- The compiler used was release candidate 2 of llvm 22.1.0, downloaded from github.com/llvm/llvm-project/releases/download/llvmorg-22.1.0-rc2 built locally with GCC14 with default flags and clang, flang and lld projects following the instructions detailed here: https://llvm.org/docs/CMake.html Operating System Notes ---------------------- 'ulimit -s unlimited' was used to set environment stack size limit THP was enabled by running $echo always | sudo tee /sys/kernel/mm/transparent_hugepage/enabled Environment Variables Notes --------------------------- Environment variables set by runcpu before the start of the run: LD_LIBRARY_PATH = "/opt/llvm/llvm-22.1.0-rc2/lib64/:/opt/llvm/llvm-22.1.0-rc2/lib/:/lib64" General Notes ------------- CPU consists of 2 heterogeneous clusters: with L3 of 8MB and 16MB respectively. Each CPU cluster is made up of 5 e-cores and 5 p-cores Platform Notes -------------- Sysinfo program /opt/builds/spec2026/bin/sysinfo Rev: 069f95da7e7f5d81b2ce48a82150e54f running on spark-ca5f Fri Feb 6 15:34:41 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 255 (255.4-1ubuntu8.11) 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 6.14.0-1013-nvidia #13-Ubuntu SMP PREEMPT_DYNAMIC Wed Oct 29 06:01:19 UTC 2025 aarch64 ------------------------------------------------------------ 2. w 15:34:41 up 2 days, 7:09, 2 users, load average: 5.45, 11.53, 14.36 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT fralov01 10.34.125.5 08:02 6:28m 0.00s 0.03s sshd: fralov01 [priv] gdm tty1 - Wed08 2days 1:43 0.04s /usr/bin/gjs -m /usr/share/gnome-shell/org.gnome.ScreenSaver ------------------------------------------------------------ 3. Username From environment variable $USER: root From the command 'logname': fralov01 ------------------------------------------------------------ 4. ulimit -a time(seconds) unlimited file(blocks) unlimited data(kbytes) unlimited stack(kbytes) unlimited coredump(blocks) 0 memory(kbytes) unlimited locked memory(kbytes) 15688996 process 511872 nofiles 1024 vmemory(kbytes) unlimited locks unlimited rtprio 0 ------------------------------------------------------------ 5. sysinfo process ancestry /sbin/init splash sshd: /usr/sbin/sshd -D [listener] 0 of 10-100 startups sshd: fralov01 [priv] sshd: fralov01@pts/0 -bash sudo bash sudo bash bash runcpu --config=llvm-rc-linux-aarch64-dgx-spark.cfg --action=run fprate intrate --iterations=3 --reportable --copies=20 runcpu --configfile llvm-rc-linux-aarch64-dgx-spark.cfg --action run --iterations 3 --reportable --copies 20 --nopower --runmode rate --tune base --size refrate intrate --nopreenv --note-preenv --logfile $SPEC/tmp/CPU2026.002/templogs/preenv.intrate.002.1.log --lognum 002.1 --from_runcpu 2 specperl $SPEC/bin/sysinfo -f $SPEC = /opt/builds/spec2026 ------------------------------------------------------------ 6. /proc/cpuinfo CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd85 CPU part : 0xd87 CPU revision : 1 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh bti ecv afp wfxt WARNING: the number of "processors" from /proc/cpuinfo does not seem to match the number of hardware threads as reported by lscpu. Please verify counts independently. ------------------------------------------------------------ 7. lscpu From lscpu from util-linux 2.39.3: Architecture: aarch64 CPU op-mode(s): 64-bit Byte Order: Little Endian CPU(s): 20 On-line CPU(s) list: 0-19 Vendor ID: ARM BIOS Vendor ID: NVIDIA Model name: Cortex-X925 BIOS Model name: GB10 Spark CPU @ 3.9GHz BIOS CPU family: 258 Model: 1 Thread(s) per core: 1 Core(s) per socket: 10 Socket(s): 1 Stepping: r0p1 CPU(s) scaling MHz: 97% CPU max MHz: 4004.0000 CPU min MHz: 1378.0000 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 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh bti ecv afp wfxt Model name: Cortex-A725 BIOS Model name: GB10 Spark CPU @ 3.9GHz BIOS CPU family: 258 Model: 1 Thread(s) per core: 1 Core(s) per socket: 10 Socket(s): 1 Stepping: r0p1 CPU(s) scaling MHz: 79% CPU max MHz: 2860.0000 CPU min MHz: 338.0000 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 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh bti ecv afp wfxt L1d cache: 1.3 MiB (20 instances) L1i cache: 1.3 MiB (20 instances) L2 cache: 25 MiB (20 instances) L3 cache: 24 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-19 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 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: Mitigation; CSV2, BHB 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 1.3M 4 Data 1 256 64 L1i 64K 1.3M 4 Instruction 1 256 64 L2 512K 25M 8 Unified 2 1024 64 L3 8M 24M 16 Unified 3 8192 64 ------------------------------------------------------------ 8. numactl --hardware NOTE: a numactl 'node' might or might not correspond to a physical chip. available: 1 nodes (0) node 0 cpus: 0-19 node 0 size: 122570 MB node 0 free: 35304 MB node distances: node 0 0: 10 ------------------------------------------------------------ 9. /proc/meminfo MemTotal: 125511968 kB ------------------------------------------------------------ 10. who -r run-level 5 Feb 4 08:25 ------------------------------------------------------------ 11. Systemd service manager version: systemd 255 (255.4-1ubuntu8.11) Default Target Status graphical running ------------------------------------------------------------ 12. Services, from systemctl list-unit-files STATE UNIT FILES enabled ModemManager NetworkManager NetworkManager-dispatcher accounts-daemon anacron apparmor apport avahi-daemon blk-availability bluetooth cfg-iommu cloud-config cloud-final cloud-init cloud-init-local console-setup containerd cron cups cups-browsed dgx-dashboard dgx-dashboard-admin dgx-release dgxstation-desktop dmesg docker e2scrub_reap finalrd getty@ gnome-remote-desktop grub-common grub-initrd-fallback kdump-tools keyboard-setup lvm2-monitor multipathd networkd-dispatcher nv-cpu-governor nv-docker-gpus nvidia-cdi-refresh nvidia-conf-xconfig nvidia-console-settings nvidia-disable-aqc-nic nvidia-disable-init-on-alloc nvidia-disable-numa-balancing nvidia-earlycon nvidia-enable-power-meter-cap nvidia-grubserial nvidia-hibernate nvidia-nvme-interrupt-coalescing nvidia-pci-realloc nvidia-persistenced nvidia-raid-config nvidia-redfish-config nvidia-resume nvidia-spark-run-apt-upgrade-once nvidia-suspend nvmefc-boot-connections nvmf-autoconnect open-iscsi open-vm-tools openvpn pollinate ras-mc-ctl rasdaemon restart-resolved rsyslog samba-ad-dc secureboot-db setvtrgb smartmontools snapd srp_daemon ssl-cert switcheroo-control sysstat systemd-pstore systemd-resolved systemd-timesyncd ua-reboot-cmds ubuntu-advantage udisks2 ufw vgauth wpa_supplicant enabled-runtime netplan-ovs-cleanup systemd-fsck-root systemd-remount-fs disabled NetworkManager-wait-online brltty console-getty debug-shell dgx-oobe dgx-oobe-admin dgx-oobe-hostname dgx-oobe-hotspot dgx-oobe-hotspot-watchdog dgx-oobe-ubuntu-pro-activate dnsmasq dnsmasq@ iperf3 ipmievd iscsid nftables nmbd nvidia-desktop-default-snaps nvidia-dgx-sol nvidia-dgx-telemetry nvidia-remove-gnome-software-once nvidia-spark-mlnx-firmware-manager nvidia-spark-remove-once nvidia-suspend-then-hibernate openvpn-client@ openvpn-server@ openvpn@ quota quotarpc rpcbind rsync rtkit-daemon setup-oem-config-override smbd speech-dispatcherd srp_daemon_port@ ssh systemd-boot-check-no-failures systemd-confext systemd-network-generator systemd-networkd systemd-networkd-wait-online systemd-networkd-wait-online@ 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-sysext systemd-time-wait-sync upower wpa_supplicant-nl80211@ wpa_supplicant-wired@ wpa_supplicant@ generated speech-dispatcher indirect saned@ serial-getty@ spice-vdagentd systemd-sysupdate systemd-sysupdate-reboot uuidd masked alsa-utils cryptdisks cryptdisks-early hwclock multipath-tools-boot nfs-common nvsm nvsm-api-gateway nvsm-core nvsm-exporter nvsm-mqtt nvsm-notifier saned screen-cleanup sudo x11-common ------------------------------------------------------------ 13. Linux kernel boot-time arguments, from /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-6.14.0-1013-nvidia root=UUID=d27bfd26-ff30-400e-9eca-9cdf73de9406 ro init_on_alloc=0 console=tty0 plymouth.ignore-serial-consoles plymouth.use-simpledrm earlycon=uart,mmio32,0x16A00000 console=tty0 console=ttyS0,921600 crashkernel=1G-:0M quiet splash pci=pcie_bus_safe vt.handoff=7 ------------------------------------------------------------ 14. cpupower frequency-info analyzing CPU 10: current policy: frequency should be within 338 MHz and 2.86 GHz. The governor "performance" may decide which speed to use within this range. ------------------------------------------------------------ 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 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 Ubuntu 24.04.3 LTS dgx-release DGX_NAME="DGX Spark" ------------------------------------------------------------ 19. Disk information SPEC is set to: /opt/builds/spec2026 Filesystem Type Size Used Avail Use% Mounted on /dev/nvme0n1p2 ext4 3.7T 505G 3.0T 15% / ------------------------------------------------------------ 20. /sys/devices/virtual/dmi/id Vendor: NVIDIA Product: NVIDIA_DGX_Spark Product Family: DGX Spark Serial: 1984025007657 ------------------------------------------------------------ 21. dmidecode Additional information from dmidecode 3.5 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: 1x SK Hynix None 128 GB 8533 ------------------------------------------------------------ 22. BIOS (This section combines info from /sys/devices and dmidecode.) BIOS Vendor: American Megatrends International, LLC. BIOS Version: 5.36_0ACUM018 BIOS Date: 08/06/2025 BIOS Revision: 5.36 Compiler Version Notes ---------------------- ============================================================================== C | 708.sqlite_r(base) 714.cpython_r(base) 777.zstd_r(base) ------------------------------------------------------------------------------ clang version 22.1.0-rc2 Target: aarch64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/llvm/llvm-22.1.0-rc2/bin ------------------------------------------------------------------------------ ============================================================================== C++ | 706.stockfish_r(base) 707.ntest_r(base) 727.cppcheck_r(base) | 753.ns3_r(base) ------------------------------------------------------------------------------ clang version 22.1.0-rc2 Target: aarch64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/llvm/llvm-22.1.0-rc2/bin ------------------------------------------------------------------------------ ============================================================================== C++, C | 710.omnetpp_r(base) 721.gcc_r(base) 723.llvm_r(base) 729.abc_r(base) | 734.vpr_r(base) 735.gem5_r(base) 750.sealcrypto_r(base) ------------------------------------------------------------------------------ clang version 22.1.0-rc2 Target: aarch64-unknown-linux-gnu Thread model: posix InstalledDir: /opt/llvm/llvm-22.1.0-rc2/bin ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: clang C++ benchmarks: clang++ Benchmarks using both C and C++: clang++ clang Base Portability Flags ---------------------- 706.stockfish_r: -DSPEC_LP64 707.ntest_r: -DSPEC_LP64 708.sqlite_r: -DSPEC_LP64 710.omnetpp_r: -fno-finite-math-only -DSPEC_LP64 714.cpython_r: -DSPEC_LP64 721.gcc_r: -DSPEC_LP64 723.llvm_r: -DSPEC_LP64 727.cppcheck_r: -DSPEC_LP64 729.abc_r: -DSPEC_LP64 734.vpr_r: -fno-finite-math-only -DSPEC_LP64 735.gem5_r: -fno-finite-math-only -DSPEC_LP64 750.sealcrypto_r: -DSPEC_LP64 753.ns3_r: -fno-finite-math-only -DSPEC_LP64 777.zstd_r: -DSPEC_LP64 Base Optimization Flags ----------------------- C benchmarks: -fuse-ld=lld -std=c18 -g -O3 -mcpu=native -ffast-math -flto=thin -fomit-frame-pointer C++ benchmarks: 706.stockfish_r: -fuse-ld=lld -std=c++17 -g -O3 -mcpu=native -ffast-math -flto=thin -fomit-frame-pointer -pthread 707.ntest_r: -fuse-ld=lld -std=c++17 -g -O3 -mcpu=native -ffast-math -flto=thin -fomit-frame-pointer 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: -fuse-ld=lld -std=c++17 -std=c18 -g -O3 -mcpu=native -ffast-math -flto=thin -fomit-frame-pointer 721.gcc_r: Same as 710.omnetpp_r 723.llvm_r: -fuse-ld=lld -std=c++17 -std=c18 -g -O3 -mcpu=native -ffast-math -flto=thin -fomit-frame-pointer -pthread 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 The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2026/results/flags/llvm-rev-A2.html http://www.spec.org/cpu2026/results/flags/Nvidia-Platform-Settings.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2026/results/flags/llvm-rev-A2.xml http://www.spec.org/cpu2026/results/flags/Nvidia-Platform-Settings.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 2026-02-06 10:34:41-0500. Report generated on 2026-05-04 23:30:38 by CPU2026 text formatter (aa18784a). Originally published on 2026-05-05.