SPEChpc(TM) 2021 Tiny Result Lenovo Global Technology ThinkSystem SC777 V4(Arm Neoverse V2, Nvidia GB200) hpc2021 License: 28 Test date: May-2026 Test sponsor: Lenovo Global Technology Hardware availability: Oct-2026 Tested by: Lenovo Global Technology Software availability: Oct-2026 Base Base Thrds Base Base Peak Peak Thrds Peak Peak Benchmarks Model Ranks pr Rnk Run Time Ratio Model Ranks pr Rnk Run Time Ratio -------------- ------ ------ ------ --------- --------- ------ ------ ------ --------- --------- 505.lbm_t ACC 4 2 33.1 68.0 S ACC 4 2 33.1 68.0 S 505.lbm_t ACC 4 2 20.5 110 * ACC 4 2 20.5 110 * 505.lbm_t ACC 4 2 20.5 110 S ACC 4 2 20.5 110 S 513.soma_t ACC 4 2 43.3 85.4 S ACC 4 2 43.3 85.4 S 513.soma_t ACC 4 2 43.3 85.5 * ACC 4 2 43.3 85.5 * 513.soma_t ACC 4 2 42.8 86.5 S ACC 4 2 42.8 86.5 S 518.tealeaf_t ACC 4 2 21.9 75.5 S ACC 4 2 21.9 75.5 S 518.tealeaf_t ACC 4 2 22.0 75.0 S ACC 4 2 22.0 75.0 S 518.tealeaf_t ACC 4 2 22.0 75.1 * ACC 4 2 22.0 75.1 * 519.clvleaf_t ACC 4 2 18.6 88.8 S ACC 4 2 18.6 88.8 S 519.clvleaf_t ACC 4 2 18.6 88.9 S ACC 4 2 18.6 88.9 S 519.clvleaf_t ACC 4 2 18.6 88.8 * ACC 4 2 18.6 88.8 * 521.miniswp_t ACC 4 2 34.2 46.8 S ACC 4 2 34.2 46.8 S 521.miniswp_t ACC 4 2 27.4 58.3 * ACC 4 2 27.4 58.3 * 521.miniswp_t ACC 4 2 27.4 58.4 S ACC 4 2 27.4 58.4 S 528.pot3d_t ACC 4 2 22.7 93.8 S ACC 4 2 22.7 93.8 S 528.pot3d_t ACC 4 2 22.5 94.4 * ACC 4 2 22.5 94.4 * 528.pot3d_t ACC 4 2 22.5 94.5 S ACC 4 2 22.5 94.5 S 532.sph_exa_t ACC 4 2 76.4 25.5 * ACC 4 2 76.4 25.5 * 532.sph_exa_t ACC 4 2 76.4 25.5 S ACC 4 2 76.4 25.5 S 532.sph_exa_t ACC 4 2 76.0 25.7 S ACC 4 2 76.0 25.7 S 534.hpgmgfv_t ACC 4 2 47.0 25.0 * ACC 4 2 47.0 25.0 * 534.hpgmgfv_t ACC 4 2 46.8 25.1 S ACC 4 2 46.8 25.1 S 534.hpgmgfv_t ACC 4 2 47.0 25.0 S ACC 4 2 47.0 25.0 S 535.weather_t ACC 4 2 19.9 162 S ACC 4 2 19.9 162 S 535.weather_t ACC 4 2 19.9 162 * ACC 4 2 19.9 162 * 535.weather_t ACC 4 2 19.9 162 S ACC 4 2 19.9 162 S ============================================================================================================ 505.lbm_t ACC 4 2 20.5 110 * ACC 4 2 20.5 110 * 513.soma_t ACC 4 2 43.3 85.5 * ACC 4 2 43.3 85.5 * 518.tealeaf_t ACC 4 2 22.0 75.1 * ACC 4 2 22.0 75.1 * 519.clvleaf_t ACC 4 2 18.6 88.8 * ACC 4 2 18.6 88.8 * 521.miniswp_t ACC 4 2 27.4 58.3 * ACC 4 2 27.4 58.3 * 528.pot3d_t ACC 4 2 22.5 94.4 * ACC 4 2 22.5 94.4 * 532.sph_exa_t ACC 4 2 76.4 25.5 * ACC 4 2 76.4 25.5 * 534.hpgmgfv_t ACC 4 2 47.0 25.0 * ACC 4 2 47.0 25.0 * 535.weather_t ACC 4 2 19.9 162 * ACC 4 2 19.9 162 * SPEChpc 2021_tny_base 69.1 SPEChpc 2021_tny_peak 69.1 BENCHMARK DETAILS ----------------- Type of System: Homogeneous Cluster Compute Nodes Used: 1 Total Chips: 2 Total Cores: 144 Total Threads: 144 Total Memory: 960 GB Total Accelerators: 4 Max. Peak Threads: 2 Compiler: NVIDIA HPC SDK 25.11 MPI Library: Open MPI 4.1.9a1 Other MPI Info: None Base Parallel Model: ACC Base Ranks Run: 4 Base Threads Run: 2 Peak Parallel Models: ACC Minimum Peak Ranks: 4 Maximum Peak Ranks: 4 Max. Peak Threads: 2 Min. Peak Threads: 2 Node Description: ThinkSystem SC777 V4 ====================================== HARDWARE -------- Number of nodes: 1 Uses of the node: compute Vendor: Lenovo Global Technology Model: ThinkSystem SC777 V4 CPU Name: NVIDIA Grace Neoverse V2 CPU CPU(s) orderable: 2 chips Chips enabled: 2 Cores enabled: 144 Cores per chip: 72 Threads per core: 1 CPU Characteristics: Grace CPU @3.3GHz CPU MHz: 3300 Primary Cache: 64 KB I + 64 KB D on chip per core Secondary Cache: 1 MB I+D on chip per core L3 Cache: 117 MB I+D on chip per chip Other Cache: None Memory: 960 GB (2x 480 GB LPDDR5X) Disk Subsystem: 1x ThinkSystem 2.5" 5300 480GB SSD Other Hardware: None Accel Count: 4 Accel Model: NVIDIA GB200 Accel Vendor: NVIDIA Corporation Accel Type: GPU Accel Connection: NVLink-C2C Accel ECC enabled: Yes Accel Description: NVIDIA Grace Blackwell GB200 Adapter: N/A Number of Adapters: 1 Slot Type: N/A Data Rate: N/A Ports Used: 0 Interconnect Type: N/A SOFTWARE -------- Accelerator Driver: 610.43.02 Adapter: N/A Adapter Driver: N/A Adapter Firmware: N/A Operating System: Ubuntu 24.04.4 LTS, Kernel 6.17.0-1018-nvidia-64k Local File System: xfs Shared File System: XFS System State: Multi-user, run level 3 Other Software: None Submit Notes ------------ The config file option 'submit' was used. General Notes ------------- Environment variables set by runhpc before the start of the run: UCX_MEMTYPE_CACHE = "n" UCX_NET_DEVICES = "all" UCX_TLS = "self,sm,cuda_copy,tcp" Compiler Version Notes ---------------------- ============================================================================== CC 505.lbm_t(base) 513.soma_t(base) 518.tealeaf_t(base) 521.miniswp_t(base) 534.hpgmgfv_t(base) ------------------------------------------------------------------------------ nvc 25.11-0 linuxarm64 target on aarch64 Linux -tp neoverse-v2 NVIDIA Compilers and Tools Copyright (c) 2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== CXXC 532.sph_exa_t(base) ------------------------------------------------------------------------------ nvc++ 25.11-0 linuxarm64 target on aarch64 Linux -tp neoverse-v2 NVIDIA Compilers and Tools Copyright (c) 2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== FC 519.clvleaf_t(base) 528.pot3d_t(base) 535.weather_t(base) ------------------------------------------------------------------------------ nvfortran 25.11-0 linuxarm64 target on aarch64 Linux -tp neoverse-v2 NVIDIA Compilers and Tools Copyright (c) 2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved. ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: mpicc C++ benchmarks: mpicxx Fortran benchmarks: mpif90 Base Portability Flags ---------------------- 505.lbm_t: -DSPEC_OPENACC_NO_SELF 532.sph_exa_t: --c++17 Base Optimization Flags ----------------------- C benchmarks: -O4 -DSPEC_ACCEL_AWARE_MPI -acc=gpu -gpu=ccnative -Mfprelaxed -Mnouniform -tp=host C++ benchmarks: -O4 -DSPEC_ACCEL_AWARE_MPI -acc=gpu -gpu=ccnative -Mfprelaxed -Mnouniform -tp=host Fortran benchmarks: -DSPEC_ACCEL_AWARE_MPI -O4 -acc=gpu -gpu=ccnative -Mfprelaxed -Mnouniform -tp=host Base Other Flags ---------------- C benchmarks (except as noted below): -Ispecmpitime -w 521.miniswp_t: -Ispecmpitime/ -w 534.hpgmgfv_t: -Ispecmpitime -w C++ benchmarks: -Ispecmpitime -w Fortran benchmarks (except as noted below): -w 519.clvleaf_t: -Ispecmpitime -w Peak Optimization Flags ----------------------- C benchmarks: 505.lbm_t: basepeak = yes 513.soma_t: basepeak = yes 518.tealeaf_t: basepeak = yes 521.miniswp_t: basepeak = yes 534.hpgmgfv_t: basepeak = yes C++ benchmarks: 532.sph_exa_t: basepeak = yes Fortran benchmarks: 519.clvleaf_t: basepeak = yes 528.pot3d_t: basepeak = yes 535.weather_t: basepeak = yes The flags file that was used to format this result can be browsed at http://www.spec.org/hpc2021/flags/nv2021_flags_v1.0.3.2026-09-16.html You can also download the XML flags source by saving the following link: http://www.spec.org/hpc2021/flags/nv2021_flags_v1.0.3.2026-09-16.xml SPEChpc is a trademark 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 2021-2026 Standard Performance Evaluation Corporation Tested with SPEChpc2021 v1.1.10 on 2026-05-12 04:03:56-0400. Report generated on 2026-09-16 20:54:57 by hpc2021 ASCII formatter v112. Originally published on 2026-09-16.