SPEChpc(TM) 2021 Small 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 -------------- ------ ------ ------ --------- --------- ------ ------ ------ --------- --------- 605.lbm_s ACC 4 1 204 7.60 S ACC 4 1 204 7.60 S 605.lbm_s ACC 4 1 198 7.82 * ACC 4 1 198 7.82 * 605.lbm_s ACC 4 1 198 7.84 S ACC 4 1 198 7.84 S 613.soma_s ACC 4 1 77.3 20.7 S ACC 4 1 77.3 20.7 S 613.soma_s ACC 4 1 77.3 20.7 S ACC 4 1 77.3 20.7 S 613.soma_s ACC 4 1 77.3 20.7 * ACC 4 1 77.3 20.7 * 618.tealeaf_s ACC 4 1 146 14.0 S ACC 4 1 146 14.0 S 618.tealeaf_s ACC 4 1 146 14.0 * ACC 4 1 146 14.0 * 618.tealeaf_s ACC 4 1 146 14.0 S ACC 4 1 146 14.0 S 619.clvleaf_s ACC 4 1 136 12.1 S ACC 4 1 136 12.1 S 619.clvleaf_s ACC 4 1 136 12.1 S ACC 4 1 136 12.1 S 619.clvleaf_s ACC 4 1 136 12.1 * ACC 4 1 136 12.1 * 621.miniswp_s ACC 4 1 60.6 18.2 S ACC 4 1 60.6 18.2 S 621.miniswp_s ACC 4 1 60.6 18.1 * ACC 4 1 60.6 18.1 * 621.miniswp_s ACC 4 1 60.6 18.1 S ACC 4 1 60.6 18.1 S 628.pot3d_s ACC 4 1 103 16.2 * ACC 4 1 103 16.2 * 628.pot3d_s ACC 4 1 104 16.2 S ACC 4 1 104 16.2 S 628.pot3d_s ACC 4 1 103 16.2 S ACC 4 1 103 16.2 S 632.sph_exa_s ACC 4 1 417 5.52 * ACC 4 1 417 5.52 * 632.sph_exa_s ACC 4 1 419 5.49 S ACC 4 1 419 5.49 S 632.sph_exa_s ACC 4 1 414 5.55 S ACC 4 1 414 5.55 S 634.hpgmgfv_s ACC 4 1 197 4.94 S ACC 4 1 197 4.94 S 634.hpgmgfv_s ACC 4 1 197 4.96 S ACC 4 1 197 4.96 S 634.hpgmgfv_s ACC 4 1 197 4.94 * ACC 4 1 197 4.94 * 635.weather_s ACC 4 1 101 25.6 * ACC 4 1 101 25.6 * 635.weather_s ACC 4 1 101 25.7 S ACC 4 1 101 25.7 S 635.weather_s ACC 4 1 101 25.6 S ACC 4 1 101 25.6 S ============================================================================================================ 605.lbm_s ACC 4 1 198 7.82 * ACC 4 1 198 7.82 * 613.soma_s ACC 4 1 77.3 20.7 * ACC 4 1 77.3 20.7 * 618.tealeaf_s ACC 4 1 146 14.0 * ACC 4 1 146 14.0 * 619.clvleaf_s ACC 4 1 136 12.1 * ACC 4 1 136 12.1 * 621.miniswp_s ACC 4 1 60.6 18.1 * ACC 4 1 60.6 18.1 * 628.pot3d_s ACC 4 1 103 16.2 * ACC 4 1 103 16.2 * 632.sph_exa_s ACC 4 1 417 5.52 * ACC 4 1 417 5.52 * 634.hpgmgfv_s ACC 4 1 197 4.94 * ACC 4 1 197 4.94 * 635.weather_s ACC 4 1 101 25.6 * ACC 4 1 101 25.6 * SPEChpc 2021_sml_base 12.1 SPEChpc 2021_sml_peak 12.1 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: 1 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: 1 Peak Parallel Models: ACC Minimum Peak Ranks: 4 Maximum Peak Ranks: 4 Max. Peak Threads: 1 Min. Peak Threads: 1 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 605.lbm_s(base) 613.soma_s(base) 618.tealeaf_s(base) 621.miniswp_s(base) 634.hpgmgfv_s(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 632.sph_exa_s(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 619.clvleaf_s(base) 628.pot3d_s(base) 635.weather_s(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 ---------------------- 605.lbm_s: -DSPEC_OPENACC_NO_SELF 632.sph_exa_s: --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: -Ispecmpitime -w C++ benchmarks: -Ispecmpitime -w Fortran benchmarks (except as noted below): -w 619.clvleaf_s: -Ispecmpitime -w Peak Optimization Flags ----------------------- C benchmarks: 605.lbm_s: basepeak = yes 613.soma_s: basepeak = yes 618.tealeaf_s: basepeak = yes 621.miniswp_s: basepeak = yes 634.hpgmgfv_s: basepeak = yes C++ benchmarks: 632.sph_exa_s: basepeak = yes Fortran benchmarks: 619.clvleaf_s: basepeak = yes 628.pot3d_s: basepeak = yes 635.weather_s: 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 2026-05-11 22:36:58-0400. Report generated on 2026-09-16 20:54:59 by hpc2021 ASCII formatter v112. Originally published on 2026-09-16.