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NVIDIA Corporation Selene: NVIDIA DGX SuperPOD |
SPEChpc 2021_med_base = 44.7 |
|
SPEChpc 2021_med_peak = Not Run |
| hpc2021 License: | 019 | Test Date: | Sep-2022 |
|---|---|---|---|
| Test Sponsor: | NVIDIA Corporation | Hardware Availability: | Jul-2020 |
| Tested by: | NVIDIA Corporation | Software Availability: | Mar-2022 |
Benchmark result graphs are available in the PDF report.
Results Table
| Benchmark | Base | Peak | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model | Ranks | Thrds/Rnk | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | Model | Ranks | Thrds/Rnk | Seconds | Ratio | Seconds | Ratio | Seconds | Ratio | |
| SPEChpc 2021_med_base | 44.7 | |||||||||||||||||
| SPEChpc 2021_med_peak | Not Run | |||||||||||||||||
| Results appear in the order in which they were run. Bold underlined text indicates a median measurement. | ||||||||||||||||||
| 705.lbm_m | ACC | 1024 | 16 | 18.3 | 66.9 | 18.2 | 67.2 | 18.1 | 67.6 | |||||||||
| 718.tealeaf_m | ACC | 1024 | 16 | 35.3 | 38.3 | 35.8 | 37.7 | 35.5 | 38.0 | |||||||||
| 719.clvleaf_m | ACC | 1024 | 16 | 26.8 | 68.9 | 27.3 | 67.7 | 27.0 | 68.4 | |||||||||
| 728.pot3d_m | ACC | 1024 | 16 | 63.8 | 29.0 | 63.6 | 29.1 | 65.2 | 28.4 | |||||||||
| 734.hpgmgfv_m | ACC | 1024 | 16 | 66.3 | 15.1 | 66.6 | 15.0 | 66.3 | 15.1 | |||||||||
| 735.weather_m | ACC | 1024 | 16 | 23.0 | 104 | 23.8 | 101 | 22.7 | 106 | |||||||||
| Hardware Summary | |
|---|---|
| Type of System: | SMP |
| Compute Node: | DGX A100 |
| Interconnects: | Multi-rail InfiniBand HDR fabric DDN EXAScalar file system |
| Compute Nodes Used: | 64 |
| Total Chips: | 128 |
| Total Cores: | 8192 |
| Total Threads: | 16384 |
| Total Memory: | 128 TB |
| Software Summary | |
|---|---|
| Compiler: | C/C++/Fortran: Version 22.3 of NVIDIA HPC SDK for Linux |
| MPI Library: | OpenMPI Version 4.1.2rc4 |
| Other MPI Info: | HPC-X Software Toolkit Version 2.10 |
| Other Software: | None |
| Base Parallel Model: | ACC |
| Base Ranks Run: | 1024 |
| Base Threads Run: | 16 |
| Peak Parallel Models: | Not Run |
Node Description: DGX A100
| Hardware | |
|---|---|
| Number of nodes: | 64 |
| Uses of the node: | compute |
| Vendor: | NVIDIA Corporation |
| Model: | NVIDIA DGX A100 System |
| CPU Name: | AMD EPYC 7742 |
| CPU(s) orderable: | 2 chips |
| Chips enabled: | 2 |
| Cores enabled: | 128 |
| Cores per chip: | 64 |
| Threads per core: | 2 |
| CPU Characteristics: | Turbo Boost up to 3400 MHz |
| CPU MHz: | 2250 |
| Primary Cache: | 32 KB I + 32 KB D on chip per core |
| Secondary Cache: | 512 KB I+D on chip per core |
| L3 Cache: | 256 MB I+D on chip per chip (16 MB shared / 4 cores) |
| Other Cache: | None |
| Memory: | 2 TB (32 x 64 GB 2Rx8 PC4-3200AA-R) |
| Disk Subsystem: | OS: 2TB U.2 NVMe SSD drive Internal Storage: 30TB (8x 3.84TB U.2 NVMe SSD drives) |
| Other Hardware: | None |
| Accel Count: | 8 |
| Accel Model: | Tesla A100-SXM-80 GB |
| Accel Vendor: | NVIDIA Corporation |
| Accel Type: | GPU |
| Accel Connection: | NVLINK 3.0, NVSWITCH 2.0 600 GB/s |
| Accel ECC enabled: | Yes |
| Accel Description: | See Notes |
| Adapter: | NVIDIA ConnectX-6 MT28908 |
| Number of Adapters: | 8 |
| Slot Type: | PCIe Gen4 |
| Data Rate: | 200 Gb/s |
| Ports Used: | 1 |
| Interconnect Type: | InfiniBand / Communication |
| Adapter: | NVIDIA ConnectX-6 MT28908 |
| Number of Adapters: | 2 |
| Slot Type: | PCIe Gen4 |
| Data Rate: | 200 Gb/s |
| Ports Used: | 2 |
| Interconnect Type: | InfiniBand / FileSystem |
| Software | |
|---|---|
| Accelerator Driver: | NVIDIA UNIX x86_64 Kernel Module 470.103.01 |
| Adapter: | NVIDIA ConnectX-6 MT28908 |
| Adapter Driver: | InfiniBand: 5.4-3.4.0.0 |
| Adapter Firmware: | InfiniBand: 20.32.1010 |
| Adapter: | NVIDIA ConnectX-6 MT28908 |
| Adapter Driver: | Ethernet: 5.4-3.4.0.0 |
| Adapter Firmware: | Ethernet: 20.32.1010 |
| Operating System: | Ubuntu 20.04 5.4.0-121-generic |
| Local File System: | ext4 |
| Shared File System: | Lustre |
| System State: | Multi-user, run level 3 |
| Other Software: | None |
Interconnect Description: Multi-rail InfiniBand HDR fabric
| Hardware | |
|---|---|
| Vendor: | NVIDIA |
| Model: | N/A |
| Switch Model: | NVIDIA Quantum QM8700 |
| Number of Switches: | 164 |
| Number of Ports: | 40 |
| Data Rate: | 200 GB/s per port |
| Firmware: | MLNX-OS v3.10.2202 |
| Topology: | Full three-level fat-tree |
| Primary Use: | Inter-process communication |
| Software |
|---|
Interconnect Description: DDN EXAScalar file system
| Hardware | |
|---|---|
| Vendor: | NVIDIA |
| Model: | N/A |
| Switch Model: | NVIDIA Quantum QM8700 |
| Number of Switches: | 26 |
| Number of Ports: | 40 |
| Data Rate: | 200 GB/s per port |
| Firmware: | MLNX-OS v3.10.2202 |
| Topology: | Full three-level fat-tree |
| Primary Use: | Global storage |
| Software |
|---|
Compiler Invocation Notes
Binaries built and run within a NVHPC SDK 22.3 CUDA 11.0 Ubuntu 20.04 Container available from NVIDIA GPU Cloud (NGC): https://ngc.nvidia.com/catalog/containers/nvidia:nvhpc https://catalog.ngc.nvidia.com/orgs/nvidia/containers/nvhpc/tags
Submit Notes
The config file option 'submit' was used.
MPI startup command:
srun command was used to start MPI jobs.
Individual Ranks were bound to the NUMA nodes, GPUs and NICs using this "wrapper.GPU" bash-script for the case of 1 rank per GPU
ln -s -f libnuma.so.1 /usr/lib/x86_64-linux-gnu/libnuma.so
export LD_LIBRARY_PATH+=:/usr/lib/x86_64-linux-gnu
export LD_RUN_PATH+=:/usr/lib/x86_64-linux-gnu
declare -a NUMA_LIST
declare -a GPU_LIST
declare -a NIC_LIST
NUMA_LIST=($NUMAS)
GPU_LIST=($GPUS)
NIC_LIST=($NICS)
export UCX_NET_DEVICES=${NIC_LIST[$SLURM_LOCALID]}:1
export OMPI_MCA_btl_openib_if_include=${NIC_LIST[$SLURM_LOCALID]}
export CUDA_VISIBLE_DEVICES=${GPU_LIST[$SLURM_LOCALID]}
numactl -l -N ${NUMA_LIST[$SLURM_LOCALID]} $*
and this "wrapper.MPS" bash-script for the oversubscribed case.
ln -s -f libnuma.so.1 /usr/lib/x86_64-linux-gnu/libnuma.so
export LD_LIBRARY_PATH+=:/usr/lib/x86_64-linux-gnu
export LD_RUN_PATH+=:/usr/lib/x86_64-linux-gnu
declare -a NUMA_LIST
declare -a GPU_LIST
declare -a NIC_LIST
NUMA_LIST=($NUMAS)
GPU_LIST=($GPUS)
NIC_LIST=($NICS)
NUM_GPUS=${#GPU_LIST[@]}
RANKS_PER_GPU=$((SLURM_NTASKS_PER_NODE / NUM_GPUS))
GPU_LOCAL_RANK=$((SLURM_LOCALID / RANKS_PER_GPU))
export UCX_NET_DEVICES=${NIC_LIST[$GPU_LOCAL_RANK]}:1
export OMPI_MCA_btl_openib_if_include=${NIC_LIST[$GPU_LOCAL_RANK]}
set +e
nvidia-cuda-mps-control -d 1>&2
set -e
export CUDA_VISIBLE_DEVICES=${GPU_LIST[$GPU_LOCAL_RANK]}
numactl -l -N ${NUMA_LIST[$GPU_LOCAL_RANK]} $*
if [ $SLURM_LOCALID -eq 0 ]
then
echo 'quit' | nvidia-cuda-mps-control 1>&2
fi
General Notes
Full system details documented here: https://images.nvidia.com/aem-dam/Solutions/Data-Center/gated-resources/nvidia-dgx-superpod-a100.pdf Environment variables set by runhpc before the start of the run: SPEC_NO_RUNDIR_DEL = "on"
Platform Notes
Detailed A100 Information from nvaccelinfo CUDA Driver Version: 11040 NVRM version: NVIDIA UNIX x86_64 Kernel Module 470.7.01 Device Number: 0 Device Name: NVIDIA A100-SXM-80 GB Device Revision Number: 8.0 Global Memory Size: 85198045184 Number of Multiprocessors: 108 Concurrent Copy and Execution: Yes Total Constant Memory: 65536 Total Shared Memory per Block: 49152 Registers per Block: 65536 Warp Size: 32 Maximum Threads per Block: 1024 Maximum Block Dimensions: 1024, 1024, 64 Maximum Grid Dimensions: 2147483647 x 65535 x 65535 Maximum Memory Pitch: 2147483647B Texture Alignment: 512B Clock Rate: 1410 MHz Execution Timeout: No Integrated Device: No Can Map Host Memory: Yes Compute Mode: default Concurrent Kernels: Yes ECC Enabled: Yes Memory Clock Rate: 1593 MHz Memory Bus Width: 5120 bits L2 Cache Size: 41943040 bytes Max Threads Per SMP: 2048 Async Engines: 3 Unified Addressing: Yes Managed Memory: Yes Concurrent Managed Memory: Yes Preemption Supported: Yes Cooperative Launch: Yes Multi-Device: Yes Default Target: cc80
Compiler Version Notes
============================================================================== CC 705.lbm_m(base) 718.tealeaf_m(base) 734.hpgmgfv_m(base) ------------------------------------------------------------------------------ nvc 22.3-0 64-bit target on x86-64 Linux -tp zen2-64 NVIDIA Compilers and Tools Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== FC 719.clvleaf_m(base) 728.pot3d_m(base) 735.weather_m(base) ------------------------------------------------------------------------------ nvfortran 22.3-0 64-bit target on x86-64 Linux -tp zen2-64 NVIDIA Compilers and Tools Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. ------------------------------------------------------------------------------
Base Portability Flags
| 705.lbm_m: | -DSPEC_OPENACC_NO_SELF |
Base Optimization Flags
C benchmarks:
| -fast -DSPEC_ACCEL_AWARE_MPI -acc=gpu -gpu=cuda11.0 -gpu=cc80 -Mstack_arrays -Mfprelaxed -Mnouniform -tp=zen2 |
Fortran benchmarks:
| -DSPEC_ACCEL_AWARE_MPI -fast -acc=gpu -gpu=cuda11.0 -gpu=cc80 -Mstack_arrays -Mfprelaxed -Mnouniform -tp=zen2 |
Base Other Flags
C benchmarks (except as noted below):
| -Ispecmpitime -w | |
| 734.hpgmgfv_m: | -Ispecmpitime -w |
Fortran benchmarks (except as noted below):
| -w | |
| 719.clvleaf_m: | -Ispecmpitime -w |