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News
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Docs
Contact Us
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Documentation

  • Requesting An Account
  • Get Started
    • Quick Start
    • Common Terms
    • HPC Resources
    • Theory of HPC
      • Overview of threads, cores, and sockets in Slurm for HPC workflows
    • Git Guide
  • Connecting to Unity
    • SSH
    • Unity OnDemand
    • Connecting to Desktop VS Code
  • Get Help
    • Frequently Asked Questions
    • How to Ask for Help
    • Troubleshooting
  • Cluster Specifications
    • Node List
    • Partition List
      • Gypsum
    • Storage
    • Node Features (Constraints)
      • NVLink and NVSwitch
    • GPU Summary List
  • Managing Files
    • Command Line Interface (CLI)
    • Disk Quotas
    • FileZilla
    • Globus
    • Scratch: HPC Workspace
    • Unity OnDemand File Browser
  • Submitting Jobs
    • Batch Jobs
      • Array Batch Jobs
      • Large Job Counts
      • Monitor a batch job
    • Helper Scripts
    • Interactive CLI Jobs
    • Unity OnDemand
    • Message Passing Interface (MPI)
    • Slurm cheat sheet
  • Software Management
    • Building Software from Scratch
    • Conda
    • Modules
      • Module Usage
    • Renv
    • Unity OnDemand
      • JupyterLab OnDemand
    • Venv
  • Tools & Software
    • ColabFold
    • R
      • R Parallelization
    • Unity GPUs
  • Datasets
    • AI and ML
      • AlpacaFarm
      • audioset
      • bigcode
      • biomed_clip
      • blip_2
      • blip_2
      • coco
      • Code Llama
      • DeepAccident
      • DeepSeek
      • DINO v2
      • epic-kitchens
      • florence
      • gemma
      • glm
      • gpt
      • gte-Qwen2
      • ibm-granite
      • Idefics2
      • Imagenet 1K
      • inaturalist
      • infly
      • instruct-blip
      • internLM
      • intfloat
      • LAION
      • lg
      • linq
      • llama
      • Llama2
      • llama3
      • llama4
      • Llava_OneVision
      • Lumina
      • mixtral
      • msmarco
      • natural-questions
      • objaverse
      • openai-whisper
      • phi
      • playgroundai
      • pythia
      • qwen
      • R1-1776
      • rag-sequence-nq
      • red-pajama-v2
      • s1-32B
      • satlas_pretrain
      • scalabilityai
      • sft
      • SlimPajama
      • t5
      • Tulu
      • V2X
      • video-MAE
      • videoMAE-v2
      • vit
      • wildchat
    • Bioinformatics
      • AlphaFold3 Databases
      • BFD/MGnify
      • Big Fantastic Database
      • checkm
      • ColabFoldDB
      • dfam
      • EggNOG
      • EggNOG
      • gmap
      • GMAP-GSNAP database (human genome)
      • GTDB
      • igenomes
      • Kraken2
      • MGnify
      • NCBI BLAST databases
      • NCBI RefSeq database
      • NCBI RefSeq database
      • Parameters of Evolutionary Scale Modeling (ESM) models
      • params
      • PDB70
      • PDB70 for ColabFold
      • PINDER
      • PLINDER
      • Protein Data Bank
      • Protein Data Bank database in mmCIF format
      • Protein Data Bank database in SEQRES records
      • Tara Oceans 18S amplicon
      • Tara Oceans MATOU gene catalog
      • Tara Oceans MGT transcriptomes
      • Uniclust30
      • UniProtKB
      • UniRef100
      • UniRef30
      • UniRef90
      • Updated databases for ColabFold
    • Using HuggingFace Datasets

Documentation

  • Requesting An Account
  • Get Started
    • Quick Start
    • Common Terms
    • HPC Resources
    • Theory of HPC
      • Overview of threads, cores, and sockets in Slurm for HPC workflows
    • Git Guide
  • Connecting to Unity
    • SSH
    • Unity OnDemand
    • Connecting to Desktop VS Code
  • Get Help
    • Frequently Asked Questions
    • How to Ask for Help
    • Troubleshooting
  • Cluster Specifications
    • Node List
    • Partition List
      • Gypsum
    • Storage
    • Node Features (Constraints)
      • NVLink and NVSwitch
    • GPU Summary List
  • Managing Files
    • Command Line Interface (CLI)
    • Disk Quotas
    • FileZilla
    • Globus
    • Scratch: HPC Workspace
    • Unity OnDemand File Browser
  • Submitting Jobs
    • Batch Jobs
      • Array Batch Jobs
      • Large Job Counts
      • Monitor a batch job
    • Helper Scripts
    • Interactive CLI Jobs
    • Unity OnDemand
    • Message Passing Interface (MPI)
    • Slurm cheat sheet
  • Software Management
    • Building Software from Scratch
    • Conda
    • Modules
      • Module Usage
    • Renv
    • Unity OnDemand
      • JupyterLab OnDemand
    • Venv
  • Tools & Software
    • ColabFold
    • R
      • R Parallelization
    • Unity GPUs
  • Datasets
    • AI and ML
      • AlpacaFarm
      • audioset
      • bigcode
      • biomed_clip
      • blip_2
      • blip_2
      • coco
      • Code Llama
      • DeepAccident
      • DeepSeek
      • DINO v2
      • epic-kitchens
      • florence
      • gemma
      • glm
      • gpt
      • gte-Qwen2
      • ibm-granite
      • Idefics2
      • Imagenet 1K
      • inaturalist
      • infly
      • instruct-blip
      • internLM
      • intfloat
      • LAION
      • lg
      • linq
      • llama
      • Llama2
      • llama3
      • llama4
      • Llava_OneVision
      • Lumina
      • mixtral
      • msmarco
      • natural-questions
      • objaverse
      • openai-whisper
      • phi
      • playgroundai
      • pythia
      • qwen
      • R1-1776
      • rag-sequence-nq
      • red-pajama-v2
      • s1-32B
      • satlas_pretrain
      • scalabilityai
      • sft
      • SlimPajama
      • t5
      • Tulu
      • V2X
      • video-MAE
      • videoMAE-v2
      • vit
      • wildchat
    • Bioinformatics
      • AlphaFold3 Databases
      • BFD/MGnify
      • Big Fantastic Database
      • checkm
      • ColabFoldDB
      • dfam
      • EggNOG
      • EggNOG
      • gmap
      • GMAP-GSNAP database (human genome)
      • GTDB
      • igenomes
      • Kraken2
      • MGnify
      • NCBI BLAST databases
      • NCBI RefSeq database
      • NCBI RefSeq database
      • Parameters of Evolutionary Scale Modeling (ESM) models
      • params
      • PDB70
      • PDB70 for ColabFold
      • PINDER
      • PLINDER
      • Protein Data Bank
      • Protein Data Bank database in mmCIF format
      • Protein Data Bank database in SEQRES records
      • Tara Oceans 18S amplicon
      • Tara Oceans MATOU gene catalog
      • Tara Oceans MGT transcriptomes
      • Uniclust30
      • UniProtKB
      • UniRef100
      • UniRef30
      • UniRef90
      • Updated databases for ColabFold
    • Using HuggingFace Datasets
  1. Unity
  2. Documentation
  3. Cluster Specifications
  4. Node Features (Constraints)

Node Features (Constraints)

You can request nodes with the following features using the --constraint flag in Slurm. For information on using Slurm features, see the Slurm sbatch constraint documentation.

lightbulb
Also see the unity-slurm-list-constraints and unity-slurm-find-nodes helper scripts.

CPU Architecture

    aarch64
    Has the AArch / ARM64 architecture in the ARM architecture family
    arm64
    Has the AArch / ARM64 architecture in the ARM architecture family
    power9le
    Has the ppc64le architecture
    ppc64le
    Has the ppc64le architecture
    x86_64
    Has the x86-64 architecture

CPU Microarchitecture

    cascadelake
    Has the Intel Cascade Lake microarchitecture
    gracehopper
    NVIDIA Grace Hopper Superchip
    haswell
    Has the Intel Haswell microarchitecture
    icelake
    Has the Intel Ice Lake microarchitecture
    p922
    p923
    sapphirerapids
    Has the Intel Sapphire Rapids microarchitecture
    skylake_avx512
    Has the Intel Sky Lake microarchitecture
    x86_64_v3
    Has the x86-64 V3 architecture
    x86_64_v4
    Has the x86-64 V4 architecture
    zen
    Has the AMD Zen microarchitecture
    zen2
    Has the AMD Zen 2 microarchitecture
    zen3
    Has the AMD Zen 3 microarchitecture

CPU Model

    amd
    Has CPUs manufactured by AMD
    amd1900x
    Features the AMD Ryzen Threadripper 1900x CPUs
    amd7402
    Features the AMD EPYC 7402 CPUs
    amd7502
    Features the AMD EPYC 7502 CPUs
    amd7543
    Features the AMD EPYC 7543 CPUs
    amd7702
    Features the AMD EPYC 7702 CPUs
    amd7763
    Features the AMD EPYC 7763 CPUs
    amd9654
    Features the AMD EPYC 9654 CPUs
    armn1
    Features the Arm Neoverse N1 CPUs
    intel
    Has CPUs manufactured by Intel Corporation
    intel2620v3
    Features the Intel Xeon E5-2620 V3 CPUs
    intel4110
    Features the Intel Xeon Silver 4110 CPUs
    intel4116
    Features the Intel Xeon Silver 4116 CPUs
    intel4214r
    Features the Intel Xeon Silver 4214R CPUs
    intel4215r
    Features the Intel Xeon Silver 4215R CPUs
    intel5118
    Features the Intel Xeon Gold 5118 CPUs
    intel5218
    Features the Intel Xeon Gold 5218 CPUs
    intel6126
    Features the Intel Xeon Gold 6126 CPUs
    intel6130
    Features the Intel Xeon Gold 6130 CPUs
    intel6140
    Features the Intel Xeon Gold 6140 CPUs
    intel6148
    Features the Intel Xeon Gold 6148 CPUs
    intel6240
    Features the Intel Xeon Gold 6240 CPUs
    intel6226r
    Features the Intel Xeon Gold 6226R CPUs
    intel6238r
    Features the Intel Xeon Gold 6238R CPUs
    intel6248r
    Features the Intel Xeon Gold 6248R CPUs
    intel6326
    Features the Intel Xeon Gold 6326 CPUs
    intel6526y
    Features the Intel Xeon Gold 6526Y CPUs
    intel8352y
    Features the Intel Xeon Platinum 8352Y CPUs
    intel8358
    Features the Intel Xeon Platinum 8352Y CPUs
    intel8480
    Features the Intel Xeon Platinum 8480+ CPUs

GPU Capability

    sm_52
    Contains GPUs with the 5.2 compute capability
    sm_61
    Contains GPUs with the 6.1 compute capability
    sm_70
    Contains GPUs with the 7.0 compute capability
    sm_75
    Contains GPUs with the 7.5 compute capability
    sm_80
    Contains GPUs with the 8.0 compute capability
    sm_86
    Contains GPUs with the 8.6 compute capability
    sm_87
    Contains GPUs with the 8.7 compute capability
    sm_89
    Contains GPUs with the 8.9 compute capability
    sm_90
    Contains GPUs with the 9.0 compute capability

GPU Feature

    fp64
    Contains GPUs with 64-bit precision cores
    bf16
    Contains GPUs with bfloat16 floating-point support

GPU Model

    1080ti
    Contains Nvidia GeForce 1080 Ti GPUs
    2080
    Contains Nvidia GeForce RTX 2080 GPUs
    2080ti
    Contains Nvidia GeForce RTX 2080 Ti GPUs
    a16
    Contains Nvidia A16 GPUs
    a40
    Contains Nvidia A40 GPUs
    a100
    Contains Nvidia A100 GPUs with either 40 GB or 80 GB of VRAM
    a100-40g
    Contains Nvidia A100 GPUs with 40 GB of VRAM
    a100-80g
    Contains Nvidia A100 GPUs with 80 GB of VRAM
    l4
    Contains Nvidia L4 GPUs
    l40s
    Contains Nvidia L40S GPUs
    m40
    Contains Nvidia Tesla M40 GPUs
    rtx8000
    Contains Nvidia Quadro RTX 8000 GPUs
    titanx
    Contains Nvidia TitanX GPUs
    v100
    Contains Nvidia V100 GPUs

GPU VRAM

    vram102
    Contains a GPU with at least 102 GB VRAM
    vram11
    Contains a GPU with at least 11 GB VRAM
    vram12
    Contains a GPU with at least 12 GB VRAM
    vram16
    Contains a GPU with at least 16 GB VRAM
    vram23
    Contains a GPU with at least 23 GB VRAM
    vram32
    Contains a GPU with at least 32 GB VRAM
    vram40
    Contains a GPU with at least 40 GB VRAM
    vram48
    Contains a GPU with at least 48 GB VRAM
    vram8
    Contains a GPU with at least 8 GB VRAM
    vram80
    Contains a GPU with at least 80 GB VRAM

Job Support

    altivec
    Provides the AltiVec SIMD instruction set
    avx512
    Provides the AVX-512 SIMD instruction set
    ib
    Features InfiniBand networking
    mpi
    Ensure consistent CPU type across multi-node jobs

Network Speed

    10gbps
    Has 10 Gbps Ethernet
    25gbps
    Has 25 Gbps Ethernet
    40gbps
    Has 40 Gbps Ethernet
    100gbps
    Has 100 Gbps Ethernet

Articles in Node Features (Constraints)

work
NVLink and NVSwitch
Explains NVLink and NVSwitch
Last modified: Friday, March 14, 2025 at 2:20 PM. See the commit on GitLab.
University of Massachusetts Amherst University of Massachusetts Amherst University of Rhode Island University of Rhode Island University of Massachusetts Dartmouth University of Massachusetts Dartmouth University of Massachusetts Lowell University of Massachusetts Lowell University of Massachusetts Boston University of Massachusetts Boston Mount Holyoke College Mount Holyoke College Smith College Smith College
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