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SKA SDC3
  • Overview
  • Challenges
    • Foregrounds
      • Scoring code
      • Teams
      • Leaderboard
      • Rules
      • Data
      • Test Data
    • Inference
      • Scoring code
      • Teams
      • Leaderboard
      • Rules
      • Data
      • Test data
  • HPC Partners
    • ASTRON/SURF
    • CESGA
    • ChinaSRC
    • GENCI-IDRIS
    • INAF
    • IRIS-CAM
    • IRIS-MAN
    • JPSRC
    • SPSRC
    • Swiss SRC
    • UC-LCA
  • Registration
    • Foregrounds
    • Inference
  • Reproducibility Badges
  • Forum
  • FAQs
  • More
    • Overview
    • Challenges
      • Foregrounds
        • Scoring code
        • Teams
        • Leaderboard
        • Rules
        • Data
        • Test Data
      • Inference
        • Scoring code
        • Teams
        • Leaderboard
        • Rules
        • Data
        • Test data
    • HPC Partners
      • ASTRON/SURF
      • CESGA
      • ChinaSRC
      • GENCI-IDRIS
      • INAF
      • IRIS-CAM
      • IRIS-MAN
      • JPSRC
      • SPSRC
      • Swiss SRC
      • UC-LCA
    • Registration
      • Foregrounds
      • Inference
    • Reproducibility Badges
    • Forum
    • FAQs

Science Data Challenge 3

Computational Resources

UC-LCA

ASTRON/SURF

IRIS-MAN

CESGA

JPSRC

ChinaSRC

SPSRC

GENCI-IDRIS

Swiss SRC

INAF

UC-LCA

IRIS-CAM

Summary

Resources per team

  • HPC Cluster Navigator. Full description at   https://www.uc.pt/lca/computing-resources/navigator-cluster/

Resource Access

  • Direct ssh to Navigator cluster after creating the respective account.

Resource management

  • Slurm is used as resource management.  New users have access to full documentation about the system and software environment in a internal Wiki page,

Software management

  • Users can install software, and have access to  system wide applications and tools installed via environment modules. 

Documentation

  • Full documentation about the system and software environment in a internal Wiki page is available to new users. Some information is provided in UC-LCA site.

Support

  • Support is available via ticketing system (helpdesk). Tickets response are limited to business days. Moderate knowledge of Linux and Job Schedulers is expected.

Resource location

  • Portugal

Technical specifications

Overview

Per user resource

  • Suitable flavors for UC-LCA-UC HPC depend on the Slurm partition used (For a fixed CPU time duration agreed with SDC3 hosts):

    • up to 1024 cores with 4GB/core;

    • up to 160 cores with 8GB/core

    • SMP system with 72 cores and 3TB memory.

    • disk up to 10TB

Software installed

  • Linux CentOS. Users can install software, and have access to  system wide applications and tools installed via environment modules. 

Volume of resource

  • A share disk space quota is assigned to each team.

GPUs if any

  • GPU partition provides access to Nvidia  V100  GPUs  with 16GB memory.

User access

Open the accounts

  • Open accounts by request (email to helpdesk.lca@uc.pt). 

Logging in

  • Use a ssh client to login to navigator https://www.uc.pt/lca/computing-resources/navigator-cluster/#general-information

Authentication  

  • Authentication is done by private/public key exchange. Users are encouraged to protect their private key with a passphrase. See  https://www.uc.pt/lca/cluster-access/#request-access

How to run a workflow

  •  Information in the internal Wiki page

Software management

  • Users can install software and have access to  system wide applications and tools installed via environment modules. 

Containerization

  • Users can use Singularity to run containers on the Navigator cluster.

Documentation

  • Full documentation about the system and software environment in a internal Wiki page is available to new users. Some information is provided in UC-LCA site.

Resource management


  • For Navigator Cluster, resource management is done via SLURM job scheduler. Each team will be assigned to an account with a predefined number of hours and disk quota.

  • Statistics of resource usage will appear on the login page and the sbank utility is available as well. 

Support

  • Support is available via a ticketing system (helpdesk.lca@uc.pt). Tickets response are limited to business days. Moderate knowledge of Linux and Job Schedulers is expected.

Credits and acknowledgements 

  • Teams making use of UC-LCA resources in their publication, they should Acknowledge it as follows :

    • The authors acknowledge the Laboratory for Advanced Computing at University of Coimbra for providing {HPC, computing, consulting} resources that have contributed to the research results reported within this paper or work. See  https://www.uc.pt/lca/about/


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