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May 5-8, 2025
Chicago, IL
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From Complexity to Efficiency: SPACK’s Impact on NSM Supercomputers - Samir Shaikh & Harsha Ugave, Centre for Developement of Advanced Computing (C-DAC)
Thursday May 8, 2025 1:35pm - 1:55pm CDT
Salon D
The National Supercomputing Mission (NSM) advances India’s research by providing HPC infrastructure across institutions. However, managing software on diverse HPC systems is challenging due to hardware variations, dependencies, and version control.

Spack, a flexible package manager, addresses these issues by enabling seamless software deployment and dependency management across clusters. This study examines Spack’s implementation on 17 NSM HPC systems, improving software availability and consistency.

Spack simplifies this through customized installations, automated dependency handling, and reproducible builds, ensuring compatibility.

Implementation involved a centralized repository, automated builds, user training, software optimization, and continuous refinement. This improved research productivity, reduced support overhead, and standardized environments.

Key benefits include reproducibility, faster issue resolution, and better collaboration. Future plans involve expanding Spack repositories, integrating containers, automating updates, and training. This presentation covers our implementation, challenges, and best practices.
Speakers
avatar for Harsha Ugave

Harsha Ugave

HPC Project Engineer, Centre for Development of Advanced Computing
Harsha Ugave is an HPC Engineer at C-DAC Pune, specializing in performance portability, parallel computing, and system optimization. She plays a key role in deploying and tuning HPC applications under the National Supercomputing Mission (NSM). Her work ensures efficient execution... Read More →
avatar for Samir Shaikh

Samir Shaikh

Scientist, Centre for Developement of Advanced Computing (C-DAC)
Samir Shaikh is an HPC specialist at C-DAC, Pune, optimizing large-scale workloads, parallel computing, and system architecture. As a Scientist C, he enhances HPC performance for AI/ML, scientific computing, and NSM supercomputers. An IIT Guwahati M.Tech graduate, he has contributed... Read More →
Thursday May 8, 2025 1:35pm - 1:55pm CDT
Salon D
  Spack User Meeting, Site Deployment Stories

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