AMReX-FHD/FHDeX
Oct 2024 – Aug 2025
4 Months active
Languages Used
BashC++MakefileShell
Technical Skills
AMReXBuild ScriptingBuild SystemsC++CFDConfiguration
Ishan Srivastava
PROFILE
Ishan Srivastava
Ishan contributed to the AMReX-FHD/FHDeX repository by developing advanced analytics and diagnostics for high-performance fluid dynamics simulations. He integrated AMReX FFT support and streamlined build systems using C++ and Makefile, enabling scalable spectral analysis on HPC platforms like Perlmutter. Ishan implemented new executables for turbulence statistics, enhanced data visualization, and introduced third-moment analytics for compressible flows, updating data structures and checkpointing routines to support these features. He also improved reliability by validating plotting dependencies and simplifying backend configurations. His work demonstrated depth in scientific computing, parallel processing, and build system configuration, resulting in more maintainable and robust simulation workflows.
Overall Statistics
Feature vs Bugs
83%Features
Repository Contributions
9Total
Bugs
1
Commits
9
Features
5
Lines of code
5,839
Activity Months4
Work History
August 2025
1 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — FHDeX monthly summary. This month focused on delivering advanced physics capabilities for compressible staggered fluid dynamics in the FHDeX module within AMReX-FHD, with an emphasis on third moment analytics and end-to-end data handling.
1 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — FHDeX monthly summary. This month focused on delivering advanced physics capabilities for compressible staggered fluid dynamics in the FHDeX module within AMReX-FHD, with an emphasis on third moment analytics and end-to-end data handling.
August 2025
June 2025
1 Commits
Jun 1, 2025June 2025 (AMReX-FHD/FHDeX): Consolidated reliability improvements in the plotting pipeline by implementing Plotting Dependency Validation. This bug fix ensures plot_means is computed before enabling plot_vars or plot_covars, preventing runtime errors and safeguarding data integrity. Commit dc0118862414b891538a9f3b5baaae659ea7185a: 'plot_vars and plot_covars requires plot_means'. Impact: reduces plotting-time failures, improves correctness of visualizations, and supports downstream analyses and reporting. Technologies/skills demonstrated: debugging dependency gating, plotting logic validation, and strong version-control discipline within FHDeX.*
June 2025
1 Commits
Jun 1, 2025June 2025 (AMReX-FHD/FHDeX): Consolidated reliability improvements in the plotting pipeline by implementing Plotting Dependency Validation. This bug fix ensures plot_means is computed before enabling plot_vars or plot_covars, preventing runtime errors and safeguarding data integrity. Commit dc0118862414b891538a9f3b5baaae659ea7185a: 'plot_vars and plot_covars requires plot_means'. Impact: reduces plotting-time failures, improves correctness of visualizations, and supports downstream analyses and reporting. Technologies/skills demonstrated: debugging dependency gating, plotting logic validation, and strong version-control discipline within FHDeX.*
January 2025
1 Commits • 1 Features
Jan 1, 2025Concise monthly summary for 2025-01 focusing on business value and technical achievements for FHDeX. Highlight key features delivered, major bug fixes, impact, and technologies demonstrated for performance reviews.
1 Commits • 1 Features
Jan 1, 2025Concise monthly summary for 2025-01 focusing on business value and technical achievements for FHDeX. Highlight key features delivered, major bug fixes, impact, and technologies demonstrated for performance reviews.
January 2025
October 2024
6 Commits • 3 Features
Oct 1, 2024Monthly performance summary for 2024-10: Delivered HPC-ready analytics enhancements for FHDeX. Key features include AMReX FFT integration with Perlmutter HPC build support, a PDFs executable for flow quantity distributions, and enhanced turbulence diagnostics and visualization. Major bug fixes addressed FFT integration issues and corrected spectral filter calculations. Impact: improved portability and scalability on large HPC systems; enabled advanced turbulence statistics and data-driven insights; strengthened data visualization capabilities and overall reliability for turbulence research.
October 2024
6 Commits • 3 Features
Oct 1, 2024Monthly performance summary for 2024-10: Delivered HPC-ready analytics enhancements for FHDeX. Key features include AMReX FFT integration with Perlmutter HPC build support, a PDFs executable for flow quantity distributions, and enhanced turbulence diagnostics and visualization. Major bug fixes addressed FFT integration issues and corrected spectral filter calculations. Impact: improved portability and scalability on large HPC systems; enabled advanced turbulence statistics and data-driven insights; strengthened data visualization capabilities and overall reliability for turbulence research.
Activity
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Quality Metrics
Correctness85.6%
Maintainability84.4%
Architecture82.2%
Performance77.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashC++MakefileShell
Technical Skills
AMReXBuild ScriptingBuild System ConfigurationBuild SystemsC++C++ DevelopmentCFDConfigurationData VisualizationFFTFluid Dynamics SimulationHigh-Performance ComputingMakefileNumerical MethodsParallel Computing
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