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Amit Tiwari

PROFILE

Amit Tiwari

Worked on compiler and parallel computing infrastructure, focusing on test coverage and reliability for ROCm/aomp and intel/llvm repositories. Developed device-code smoke tests for MPI_Reduce and MPI_Allreduce using C++ and Makefiles, improving validation workflows and code maintainability through repository-wide clang-format enforcement. Addressed OpenMP offloading stability by fixing non-contiguous array updates in intel/llvm, ensuring correct host-device data transfers and adding regression tests for strided patterns. Enhanced ROCm/aomp by implementing smoke tests for OpenMP offloading edge cases, verifying default device reporting and preventing crashes. Leveraged C, C++, Fortran, OpenMP, and MPI to strengthen CI coverage and parallel programming robustness.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

5Total
Bugs
2
Commits
5
Features
2
Lines of code
926
Activity Months3

Work History

December 2025

1 Commits

Dec 1, 2025

OpenMP Offloading stability improvements for ROCm/aomp in 2025-12: Implemented a smoke test to verify default device reporting when offloading is disabled, ensuring the reported initial device and no crashes from invalid device numbers. This work enhances reliability in edge configurations and strengthens CI coverage for OpenMP offloading.

August 2025

1 Commits

Aug 1, 2025

August 2025 monthly summary for intel/llvm focused on OpenMP offloading reliability and data movement correctness. Deliverables centered on fixing non-contiguous (strided) array updates in OpenMP target directives, ensuring accurate host–device data transfers and strengthening test coverage.

April 2025

3 Commits • 2 Features

Apr 1, 2025

April 2025 (Month: 2025-04) - Delivered important test infrastructure and code quality improvements for ROCm/aomp. Key actions included adding device-code smoke tests for MPI_Reduce and MPI_Allreduce (EmissaryMPI), with test scaffolding (Makefiles, README, and C++ sources), and applying clang-format across the repository, including mpi-reduce tests. No major bugs fixed this period; focus was on reducing regression risk and improving maintainability. Impact: enhanced test coverage for device MPI operations, faster validation workflows, and a cleaner, more consistent codebase. Technologies/skills: EmissaryMPI device tests, C++ test infrastructure, Makefiles, README documentation, clang-format, repository hygiene, and CI-readiness.

Activity

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Quality Metrics

Correctness100.0%
Maintainability92.0%
Architecture92.0%
Performance92.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

CC++FortranMakefileShell

Technical Skills

CC++C++ DevelopmentCode FormattingCompiler DevelopmentFortranMPIOpenMPParallel ComputingTestingparallel programmingtesting

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

ROCm/aomp

Apr 2025 Dec 2025
2 Months active

Languages Used

CC++MakefileFortranShell

Technical Skills

C++C++ DevelopmentCode FormattingMPIOpenMPTesting

intel/llvm

Aug 2025 Aug 2025
1 Month active

Languages Used

CC++

Technical Skills

CC++Compiler DevelopmentOpenMPParallel Computing