google/heir
May 2025 – Mar 2026
5 Months active
Languages Used
C++DockerfileMarkdown
Technical Skills
AlgorithmsData StructuresGraph TheorySoftware TestingBuild SystemsCI/CD
Muthu A
PROFILE
Muthu A
Contributed to the google/heir repository by developing backend infrastructure and tooling for hardware-accelerated and reproducible builds. Built graph analysis utilities in C++ to support critical path and shortest path calculations, reinforced with comprehensive tests for correctness. Designed and optimized Docker-based development environments, integrating tools like OpenMP, Yosys, and Ninja to streamline CI/CD workflows and accelerate onboarding. Implemented and registered backend pipelines for Cornami MX2, translating cryptographic schemes such as TFHE and CGGI FHE into SCIFR dialects using MLIR. Focused on performance optimization, maintainability, and documentation, enabling efficient hardware synthesis and secure computation workflows without introducing regressions.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
8Total
Bugs
0
Commits
8
Features
7
Lines of code
8,298
Activity Months5
Your Network
68 peopleWork History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 – google/heir: Delivered the Cornami MX2 backend pipeline to translate CGGI FHE code to SCIFRBool, including pipeline registration and related integration updates. This enables MX2 backend processing and prepares for deployment. Linked to HEIR-2689 (commit 12b5f5762f659d60ba48dff343ebebed5f33119c). No major bugs fixed this month; focus was on feature delivery and integration. Impact: expands backend capabilities, improves maintainability and traceability across the codebase; supports future performance optimizations for the MX2 target. Technologies/skills demonstrated: CGGI FHE, SCIFRBool dialect, backend pipeline engineering, change registration/integration, version control traceability.
1 Commits • 1 Features
Mar 1, 2026March 2026 – google/heir: Delivered the Cornami MX2 backend pipeline to translate CGGI FHE code to SCIFRBool, including pipeline registration and related integration updates. This enables MX2 backend processing and prepares for deployment. Linked to HEIR-2689 (commit 12b5f5762f659d60ba48dff343ebebed5f33119c). No major bugs fixed this month; focus was on feature delivery and integration. Impact: expands backend capabilities, improves maintainability and traceability across the codebase; supports future performance optimizations for the MX2 target. Technologies/skills demonstrated: CGGI FHE, SCIFRBool dialect, backend pipeline engineering, change registration/integration, version control traceability.
March 2026
January 2026
4 Commits • 3 Features
Jan 1, 2026Month: 2026-01 | Google/Heir (Heir project) – concise monthly performance summary. Focused on enabling hardware-ready development pipelines, optimizing operation result workflows, and delivering a first-pass Cornami MX2 backend integration for TFHE and CKKS via SCIFR dialects. The work consolidated improvements in build images, runtime efficiency, and backend readiness for hardware accelerators, aligning with business goals of faster iteration cycles and secure computation workflows. Key actions included parallel enhancements across the repository: Docker image extensions to support OpenMP and Yosys for hardware design builds; refactoring operation result handling to reuse the walk result for faster resolution of unique operation results; and implementing the Cornami MX2 systolic-array backend with SCIFR dialect integration for TFHE and CKKS, including test reorganization, build/process optimizations, and dialect/documentation updates. Commit references (representative changes this month): - 093f977461165bf6fb77fa26f8ea174d18553b11: [Dockerfile]: add omp-dev and yosys into docker image - 338f4c1e730620eb55f982976ea0fc2239505f07: [heir]: use walk result which is a rich object - 245400cc7a44911c1a8ad575177c3a0f6728c4b4: Cornami MX2 systolic array backend for TFHE and CKKS schemes lowering into SCIFR Bool/Ckks dialects … (extensive changes; test/dialect/docs/flags etc.) - 997b51020acb3ef623bb493b648d7c220098f534: Cornami MX2 … (additional tests/docs/ops updates; build flags and tests adjustments) Top 3-5 achievements: 1) Docker image enhancements for hardware development: Added OpenMP development libraries and Yosys to the official docker image, enabling easier hardware design builds and testing pipelines. 2) Performance optimization for operation result resolution: Refactored result handling to reuse the rich walk result, increasing throughput in identifying unique operation results. 3) Cornami MX2 backend for TFHE and CKKS with SCIFR dialect integration: Implemented backend mapping to SCIFR topologies, reorganized tests, optimized build/process, and updated dialects/docs to support hardware-accelerated HEIR workloads. 4) Test organization and documentation improvements: Moved and refreshed tests and documentation related to the Cornami MX2 backend to improve maintainability and clarity for developers. Overall impact and accomplishments: - Accelerated hardware design workflows by making design tools readily available inside standard containers. - Improved runtime efficiency in operation result resolution, enabling faster analysis and iteration. - Established groundwork for hardware-accelerated HEIR workloads through the MX2 backend integration, paving the way for performance, security, and cost benefits in production. - Strengthened code health and developer onboarding via test organization and updated docs. Technologies and skills demonstrated: - Docker, OpenMP, Yosys, MLIR/SCIFR dialects, TFHE/CKKS cryptographic schemes, Cornami MX2 backend concepts - MLIR-based backend integration, dialect translation, and topology mapping - Build optimizations, test reorganization, documentation updates - C++/Python tooling, Bazel/CI considerations, and Git-based collaboration. Note: If you want a version focused solely on business value or tailored to a specific audience (executive, engineering manager, etc.), I can adjust.
January 2026
4 Commits • 3 Features
Jan 1, 2026Month: 2026-01 | Google/Heir (Heir project) – concise monthly performance summary. Focused on enabling hardware-ready development pipelines, optimizing operation result workflows, and delivering a first-pass Cornami MX2 backend integration for TFHE and CKKS via SCIFR dialects. The work consolidated improvements in build images, runtime efficiency, and backend readiness for hardware accelerators, aligning with business goals of faster iteration cycles and secure computation workflows. Key actions included parallel enhancements across the repository: Docker image extensions to support OpenMP and Yosys for hardware design builds; refactoring operation result handling to reuse the walk result for faster resolution of unique operation results; and implementing the Cornami MX2 systolic-array backend with SCIFR dialect integration for TFHE and CKKS, including test reorganization, build/process optimizations, and dialect/documentation updates. Commit references (representative changes this month): - 093f977461165bf6fb77fa26f8ea174d18553b11: [Dockerfile]: add omp-dev and yosys into docker image - 338f4c1e730620eb55f982976ea0fc2239505f07: [heir]: use walk result which is a rich object - 245400cc7a44911c1a8ad575177c3a0f6728c4b4: Cornami MX2 systolic array backend for TFHE and CKKS schemes lowering into SCIFR Bool/Ckks dialects … (extensive changes; test/dialect/docs/flags etc.) - 997b51020acb3ef623bb493b648d7c220098f534: Cornami MX2 … (additional tests/docs/ops updates; build flags and tests adjustments) Top 3-5 achievements: 1) Docker image enhancements for hardware development: Added OpenMP development libraries and Yosys to the official docker image, enabling easier hardware design builds and testing pipelines. 2) Performance optimization for operation result resolution: Refactored result handling to reuse the rich walk result, increasing throughput in identifying unique operation results. 3) Cornami MX2 backend for TFHE and CKKS with SCIFR dialect integration: Implemented backend mapping to SCIFR topologies, reorganized tests, optimized build/process, and updated dialects/docs to support hardware-accelerated HEIR workloads. 4) Test organization and documentation improvements: Moved and refreshed tests and documentation related to the Cornami MX2 backend to improve maintainability and clarity for developers. Overall impact and accomplishments: - Accelerated hardware design workflows by making design tools readily available inside standard containers. - Improved runtime efficiency in operation result resolution, enabling faster analysis and iteration. - Established groundwork for hardware-accelerated HEIR workloads through the MX2 backend integration, paving the way for performance, security, and cost benefits in production. - Strengthened code health and developer onboarding via test organization and updated docs. Technologies and skills demonstrated: - Docker, OpenMP, Yosys, MLIR/SCIFR dialects, TFHE/CKKS cryptographic schemes, Cornami MX2 backend concepts - MLIR-based backend integration, dialect translation, and topology mapping - Build optimizations, test reorganization, documentation updates - C++/Python tooling, Bazel/CI considerations, and Git-based collaboration. Note: If you want a version focused solely on business value or tailored to a specific audience (executive, engineering manager, etc.), I can adjust.
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 Monthly Summary (google/heir) Key features delivered: - Docker Build Tooling Enhancement: Updated the Dockerfile to include OpenMP for parallel processing, ninja-build for faster build execution, and lld for linking. This enables more complex compilations and improves build performance inside the containerized environment. Major bugs fixed: - No major bugs fixed recorded for google/heir in August 2025. Overall impact and accomplishments: - Enhanced container build reliability and performance, enabling faster iteration for feature work and reducing CI/CD build times. - Improved reproducibility of the build environment within CI and local development. Technologies/skills demonstrated: - Docker/containerization, Dockerfile optimization - Build toolchain: OpenMP, ninja-build, lld - Parallel processing concepts, performance optimization, and change traceability
1 Commits • 1 Features
Aug 1, 2025August 2025 Monthly Summary (google/heir) Key features delivered: - Docker Build Tooling Enhancement: Updated the Dockerfile to include OpenMP for parallel processing, ninja-build for faster build execution, and lld for linking. This enables more complex compilations and improves build performance inside the containerized environment. Major bugs fixed: - No major bugs fixed recorded for google/heir in August 2025. Overall impact and accomplishments: - Enhanced container build reliability and performance, enabling faster iteration for feature work and reducing CI/CD build times. - Improved reproducibility of the build environment within CI and local development. Technologies/skills demonstrated: - Docker/containerization, Dockerfile optimization - Build toolchain: OpenMP, ninja-build, lld - Parallel processing concepts, performance optimization, and change traceability
August 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025: Implemented a Dockerized development environment for HEIR to enable reproducible builds and faster onboarding. Introduced a Dockerfile that provisions Python, Bazelisk, Ninja, and other build tools, includes a clone-and-run workflow, and creates a dedicated non-root user inside the container. Added README with clear build and run steps to guide contributors. No bugs were fixed this month; the focus was on developer experience and environment stability, delivering business value through faster onboarding and reduced setup drift.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025: Implemented a Dockerized development environment for HEIR to enable reproducible builds and faster onboarding. Introduced a Dockerfile that provisions Python, Bazelisk, Ninja, and other build tools, includes a clone-and-run workflow, and creates a dedicated non-root user inside the container. Added README with clear build and run steps to guide contributors. No bugs were fixed this month; the focus was on developer experience and environment stability, delivering business value through faster onboarding and reduced setup drift.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary focusing on key accomplishments for google/heir. Delivered graph analysis capabilities and reinforced code quality with robust tests and review discipline.
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary focusing on key accomplishments for google/heir. Delivered graph analysis capabilities and reinforced code quality with robust tests and review discipline.
May 2025
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Quality Metrics
Correctness88.8%
Maintainability87.6%
Architecture88.8%
Performance82.6%
AI Usage30.0%
Skills & Technologies
Programming Languages
C++DockerfileMarkdown
Technical Skills
AlgorithmsBackend DevelopmentBuild SystemsC++ developmentCI/CDCompiler DesignContainerizationData StructuresDevOpsDockerGraph TheoryHardware SynthesisMLIRPerformance EstimationPerformance Optimization
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