dotnet/runtime
Nov 2024 – Oct 2025
3 Months active
Languages Used
C#C++
Technical Skills
ARM64 ArchitectureARM64 AssemblyCode GenerationCompiler DevelopmentCompiler OptimizationInstruction Encoding
SwapnilGaikwad
PROFILE
Swapnilgaikwad
Swapnil Gaikwad enhanced the dotnet/runtime repository by developing and optimizing ARM64 features and addressing critical bugs in code generation and testing. He implemented ARM64 SVE mask handling optimizations and added Pointer Authentication support in the JIT, improving both performance and security for vectorized workloads. Using C++ and C#, Swapnil fixed code generation issues for SVE ScatterWithOffsets and GatherVector instructions, ensuring correct byte-offset handling and updating related tests. He also improved the reliability of the SVE GatherVector test suite by refining test templates and introducing new parameters, demonstrating a deep understanding of ARM SVE intrinsics and test automation.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
5Total
Bugs
2
Commits
5
Features
2
Lines of code
1,091
Activity Months3
Your Network
648 people
Work History
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for dotnet/runtime focusing on correctness and test reliability in the SVE GatherVector test suite. Delivered a targeted fix to test templates and introduced a ConvertFunc parameter to ensure accurate test coverage for GatherVectorInt16WithByteOffsetsSignExtendFirstFaulting and GatherVectorInt32WithByteOffsetsSignExtendFirstFaulting. These changes improve validation for the SVE path and reduce CI noise due to brittle test templates.
1 Commits
Oct 1, 2025October 2025 monthly summary for dotnet/runtime focusing on correctness and test reliability in the SVE GatherVector test suite. Delivered a targeted fix to test templates and introduced a ConvertFunc parameter to ensure accurate test coverage for GatherVectorInt16WithByteOffsetsSignExtendFirstFaulting and GatherVectorInt32WithByteOffsetsSignExtendFirstFaulting. These changes improve validation for the SVE path and reduce CI noise due to brittle test templates.
October 2025
September 2025
2 Commits
Sep 1, 2025For 2025-09, delivered critical ARM64 SVE codegen correctness fixes in dotnet/runtime: ScatterWithOffsets and GatherVector, updated tests to cover byte-offset handling and prevent misinterpretation as indices, and improved test coverage to guard against regressions.
September 2025
2 Commits
Sep 1, 2025For 2025-09, delivered critical ARM64 SVE codegen correctness fixes in dotnet/runtime: ScatterWithOffsets and GatherVector, updated tests to cover byte-offset handling and prevent misinterpretation as indices, and improved test coverage to guard against regressions.
November 2024
2 Commits • 2 Features
Nov 1, 2024Monthly summary for 2024-11: Delivered two high-impact ARM64 improvements in dotnet/runtime, enhancing performance, security, and reliability on ARM64 workloads. Implemented ARM64 SVE mask handling optimization with expanded testing (including a Fuzzlyn-reported failure) and added Arm64 Pointer Authentication (PAC) support in the JIT, updating the emitter and introducing unit tests for PAC generation. These changes improve runtime throughput for vectorized code, strengthen security posture with PAC, and broaden JIT capabilities for ARM64.
2 Commits • 2 Features
Nov 1, 2024Monthly summary for 2024-11: Delivered two high-impact ARM64 improvements in dotnet/runtime, enhancing performance, security, and reliability on ARM64 workloads. Implemented ARM64 SVE mask handling optimization with expanded testing (including a Fuzzlyn-reported failure) and added Arm64 Pointer Authentication (PAC) support in the JIT, updating the emitter and introducing unit tests for PAC generation. These changes improve runtime throughput for vectorized code, strengthen security posture with PAC, and broaden JIT capabilities for ARM64.
November 2024
Activity
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Quality Metrics
Correctness98.0%
Maintainability92.0%
Architecture88.0%
Performance74.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C#C++
Technical Skills
ARM SVE IntrinsicsARM64 ArchitectureARM64 AssemblyCode GenerationCompiler DevelopmentCompiler OptimizationHardware IntrinsicsInstruction EncodingJIT CompilationTest AutomationTestingVector IntrinsicsVectorization
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