ROCm/xla
Nov 2025 – Nov 2025
1 Month active
Languages Used
C++
Technical Skills
GPU ProgrammingGPU programmingMLIRParallel computingPerformance OptimizationPerformance optimization
Aleksei Nurmukhametov
PROFILE
Aleksei Nurmukhametov
Over a two-month period, this developer contributed targeted enhancements to compiler-explorer/compiler-explorer and ROCm/xla, focusing on GPU programming and performance optimization using C++ and ISPC. They updated the default ISPC example by introducing a square_even function, improving code clarity and enabling easier local testing. In ROCm/xla, they optimized the PackedTranspose path for AMD GPUs by aligning shared memory group calculations with hardware specifications, refactoring the shared memory write loop for efficiency, and expanding test coverage to ensure correctness and maintainability. Their work addressed hardware-specific performance regressions and laid the groundwork for future kernel optimizations in parallel computing environments.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
3Total
Bugs
0
Commits
3
Features
2
Lines of code
205
Activity Months2
Your Network
364 peopleWork History
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered performance-focused updates to the ROCm/xla PackedTranspose path with AMD GPU considerations. Implemented a hardware-aligned shmem_group naming, adjusted capacity calculations, and introduced a unified shmem write loop across transposes. Updated tests to validate thread utilization and the new single-loop structure. These changes improve throughput and correctness on AMD GPUs while remaining NFC for non-AMD platforms, and lay groundwork for further kernel optimizations.
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered performance-focused updates to the ROCm/xla PackedTranspose path with AMD GPU considerations. Implemented a hardware-aligned shmem_group naming, adjusted capacity calculations, and introduced a unified shmem write loop across transposes. Updated tests to validate thread utilization and the new single-loop structure. These changes improve throughput and correctness on AMD GPUs while remaining NFC for non-AMD platforms, and lay groundwork for further kernel optimizations.
November 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for compiler-explorer/compiler-explorer. Implemented ISPC example enhancement by adding a square_even function that squares an integer only if it is even. This feature replaces the previous square function and includes a commented-out main function for testing the new logic directly in the default ISPC example. The change was committed to the repository as part of the default ISPC example updates.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for compiler-explorer/compiler-explorer. Implemented ISPC example enhancement by adding a square_even function that squares an integer only if it is even. This feature replaces the previous square function and includes a commented-out main function for testing the new logic directly in the default ISPC example. The change was committed to the repository as part of the default ISPC example updates.
Activity
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Quality Metrics
Correctness93.4%
Maintainability80.0%
Architecture86.6%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++ISPC
Technical Skills
GPU ProgrammingGPU programmingMLIRParallel computingPerformance OptimizationPerformance optimizationexample code update
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
compiler-explorer/compiler-explorer
Jan 2025 – Jan 2025
1 Month active
Languages Used
ISPC
Technical Skills
example code update