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jli

PROFILE

Jli

During June 2026, contributed to the ROCm/aiter repository by developing RDNA4 wave32-optimized fused attention kernels to enhance high-performance attention on AMD gfx1250 hardware. The work involved porting fused attention compression and quantization kernels to the new architecture, implementing specialized wave32 load and store paths, and introducing scatter operations for efficient SWA cache writes. Additional efforts included updating dispatch routing, enabling in-kernel post-norm and rope key-value writes within a single launch, and maintaining code quality through formatting and CI integration. This engineering leveraged backend development, GPU programming, and Python, demonstrating depth in hardware-specific kernel optimization and collaborative development practices.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
2,136
Activity Months1

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

June 2026 monthly summary for ROCm/aiter: Delivered RDNA4 wave32-optimized fused attention kernels to enable high-performance attention on RDNA4 hardware. Key work included porting fused attention compression and quantization kernels to gfx1250 wave32, adding specialized load/store paths and scatter operations for SWA cache writes; ported qk_norm_rope_quant and compress_attn to gfx1250 (wave32); added gfx1250 dispatch routing in existing entry points and a dedicated test file. Implemented fused SWA kv_write scatter path to gfx1250 qk_norm_rope_quant to support in-kernel post-norm/rope KV writes in the same launch. Cleaned up code with ruff format and black formatting, triggering CI re-run. Co-authored PRs with multiple contributors to advance hardware support and kernel quality.

Activity

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Quality Metrics

Correctness80.0%
Maintainability80.0%
Architecture100.0%
Performance100.0%
AI Usage80.0%

Skills & Technologies

Programming Languages

No languages yet

Technical Skills

Backend DevelopmentGPU ProgrammingMLIRPythonROCm

Repositories Contributed To

1 repo

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ROCm/aiter

Jun 2026 Jun 2026
1 Month active

Languages Used

No languages

Technical Skills

Backend DevelopmentGPU ProgrammingMLIRPythonROCm