WebGPU Compute Shaders for On-Device LLM Inference in Android WebViews: The GPU Pipeline That Bypasses NNAPI Limitations
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Using WebGPU compute shaders via Android WebView to run quantized LLM matrix multiplications on mobile GPUs, bypassing NNAPI's operator coverage gaps and vendor-specific bugs — covering shader workgroup tuning, buffer memory mapping between JS and native, and the hybrid architecture where WebGPU handles attention layers while CPU threads run non-matmul ops
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Using WebGPU compute shaders via Android WebView to run quantized LLM matrix multiplications on mobile GPUs, bypassing NNAPI's operator coverage gaps and vendor-specific bugs — covering shader workgroup tuning, buffer memory mapping between JS and native, and the hybrid architecture where WebGPU handles attention layers while CPU threads run non-matmul ops
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