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ParallelKernelBench Exposes LLM Weakness in Multi-GPU Kernels
Rebeca Moen Jun 23, 2026 18:37 ParallelKernelBench shows GPT-5.5 and peers struggle with multi-GPU CUDA kernels, solving less than 31% of tasks. Here's why it matters. A recent benchmark, ParallelKernelBench…









