{"type": "article", "title": "I made a kernel 2.2x faster. It made my training loop 3x slower", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-made-a-kernel-2-2x-faster-it-made-my-training-loop-3x-slower", "original_source": "https://kyrieblunders.bearblog.dev/making-dr-grpo-go-brrr/", "published": "2026-06-02T17:26:13+00:00", "accessed": "2026-06-13", "id": "i-made-a-kernel-2-2x-faster-it-made-my-training-loop-3x-slower"}