<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/ppo-for-language-models</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/the-language-model-as-a-policy</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/the-token-action-space</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/states-as-growing-contexts</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/reward-assignment-in-sequential-generation</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/the-critical-role-of-the-kl-penalty</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/ppo-objective-for-language-models</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/worked-example-tracing-a-complete-ppo-update</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/implementation-ppo-training-step</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/a-complete-training-loop</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/key-parameters</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/practical-considerations</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/limitations-and-challenges</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/summary</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url><url><loc>https://mbrenndoerfer.com/writing/ppo-for-language-models-rlhf-policy-optimization/quiz</loc><lastmod>2025-12-28T10:00:00.000Z</lastmod></url></urlset>