KoscheiKoschei's blog on databases, systems, and large language models.https://koschei.top/en[Stanford CS336] Assignment 5: Alignment and Reasoning Reinforcement Learninghttps://koschei.top/en/blog/cs336-assign5/https://koschei.top/en/blog/cs336-assign5/In this assignment, you will gain hands-on experience in training language models to reason when solving math…Tue, 13 Jan 2026 10:12:00 GMTCS336LLMLLMHigh-Performance BPE Tokenizer Optimization: From 10 Minutes to 1 Secondhttps://koschei.top/en/blog/bpe-optimization/https://koschei.top/en/blog/bpe-optimization/Detailed explanation of high-performance optimization strategies for BPE tokenizers, including parallelization, lazy deletion queues, incremental updates, and moreSat, 14 Jun 2025 09:43:58 GMTCS336LLMBPEPerformance OptimizationLLM[Stanford CS336] Assignment 1: Building a Transformer Language Modelhttps://koschei.top/en/blog/cs336-assign1/https://koschei.top/en/blog/cs336-assign1/In today's AI technology wave, mastering large model knowledge has become an essential skill for systems devel…Sat, 14 Jun 2025 09:43:58 GMTCS336LLMLLMApply for 1Password OpenSource Plan Through Open Source Projects to Get Teams Subscription Licensehttps://koschei.top/en/blog/applying-1password-open-source-plan/https://koschei.top/en/blog/applying-1password-open-source-plan/Today, most platforms have gradually transitioned from "one-time purchase" to "subscription-based", and 1Passw…Fri, 14 Mar 2025 15:18:00 GMTApply1PasswordOpenSourceGuidesBuild Doris on MacBook M1https://koschei.top/en/blog/build-doris-on-macbook-m1/https://koschei.top/en/blog/build-doris-on-macbook-m1/Doris master currently only supports JDK 17Sun, 09 Mar 2025 12:28:46 GMTDorisMacBookM1Build