Principles

Tokenization Basics BPE Algorithm GPT Tokenizers BPE Training Engineering

Model Architecture

Attention Mechanisms

Position Encoding

Position Encoding Basics RoPE Math Derivation RoPE Implementation Length Extrapolation

GPU Programming Basics

GPU Architecture Basics Tensor Layout Triton Basics: Vector Add

Flash Attention Principles From Naive to Auto-Tuning Block Pointers and Multi-Dim Support Causal Masking Optimization Grouped Query Attention Backward Pass

Hands-on Training

张量并行

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Column Parallel 和 Row Parallel 的对称设计

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Table of Contents

为什么需要张量并行

Column Parallel Linear

Row Parallel Linear

Column + Row 的组合