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

多维混合并行

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ParallelContext 坐标系统与 TP+DP+PP 的工业级组合

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Table of Contents

为什么要混合

ParallelContext：多维坐标系统

通信组的构建

2D 混合示例：TP + DP

3D 混合：TP + DP + PP