Explanation

Background and context that helps you understand concepts and design decisions. Explanations are understanding-oriented: they clarify and illuminate a topic.

• XPCS Data Formats and Conventions
  • What is XPCS Data?
  • HDF5 File Structure
  • Schema Validation
  • Unit Conventions
  • Array Conventions
  • Connection Pooling and the HDF5 Facade
• G2 Correlation Function Theory
  • Physical Background
  • Siegert Relation
  • Fitting Models
  • Two-Stage Fitting Pipeline
  • Convergence Diagnostics
  • Model Selection
• Two-Time Correlation Analysis
  • Motivation
  • Definition
  • Interpretation
  • Visualization in XPCS Viewer
  • Computational Considerations
• JAX Backend Architecture
  • Why a Backend Abstraction?
  • Architecture Overview
  • Backend Selection
  • JIT Compilation
  • I/O Boundaries
  • Device Management
  • Automatic Differentiation
• Mask and Q-Map Internals
  • From Pixels to Q-Space
  • Q-Bin Partition
  • Mask System Architecture
• Performance Optimization
  • Threading System
  • Memory Management
  • I/O Operations
  • Scientific Computing