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Spis treści

Cython eBook -- spis treści

• Cython
• Dedication
• Preface
  • Who Should Read This Book?
    • Prerequisites
  • Who Should Not Read This Book?
  • Outline
  • Conventions Used in This Book
  • Using Code Examples
  • Safari Books Online
  • How to Contact Us
  • Acknowledgments
• 1. Cython Essentials
  • Comparing Python, C, and Cython
    • Function Call Overhead
    • Looping
    • Math Operations
    • Stack Versus Heap Allocation
  • Tempering Our Enthusiasm
  • Wrapping C Code with Cython
  • Summary
• 2. Compiling and Running Cython Code
  • The Cython Compilation Pipeline
    • Installing and Testing Our Setup
      • C and C++ compilers
      • Installing Cython
  • The Standard Way: Using distutils with cythonize
    • Our distutils Script
    • Compiling with distutils on Mac OS X and Linux
    • Compiling with distutils on Windows
    • Using Our Extension Module
  • Interactive Cython with IPythons %%cython Magic
  • Compiling On-the-Fly with pyximport
    • Controlling pyximport and Managing Dependencies
    • pyximport Example with External Dependencies
  • Rolling Our Own and Compiling by Hand
  • Using Cython with Other Build Systems
    • CMake and Cython
    • SCons and Cython
    • Make and Cython
  • Compiler Directives
  • Summary
• 3. Cython in Depth
  • Interpreted Versus Compiled Execution
  • Dynamic Versus Static Typing
  • Static Type Declaration with cdef
    • Automatic Type Inference in Cython
    • C Pointers in Cython
    • Mixing Statically and Dynamically Typed Variables
      • The bint type
      • Integral type conversions and overflow
      • Floating-point type conversions
      • Complex types
      • bytes type
      • str and unicode types
    • Statically Declaring Variables with a Python Type
    • Static Typing for Speed
    • Reference Counting and Static String Types
  • Cythons Three Kinds of Functions
    • Python Functions in Cython with the def Keyword
    • C Functions in Cython with the cdef Keyword
    • Combining def and cdef Functions with cpdef
    • Functions and Exception Handling
    • Functions and the embedsignature Compiler Directive
  • Type Coercion and Casting
  • Declaring and Using structs, unions, and enums
  • Type Aliasing with ctypedef
  • Cython for Loops and while Loops
    • Guidelines for Efficient Loops
    • Loop Example
  • The Cython Preprocessor
  • Bridging the Python 2 and Python 3 Divide
    • str, unicode, bytes, and All That
  • Summary
• 4. Cython in Practice: N-Body Simulation
  • Overview of the N-Body Python Code
  • Converting to Cython
    • Python Data Structures and Organization
    • Converting Data Structures to structs
    • Running the Cythonized Version
  • Summary
• 5. Cython and Extension Types
  • Comparing Python Classes and Extension Types
  • Extension Types in Cython
  • Type Attributes and Access Control
  • C-Level Initialization and Finalization
  • cdef and cpdef Methods
  • Inheritance and Subclassing
    • Casting and Subclasses
    • Extension Type Objects and None
  • Extension Type Properties in Cython
  • Special Methods Are Even More Special
    • Arithmetic Methods
    • Rich Comparisons
    • Iterator Support
  • Summary
• 6. Organizing Cython Code
  • Cython Implementation (.pyx) and Declaration (.pxd) Files
  • The cimport Statement
    • Predefined Definition Files
      • Using cimport with a module in a package
      • Using cimport with an object from a dotted module name
      • Multiple named cimports
      • Using cimport with an alias
      • Using cimport with C++ STL template classes
  • Include Files and the include Statement
  • Organizing and Compiling Cython Modules Inside Python Packages
  • Summary
• 7. Wrapping C Libraries with Cython
  • Declaring External C Code in Cython
    • Cython Does Not Automate Wrapping
  • Declaring External C Functions and typedefs
  • Declaring and Wrapping C structs, unions, and enums
  • Wrapping C Functions
  • Wrapping C structs with Extension Types
  • Constants, Other Modifiers, and Controlling What Cython Generates
  • Error Checking and Raising Exceptions
  • Callbacks
    • Callbacks and Exception Propagation
  • Summary
• 8. Wrapping C++ Libraries with Cython
  • Simple Example: MT_RNG Class
    • The Wrapper Extension Type
    • Compiling with C++
    • Using Our Wrapper from Python
    • Overloaded Methods and Functions
    • Operator Overloading
  • C++ Exceptions
  • Stack and Heap Allocation of C++ Instances
  • Working with C++ Class Hierarchies
  • C++ Templates
    • Templated Functions and Cythons Fused Types
    • Templated Classes
    • Iterators and Nested Classes
    • Included STL Container Class Declarations
  • Memory Management and Smart Pointers
  • Summary
• 9. Cython Profiling Tools
  • Cython Runtime Profiling
  • Performance Profiling and Annotations
  • Summary
• 10. Cython, NumPy, and Typed Memoryviews
  • The Power of the New Buffer Protocol
    • The memoryview Type
  • Typed Memoryviews
    • Typed Memoryview Example
    • C-Level Access to Typed Memoryview Data
    • Trading Safety for Performance
    • Declaring Typed Memoryviews
    • Using Typed Memoryviews
    • Beyond Buffers
  • Wrapping C and C++ Arrays
    • Correct (and Automatic) Memory Management with Cython and C Arrays
  • Summary
• 11. Cython in Practice: Spectral Norm
  • Overview of the Spectral Norm Python Code
  • Performance Profiling
  • Cythonizing Our Code
    • Adding Static Type Information
    • Using Typed Memoryviews
  • Comparing to the C Implementation
  • Summary
• 12. Parallel Programming with Cython
  • Thread-Based Parallelism and the Global Interpreter Lock
    • The nogil Function Attribute
    • The with nogil Context Manager
  • Using prange to Parallelize Loops
    • Using prange
    • prange Options
  • Using prange for Reductions
  • Parallel Programming Pointers and Pitfalls
  • Summary
• 13. Cython in Context
  • Cython Versus Project X
    • Other Ahead-of-Time Compilers for Python
    • Python Wrapper Projects
    • Just-in-Time Compilers for Python
  • Summary
• Index
• Colophon
• Copyright