Python Internals & Performance

What you will be able to do

• Explain references and garbage collection
• Profile and speed up a slow program

What you will learn

1. 15.1Execution & Memory4 lessons

   From source code to running program. Bytecode and the interpreter, Reference counting and garbage collection, Object memory and __slots__.

   1. Bytecode and the Python Interpreter15 min
   2. Reference Counting and Garbage Collection15 min
   3. Object Memory and __slots__15 min
   4. Execution and Memory Checkpoint25 min
2. 15.2Performance4 lessons

   Find what is slow, then fix it. timeit and cProfile, Choosing data structures, Common speed-ups.

   1. timeit and cProfile15 min
   2. Choosing Data Structures for Speed15 min
   3. Common Python Speed-Ups15 min
   4. Performance Checkpoint25 min