Check Python Memory Usage

• Monitoring memory usage of a running Python program - GeeksforGeeks

Build-in libraries

• tracemalloc — Trace memory allocations — Python 3.11.1 documentation

import tracemalloc

print(tracemalloc.start())
# ...
# my ugly code
# ...
print(tracemalloc.get_traced_memory())

# shows (current_usage, peak)

Tools

• pythonprofilers/memory_profiler: Monitor Memory usage of Python code
• bloomberg/memray: Memray is a memory profiler for Python

# need pip install memory_profiler
from memory_profiler import profile

@profile
def my_ugly_func():
  # ...
  # ...

# show memory usage line by line

Other

Tkinter initial use 41.9 MB