PyPy version 7.3.20 introduces two interpreters: PyPy2.7, supporting Python 2.7, and PyPy3.11, supporting Python 3.11, with fixed bugs and enhanced compatibility.
Low Overhead Allocation Sampling with VMProf in PyPy's GC
Statistical memory profiling can be achieved with low overhead by saving only every nth allocated byte rather than tracking every allocation, enhancing efficiency.