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Sep 23, 2013 · Long-term evidence is showing that PyPy runs certain Python codes slower than CPython and this drawback seems to be rooted very deeply in PyPy. Secondly, the current version of PyPy consumes much more memory than CPython in a rather large set of cases.
Differences between PyPy and CPython¶ This page documents the few differences and incompatibilities between the PyPy Python interpreter and CPython. Some of these differences are “by design”, since we think that there are cases in which the behaviour of CPython is buggy, and we do not want to copy bugs.
Aug 19, 2021 · Brief reviews on popular Python compilers like Cython, PyPy, and the default Python interpreter CPython.
Sep 19, 2022 · Based on different benchmarks done by the PyPy team it seems that it is 4.7X faster than CPython (https://speed.pypy.org/). The crazy thing about it is that you don’t need to rewrite the...
Mar 16, 2024 · CPython interprets bytecode, whereas PyPy uses JIT compilation to translate Python code into machine code dynamically, aiming for faster execution. Performance: PyPy often provides significant performance improvements over CPython in long-running applications due to JIT compilation.
In this tutorial, you'll learn how you can use PyPy to improve the speed of your applications. You'll see how PyPy compares with other Python implementations like CPython and learn about features that you can use to gain significant performance boosts without making changes to your code.
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The PyPy implementation is 16 times faster than the CPython implementation and about 3 times slower than the Cython implementation. This is fascinating since PyPy is running the exact same pure Python code as the CPython implementation – it shows the power of PyPy’s JIT compiler.
