PyPy 2.2 Python Is Now Even Faster
The JIT compiler based PyPy alternative to Python is now up to version 2.2. This Python 2 alternative is now even faster than earlier releases.
Among the noted changes with PyPy 2.2 include the garbage collector being incremental, JIT counters for hot code now being reset, NumPy has been split from PyPy itself, non-lined calls now have less overheated, sys.set_trace-dependent code are now JITed, JSON decoding is much faster, buffer copying methods have been sped up, and all missing os.xxx() functions have been implemented.
This PyPy 2.2 release is for their Python 2 implementation while they are hoping to get a PyPy3 2.2 releaseo ut for their Python 3.x support. The project is also hoping to release a preview of their Software Transaction Memory (STM) code very soon.
More details on PyPy 2.2 can be found via their software release announcement.
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