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Changes: * Strip cffi libraries Outstanding items: * Fix virtualenv bug (ports/183795) * Update memory and compiler times (Makefile, wiki) ChangeLog: * Our Garbage Collector is now "incremental". It should avoid almost all pauses due to a major collection taking place. Previously, it would pause the program (rarely) to walk all live objects, which could take arbitrarily long if your process is using a whole lot of RAM. Now the same work is done in steps. This should make PyPy more responsive, e.g. in games. There are still other pauses, from the GC and the JIT, but they should be on the order of 5 milliseconds each. * The JIT counters for hot code were never reset, which meant that a process running for long enough would eventually JIT-compile more and more rarely executed code. Not only is it useless to compile such code, but as more compiled code means more memory used, this gives the impression of a memory leak. This has been tentatively fixed by decreasing the counters from time to time. * NumPy has been split: now PyPy only contains the core module, called _numpypy. The numpy module itself has been moved to https://bitbucket.org/pypy/numpy and numpypy disappeared. You need to install NumPy separately with a virtualenv: pip install git+https://bitbucket.org/pypy/numpy.git; or directly: git clone https://bitbucket.org/pypy/numpy.git; cd numpy; pypy setup.py install. * non-inlined calls have less overhead * Things that use sys.set_trace are now JITted (like coverage) * JSON decoding is now very fast (JSON encoding was already very fast) * various buffer copying methods experience speedups (like list-of-ints to int[] buffer from cffi) * We finally wrote (hopefully) all the missing os.xxx() functions, including os.startfile() on Windows and a handful of rare ones on Posix. * numpy has a rudimentary C API that cooperates with cpyext |
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