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Kirill Smelkov
gevent
Commits
3696d569
Commit
3696d569
authored
Aug 11, 2015
by
Jason Madden
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Update changenotes now that sendall is faster. [skip ci]
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db52e45c
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doc/whatsnew_1_1.rst
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3696d569
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@@ -27,17 +27,13 @@ through 2.5.1, 2.6.0 and pre-release versions of 2.7.0.
to 2.7.0, signals could be delivered incorrectly or fail to be
delivered during a blocking operation.
- Overall performance seems to be quite acceptable with newer versions
of PyPy. Things that are known or expected to be slower under PyPy
include the :mod:`c-ares resolver <gevent.resolver_ares>` and
:meth:`socket.socket.sendall`. In particular,
:meth:`socket.socket.sendall` can be `relatively slow`_ for large
transmissions. This can be mitigated by setting a larger write
buffer on the socket, e.g, ``sock.setsockopt(socket.SOL_SOCKET,
socket.SO_SNDBUF, 1024*1024)`` Whether or not these matter will
of PyPy. The benchmarks distributed with gevent typically perform as
well or better on PyPy than on CPython. Things that are known or
expected to be (relatively) slower under PyPy include the
:mod:`c-ares resolver <gevent.resolver_ares>` and
:class:`gevent.lock.Semaphore`. Whether or not these matter will
depend on the workload of each application.
.. _relatively slow: https://bitbucket.org/pypy/pypy/issues/2091/non-blocking-socketsend-slow-gevent
Improved subprocess support
===========================
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