[issue4565] io write() performance very slow
Istvan Albert
report at bugs.python.org
Sat Dec 6 19:26:59 CET 2008
Istvan Albert <istvan.albert at gmail.com> added the comment:
Well I would strongly dispute that anyone other than the developers
expected this. The release documentation states:
"The net result of the 3.0 generalizations is that Python 3.0 runs the
pystone benchmark around 10% slower than Python 2.5."
There is no indication of an order of magnitudes in read/write slowdown.
I believe that this issue is extremely serious! IO is an essential part
of a program, and today we live in the world of gigabytes of data. I am
reading reports of even more severe io slowdowns than what I saw:
http://bugs.python.org/issue4561
Java has had a hard time getting rid of the "it is very slow" stigma
even after getting a JIT compiler, so there is a danger there for a
lasting negative impression.
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