hyperthreading locks up sleeping threads
Robin Becker
robin at reportlab.com
Tue May 9 05:11:56 EDT 2006
OlafMeding at gmail.com wrote:
> Below are 2 files. The first is a Python program that isolates the
> problem within less than 1 hour (often just a few minutes). The second
> is a C++ program that shows that the Win32 Sleep() function works as
> expected (ran from Friday afternoon until Monday morning).
>
> Note, the Python programs hangs (stops responding) with hyper-threading
> turned on (a BIOS setting), but works as expected with hyper-threading
> turned off.
......
I ran this on winxp ht+python-2.4.3 for about 16 hours and no lockup.
--
Robin Becker
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