VirtualBox

Ticket #5785 (closed defect: wontfix)

Opened 4 years ago

Last modified 4 years ago

pybench fails on Windows 7 64-bit guest

Reported by: mrtwice99 Owned by:
Priority: major Component: other
Version: VirtualBox 3.1.2 Keywords:
Cc: randy@… Guest type: other
Host type: other

Description

In order to compare performance, I was running pybench:

 http://svn.python.org/projects/python/trunk/Tools/pybench/

with Python 2.6.4. This is a pretty easy setup, just SVN checkout pybench and python pybench.py should run a series of tests. However, when doing this with a Windows 7 64 bit guest on VB, I got an error during the "calibration" phase. Looking into the python code, it looks like the problem has to do with time keeping.

I did the same test using qemu-kvm and didn't have any problems.

Attachments

vm.log Download (56.6 KB) - added by mrtwice99 4 years ago.
log file from win 7 32-bit guest doing the same thing

Change History

Changed 4 years ago by mrtwice99

log file from win 7 32-bit guest doing the same thing

comment:1 Changed 4 years ago by mrtwice99

Tried it with a win 7 32-bit guest and only one processor (had two previously). Calibration still fails.

comment:2 Changed 4 years ago by mrtwice99

One more piece of the puzzle. I ran this on a Windows 7 guest on vmware workstation and it also fails.

comment:3 Changed 4 years ago by frank

  • Status changed from new to closed
  • Resolution set to wontfix

So this is probably timing-related and there is not much we can do about it.

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