[IPython-dev] Performance sanity check: 7.21s to scatter 5000X1000 float array to 7 engines

Andrew Straw strawman at astraw.com
Sun Jan 13 13:16:29 EST 2008

Which bug makes the kernel unusable in text mode? (Sorry if it's the 
openmpi bug you linked below, I don't see a connection there.)


Fernando Perez wrote:
> What platform are you on?  I've just wasted a few hours chasing the
> same behavior you're seeing, only to find out that openmpi on ubuntu
> gutsy is completely #$@^* broken!!!
> https://bugs.launchpad.net/ubuntu/+source/openmpi/+bug/152273
> <rant> As much of an ubuntu fan as I've been over the years, lately
> I've really had a few encounters like this that are annoying the hell
> out of me.  We all have bugs, but a distro with fully
> doesn't-work-at-all packages, and bugs that make the kernel *fully
> unusable in text mode* (with certain configurations that have worked
> for only, oh, 10 years) and that linger for months unfixed despite
> dozens of confirmed reports... AGGGGHHHH.
> </rant>

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