On Fri, Sep 15, 2017 at 07:11:38PM +0100, Ben Hutchings wrote: >On Thu, 2017-09-14 at 03:40 +0100, Steve McIntyre wrote: >[...] >> There is optional kernel support to trap the exceptions here >> and emulate the instructions, but it's really not recommended for >> serious use (e.g. on a build machine!). >[...] > >Why is it not recommended? Terrible performance, or known bugs?
I've heard estimates for performance slowdown of a factor of 20 or more, maybe worse. It's very dependent on the hardware and the code in question obviously. Sorry, I don't have any references, I'm afraid. :-/ Of course, the massive log overheard that Vagrant reports won't help much either! I'm not aware of any bugs OTTOMH. -- Steve McIntyre, Cambridge, UK. st...@einval.com There's no sensation to compare with this Suspended animation, A state of bliss
