[LAU] yoshimi battles the Intel Atom N270

[Ken Restivo]

On Sat, Jan 15, 2011 at 01:19:58AM +1100, cal wrote:
> Poor yoshimi's been in quite a bit of bother over the last few weeks.
> Having recently defended the stability projections for 0.060.1, it was
> a bit embarrassing to learn that it might well eventually prove "stable",
> but it was producing 3 or 4 incorrectly pitched notes per octave on some,
> but not all 32 bit builds. 64 bit builds were fine.
>
> With some tweaking, ie reverting a couple of clever little "optimisations",
> we got it to the point where it was mostly fine, but not on eee netbook
> thingies with an Intel Atom N270 cpu. Now that was a merry little chase,
> still is. As things stand, I added to the signal handler, clearing all
> floating point exceptions on receipt of SIGFPE. So far I've had one test
> report that it's now pitching accurately on an Atom N270. I don't have
> access to one, so more testing would be welcome. Even if it holds good
> with further testing, I figure that's just a workaround, not quite a fix.
>
> Beyond that I'd welcome theories or dissertations on just what the hell I
> might be dealing with here.
>

I know that you can beat them.

-ken