On Wed, Dec 14, 2016 at 12:42 PM, Dima Pasechnik <dimp...@gmail.com> wrote:
> Hi Erik,
>
> there are bugs in 7.4 (which is the version your Windows version is based
> on, right?)
> that break SAGE_FAT_BINARY.
> See https://trac.sagemath.org/ticket/21850 and
> https://trac.sagemath.org/ticket/21849
> and https://trac.sagemath.org/ticket/21772
>
> Did you backport these?

No, I did not.  Thanks for pointing these out--at least one of these
is the likely culprit then.  For example I note in the .debug_info
section that givaro was built with AVX support, which Peter's CPU does
not have.  I'll backport these fixes and make a new build.

Thanks,
Erik

> On Wednesday, December 14, 2016 at 11:04:01 AM UTC, Erik Bray wrote:
>>
>> On Wed, Dec 14, 2016 at 11:33 AM, Peter Luschny <peter....@gmail.com>
>> wrote:
>> >> Could you tell me what kind of CPU you have?  And remind me, was this
>> >> running in a VM (it shouldn't matter but I'm curious)?
>> >
>> >
>> > No, no, it ran on bare iron.
>>
>> Okay, so there are at least a few instructions my CPU has that yours
>> doesn't, such as the SSSE3 instruction set (as opposed to SSE3).
>> Still hard to narrow it down much though.
>
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