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Date: Thu, 09 Apr 2015 11:50:19 +0200
From: Frank Dittrich <>
Subject: Re: New SIMD generations, code layout

On 04/09/2015 11:43 AM, magnum wrote:
> BTW one example of intermittant bug is if there's any align(16) still in
> there - there's a chance such thing will happen to become aligned for
> AVX2 but less chance for MIC. Those should result in segfault though, if
> you only got a FAIL this is probably not it.

Can memdbg builds be enhanced in a way that makes sure the returned
address matches the required alignment, but not a higher alignment?
For that purpose, memdbg would need to allocate somewhat more memory,
and return an appropriate pointer.
That way, these bugs woudn't be intermittent anymore (at least for
memdbg builds).


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