Just out of curiosity, what's wrong with just using the Visual Studio Community compiler? I reckon they are be agnostic towards hardware and will not "accidentally" cause worse performance when executing your build on an AMD processor. Rob On 26-05-2021 19:57, Winter, Graeme (DLSLtd,RAL,LSCI) wrote:
HI Folks
Following from a DIALS issue about it being slow on Windows
https://github.com/dials/dials/issues/1666 https://github.com/dials/dials/issues/1666
I have fallen into a rabbit hole and I am trying to build DIALS (and hence cctbx) on Windows with the intel compilers from oneAPI - however I keep stumbling over linking errors with e.g. undefined symbol __floor
Should I abandon hope or has someone done this?
I know this is not a new path to tread as windows_icc was a defined combination on the SConscripts
I had had to hack some bits around a little presumably to accommodate 2021 versions of icc compilers, but this felt like I was going down a bad path
Would welcome input from anyone who can help - currently windows DIALS is a pretty poor relation
It is noteworthy however that parallel operation does now appear to work on Windows with easy mp :-)
In other news - has anyone considered adding clang support with clang coming from conda? Could make for more consistency in the builds… I had a look at how one may go about doing this but rapidly found myself in SCons hell.
Thanks in advance for any help & all the best Graeme
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