Perhaps I should also say that our long term plans for the Julia project I 
mentioned definitely include Gap and Singular, so we will be investing time 
and expertise into solving any issues with these, I am sure.

It's a long term strategy for sure, but not one that is going to disappear 
overnight or bitrot.

Bill.

On Wednesday, 7 October 2015 18:29:49 UTC+2, Bill Hart wrote:
>
>
>
> On Wednesday, 7 October 2015 18:18:02 UTC+2, Jean-Pierre Flori wrote:
>>
>> As far as I remember, apart from the lack of POSIX compatibility on 
>> Windows/MSYS, the main obstacle to "natively" compile Sage on Windows 64 
>> were:
>>
>
> Just to clarify, I'm not talking about MSYS. That's a different thing 
> entirely. MSYS2 has a posix layer.
>  
>
>> * PARI which assumes that sizeof(long) == sizeof(void*), there is an 
>> experimental branch fixing this: 
>> http://pari.math.u-bordeaux.fr/archives/pari-dev-1505/msg00021.html
>>
>
> I am using Pari (not GP) today on Windows 64. It was minimal effort on my 
> part to do so. I am not using a special branch.
>
>
>> * GAP memory allocation, no sure this is actually an issue, see 
>> https://groups.google.com/d/msg/sage-devel/QXy_2KMbP1k/Z3cfpCieYzgJ for 
>> "details".
>>
>
> Gasman might be an issue. My understanding is it tries to allocate all 
> available memory up front. It's also not threadsafe. But this is already an 
> issue for HPC Gap (so they use Boehm instead, as I understand it, albeit at 
> a small performance cost).
>
> Bill. 
>

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