[isabelle-dev] Poly/ML x86_64_32 available for testing

Makarius makarius at sketis.net
Tue Jan 22 17:31:10 CET 2019

On 22/01/2019 12:31, Bertram Felgenhauer wrote:
> Makarius wrote:
>> So this is the right time for further testing of applications:
>> Isabelle2018 should work as well, but I have not done any testing beyond
>> "isabelle build -g main" -- Isabelle development only moves forward in
>> one direction on a single branch.
> I have tried this with Isabelle2018 and IsaFoR; I've encountered no
> problems and there's a nice speedup (estimated 1.25 times faster).
> Heap images are 40% smaller, which is a welcome change as well.

Is that compared to x86_64 (full 64-bit) or x86 (old 32-bit)?

I am asking this, because I have noted a speedup of building heap
images: x86_64_32 compared to x86, and was wondering about the reasons
for it. (For x86_64 everything is just more bulky, of course, including


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