On Monday, January 19, 2015 at 10:35:42 AM UTC-8, William wrote:
>
>
> Nils, did you specifically try this **exact input**?? 
>

Full session:

sage: sage: K.<sqrt3> = QuadraticField(3)
sage: sage: R.<a1,a2,a3,a4,a5> = K[]
sage: sage: timeit("(a1+a2+a3+a4+sqrt3*a5)^25") 
5 loops, best of 3: 79.9 ms per loop
sage: sage: timeit("ex=(a1+a2+a3+a4+sqrt3*a5)^25")
5 loops, best of 3: 80.4 ms per loop
sage: sage: timeit("ex=expand((a1+a2+a3+a4+sqrt3*a5)^25)")
5 loops, best of 3: 80.5 ms per loop
sage: sage: timeit("expand((a1+a2+a3+a4+sqrt3*a5)^25)")
5 loops, best of 3: 79.6 ms per loop

version:

commit b1287e75962a2dc590f1fa22acc90a4e53383aab
Merge: 99ec4cc 106f5d4
Author: Jeroen Demeyer
Date:   Mon Jan 12 13:51:07 2015 +0100

    Merge branch 'ticket/17561' into ticket/10513
    
    Conflicts:
        src/sage/modules/free_module_element.pyx

commit 106f5d41398794b13a6a683236cf219d49602312
Author: Jeroen Demeyer
Date:   Sat Jan 3 11:04:51 2015 +0100

    Minor improvements in FreeModuleElement_generic_sparse.__init__

commit 99ec4cc13099658e0bc762a6e8d230c3956c7150
Author: Peter Bruin
Date:   Sat Jan 3 09:40:54 2015 +0100

    Trac 10513: revert a change in try...except

commit df0fb69e1aa9ab205e35b98ad6d97d0c67b889af
Author: Jeroen Demeyer
Date:   Mon Dec 29 09:19:24 2014 +0100

    Declare types of _entries

commit 5bf671225b38a8efd55a662a8c967767ac85c7db
Author: Volker Braun
Date:   Sun Dec 21 22:47:26 2014 +0100

    Updated Sage version to 6.5.beta4

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