Changes between Initial Version and Version 2 of Ticket #23819


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Timestamp:
Sep 10, 2017, 7:49:19 AM (5 years ago)
Author:
Martin Rubey
Comment:

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  • Ticket #23819

    • Property Status changed from new to needs_review
    • Property Authors changed from to Martin Rubey
    • Property Component changed from PLEASE CHANGE to combinatorics
    • Property Branch changed from to u/mantepse/speed_up_alternatingsignmatrix_from_corner_sum
    • Property Commit changed from to f34394d84ed07c4ed492479136fed334abd14b19
    • Property Type changed from PLEASE CHANGE to enhancement
  • Ticket #23819 – Description

    initial v2  
     1old:
     2{{{
     3sage: timeit("[asm.parent().from_corner_sum(asm.corner_sum_matrix()) for asm in AlternatingSignMatrices(6)]", number=1, repeat=1)
     41 loops, best of 1: 35.2 s per loop
     5}}}
     6
     7new:
     8{{{
     9sage: timeit("[from_corner_sum(asm.corner_sum_matrix()) for asm in AlternatingSignMatrices(6)]", number=1, repeat=1)
     101 loops, best of 1: 25.5 s per loop
     11}}}