On Thu, 1 Oct 2020, Heinrich Schuchardt wrote:
On 9/30/20 10:02 PM, Michael Hennebry wrote:
On Tue, 29 Sep 2020, Domingo Alvarez Duarte wrote:
I found why GLPK in wasm was faster with "--cuts" option than native,
it was due wasm using qsort from muslc that is a "stable sort", I've
added it to my GLPK repository and running all models in the
"examples" folder only "color.mod" produces a different solution (that
seems to be valid anyway).
My expectation is that all sort algorithms produce the same result if
you supply a sort key that is different for all elements.
In the case of ties, tie-breaking matters.
For a stable sort, the tie-breaker is the original position.
--
Michael henne...@web.cs.ndsu.nodak.edu
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
-- someeecards
