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Has anyone actually implemented a Fibonacci-Heap efficiently?
... when the graph was incredibly large and dense, e.g.:
Generating graph...10000 vertices, 20000000 edges.
Running Dijkstra's with binary heap...1.46 seconds.
Running Dijkstra's with Fibonacci heap...1.31 seconds.
Speedup = 1.1145.
As far as I understand, this touches at the fundamental differences...
Expansion of variables inside single quotes in a command in Bash
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answered Dec 10 '12 at 14:00
Jo SoJo So
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
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answered Oct 6 '08 at 18:21
community wiki
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Using jQuery To Get Size of Viewport
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answered Jun 15 '10 at 11:17
SimaWBSimaWB
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Why can't I push to this bare repository?
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edited Mar 22 '16 at 19:09
ahsteele
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answ...
What's the best way of implementing a thread-safe Dictionary?
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edited Oct 1 '08 at 15:04
answered Oct 1 '08 at 14:49
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Performance of Java matrix math libraries? [closed]
.... I've compared some of these libraries. I attempted to matrix multiply a 3000 by 3000 matrix of doubles with itself. The results are as follows.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
Using Jama with Java, the time taken was 50 seconds.
U...
How to declare or mark a Java method as deprecated?
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Clijsters
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answered Jan 27 '12 at 10:24
Vladimir IvanovVladi...
Hashset vs Treeset
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answered Dec 16 '10 at 18:59
sactiwsactiw
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How to check if a variable is set in Bash?
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answered Dec 13 '12 at 17:04
LionelLionel
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