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mpetri / recursive_graph_bisection

This program implements the following graph reordering technique: Laxman Dhulipala, Igor Kabiljo, Brian Karrer, Giuseppe Ottaviano, Sergey Pupyrev, Alon Shalita: Compressing Graphs and Indexes with Recursive Graph Bisection. KDD 2016: 1535-1544
BSD 3-Clause "New" or "Revised" License
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Compiler flags #19

Open amallia opened 6 years ago

amallia commented 6 years ago

@JMMackenzie and I have noticed that adding -Ofast -fno-signed-zeros -fno-trapping-math gives a huge improvement in speed.

JMMackenzie commented 6 years ago

Just adding that this does result in a very slight decrease in the reordering effectiveness due to precision loss in some calcs.