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Martin Perdacher
hilbertJoin
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21d06272
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21d06272
authored
Apr 11, 2019
by
Martin Perdacher
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21d06272
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@@ -23,4 +23,27 @@ In our experiments (see paper) we _always_ use the following setting:
For uniform data we suggest to use the following parameter settings:
-
KBLOCK=16
-
STRIPES=1
\ No newline at end of file
-
STRIPES=1
_What does the output mean?_
Here an example output.
N;D;JPPP;THREADS;EPSILON;STRIPES;KBLOCK;TIME;ALGTIME;SORTTIME;INDEXTIME;REORDERTIME;COUNTS;LOADPERCENT;WH
200000;64;0.000000;64;0.20000000000000;14;4;0.794607;0.579982;0.130889;0.514304;0.083736;0;0.061758;0.000000
-
N ... number of objects
-
D ... dimensionality (number of features)
-
JPPP ... join-partners per point _nSelectivity_ (see Section 4.1.3).
-
THREADS ... number of threads used
-
STRIPES ... bounds (Section 3.1 in paper)
-
KBLOCK ... check after each _KBLOCK_ objects, whether we have exceeded epsilon distance.
-
TIME ... time spent for the total algorithm
-
ALGTIME ... time spent for join
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SORTTIME ... time spent for sorting
-
INDEXTIME ... time spent for determining bounds (Section 3.1)
-
REORDERTIME ... time spent for reordering the dimensions (proposed by Super-EGO)
-
COUNTS ... cardinaities
-
LOADPERCENT ... load in percent
-
WH ... energy in watthours (currently turned off)
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