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Table 5 Time required for index construction, comparing Lucene to different Ivory configurations.

From: Is searching full text more effective than searching abstracts?

  Lucene (1 core) Ivory (10 cores) Ivory (20 cores)
Abstract 1 h 00 m 58 s 1 m 32 s 1 m 07 s
Article 19 h 09 m 23 s 17 m 21 s 9 m 57 s
Span 27 h 10 m 46 s 39 m 58 s 24 m 56 s