johnyangk commented on issue #148: [NEMO-260] Beam Accumulator-based Partial Aggregation URL: https://github.com/apache/incubator-nemo/pull/148#issuecomment-436137509 This change brings around 15% and more speedup for TPC-H SF100. | Current | This PR -- | -- | -- Q3 | 5mins, 26sec | 4mins, 28sec Q4 | 3mins, 33sec | 2mins, 54sec Q5 | 7mins, 20sec | 6mins, 4sec Q6 | 2mins, 20sec | 1mins, 45sec Q10 | 3mins, 44sec | 3mins, 9sec Q12 | 3mins, 14sec | 2mins, 49sec Q13 | 3mins, 42sec | 3mins, 10sec Q14 | 2mins, 18sec | 1mins, 51sec
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