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Table 1 Possible relations between time intervals τ 1 and τ 2

From: Energy-aware resource allocation for multicores with per-core frequency scaling

Relation Inverse relation Interpretation Illustration
τ1<τ2 τ2>τ1 τ1 before τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2
τ 1 m τ 2 τ 2 mi τ 1 τ1 meets τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2
τ1=τ2 τ2=τ1 τ1 equal τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2
τ 1 d τ 2 τ 2 di τ 1 τ1 during τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2 τ 2 τ 2 τ 2
τ 1 o τ 2 τ 2 oi τ 1 τ1 overlaps τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2
τ 1 s τ 2 τ 2 si τ 1 τ1 starts τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2 τ 2 τ 2 τ 2
τ 1 f τ 2 τ 2 fi τ 1 τ1 finishes τ2 τ 1 τ 1 τ 1
    τ 2 τ 2 τ 2 τ 2 τ 2 τ 2