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Table 7 Power and energy comparison among the evaluated CGRA systems.

From: SmartCell: An Energy Efficient Coarse-Grained Reconfigurable Architecture for Stream-Based Applications

  SmartCell RaPid [27] Montium [21, 26]
  Power Cycles Energy Power Cycles Energy Power Cycles Energy
  (mW/MHz)   (nJ) (mW/MHz)   (nJ) (mW/MHz)   (nJ)
2D DCT 1.65 36 59 4.29 64 275 0.5 96 48
ME 1.46 1156 1688 2.35 1156 2717
FFT 1.74 60 104 0.541 192 104
MMM 1.46 33 K 48 K 4.28 131 K 561 K
20-tap FIR 1.47 341 501 0.42 2057 864