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Table 4 Area and performance comparison between FPGA-based Hebbi an eigenfilter and PCA

From: Stream-based Hebbian eigenfilter for real-time neuronal spike discrimination

  Hebbian eigenfilter Stream-based HE PCA Improvement
  (HE) (SHE) [32] (SHE vs PCA)
Number of slice 897 749 7722 10.3x
Number of BRAM 65 5 65 13x
Power (mW) 7.3 2.4 49.3 20.5x
Learning latency (μs ) 5.6 5.6 42.4 7.6x