IDE:   1.8.19
Board: UNO

loop unrolled version

FASTSHIFTOUT_LIB_VERSION: 0.4.0

Performance - time in us
        write: 12.76
        write: 24.27
        Delta: 11.51

writeLSBFIRST: 11.76
writeLSBFIRST: 23.26
        Delta: 11.50

writeMSBFIRST: 11.76
writeMSBFIRST: 23.27
        Delta: 11.50

Standard shiftOut1: 89.85
Standard shiftOut2: 179.45
             Delta: 89.60

      write16: 24.14
      write16: 48.04
        Delta: 23.89

      write24: 35.66
      write24: 71.05
        Delta: 35.40

      write32: 47.16
      write32: 94.06
        Delta: 46.90


Test print interface
println("Hello world"): 	189.20
println(1357): 			247.12
println(3.14159265, 4): 	629.96


done ...


no loop unroll version

Performance - time in us
        write: 15.34
        write: 29.43
        Delta: 14.10

writeLSBFIRST: 14.34
writeLSBFIRST: 28.42
        Delta: 14.09

writeMSBFIRST: 14.34
writeMSBFIRST: 28.42
        Delta: 14.08

Standard shiftOut1: 89.85
Standard shiftOut2: 179.44
             Delta: 89.60

      write16: 29.31
      write16: 58.35
        Delta: 29.04

      write24: 43.38
      write24: 86.51
        Delta: 43.13

      write32: 57.47
      write32: 114.68
        Delta: 57.22


Test print interface
println("Hello world"): 	222.68
println(1357): 			262.60
println(3.14159265, 4): 	650.68

