how i can decrease glich in hspice result for avanwaves

  1. diod
    diod
    hi
    how i can decrease glich in avanwaves hspice result?
    .option post accurate
    .global vdd gnd
    .lib 'all_mos.l' tt
    vdd vdd gnd 3.5
    cload out 0 50fF
    .TRAN 50PS 10NS
    .MEASURE TRAN avgpwr AVG POWER FROM=1ns TO=3ns
    .PARAM vvddpar=3.5
    .measure TRAN iavg AVG i(mnb) FROM=1ns TO=3ns
    .measure TRAN power PARAM='iavg*vvddpar'
    mpa out inva vdd vdd pch W=10u L=1u
    mpb out invb vdd vdd pch W=10u L=1u
    mna out inva x gnd nch W=10u L=1u
    mnb x invb gnd gnd nch W=10u L=1u
    Vb INVb 0 PULSE 0 3.8 1ns 50ps 50ps 2ns 4ns
    Va INVa 0 PULSE 0 3.8 1ns 100ps 100ps 4ns 8ns
    .end
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