resamp2|benchmark: fixing filter length, adjusting num iterations
resamp2|benchmark: fixing filter length, adjusting num iterations

  * filter length now defined by m, where h_len = 4*m+1
  * scaling number of trials appropriately

wangning223/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,andrepuschmann/liquid-dsp,wangning223/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,jgaeddert/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,andrepuschmann/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,biotrump/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,jgaeddert/liquid-dsp,jgaeddert/liquid-dsp,manuts/liquid-dsp,biotrump/liquid-dsp,cjcliffe/liquid-dsp,andrepuschmann/liquid-dsp,cjcliffe/liquid-dsp