In[83]:= LaunchKernels[]

During evaluation of In[83]:= LinkObject::linkd: Unable to communicate with closed link LinkObject['/Applications/Wolfram.app/Contents/MacOS/WolframKernel' -noinit -subkernel -wstp,2002,23].

During evaluation of In[83]:= LinkObject::linkd: Unable to communicate with closed link LinkObject['/Applications/Wolfram.app/Contents/MacOS/WolframKernel' -noinit -subkernel -wstp,2003,24].

During evaluation of In[83]:= LinkObject::linkd: Unable to communicate with closed link LinkObject['/Applications/Wolfram.app/Contents/MacOS/WolframKernel' -noinit -subkernel -wstp,2004,25].

During evaluation of In[83]:= General::stop: Further output of LinkObject::linkd will be suppressed during this calculation.

During evaluation of In[83]:= Parallel`Developer`ConnectKernel::failinit: 8 of 8 kernels failed to initialize.

Out[83]= {}

In[82]:= ParallelKernels[]

Out[82]= {}

In[80]:= AbsoluteTiming[
  counts2X2X2sList = ParallelMap[
    ArrayReshape[ (* Convert 1X8 counts into 2X2X2 counts; 
      doing it this weird way - Flatten first - is much faster. *)
      Flatten@#,
      {Length@#, 2, 2, 2}
      ] &,
    counts1X8sList
    ]
  ][[1]]

During evaluation of In[80]:= ParallelMap::nopar: No parallel kernels available; proceeding with sequential evaluation.

Out[80]= 0.040537