What does sparsely compute mean?

I heard someone say a neural network needs to sparsely compute the output.

I get what compute means, I get what a sparse matrix is, but what does sparsely compute mean?

• Could you cite the reference so that we can see the context? Aug 23 '19 at 21:52
• I heard it with my ears, so unfortunately I can't privde more context than that
– Joff
Aug 25 '19 at 3:55