Make K local in ewald.h, remove sigma Fix >= in MAC Write cells and plot cells Write LET usage and plot histogram whatToSend using DTT, Shortlist Hilbert keys with DTT of the two domains if( to if ( i to key in hilbert Fix oak forest execution time Exclude self communication Run scalability tests Add lazy GPU evaluation SIMD Hilbert Fix 3dp theta problem for images>1 Merge SIMD directory Compare with FDPS, PVFMM, bonsai, exafmm/uniform Use map to merge cells, multimap to merge bodies Short list Hilbert keys for setLET by DTT of the two domains