Justin Chang <[email protected]> writes: > So I tried the following options: > > -M 40 > -N 40 > -P 5 > -da_refine 1/2/3/4 > -log_view > -mg_coarse_pc_type gamg > -mg_levels_0_pc_type gamg > -mg_levels_1_sub_pc_type cholesky > -pc_type mg > -thi_mat_type baij > > Performance improved dramatically. However, Haswell still beats out KNL but > only by a little. Now it seems like MatSOR is taking some time (though I > can't really judge whether it's significant or not). Attached are the log > files.
MatSOR is gonna suck on KNL without some dirty work. > If ex48 has SSE2 intrinsics, does that mean Haswell would almost always be > better? The SSE2 intrinsics are only in Jacobian assemble and could be upgraded to AVX/512.
signature.asc
Description: PGP signature
