Speed up MatmulLinearOperator.to_dense() for DiagLazyTensors#122

Balandat merged 2 commits into

cornellius-gp:maincornellius-gp/linear_operator:mainfrom

Balandat:speedup_matmul_linop_todense_diagBalandat/linear_operator:speedup_matmul_linop_todense_diagCopy head branch name to clipboard