pytc.solver.isdf_xtc_ccsd.contract_x_left_t2_pipelined¶ pytc.solver.isdf_xtc_ccsd.contract_x_left_t2_pipelined(t2, left_out, left_inner, x_backing, nocc, *, occupied_pair_batch_size=8, rank_panel_size=128, panel_budget_bytes=None)[source]¶ Pipelined P[a,m] P[c,m] X[b,d,m]: working-set panels, prefetched.