Add/Update xp benchmark

experiments/SIAM/xp_2_bench_time/get_algs_params.py

experiments/SIAM/xp_2_bench_time/launcher.sh

experiments/SIAM/xp_2_bench_time/make_figs.sh

experiments/SIAM/xp_2_bench_time/process_data.py

experiments/SIAM/xp_2_bench_time/xp_a_get_state.py

experiments/SIAM/xp_2_bench_time/xp_b_get_budget.py

experiments/SIAM/xp_2_bench_time/xp_c_results_time.py

experiments/SIAM/xp_2_bench_time/xp_d_results_it.py

experiments/SIAM/xp_2_bench_time/xp_d_viz_paper.py