VIRUS: status and performance of the massively-replicated fiber integral field spectrograph for the upgraded Hobby-Eberly Telescope od Hill, G, Kelz, A, Lee, H, MacQueen, P, Peterson, TW, Ramsey, J, Vattiat, BL, DePoy, DL, Drory, N, Gebhardt, K, Good, JM, Jahn, T, Kriel, H, Marshall, JL, Tuttle, SE, Zeimann, G, Balderrama, E, Bryant, R, Buetow, B, Chonis, T, Damm, G, Fabricius, MH, Farrow, D, Fowler, J, Froning, C, Haynes, DM, Indahl, BL, Martin, J, Montesano, F, Mrozinski, E, Nicklas, H, Noyola, E, Odewahn, S, Peterson, A, Prochaska, T, Rostopchin, S, Shetrone, M, Smith, G, Snigula, JM, Spencer, R, Westfall, A, Armandroff, T, Bender, R, Dalton, G, Steinmetz, M