Task 992975995
| Name | de_nbody_orbit_fitting_11_15_2024_v186_OCS__data__24_1731512748_776800_0 |
| Workunit | 992960092 |
| Created | 22 Nov 2024, 15:30:26 UTC |
| Sent | 22 Nov 2024, 15:34:25 UTC |
| Report deadline | 4 Dec 2024, 15:34:25 UTC |
| Received | 23 Nov 2024, 10:53:05 UTC |
| Server state | Over |
| Outcome | Success |
| Client state | Done |
| Exit status | 0 (0x00000000) |
| Computer ID | 1016367 |
| Run time | 20 min 5 sec |
| CPU time | 1 hours 27 min 55 sec |
| Validate state | Valid |
| Credit | 101.15 |
| Device peak FLOPS | 39.56 GFLOPS |
| Application version | Milkyway@home N-Body Simulation with Orbit Fitting v1.87 (mt) windows_x86_64 |
| Peak working set size | 21.22 MB |
| Peak swap size | 16.76 MB |
| Peak disk usage | 7.71 MB |
Stderr output
<core_client_version>8.0.2</core_client_version> <![CDATA[ <stderr_txt> <search_application> milkyway_nbody 1.86 Windows x86_64 double OpenMP, Crlibm </search_application> Using OpenMP 8 max threads on a system with 8 processors Running MilkyWay@home Nbody v1.86 Optimal Softening Length = 0.000194104895035 kpc Dwarf Initial Position: [18.601022702478339,-73.633404227388311,17.296941278531619] Dwarf Initial Velocity: [9.080113492657022,-44.732620881748055,7.942878060604868] Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 Running MilkyWay@home Nbody v1.86 <search_likelihood>-613.743894160480863</search_likelihood> <search_likelihood_EMD>-251.111962283192724</search_likelihood_EMD> <search_likelihood_Mass>-0.115781887435981</search_likelihood_Mass> <search_likelihood_Beta>-100.016149989852153</search_likelihood_Beta> <search_likelihood_BetaAvg>-87.500000000000000</search_likelihood_BetaAvg> <search_likelihood_VelAvg>-87.500000000000000</search_likelihood_VelAvg> <search_likelihood_Dist>-87.500000000000000</search_likelihood_Dist> strftime() failed called boinc_finish(0) </stderr_txt> ]]>
©2024 Astroinformatics Group