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FDS 5.5.1 Speed test (Windows 2008 R2 Datacenter + Mpich2-1.2.1p1-win-x86-64) Comparison between XEON and Opetron Author: Bartlomiej Woznica

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Presentation on theme: "FDS 5.5.1 Speed test (Windows 2008 R2 Datacenter + Mpich2-1.2.1p1-win-x86-64) Comparison between XEON and Opetron Author: Bartlomiej Woznica"— Presentation transcript:

1 FDS 5.5.1 Speed test (Windows 2008 R2 Datacenter + Mpich2-1.2.1p1-win-x86-64) Comparison between XEON and Opetron Author: Bartlomiej Woznica bartek@stawoz.pl www.stawoz.pl

2 Tested Systems: DELL R815 -4x AMD Opetron 6174 2.2 GHz (12MB cache) -PERC 7, 4x SAS 146 GB300GB 10k rpm (RAID 5) -128 GB RAM DDR3 1333MHz (32x4GB) DELL R910 - 4x XEON7560@2.26GHz 24M cache -256 GB RAM DDR3 1066MHz (64x4GB) -PERC H700, 2x SAS 300GB 10k rpm (RAID 0)

3 FDS input for servers Total dimension 16m x 16m x 12m Grid 3.3(3) cm 82 944 000 cells total 48 MESHes for AMD 64 and 32 (without HT) MESHes for XEON Simulation time 60 sec HRRPUA 1000 kw (&RAMP 0s=0.1, 10s=0.8,40s=1) Output: slice, devc and isof &REAC ID = 'wood' VISIBILITY_FACTOR=8 SOOT_YIELD = 0.017 C = 8. O=4 N=0 HEAT_OF_COMBUSTION = 23000. IDEAL =.TRUE. H = 9. Full input files: www.stawoz.pl/FDS_speed_test.zipwww.stawoz.pl/FDS_speed_test.zip

4 4xXEON HT ON (64 Threads) 64 MESHes 1 MESH is 4m x 4m x 3m Number if cells in one MESH: 120x120x90 = 1 296 000 Total number of cells: 82 944 000 One cell is 3.3(3) cm x 3.3(3) cm x 3.3(3) cm

5 4xXEON HT ON (64 Threads) Memory allocation: Time Steps: 24427 Total Elapsed Wall Clock Time (s): 600717.197 (166h 51m)

6 4xXEON HT OFF (32 Threads) 32 MESHes 1 MESH is 4m x 4m x 6m Number if cells in one MESH: 120x120x180 = 2 592 000 Total number of cells: 82 944 000 One cell is 3.3(3) cm x 3.3(3) cm x 3.3(3) cm

7 4xXEON HT OFF (32 Threads) Memory allocation: 69 802.8 MB RAM Time Steps: 24035 Total Elapsed Wall Clock Time (s): 532766.925 (148h)

8 4xOpetron (48 Threads) 48 MESHes 1 MESH is 4m x 4m x 4m Number if cells in one MESH: 120x120x120 = 1 728 000 Total number of cells: 82 944 000 One cell is 3.3(3) cm x 3.3(3) cm x 3.3(3) cm

9 4xOpetron (48 Threads) Memory allocation: 77 722.8 MB Time Steps: 24162 Total Elapsed Wall Clock Time (s): 748243 (207h)

10 Summary HT onHT offAMD Time [h]167148207 Time [s]600717532766748243 Steps:244272403524162 Time [s] / 1 step24.5923422.1662630.96776


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