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Zhihui Du, “MPI Parallel Programming“,Tsinghua University

Zhihui Du, “MPI Parallel Programming“,Tsinghua University

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12.2.3 DataGrid<br />

30-50 ~150<br />

<br />

LHC<br />

<br />

<br />

DataGrid <br />

<br />

<br />

<br />

<br />

<br />

System<br />

Online System<br />

<br />

Online<br />

Regional<br />

Italy Germany France Regional<br />

<br />

Regional<br />

<br />

Centre<br />

Centre<br />

Centre<br />

<br />

Institute<br />

Institute <br />

<br />

<br />

Institute<br />

~0.25TIPS<br />

~0.25TIPS<br />

<br />

~PBytes/sec<br />

Mbits/sec<br />

~622 Mbits/sec<br />

~622<br />

Mbits/sec<br />

~622 Mbits/sec<br />

~622<br />

MBytes/sec<br />

~1 MBytes/sec<br />

~1<br />

<br />

<br />

Institute<br />

<br />

154<br />

MBytes/sec<br />

~100 MBytes/sec<br />

~100<br />

<br />

<br />

Caltech <br />

~1 TIPS ~1 TIPS<br />

~1<br />

<br />

Processor Farm<br />

<br />

Offline<br />

TIPS<br />

~20<br />

MBytes/sec<br />

~100 MBytes/sec<br />

~100<br />

Computer Centre<br />

CERN <br />

CERN<br />

~4 TIPS<br />

FermiLab ~4 TIPS<br />

FermiLab<br />

Mbits/sec<br />

~622 Mbits/sec<br />

~622<br />

Centre<br />

Tier2 Centre<br />

Centre<br />

Tier2 Centre<br />

Centre<br />

<br />

Tier2 Tier2<br />

Tier2 Tier2 Centre<br />

<br />

Tier2 Tier2 Centre<br />

Centre<br />

<br />

~1 TIPS<br />

~1 TIPS ~1 TIPS<br />

~1 TIPS ~1 TIPS<br />

~1 TIPS ~1 TIPS<br />

TIPS ~1 TIPS ~1 TIPS ~1 TIPS ~1 TIPS ~1<br />

12-2 DataGrid <br />

DataGrid 12-2 [47]<br />

PB/s <br />

20<br />

100MB/s 100MB/s DataGrid <br />

<br />

<br />

CERN<br />

1MB/s<br />

<br />

<br />

[46]<br />

DataGrid<br />

DataGridPB<br />

1<br />

Tb/s<br />

<br />

1%10%<br />

2<br />

<br />

<br />

3

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