vector - Department of Computer Science
vector - Department of Computer Science
vector - Department of Computer Science
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Vector Chaining<br />
• Vector version <strong>of</strong> register bypassing<br />
– First in revised Cray-1 ‘79, R peak : 80 MFlops in ‘76 => 160 MFlops in ‘79<br />
LV v1<br />
MULV v3,v1,v2<br />
ADDV v5, v3, v4<br />
Load<br />
Unit<br />
Memory<br />
V<br />
1<br />
Chain<br />
Mult.<br />
3/22-24/11 CSE502-S11, Lec 14+15-Vector 39<br />
V<br />
2<br />
V<br />
3<br />
Chain<br />
V<br />
4<br />
Add<br />
V<br />
5
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