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LEZIONE #05 del 12-Mag-2008 (2 ore) - Dipartimento di Ingegneria ...

LEZIONE #05 del 12-Mag-2008 (2 ore) - Dipartimento di Ingegneria ...

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Prestazioni dei pre<strong>di</strong>ttori: mispred.rate vs. <strong>di</strong>m.<br />

Con<strong>di</strong>tional branch mispre<strong>di</strong>ction rate<br />

10%<br />

9%<br />

8%<br />

7%<br />

6%<br />

5%<br />

4%<br />

3%<br />

2%<br />

1%<br />

0%<br />

Roberto Giorgi, Universita’ <strong>di</strong> Siena, C208L05, Slide 27<br />

P6<br />

Benchmark Suite: SPEC89<br />

Local<br />

Correlating<br />

Tournament<br />

0 8 16 24 32 40 48 56 64 72 80 88 96 104 1<strong>12</strong> <strong>12</strong>0 <strong>12</strong>8<br />

Branch Pre<strong>di</strong>ction case study<br />

Roberto Giorgi, Universita’ <strong>di</strong> Siena, C208L01, Slide 28<br />

Total pre<strong>di</strong>ctor size (Kbits)<br />

Grafico da [Hennessy02]

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