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Kahn Process Networks and a Reactive Extension - Lorentz Center

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59 Scenario-Aware DataFlow (SADF)<br />

H.263 Decoder Model<br />

Control channel<br />

Parameterized<br />

rate<br />

Detector<br />

...<br />

1<br />

1 d d<br />

VLD IDCT<br />

a<br />

Fixed rate<br />

c c b 1<br />

1 e<br />

1 1 1<br />

1<br />

FD MC<br />

RC<br />

1<br />

1<br />

1 1<br />

I P 99 P 99<br />

P 0<br />

3<br />

1<br />

d<br />

Kernel<br />

Data<br />

channel<br />

Rate I P x P 0<br />

a 0 1 0<br />

b 0 x 0<br />

c 99 x 1<br />

d 1 1 0<br />

e 99 x 0<br />

challenges models kpn rpn<br />

the hierarchy the future<br />

x={30,40,50,60,70,80,99}<br />

VLD<br />

IDCT<br />

MC<br />

RC<br />

Execution time<br />

P 0<br />

0<br />

others 40<br />

P 0<br />

0<br />

others 17<br />

I, P 0<br />

P 30<br />

P 40<br />

0<br />

90<br />

145<br />

P 190<br />

P 50<br />

P 60<br />

P 70<br />

P 80<br />

P 99<br />

235<br />

265<br />

310<br />

390<br />

I 350<br />

P 0<br />

P 30, P 40, P 50<br />

P 60<br />

P 70, P 80, P 99<br />

0<br />

250<br />

300<br />

320<br />

FD All 0

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