Ecole Normale Sup´erieure de Lyon ´

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Laboratoire de l’Informatique du Par- all´elisme

Ecole Normale Sup´erieure de Lyon ´

Unit´e Mixte de Recherche CNRS-INRIA-ENS LYON-UCBL n ^o 5668

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Ecole Normale Sup´erieure de ´ Lyon

46 All´ee d’Italie, 69364 Lyon Cedex 07, France

T´el´ephone : +33(0)4.72.72.80.37

T´el´ecopieur : +33(0)4.72.72.80.80

Adresse ´electronique :

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Ecole Normale Sup´erieure de Lyon ´

Laboratoire de l’Informatique du Par- all´elisme

Ecole Normale Sup´erieure de Lyon ´

Unit´e Mixte de Recherche CNRS-INRIA-ENS LYON-UCBL n o 5668

Ecole Normale Sup´erieure de ´ Lyon

46 All´ee d’Italie, 69364 Lyon Cedex 07, France

T´el´ephone : +33(0)4.72.72.80.37

T´el´ecopieur : +33(0)4.72.72.80.80

Adresse ´electronique :

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0 10000 20000 30000 40000 50000 60000

Speed (Mop/s)

Prime

Dot product of a vector with 512 elements on a PIII 993 MHz Classical Overflow trick then switch to a double representation

L S

T Y

X Z

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Unit´e Mixte de Recherche CNRS-INRIA-ENS LYON-UCBL n ^o 5668

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