Question $6$

$3$ points

$6.(3$ marks$)$

The sum of a $200200$ matrix $($total $40000$ numbers$)$ of floating point numbers is calculated using a parallel program that runs on $100$ processors on a multicore. A single floating point addition of two numbers takes $3\mathrm{.}7$ micro seconds.

a$)$ What is the time if a Single processor is used

b$)$ Using Amadhls formula what is the execution time of calculating this sum if each of the $100$ processors gets an equal balanced work load.

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