1. Assume that we are going to compute C on both a single-core shared-memory machine and a four-core shared-memory machine. Compute the speed-up we would expect to obtain on the four-core machine, ignoring any memory issues.
2. Repeat Exercise 6.6.1, assuming that updates to C incur a cache miss due to false sharing when consecutive elements are in a row (i.e., index i) are updated.
Assume that we are going to compute C on both a single-core shared-memory machine and a four-core shared-memory machine. Compute the speed-up we would expect to obtain on the four-core machine, ignoring any memory issues.
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