20 de Setembro 2023 - #CP > [!note] > As resoluções dos exercícios aqui contidos podem conter erros. Se detetares um problema (e se o souberes resolver) por favor contacta-nos. > [!note] > These resolutions are using the file ***mmult.c*** available and developed by the professors. ## Ex. 1 a) > [!help]- What is the complexity of the MM (i.e., in big O notation, where N is the problem size and NxN is the matrix size)? > O() >[!hint]- Big O Notation Cheat Sheet >- Constant: O(1) >- Linear time: O(n) >- Logarithmic time: O(n log n) >- Quadratic time: O(n^2) >- Exponential time: O(2^n) >- Factorial time: O(n!) >[!help]- What increase in execution time is expected when the N doubles? >[!help]- Which component of the performance equation is affected (e.g., \#I, CPI or Tcc)? >