2023-10-04 11:13:31 +01:00
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4 de Outubro 2023 - #CP
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## Ex. 2
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2023-10-04 11:23:31 +01:00
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#### a) Limitações vetoriais
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A -> consecutive elements in a row -> consecutive access in the vector
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C -> same element
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B -> consecutive elements in a collumn
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Não vai ser vetorizável.
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#### b)
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2023-10-04 11:33:31 +01:00
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result of change cycles to i, k , j :
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2023-10-04 11:43:31 +01:00
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A -> same element
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2023-10-04 11:33:31 +01:00
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C -> consecutive elements in a row -> consecutive access in the vector
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B -> consecutive elements in a row -> consecutive access in the vector
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i k j
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0 0 1
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2023-10-04 11:43:31 +01:00
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Vai ser vetorizável.
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128b
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8B -> 64b
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2 elements
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2023-10-04 11:53:31 +01:00
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![[Pasted image 20231004115135.png]]
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| N | Version | Time | CPI | \#I | L1_DMiss | Miss/#I |
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| --- | ------- | ---- | --- | --- | -------- | ------- |
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| 512 | base() | | | | | |
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| 51 | | | | | | |
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