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Alice 2023-09-27 12:21:53 +01:00
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4a1s/CP/PL - Aula 3.md
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@ -27,15 +27,31 @@ double -> 8
### d) ### d)
| N | Version | Time | CPI | \#I| L1_DMiss (estimated) | L1_DMiss | | | N | Version | Time | CPI | \#I| L1_DMiss (estimated) | L1_DMiss | Miss/\#I |
| --------- | --- | --- | -------- | ----------- | ---------- | -------------- | ---------- | ------ | ------ | | --------- | --- | --- | -------- | ----------- | ---------- | -------------- | ---------- |
| 512 | base() | | 1 | 0 | 1 | 1 | 0 | 0 | 1 | | 512 | base() | | 1 | 0 | 1 | 1 | 0 |
| 512 | transp() | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | | 512 | transp() | 0 | 1 | 0 | 0 | 1 | 1 |
512x512x8 = 2 MB 512x512x8 = 2 MB
512x8 = 4KB 512x8 = 4KB
Impacto (n=512): **Base: (n=512):**
- C -> n² / 8 = 32 - C -> n² / 8 = 262144
- A -> n² / 8 - A -> n³ / 8 = 16777216
- B -> n³ ( 8) - B -> n³ ( 8) = 16777216
- Total =
**Transp: Impacto (n=512):**
- C -> n² / 8 = 262144
- A -> n² / 8 = 262144
- B -> n³ ( 8) = 16777216
- Total = 17072128
>[!note]- Commands run
>srun --partition=cpar perf stat -e L1-dcache-load-misses -M cpi ./b.out
### e)
### f)
## Ex. 2