vault backup: 2023-10-04 12:03:31

.obsidian/workspace.json

@@ -161,11 +161,12 @@
   "active": "98e0287d38212615",
   "lastOpenFiles": [
     "Pasted image 20231004115209.png",
+    "Images/Pasted image 20231004115725.png",
+    "4a1s/CP/PL - Aula 4.md",
     "Images",
     "Images/Pasted image 20231004115135.png",
     "4a1s/CP/PL - Aula 3.md",
     "4a1s/CP/PL - Aula 2.md",
-    "4a1s/CP/PL - Aula 4.md",
     "4a1s/RAS/Projeto.md",
     "4a1s/RAS/T - Aula 3.md",
     "4a1s/index.md",

4a1s/CP/PL - Aula 4.md

@@ -24,9 +24,22 @@ Vai ser vetorizável.
 8B -> 64b
 2 elements
 
+Without vectorization:
+![[Pasted image 20231004115725.png]]
+
+With vectorization:
 ![[Pasted image 20231004115135.png]]
 
-| N   | Version | Time | CPI | \#I | L1_DMiss | Miss/#I |
-| --- | ------- | ---- | --- | --- | -------- | ------- |
-| 512 | base()  |      |     |     |          |         |
-| 51    |         |      |     |     |          |         |
+#### c)
+
+| N   | Version  | Time | CPI | \#I  |
+| --- | -------- | ---- | --- | --- | 
+| 512 | base_v()|  0.492484818    |  0.91   |  1113554887   |   
+| 512 | vect() |  0.081604350    |   2.88  |  578275097   |       
+
+>[!note]- Commands run
+>module load gcc/9.3.0
+>gcc -O2 -ftree-vectorize -msse4 mmult.c
+>srun --partition=cpar perf stat -e cycles,instructions ./a.out
+
+