diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 3744e3c..be52a37 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -4,11 +4,11 @@
     "type": "split",
     "children": [
       {
-        "id": "3315871ba65ef140",
+        "id": "f2e5c2c113449b23",
         "type": "tabs",
         "children": [
           {
-            "id": "37b14566e757368b",
+            "id": "0d5f0081d4a8007c",
             "type": "leaf",
             "state": {
               "type": "markdown",
@@ -158,10 +158,11 @@
       "digitalgarden:Digital Garden Publication Center": false
     }
   },
-  "active": "37b14566e757368b",
+  "active": "0d5f0081d4a8007c",
   "lastOpenFiles": [
-    "Excalidraw/Drawing 2023-10-04 12.19.18.excalidraw.md",
+    "4a1s/Excalidraw/ASCN/master.excalidraw.md",
     "4a1s/CP/PL - Aula 4.md",
+    "Excalidraw/Drawing 2023-10-04 12.19.18.excalidraw.md",
     "Images/Pasted image 20231004115725.png",
     "Images/Pasted image 20231004115135.png",
     "Images/Pasted image 20231004115209.png",
@@ -192,7 +193,6 @@
     "4a1s/Excalidraw/RAS",
     "4a1s/Excalidraw/Untitled.md",
     "Excalidraw/doodles.excalidraw.md",
-    "Excalidraw/Drawing 2023-09-27 09.57.48.excalidraw.md",
     "Excalidraw",
     "-.32118",
     "4a1s/ASCN/T",
diff --git a/4a1s/CP/PL - Aula 4.md b/4a1s/CP/PL - Aula 4.md
index 1fba2b0..fc5505c 100644
--- a/4a1s/CP/PL - Aula 4.md	
+++ b/4a1s/CP/PL - Aula 4.md	
@@ -61,21 +61,33 @@ Ganhos de 4 vezes mais.
 conclusion: 20 GFlop/s
 
 #### b)
-peak with vectorization: 20 GFlop/s
-peak without vectorization: 5 GFlop/s
-memory bandwith limitation: 20 GFlop/s
-real achievable performance:
+peak with vectorization: continuous 20 GFlop/s
+peak without vectorization: continuous 5 GFlop/s
+memory bandwith limitation: ***see alinea d)***
+real achievable performance:***see alinea c)***
 measured performance:
 
-#### c)
+#### d)
 memory bandwith limitation
 
 | GFlop/s | Flop/Byte |
 | ------- | --------- |
-| 0.125   |           |
-| 0.25    |           |
+| 0.125   | 2.5       |
+| 0.25    | 5         |
 | 0.5     | 10        |
 | 1       | 20        |
-| 2       |           |
-| 4       |           |
-| 8        |           |
+| 2       | 40        |
+| 4       | 80        |
+| 8       | 160       |
+
+#### c)
+2 FOP (operações vírgula flutuante) -> 2 doubles (16B)
+1 operation/8B -> 0.125
+
+| GFlop/s | Flop/Byte |
+| ------- | --------- |
+| 0.125   | 2.5       |
+
+
+#### d)
+AVX -> 256b -> 4 doubles