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Repo management & code cleanup

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This commit is contained in:
Isaac Shoebottom 2023-11-25 22:32:34 -04:00
parent 7a3a6bd256
commit f8cbf9f064
13 changed files with 69 additions and 188 deletions
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2
Assignment7/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
student_out\*.out
a.out

7
Assignment7/.idea/runConfigurations/Test1.xml Normal file
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@ -0,0 +1,7 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Test1" type="CLionNativeAppRunConfigurationType" PROGRAM_PARAMS="3" REDIRECT_INPUT="true" REDIRECT_INPUT_PATH="$PROJECT_DIR$/in/algo-check.in" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="Assignment7" TARGET_NAME="all" CONFIG_NAME="all" version="1" RUN_PATH="$PROJECT_DIR$/a.out">
<method v="2">
<option name="CLION.COMPOUND.BUILD" enabled="true" />
</method>
</configuration>
</component>

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Assignment7/a.out
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39
Assignment7/code/main.c
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@ -1,6 +1,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <stdbool.h> #include <stdbool.h>
#define OFFSETBITS 12 #define OFFSETBITS 12
#define PAGESIZE (1 << OFFSETBITS) #define PAGESIZE (1 << OFFSETBITS)
#define PAGETABLEBITS 10 #define PAGETABLEBITS 10
@ -11,8 +12,6 @@ unsigned int pageHits = 0;
unsigned int pagesSwapped = 0; unsigned int pagesSwapped = 0;
int time = 0; int time = 0;
typedef struct frameEntry { typedef struct frameEntry {
unsigned int pageNumber; unsigned int pageNumber;
int lastUsed; int lastUsed;
@ -56,6 +55,8 @@ int isInFrames(int pageNumber){
return -1; return -1;
} }
// Swap out the least recently used frame
// Returns the index of the frame that was swapped out
int swapOut() { int swapOut() {
// Find the least recently used frame // Find the least recently used frame
int leastRecentlyUsed = 0x7FFFFFFF; int leastRecentlyUsed = 0x7FFFFFFF;
@ -67,6 +68,7 @@ int swapOut(){
} }
} }
// Swap out is implied, so we increment pageSwapped // Swap out is implied, so we increment pageSwapped
// If the frame is dirty, we need to write it to disk, so we increment pagesSwapped
if (frames[leastRecentlyUsedIndex].dirty) { if (frames[leastRecentlyUsedIndex].dirty) {
pagesSwapped++; pagesSwapped++;
} }
@ -74,6 +76,8 @@ int swapOut(){
return leastRecentlyUsedIndex; return leastRecentlyUsedIndex;
} }
// Swap in a page
// Returns the index of the frame that was swapped in
int swapIn(int pageNumber) { int swapIn(int pageNumber) {
// Find the first empty frame // Find the first empty frame
for (int i = 0; i < framesSize; i++) { for (int i = 0; i < framesSize; i++) {
@ -90,28 +94,26 @@ int swapIn(int pageNumber){
return frameID; return frameID;
} }
// Read from an address
void readFromAddress(unsigned long logicalAddress) { void readFromAddress(unsigned long logicalAddress) {
unsigned int pageNumber = getPageNumber(logicalAddress); unsigned int pageNumber = getPageNumber(logicalAddress);
int frameID = isInFrames(pageNumber); int frameID = isInFrames(pageNumber);
if (isInFrames(pageNumber) == -1) { if (isInFrames(pageNumber) == -1) {
frameID = swapIn(pageNumber); frameID = swapIn(pageNumber);
} } else {
else{
pageHits++; pageHits++;
} }
frames[frameID].lastUsed = time; frames[frameID].lastUsed = time;
printPhysicalAddress(frameID, logicalAddress); printPhysicalAddress(frameID, logicalAddress);
} }
// Write to an address, only difference is that we set the dirty bit to true
void writeToAddress(unsigned long logicalAddress) { void writeToAddress(unsigned long logicalAddress) {
unsigned int pageNumber = getPageNumber(logicalAddress); unsigned int pageNumber = getPageNumber(logicalAddress);
int frameID = isInFrames(pageNumber); int frameID = isInFrames(pageNumber);
if (isInFrames(pageNumber) == -1) { if (isInFrames(pageNumber) == -1) {
frameID = swapIn(pageNumber); frameID = swapIn(pageNumber);
} } else {
else{
pageHits++; pageHits++;
} }
frames[frameID].dirty = true; frames[frameID].dirty = true;
@ -121,7 +123,7 @@ void writeToAddress(unsigned long logicalAddress){
int main(int argc, char **argv) { int main(int argc, char **argv) {
//Disable printf buffering //Disable printf buffering for easier debugging
setbuf(stdout, NULL); setbuf(stdout, NULL);
framesSize = atoi(argv[1]); framesSize = atoi(argv[1]);
@ -135,19 +137,20 @@ int main(int argc, char** argv){
unsigned long logicalAddress; unsigned long logicalAddress;
char operation; char operation;
printf("Logical addresses -> Physical addresses:\n"); printf("Logical addresses -> Physical addresses:\n");
while(EOF != scanf("%c %lu\n",&operation,&logicalAddress) ) while (EOF != scanf("%c %lu\n", &operation, &logicalAddress)) {
{ if (operation == 'r') {
if (operation == 'r')
{
readFromAddress(logicalAddress); readFromAddress(logicalAddress);
} } else {
else
{
writeToAddress(logicalAddress); writeToAddress(logicalAddress);
} }
time++; time++;
} }
printf("\nStats:\nmajor page faults = %u\npage hits = %u\npages swapped out = %u\nEffective Access Time = %.3lf\n",pageFault,pageHits,pagesSwapped, computeFormula()); printf("\nStats:\nmajor page faults = %u\npage hits = %u\npages swapped out = %u\nEffective Access Time = %.3lf\n",
return 0; pageFault,
pageHits,
pagesSwapped,
computeFormula()
);
return EXIT_SUCCESS;
} }

14
Assignment7/student_out/algo-check-o-l.out
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@ -1,14 +0,0 @@
Logical addresses -> Physical addresses:
1124955998 -> 1886
794845611 -> 4523
1540976830 -> 8382
1081961846 -> 3446
1124957700 -> 7684
794845440 -> 8448
1540976645 -> 5
Stats:
major page faults = 7
page hits = 0
pages swapped out = 0
Effective Access Time = 1000.000

15
Assignment7/student_out/discard-test-1.out
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@ -1,15 +0,0 @@
Logical addresses -> Physical addresses:
1622650073 -> 3289
1144108930 -> 1922
101027544 -> 3800
1784484492 -> 652
823378840 -> 920
197493099 -> 363
1954899097 -> 1177
530511967 -> 2143
Stats:
major page faults = 8
page hits = 0
pages swapped out = 0
Effective Access Time = 1000.000

15
Assignment7/student_out/discard-test-2.out
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@ -1,15 +0,0 @@
Logical addresses -> Physical addresses:
1622650073 -> 3289
1144108930 -> 6018
101027544 -> 3800
1784484492 -> 4748
823378840 -> 920
197493099 -> 4459
1954899097 -> 1177
530511967 -> 6239
Stats:
major page faults = 8
page hits = 0
pages swapped out = 0
Effective Access Time = 1000.000

14
Assignment7/student_out/fromText.out
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@ -1,14 +0,0 @@
Logical addresses -> Physical addresses:
1124955998 -> 1886
794845611 -> 4523
1540976830 -> 8382
1081961846 -> 3446
1124957700 -> 7684
794845440 -> 8448
1540976645 -> 5
Stats:
major page faults = 7
page hits = 0
pages swapped out = 1
Effective Access Time = 1285.714

15
Assignment7/student_out/major-test-1.out
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@ -1,15 +0,0 @@
Logical addresses -> Physical addresses:
1622650073 -> 3289
1144108930 -> 1922
101027544 -> 3800
1784484492 -> 652
823378840 -> 920
197493099 -> 363
1954899097 -> 1177
530511967 -> 2143
Stats:
major page faults = 8
page hits = 0
pages swapped out = 7
Effective Access Time = 2750.000

15
Assignment7/student_out/major-test-2.out
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@ -1,15 +0,0 @@
Logical addresses -> Physical addresses:
1622650073 -> 3289
1144108930 -> 6018
101027544 -> 3800
1784484492 -> 4748
823378840 -> 920
197493099 -> 4459
1954899097 -> 1177
530511967 -> 6239
Stats:
major page faults = 8
page hits = 0
pages swapped out = 6
Effective Access Time = 2500.000

15
Assignment7/student_out/page-hit-test.out
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@ -1,15 +0,0 @@
Logical addresses -> Physical addresses:
1725896583 -> 1927
1725896583 -> 1927
1725898287 -> 3631
1725894961 -> 305
1725896008 -> 1352
1725898705 -> 4049
1725898485 -> 3829
1725897033 -> 2377
Stats:
major page faults = 1
page hits = 7
pages swapped out = 0
Effective Access Time = 133.750

14
Assignment7/student_out/sample_output.out
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@ -1,14 +0,0 @@
Logical addresses -> Physical addresses:
1124955998 -> 1886
794845611 -> 4523
1540976830 -> 8382
1124957700 -> 3588
1081961846 -> 7542
794845440 -> 8448
1540976645 -> 5
Stats:
major page faults = 6
page hits = 1
pages swapped out = 0
Effective Access Time = 858.571

14
Assignment7/student_out/sample_output_2.out
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@ -1,14 +0,0 @@
Logical addresses -> Physical addresses:
1124955998 -> 1886
794845611 -> 4523
1540976830 -> 8382
1124957700 -> 3588
1081961846 -> 7542
794845440 -> 8448
1540976645 -> 5
Stats:
major page faults = 6
page hits = 1
pages swapped out = 3
Effective Access Time = 1715.714