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homework5
邓博昊 11 months ago
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  1. +19
    -0
      Makefile
  2. +27
    -0
      README
  3. +83
    -0
      cachelab.c
  4. +37
    -0
      cachelab.h
  5. BIN
      csim-ref
  6. +7
    -0
      csim.c
  7. BIN
      test-csim
  8. +5
    -0
      traces/dave.trace
  9. +267988
    -0
      traces/long.trace
  10. +596
    -0
      traces/trans.trace
  11. +7
    -0
      traces/yi.trace
  12. +16
    -0
      traces/yi2.trace

+ 19
- 0
Makefile View File

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#
# Student makefile for Cache Lab
# Note: requires a 64-bit x86-64 system
#
CC = gcc
CFLAGS = -g -Wall -Werror -std=c99 -m64
all: csim
csim: csim.c cachelab.c cachelab.h
$(CC) $(CFLAGS) -o csim csim.c cachelab.c -lm
#
# Clean the src dirctory
#
clean:
rm -rf *.o
rm -f *.tar
rm -f csim

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- 0
README View File

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This is the handout directory for the CS:APP Cache Lab.
************************
Running the autograders:
************************
Before running the autograders, compile your code:
linux> make
Check the correctness of your simulator:
linux> ./test-csim
******
Files:
******
# You will modifying and handing in the file
csim.c Your cache simulator
# Tools for evaluating your simulator and transpose function
Makefile Builds the simulator and tools
README This file
cachelab.c Required helper functions
cachelab.h Required header file
csim-ref* The executable reference cache simulator
test-csim* Tests your cache simulator
traces/ Trace files used by test-csim.c

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cachelab.c View File

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/*
* cachelab.c - Cache Lab helper functions
*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "cachelab.h"
#include <time.h>
trans_func_t func_list[MAX_TRANS_FUNCS];
int func_counter = 0;
/*
* printSummary - Summarize the cache simulation statistics. Student cache simulators
* must call this function in order to be properly autograded.
*/
void printSummary(int hits, int misses, int evictions)
{
printf("hits:%d misses:%d evictions:%d\n", hits, misses, evictions);
FILE* output_fp = fopen(".csim_results", "w");
assert(output_fp);
fprintf(output_fp, "%d %d %d\n", hits, misses, evictions);
fclose(output_fp);
}
/*
* initMatrix - Initialize the given matrix
*/
void initMatrix(int M, int N, int A[N][M], int B[M][N])
{
int i, j;
srand(time(NULL));
for (i = 0; i < N; i++){
for (j = 0; j < M; j++){
// A[i][j] = i+j; /* The matrix created this way is symmetric */
A[i][j]=rand();
B[j][i]=rand();
}
}
}
void randMatrix(int M, int N, int A[N][M]) {
int i, j;
srand(time(NULL));
for (i = 0; i < N; i++){
for (j = 0; j < M; j++){
// A[i][j] = i+j; /* The matrix created this way is symmetric */
A[i][j]=rand();
}
}
}
/*
* correctTrans - baseline transpose function used to evaluate correctness
*/
void correctTrans(int M, int N, int A[N][M], int B[M][N])
{
int i, j, tmp;
for (i = 0; i < N; i++){
for (j = 0; j < M; j++){
tmp = A[i][j];
B[j][i] = tmp;
}
}
}
/*
* registerTransFunction - Add the given trans function into your list
* of functions to be tested
*/
void registerTransFunction(void (*trans)(int M, int N, int[N][M], int[M][N]),
char* desc)
{
func_list[func_counter].func_ptr = trans;
func_list[func_counter].description = desc;
func_list[func_counter].correct = 0;
func_list[func_counter].num_hits = 0;
func_list[func_counter].num_misses = 0;
func_list[func_counter].num_evictions =0;
func_counter++;
}

+ 37
- 0
cachelab.h View File

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/*
* cachelab.h - Prototypes for Cache Lab helper functions
*/
#ifndef CACHELAB_TOOLS_H
#define CACHELAB_TOOLS_H
#define MAX_TRANS_FUNCS 100
typedef struct trans_func{
void (*func_ptr)(int M,int N,int[N][M],int[M][N]);
char* description;
char correct;
unsigned int num_hits;
unsigned int num_misses;
unsigned int num_evictions;
} trans_func_t;
/*
* printSummary - This function provides a standard way for your cache
* simulator * to display its final hit and miss statistics
*/
void printSummary(int hits, /* number of hits */
int misses, /* number of misses */
int evictions); /* number of evictions */
/* Fill the matrix with data */
void initMatrix(int M, int N, int A[N][M], int B[M][N]);
/* The baseline trans function that produces correct results. */
void correctTrans(int M, int N, int A[N][M], int B[M][N]);
/* Add the given function to the function list */
void registerTransFunction(
void (*trans)(int M,int N,int[N][M],int[M][N]), char* desc);
#endif /* CACHELAB_TOOLS_H */

BIN
csim-ref View File


+ 7
- 0
csim.c View File

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#include "cachelab.h"
int main()
{
printSummary(0, 0, 0);
return 0;
}

BIN
test-csim View File


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traces/dave.trace View File

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L 10,4
S 18,4
L 20,4
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S 50,4

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traces/long.trace
File diff suppressed because it is too large
View File


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traces/trans.trace View File

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