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Copy pathcache_sim.c
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195 lines (149 loc) · 7.66 KB
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cache_block.h"
#include "parse.h"
int main(int argc, char *argv[]){
FILE *trace_file = fopen("gcc_trace.txt", "r");
if (trace_file == NULL) {
printf("Error opening file.\n");
return 1;
}
if (argc != 8) {
printf("Usage: <l1_size> <l1_assoc> <l1_block_size> <l1_vc_num_blocks> <l2_size> <l2_assoc> <policy> \n");
return 1;
}
srand(12345);
int assoc = atoi(argv[2]);
int size = atoi(argv[1]);
int block_size = atoi(argv[3]);
int vc_num_blocks=atoi(argv[4]);
int vc_enable =0 ;
//if (vc_num_blocks>0){vc_enable=1;}
int assoc_l2=atoi(argv[6]);
int size_l2=atoi(argv[5]);
int policy=atoi(argv[7]);
int block_size_l2=block_size;
Cache_block L1;
Cache_block L1_results;
int num_sets=(size / (block_size * assoc));
L1_results.read_hits=0;
L1_results.read_miss=0;
L1_results.write_hits=0;
L1_results.write_miss=0;
L1_results.swap_requests=0;
L1_results.no_swaps=0;
L1_results.wb=0;
int cache[num_sets][assoc];
int counters[num_sets][assoc];
int dirty[num_sets][assoc];
int vc[vc_num_blocks];
int vc_counter[vc_num_blocks];
int vc_dirty[vc_num_blocks];
int plru_tree[num_sets][assoc-1];
int x=0;
initialize_cache(assoc,num_sets,vc_num_blocks,block_size,cache,counters,dirty,vc,vc_counter,vc_dirty,policy, plru_tree);
Cache_block L2;
Cache_block L2_results;
int num_sets_l2=0;
if (size_l2 !=0){num_sets_l2=(size_l2 / (block_size_l2 * assoc_l2));}
int vc_num_blocks_l2=0;
int vc_enable_l2=0;
L2_results.read_hits=0;
L2_results.read_miss=0;
L2_results.write_hits=0;
L2_results.write_miss=0;
L2_results.swap_requests=0;
L2_results.no_swaps=0;
L2_results.wb=0;
int cache_[num_sets_l2][assoc_l2];
int counters_[num_sets_l2][assoc_l2];
int dirty_[num_sets_l2][assoc_l2];
int vc_[vc_num_blocks_l2];
int vc_counter_[vc_num_blocks_l2];
int vc_dirty_[vc_num_blocks_l2];
int plru_tree_2[num_sets_l2][assoc_l2-1];
int y=0;
initialize_cache(assoc_l2,num_sets_l2,vc_num_blocks_l2,block_size_l2,cache_,counters_,dirty_,vc_,vc_counter_,vc_dirty_,policy,plru_tree_2);
char operation;
unsigned int address;
while (fscanf(trace_file, "%c %x\n", &operation, &address) != EOF){
L1=cache_block(assoc,num_sets, vc_num_blocks, block_size,operation,address,vc_enable,cache,counters,dirty,vc,vc_counter,vc_dirty,policy,plru_tree,&x) ;
L1_results.read_hits+=L1.read_hits;
L1_results.read_miss+=L1.read_miss;
L1_results.write_hits+=L1.write_hits;
L1_results.write_miss+=L1.write_miss;
L1_results.swap_requests+=L1.swap_requests;
L1_results.no_swaps+=L1.no_swaps;
L1_results.wb+=L1.wb;
char op;
if ((L1.read_miss+L1.write_miss-L1.no_swaps==1 || L1.wb==1) & (size_l2 !=0)){
if (L1.read_miss==1 || L1.write_miss==1){op='r';}
L2=cache_block(assoc_l2,num_sets_l2, vc_num_blocks_l2, block_size_l2,op,address,0,cache_,counters_,dirty_,vc_,vc_counter_,vc_dirty_,policy,plru_tree_2,&y) ;
L2_results.read_hits+=L2.read_hits;
L2_results.read_miss+=L2.read_miss;
L2_results.write_hits+=L2.write_hits;
L2_results.write_miss+=L2.write_miss;
L2_results.wb+=L2.wb;
if (L1.wb==1){
op='w';
address=L1.wb_address;
L2=cache_block(assoc_l2,num_sets_l2, vc_num_blocks_l2, block_size_l2,op,address,0,cache_,counters_,dirty_,vc_,vc_counter_,vc_dirty_,policy,plru_tree_2,&y) ;
L2_results.read_hits+=L2.read_hits;
L2_results.read_miss+=L2.read_miss;
L2_results.write_hits+=L2.write_hits;
L2_results.write_miss+=L2.write_miss;
L2_results.wb+=L2.wb;
}
}
}
printf("===== Simulator configuration =====\n");
printf("L1_SIZE :%d \n",size);
printf("L1_ASSOC :%d \n",assoc);
printf("L1_BLOCKSIZE :%d \n",block_size);
printf("VC_NUM_BLOCKS:%d \n",vc_num_blocks);
printf("L2_SIZE :%d \n",size_l2);
printf("L2_ASSOC :%d \n",assoc_l2);
printf("TRACE_FILE :gcc_trace.txt \n\n");
printf("===== L1 contents =====\n");
print_cache(num_sets,assoc,cache,dirty);
printf("\n");
if (vc_enable==1){
print_vc(vc_num_blocks,vc,vc_dirty);
printf("\n");
}
if (size_l2!=0){
printf("===== L2 contents =====\n");
print_cache(num_sets_l2,assoc_l2,cache_,dirty_);
printf("\n");
}
fclose(trace_file);
printf("===== Simulation results (raw) =====\n");
float sum=(L1_results.read_hits+L1_results.read_miss+L1_results.write_hits+L1_results.write_miss);
float combined_miss_rate=(L1_results.read_miss+L1_results.write_miss-L1_results.no_swaps)/sum;
float swap_req_rate=(L1_results.swap_requests/sum);
int tmt;
if (size_l2 ==0){tmt=L1_results.read_miss+L1_results.write_miss-L1_results.no_swaps+L1_results.wb;}
else{tmt=L2_results.read_miss+L2_results.write_miss+L2_results.wb;}
float s=L2_results.read_hits+L2_results.read_miss;
float L2_miss_rate=L2_results.read_miss/s;
if (size_l2==0){L2_miss_rate=0;}
printf("a. number of L1 reads : %d \n",L1_results.read_hits+L1_results.read_miss);
printf("b. number of L1 read misses : %d \n",L1_results.read_miss);
printf("c. number of L1 writes : %d \n",L1_results.write_hits+L1_results.write_miss);
printf("d. number of L1 write misses : %d \n",L1_results.write_miss);
printf("e. number of swap requests : %d \n",L1_results.swap_requests);
printf("f. swap request rate : %4f \n",swap_req_rate);
printf("g. number of swaps : %d \n",L1_results.no_swaps);
printf("h. combined L1+VC miss rate : %f \n",combined_miss_rate);
printf("i. number of write backs from L1/VC : %d \n",L1_results.wb);
printf("j. number of L2 reads : %d \n",L2_results.read_hits+L2_results.read_miss);
printf("k. number of L2 read misses : %d \n",L2_results.read_miss);
printf("l. number of L2 writes : %d \n",L2_results.write_hits+L2_results.write_miss);
printf("m. number of L2 write misses : %d \n",L2_results.write_miss);
printf("n. L2 miss rate : %f \n",L2_miss_rate);
printf("o. number of write backs from L2 : %d \n",L2_results.wb);
printf("p. Total memory traffic : %d \n",tmt);
printf("%d %d %d %d %d %d %f %f %f %d %d %d %d %d %d %d %d %d %d %d %d %d %d",size, block_size, assoc,vc_num_blocks,size_l2,assoc_l2,swap_req_rate,combined_miss_rate,L2_miss_rate,L1_results.read_hits+L1_results.read_miss,L1_results.write_hits+L1_results.write_miss,L1_results.read_miss,L1_results.write_miss,L2_results.read_hits+L2_results.read_miss,L2_results.write_hits+L2_results.write_miss,L2_results.read_miss,L2_results.write_miss,L1_results.no_swaps,L1_results.wb,L2_results.wb,tmt,L1_results.swap_requests);
return 0;
}