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SHD-CacheAttackLab
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modified following the tips

This commit is contained in:
ClF3 2024-11-04 15:33:53 +08:00
parent aa89420f1f
commit 18f0b76f2e
1 changed files with 10 additions and 3 deletions
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13
Part1-Timing/main.c
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@ -11,7 +11,9 @@
#define L1_SIZE 768*1024 #define L1_SIZE 768*1024
#define L2_SIZE 16*1024*1024 #define L2_SIZE 16*1024*1024
#define L3_SIZE 64*1024*1024 #define L3_SIZE 64*1024*1024
#define BUFF_SIZE 16*1024*1024 #define REDUNDANCY 2
#define BUFF_SIZE REDUNDANCY*16*1024*1024
#define REPEAT 10
int main (int ac, char **av) { int main (int ac, char **av) {
@ -69,9 +71,12 @@ int main (int ac, char **av) {
// Step 1: bring the target cache line into L1 by simply accessing // Step 1: bring the target cache line into L1 by simply accessing
// the line // the line
tmp = target_buffer[0]; tmp = target_buffer[0];
for(int j=0; j<L1_SIZE/LINE_SIZE; j++){ for(int k=0; k<REPEAT; k++){
for(int j=0; j<REDUNDANCY*L1_SIZE/LINE_SIZE; j++){
tmp = eviction_buffer[j*LINE_SIZE]; tmp = eviction_buffer[j*LINE_SIZE];
} }
}
// Step 2: measure the access latency // Step 2: measure the access latency
l2_latency[i] = measure_one_block_access_time((uint64_t)target_buffer); l2_latency[i] = measure_one_block_access_time((uint64_t)target_buffer);
@ -85,9 +90,11 @@ int main (int ac, char **av) {
// Step 1: bring the target cache line into L1 by simply accessing // Step 1: bring the target cache line into L1 by simply accessing
// the line // the line
tmp = target_buffer[0]; tmp = target_buffer[0];
for(int j=0; j<L2_SIZE/LINE_SIZE; j++){ for(int k=0; k<REPEAT; k++){
for(int j=0; j<REDUNDANCY*L2_SIZE/LINE_SIZE; j++){
tmp = eviction_buffer[j*LINE_SIZE]; tmp = eviction_buffer[j*LINE_SIZE];
} }
}
// Step 2: measure the access latency // Step 2: measure the access latency
l3_latency[i] = measure_one_block_access_time((uint64_t)target_buffer); l3_latency[i] = measure_one_block_access_time((uint64_t)target_buffer);