yeahyves.asm

1 files changed, 30 insertions, 7 deletions

diff --git a/cacheRows.c b/cacheRows.c
index 0111018..6791257 100644
--- a/cacheRows.c
+++ b/cacheRows.c
@@ -2,15 +2,28 @@
 #include "inlineasm.h"
 #include <stdlib.h>
 
-#define MEASURE_METHOD memmeasure
+#define MEASURE_METHOD doMeasure
+#define RUNS 10000
 #define MIN_OFFSET 1
-#define MAX_OFFSET 4096
+#define MAX_OFFSET 128
 #define OFFSETS (MAX_OFFSET - MIN_OFFSET)
 #define FIELD_TYPE uint8_t
 
+uint64_t doMeasure(FIELD_TYPE *addr){
+    uint64_t volatile time = 0;
+    
+    FIELD_TYPE value = (FIELD_TYPE) &addr;
+
+    time = rdtsc();
+    *addr = value;
+    time = rdtsc() - time;
+
+    return time;
+}
+
 void measure(int offset,FIELD_TYPE *field){
-    uint64_t *res = malloc(sizeof(uint64_t)*MAX_OFFSET);
-    void *lowerAddress =  field + offset;
+    FIELD_TYPE *lowerAddress =  field + offset;
+    *lowerAddress = 0;
 	int i;
     int a = field[0];
 
@@ -18,20 +31,30 @@ void measure(int offset,FIELD_TYPE *field){
         res[i] = MEASURE_METHOD(lowerAddress,res[i]*sizeof(FIELD_TYPE));
     }
 
-    for(i=MIN_OFFSET;i <= MAX_OFFSET;i++){
-        fprintf(stdout,"%d %lld \r\n",i,res[i]);
+    for(i=MIN_OFFSET;i <= MAX_OFFSET;i += 8){
+        uint64_t time = MEASURE_METHOD(lowerAddress+i);
+        if(time > 70)
+        fprintf(stdout,"%d %ld \r\n",i,time);
     }
 }
 
+
+
 int main(int argc, char* argv[]) {
 
     //uint64_t *results = malloc(sizeof(uint64_t)*RUNS*OFFSETS);
     FIELD_TYPE *field = malloc(sizeof(FIELD_TYPE)*(MAX_OFFSET+1));
+
+
     int i=0;
 
-    measure(0,field);
+    //for(i=0;i < RUNS;i++){
+	//fprintf(stdout,"RUN: %d \r\n",i);
+    //}
 
 
+    measure(0,field);
+
     return 0;
 }