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#include "util.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#ifndef MLP
#define MLP 32
#endif
#ifndef STEP
#define STEP 16
#endif
void InitStream(uint *a, uint n) {
for (uint i=0; i<n; i++)
a[i] = (i+STEP) % n;
}
// TODO: Verify this does the random shuffling well
void ShuffleStream(uint *a, uint n) {
if (n>1) {
uint i;
for (i = 0; i < n-1; i++) {
uint j = (i + rand() / (RAND_MAX / (n-i)+1)) % n;
uint t = a[j];
a[j] = a[i];
a[i] = t;
}
}
}
int Chase(uint *a, uint n, uint iterations) {
uint loc[MLP];
for (uint m=0; m<MLP; m++)
loc[m] = (m * (n/MLP) + m) % n;
for (uint k=0; k<iterations; k++) {
for (uint i=0; i<n/MLP; i++) {
for (uint m=0; m<MLP; m++) {
loc[m] = a[loc[m]];
}
}
}
for (uint m=0; m<MLP; m++) {
if (loc[m] < 0) {
//printf("woah\n");
}
}
return loc[n];
}
void RandGenBench(int n) {
long total=0;
for (int i=0; i<n; i++) {
total += (rand() % 1) + 1;
}
}
void thread_entry(int cid, int nc)
{
while (cid != 0) {
clogMem(1<<16, 64>>2,1<<7);
}
}
int main(int argc, char* argv[]) {
uint num_iters = 1;
uint length = 1<<16;
uint randomize = 0;
uint stream[length];
InitStream(stream, length);
if (randomize) {
ShuffleStream(stream, length);
}
randomize = Chase(stream, length, num_iters);
}
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