int scanhash_qubit(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t _ALIGN(128) hash32[8];
uint32_t _ALIGN(128) endiandata[20];
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
uint64_t htmax[] = {
0,
0xF,
0xFF,
0xFFF,
0xFFFF,
0x10000000
};
uint32_t masks[] = {
0xFFFFFFFF,
0xFFFFFFF0,
0xFFFFFF00,
0xFFFFF000,
0xFFFF0000,
0
};
// we need bigendian data...
for (int i=0; i < 19; i++) {
be32enc(&endiandata[i], pdata[i]);
}
#ifdef DEBUG_ALGO
printf("[%d] Htarg=%X\n", thr_id, Htarg);
#endif
for (int m=0; m < 6; m++) {
if (Htarg <= htmax[m]) {
uint32_t mask = masks[m];
do {
pdata[19] = ++n;
be32enc(&endiandata[19], n);
qubithash(hash32, endiandata);
#ifndef DEBUG_ALGO
if ((!(hash32[7] & mask)) && fulltest(hash32, ptarget)) {
work_set_target_ratio(work, hash32);
*hashes_done = n - first_nonce + 1;
return 1;
}
#else
if (!(n % 0x1000) && !thr_id) printf(".");
if (!(hash32[7] & mask)) {
printf("[%d]",thr_id);
if (fulltest(hash32, ptarget)) {
work_set_target_ratio(work, hash32);
*hashes_done = n - first_nonce + 1;
return 1;
}
}
#endif
} while (n < max_nonce && !work_restart[thr_id].restart);
// see blake.c if else to understand the loop on htmax => mask
break;
}
}
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}
int scanhash_qubit(int thr_id, struct work *work,
uint32_t max_nonce, uint64_t *hashes_done)
{
uint32_t endiandata[20] __attribute__((aligned(64)));
uint32_t hash64[8] __attribute__((aligned(32)));
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
const uint32_t Htarg = ptarget[7];
uint64_t htmax[] = { 0, 0xF, 0xFF, 0xFFF, 0xFFFF, 0x10000000 };
uint32_t masks[] =
{ 0xFFFFFFFF, 0xFFFFFFF0, 0xFFFFFF00, 0xFFFFF000, 0xFFFF0000, 0 };
// we need bigendian data...
swab32_array( endiandata, pdata, 20 );
#ifdef DEBUG_ALGO
printf("[%d] Htarg=%X\n", thr_id, Htarg);
#endif
for ( int m=0; m < 6; m++ )
{
if ( Htarg <= htmax[m] )
{
uint32_t mask = masks[m];
do
{
pdata[19] = ++n;
be32enc(&endiandata[19], n);
qubithash(hash64, endiandata);
#ifndef DEBUG_ALGO
if (!(hash64[7] & mask))
{
if ( fulltest(hash64, ptarget) )
{
*hashes_done = n - first_nonce + 1;
return true;
}
// else
// {
// applog(LOG_INFO, "Result does not validate on CPU!");
// }
}
#else
if (!(n % 0x1000) && !thr_id) printf(".");
if (!(hash64[7] & mask)) {
printf("[%d]",thr_id);
if (fulltest(hash64, ptarget)) {
*hashes_done = n - first_nonce + 1;
return true;
}
}
#endif
} while ( n < max_nonce && !work_restart[thr_id].restart );
// see blake.c if else to understand the loop on htmax => mask
break;
}
}
*hashes_done = n - first_nonce + 1;
pdata[19] = n;
return 0;
}
