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; }