@ -72,6 +72,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
@@ -72,6 +72,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
const uint32_t first_nonce = pdata[19];
int res = 0;
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 20); // 256*256*16
throughput = min(throughput, (max_nonce - first_nonce));
@ -83,19 +84,26 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
@@ -83,19 +84,26 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
{
cudaSetDevice(device_map[thr_id]);
// Konstanten kopieren, Speicher belegen
// Constants copy/init (no device alloc in these algos)
quark_blake512_cpu_init(thr_id, throughput);
quark_groestl512_cpu_init(thr_id, throughput);
quark_jh512_cpu_init(thr_id, throughput);
quark_keccak512_cpu_init(thr_id, throughput);
quark_skein512_cpu_init(thr_id, throughput);
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput));
// char[64] work space for hashes results
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t)64 * throughput));
cuda_check_cpu_init(thr_id, throughput);
init[thr_id] = true;
}
#ifdef USE_STREAMS
cudaStream_t stream[5];
for (int i = 0; i < 5; i++)
cudaStreamCreate(&stream[i]);
#endif
for (int k=0; k < 20; k++)
be32enc(&endiandata[k], pdata[k]);
@ -123,7 +131,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
@@ -123,7 +131,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
nist5hash(vhash64, endiandata);
if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) {
int res = 1;
res = 1;
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1);
bn_store_hash_target_ratio(vhash64, ptarget, work);
if (secNonce != 0) {
@ -135,7 +143,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
@@ -135,7 +143,7 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
res++;
}
pdata[19] = foundNonce;
return res ;
goto out ;
}
else {
applog(LOG_WARNING, "GPU #%d: result for nonce %08x does not validate on CPU!", device_map[thr_id], foundNonce);
@ -146,6 +154,27 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
@@ -146,6 +154,27 @@ extern "C" int scanhash_nist5(int thr_id, struct work *work, uint32_t max_nonce,
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
out:
#ifdef USE_STREAMS
for (int i = 0; i < 5; i++)
cudaStreamDestroy(stream[i]);
#endif
return res;
}
// ressources cleanup
extern "C" void free_nist5(int thr_id)
{
if (!init[thr_id])
return;
cudaSetDevice(device_map[thr_id]);
cudaFree(d_hash[thr_id]);
cuda_check_cpu_free(thr_id);
init[thr_id] = false;
cudaDeviceSynchronize();
}