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