Tanguy Pruvot
8 years ago
10 changed files with 188 additions and 1 deletions
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/** |
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* Tribus Algo for Denarius |
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* |
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* tpruvot@github 06 2017 - GPLv3 |
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* |
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*/ |
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extern "C" { |
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#include "sph/sph_jh.h" |
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#include "sph/sph_keccak.h" |
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#include "sph/sph_echo.h" |
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} |
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#include "miner.h" |
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#include "cuda_helper.h" |
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#include "x11/cuda_x11.h" |
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void jh512_setBlock_80(int thr_id, uint32_t *endiandata); |
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void jh512_cuda_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNounce, uint32_t *d_hash); |
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static uint32_t *d_hash[MAX_GPUS]; |
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// cpu hash |
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extern "C" void tribus_hash(void *state, const void *input) |
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{ |
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uint8_t _ALIGN(64) hash[64]; |
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sph_jh512_context ctx_jh; |
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sph_keccak512_context ctx_keccak; |
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sph_echo512_context ctx_echo; |
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sph_jh512_init(&ctx_jh); |
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sph_jh512(&ctx_jh, input, 80); |
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sph_jh512_close(&ctx_jh, (void*) hash); |
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sph_keccak512_init(&ctx_keccak); |
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sph_keccak512(&ctx_keccak, (const void*) hash, 64); |
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sph_keccak512_close(&ctx_keccak, (void*) hash); |
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sph_echo512_init(&ctx_echo); |
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sph_echo512(&ctx_echo, (const void*) hash, 64); |
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sph_echo512_close(&ctx_echo, (void*) hash); |
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memcpy(state, hash, 32); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_tribus(int thr_id, struct work *work, uint32_t max_nonce, unsigned long *hashes_done) |
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{ |
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uint32_t _ALIGN(64) endiandata[20]; |
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uint32_t *pdata = work->data; |
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uint32_t *ptarget = work->target; |
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const uint32_t first_nonce = pdata[19]; |
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int8_t intensity = is_windows() ? 20 : 23; |
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uint32_t throughput = cuda_default_throughput(thr_id, 1 << intensity); |
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if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x00FF; |
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if (!init[thr_id]) |
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{ |
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cudaSetDevice(device_map[thr_id]); |
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if (opt_cudaschedule == -1 && gpu_threads == 1) { |
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cudaDeviceReset(); |
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// reduce cpu usage |
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cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); |
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CUDA_LOG_ERROR(); |
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} |
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gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), 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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x11_echo512_cpu_init(thr_id, 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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init[thr_id] = true; |
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} |
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for (int k=0; k < 20; k++) |
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be32enc(&endiandata[k], pdata[k]); |
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jh512_setBlock_80(thr_id, endiandata); |
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cuda_check_cpu_setTarget(ptarget); |
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work->valid_nonces = 0; |
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do { |
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int order = 1; |
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// Hash with CUDA |
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jh512_cuda_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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quark_keccak512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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work->nonces[0] = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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if (work->nonces[0] != UINT32_MAX) |
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{ |
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const uint32_t Htarg = ptarget[7]; |
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uint32_t _ALIGN(64) vhash[8]; |
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be32enc(&endiandata[19], work->nonces[0]); |
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tribus_hash(vhash, endiandata); |
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if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { |
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work->valid_nonces = 1; |
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work_set_target_ratio(work, vhash); |
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work->nonces[1] = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1); |
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if (work->nonces[1] != 0) { |
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be32enc(&endiandata[19], work->nonces[1]); |
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tribus_hash(vhash, endiandata); |
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bn_set_target_ratio(work, vhash, 1); |
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work->valid_nonces++; |
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pdata[19] = max(work->nonces[0], work->nonces[1]) + 1; |
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} else { |
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pdata[19] = work->nonces[0] + 1; // cursor |
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} |
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goto out; |
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} |
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else if (vhash[7] > Htarg) { |
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gpu_increment_reject(thr_id); |
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if (!opt_quiet) |
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gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", work->nonces[0]); |
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pdata[19] = work->nonces[0] + 1; |
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continue; |
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} |
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} |
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if ((uint64_t) throughput + pdata[19] >= max_nonce) { |
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pdata[19] = max_nonce; |
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break; |
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} |
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pdata[19] += throughput; |
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} while (!work_restart[thr_id].restart); |
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out: |
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// *hashes_done = pdata[19] - first_nonce; |
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return work->valid_nonces; |
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} |
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// ressources cleanup |
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extern "C" void free_tribus(int thr_id) |
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{ |
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if (!init[thr_id]) |
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return; |
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cudaThreadSynchronize(); |
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cudaFree(d_hash[thr_id]); |
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quark_groestl512_cpu_free(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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