Tanguy Pruvot
7 years ago
13 changed files with 228 additions and 12 deletions
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/** |
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* Skunk Algo for Signatum |
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* (skein, cube, fugue, gost streebog) |
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* |
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* tpruvot@github 06 2017 - GPLv3 |
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*/ |
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extern "C" { |
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#include "sph/sph_skein.h" |
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#include "sph/sph_cubehash.h" |
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#include "sph/sph_fugue.h" |
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#include "sph/sph_streebog.h" |
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} |
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#include "miner.h" |
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#include "cuda_helper.h" |
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extern void skein512_cpu_setBlock_80(void *pdata); |
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extern void quark_skein512_cpu_init(int thr_id, uint32_t threads); |
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extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap); |
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extern void x11_cubehash512_cpu_init(int thr_id, uint32_t threads); |
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extern void x11_cubehash512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void x13_fugue512_cpu_init(int thr_id, uint32_t threads); |
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extern void x13_fugue512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void x13_fugue512_cpu_free(int thr_id); |
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extern void streebog_cpu_hash_64_final(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce); |
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extern void streebog_set_target(const uint32_t* ptarget); |
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#include <stdio.h> |
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#include <memory.h> |
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#define NBN 2 |
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static uint32_t *d_hash[MAX_GPUS]; |
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static uint32_t *d_resNonce[MAX_GPUS]; |
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// CPU Hash |
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extern "C" void skunk_hash(void *output, const void *input) |
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{ |
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unsigned char _ALIGN(128) hash[128] = { 0 }; |
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sph_skein512_context ctx_skein; |
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sph_cubehash512_context ctx_cubehash; |
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sph_fugue512_context ctx_fugue; |
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sph_gost512_context ctx_gost; |
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sph_skein512_init(&ctx_skein); |
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sph_skein512(&ctx_skein, input, 80); |
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sph_skein512_close(&ctx_skein, (void*) hash); |
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sph_cubehash512_init(&ctx_cubehash); |
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sph_cubehash512(&ctx_cubehash, (const void*) hash, 64); |
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sph_cubehash512_close(&ctx_cubehash, (void*) hash); |
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sph_fugue512_init(&ctx_fugue); |
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sph_fugue512(&ctx_fugue, (const void*) hash, 64); |
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sph_fugue512_close(&ctx_fugue, (void*) hash); |
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sph_gost512_init(&ctx_gost); |
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sph_gost512(&ctx_gost, (const void*) hash, 64); |
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sph_gost512_close(&ctx_gost, (void*) hash); |
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memcpy(output, hash, 32); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_skunk(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done) |
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{ |
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int dev_id = device_map[thr_id]; |
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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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int intensity = (device_sm[device_map[thr_id]] > 500) ? 18 : 17; |
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if (strstr(device_name[dev_id], "GTX 10")) intensity = 19; |
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uint32_t throughput = cuda_default_throughput(thr_id, 1U << 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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ptarget[7] = 0xf; |
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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_skein512_cpu_init(thr_id, throughput); |
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x11_cubehash512_cpu_init(thr_id, throughput); |
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x13_fugue512_cpu_init(thr_id, throughput); |
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CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput), 0); |
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CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonce[thr_id], NBN * sizeof(uint32_t)), -1); |
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init[thr_id] = true; |
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} |
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uint32_t _ALIGN(64) h_resNonce[NBN]; |
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uint32_t _ALIGN(64) endiandata[20]; |
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for (int k=0; k < 20; k++) |
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be32enc(&endiandata[k], pdata[k]); |
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skein512_cpu_setBlock_80(endiandata); |
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cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); |
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streebog_set_target(ptarget); |
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do { |
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int order = 0; |
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skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], 1); order++; |
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x11_cubehash512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x13_fugue512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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streebog_cpu_hash_64_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]); |
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cudaMemcpy(h_resNonce, d_resNonce[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost); |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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if (h_resNonce[0] != UINT32_MAX) |
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{ |
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uint32_t _ALIGN(64) vhash[8]; |
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const uint32_t Htarg = ptarget[7]; |
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const uint32_t startNounce = pdata[19]; |
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be32enc(&endiandata[19], startNounce + h_resNonce[0]); |
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skunk_hash(vhash, endiandata); |
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if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) |
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{ |
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work->nonces[0] = startNounce + h_resNonce[0]; |
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work->valid_nonces = 1; |
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work_set_target_ratio(work, vhash); |
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if (h_resNonce[1] != UINT32_MAX) |
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{ |
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uint32_t secNonce = work->nonces[1] = startNounce + h_resNonce[1]; |
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be32enc(&endiandata[19], secNonce); |
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skunk_hash(vhash, endiandata); |
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work->nonces[1] = secNonce; |
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if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio[0]) { |
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work_set_target_ratio(work, vhash); |
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xchg(work->nonces[1], work->nonces[0]); |
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} else { |
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bn_set_target_ratio(work, vhash, work->valid_nonces); |
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} |
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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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return work->valid_nonces; |
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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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cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); |
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pdata[19] = startNounce + h_resNonce[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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*hashes_done = pdata[19] - first_nonce; |
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return 0; |
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} |
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// cleanup |
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extern "C" void free_skunk(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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x13_fugue512_cpu_free(thr_id); |
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cudaFree(d_hash[thr_id]); |
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cudaFree(d_resNonce[thr_id]); |
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init[thr_id] = false; |
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cudaDeviceSynchronize(); |
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} |
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