Browse Source
old "german" implementation based on the quark method is kept in the source tree, but is currently broken. to be continued. This is a quick fix which should be compatible with all cards.master
Tanguy Pruvot
8 years ago
11 changed files with 299 additions and 25 deletions
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/** |
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* JHA v8 algorithm - compatible implementation |
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* @author tpruvot@github 05-2017 |
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*/ |
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extern "C" { |
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#include "sph/sph_keccak.h" |
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#include "sph/sph_blake.h" |
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#include "sph/sph_groestl.h" |
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#include "sph/sph_jh.h" |
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#include "sph/sph_skein.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 "quark/cuda_quark.h" |
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static uint32_t *d_hash[MAX_GPUS] = { 0 }; |
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static uint32_t *d_hash_br2[MAX_GPUS]; |
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static uint32_t *d_tempBranch[MAX_GPUS]; |
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extern void jackpot_keccak512_cpu_init(int thr_id, uint32_t threads); |
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extern void jackpot_keccak512_cpu_setBlock(void *pdata, size_t inlen); |
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extern void jackpot_keccak512_cpu_hash(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order); |
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// CPU HASH |
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extern "C" void jha_hash(void *output, const void *input) |
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{ |
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uint32_t hash[16]; |
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sph_blake512_context ctx_blake; |
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sph_groestl512_context ctx_groestl; |
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sph_jh512_context ctx_jh; |
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sph_keccak512_context ctx_keccak; |
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sph_skein512_context ctx_skein; |
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sph_keccak512_init(&ctx_keccak); |
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sph_keccak512 (&ctx_keccak, input, 80); |
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sph_keccak512_close(&ctx_keccak, hash); |
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for (int rnd = 0; rnd < 3; rnd++) |
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{ |
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if (hash[0] & 0x01) { |
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sph_groestl512_init(&ctx_groestl); |
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sph_groestl512 (&ctx_groestl, (&hash), 64); |
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sph_groestl512_close(&ctx_groestl, (&hash)); |
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} |
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else { |
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sph_skein512_init(&ctx_skein); |
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sph_skein512 (&ctx_skein, (&hash), 64); |
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sph_skein512_close(&ctx_skein, (&hash)); |
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} |
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if (hash[0] & 0x01) { |
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sph_blake512_init(&ctx_blake); |
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sph_blake512 (&ctx_blake, (&hash), 64); |
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sph_blake512_close(&ctx_blake, (&hash)); |
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} |
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else { |
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sph_jh512_init(&ctx_jh); |
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sph_jh512 (&ctx_jh, (&hash), 64); |
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sph_jh512_close(&ctx_jh, (&hash)); |
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} |
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} |
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memcpy(output, hash, 32); |
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} |
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__global__ __launch_bounds__(128, 8) |
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void jha_filter_gpu(const uint32_t threads, const uint32_t* d_hash, uint32_t* d_branch2, uint32_t* d_NonceBranch) |
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{ |
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const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads) |
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{ |
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const uint32_t offset = thread * 16U; // 64U / sizeof(uint32_t); |
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uint4 *psrc = (uint4*) (&d_hash[offset]); |
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d_NonceBranch[thread] = ((uint8_t*)psrc)[0] & 0x01; |
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if (d_NonceBranch[thread]) return; |
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// uint4 = 4x uint32_t = 16 bytes |
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uint4 *pdst = (uint4*) (&d_branch2[offset]); |
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pdst[0] = psrc[0]; |
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pdst[1] = psrc[1]; |
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pdst[2] = psrc[2]; |
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pdst[3] = psrc[3]; |
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} |
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} |
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__global__ __launch_bounds__(128, 8) |
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void jha_merge_gpu(const uint32_t threads, uint32_t* d_hash, uint32_t* d_branch2, uint32_t* const d_NonceBranch) |
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{ |
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const uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x); |
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if (thread < threads && !d_NonceBranch[thread]) |
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{ |
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const uint32_t offset = thread * 16U; |
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uint4 *pdst = (uint4*) (&d_hash[offset]); |
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uint4 *psrc = (uint4*) (&d_branch2[offset]); |
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pdst[0] = psrc[0]; |
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pdst[1] = psrc[1]; |
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pdst[2] = psrc[2]; |
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pdst[3] = psrc[3]; |
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} |
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} |
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__host__ |
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uint32_t jha_filter_cpu(const int thr_id, const uint32_t threads, const uint32_t *inpHashes, uint32_t* d_branch2) |
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{ |
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const uint32_t threadsperblock = 128; |
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dim3 grid((threads + threadsperblock - 1) / threadsperblock); |
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dim3 block(threadsperblock); |
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// extract algo permution hashes to a second branch buffer |
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jha_filter_gpu <<<grid, block>>> (threads, inpHashes, d_branch2, d_tempBranch[thr_id]); |
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return threads; |
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} |
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__host__ |
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void jha_merge_cpu(const int thr_id, const uint32_t threads, uint32_t *outpHashes, uint32_t* d_branch2) |
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{ |
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const uint32_t threadsperblock = 128; |
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dim3 grid((threads + threadsperblock - 1) / threadsperblock); |
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dim3 block(threadsperblock); |
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// put back second branch hashes to the common buffer d_hash |
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jha_merge_gpu <<<grid, block>>> (threads, outpHashes, d_branch2, d_tempBranch[thr_id]); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_jha(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[22]; |
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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 dev_id = device_map[thr_id]; |
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uint32_t throughput = cuda_default_throughput(thr_id, 1U << 20); |
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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] = 0x000f; |
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if (!init[thr_id]) |
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{ |
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cudaSetDevice(dev_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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cuda_get_arch(thr_id); |
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gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput); |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput)); |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash_br2[thr_id], (size_t) 64 * throughput)); |
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CUDA_SAFE_CALL(cudaMalloc(&d_tempBranch[thr_id], sizeof(uint32_t) * throughput)); |
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jackpot_keccak512_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_jh512_cpu_init(thr_id, throughput); |
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quark_skein512_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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} |
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for (int k=0; k < 22; k++) |
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be32enc(&endiandata[k], pdata[k]); |
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jackpot_keccak512_cpu_setBlock((void*)endiandata, 80); |
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cuda_check_cpu_setTarget(ptarget); |
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do { |
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int order = 0; |
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jackpot_keccak512_cpu_hash(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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for (int rnd = 0; rnd < 3; rnd++) |
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{ |
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jha_filter_cpu(thr_id, throughput, d_hash[thr_id], d_hash_br2[thr_id]); |
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quark_groestl512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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quark_skein512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_br2[thr_id], order++); |
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jha_merge_cpu(thr_id, throughput, d_hash[thr_id], d_hash_br2[thr_id]); |
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jha_filter_cpu(thr_id, throughput, d_hash[thr_id], d_hash_br2[thr_id]); |
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quark_blake512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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quark_jh512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash_br2[thr_id], order++); |
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jha_merge_cpu(thr_id, throughput, d_hash[thr_id], d_hash_br2[thr_id]); |
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} |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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CUDA_LOG_ERROR(); |
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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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jha_hash(vhash, endiandata); |
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if (vhash[7] <= ptarget[7] && 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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jha_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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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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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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*hashes_done = pdata[19] - first_nonce; |
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CUDA_LOG_ERROR(); |
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return 0; |
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} |
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// cleanup |
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extern "C" void free_jha(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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cudaFree(d_hash_br2[thr_id]); |
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cudaFree(d_tempBranch[thr_id]); |
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quark_blake512_cpu_free(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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CUDA_LOG_ERROR(); |
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cudaDeviceSynchronize(); |
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init[thr_id] = false; |
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} |
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