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181 lines
5.3 KiB
181 lines
5.3 KiB
/* |
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* whirlpool routine |
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*/ |
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extern "C" { |
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#include <sph/sph_whirlpool.h> |
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#include <miner.h> |
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} |
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#include <cuda_helper.h> |
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//#define SM3_VARIANT |
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#ifdef SM3_VARIANT |
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static uint32_t *d_hash[MAX_GPUS]; |
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extern void whirlpool512_init_sm3(int thr_id, uint32_t threads, int mode); |
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extern void whirlpool512_free_sm3(int thr_id); |
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extern void whirlpool512_setBlock_80_sm3(void *pdata, const void *ptarget); |
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extern void whirlpool512_hash_64_sm3(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 whirlpool512_hash_80_sm3(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash); |
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extern uint32_t whirlpool512_finalhash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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//#define _DEBUG |
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#define _DEBUG_PREFIX "whirl" |
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#include <cuda_debug.cuh> |
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#else |
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extern void x15_whirlpool_cpu_init(int thr_id, uint32_t threads, int mode); |
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extern void x15_whirlpool_cpu_free(int thr_id); |
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extern void whirlpool512_setBlock_80(void *pdata, const void *ptarget); |
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extern void whirlpool512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *resNonces, const uint64_t target); |
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#endif |
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// CPU Hash function |
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extern "C" void wcoinhash(void *state, const void *input) |
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{ |
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sph_whirlpool_context ctx_whirlpool; |
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unsigned char hash[128]; // uint32_t hashA[16], hashB[16]; |
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#define hashB hash+64 |
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memset(hash, 0, sizeof hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, input, 80); |
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sph_whirlpool1_close(&ctx_whirlpool, hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, hash, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, hashB); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, hashB, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, hash, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, hash); |
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memcpy(state, hash, 32); |
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} |
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void whirl_midstate(void *state, const void *input) |
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{ |
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sph_whirlpool_context ctx; |
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sph_whirlpool1_init(&ctx); |
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sph_whirlpool1(&ctx, input, 64); |
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memcpy(state, ctx.state, 64); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_whirl(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(128) 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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uint32_t throughput = cuda_default_throughput(thr_id, 1U << 19); // 19=256*256*8; |
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if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); |
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if (init[thr_id]) throughput = max(throughput, 256); // shared mem requirement |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x0000ff; |
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if (!init[thr_id]) { |
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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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#ifdef SM3_VARIANT |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput)); |
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whirlpool512_init_sm3(thr_id, throughput, 1 /* old whirlpool */); |
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#else |
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x15_whirlpool_cpu_init(thr_id, throughput, 1 /* old whirlpool */); |
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#endif |
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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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} |
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#ifdef SM3_VARIANT |
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whirlpool512_setBlock_80_sm3((void*)endiandata, ptarget); |
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#else |
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whirlpool512_setBlock_80((void*)endiandata, ptarget); |
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#endif |
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do { |
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#ifdef SM3_VARIANT |
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int order = 1; |
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whirlpool512_hash_80_sm3(thr_id, throughput, pdata[19], d_hash[thr_id]); |
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TRACE64(" 80 :", d_hash); |
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whirlpool512_hash_64_sm3(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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TRACE64(" 64 :", d_hash); |
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whirlpool512_hash_64_sm3(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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TRACE64(" 64 :", d_hash); |
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work->nonces[0] = whirlpool512_finalhash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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#else |
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whirlpool512_cpu_hash_80(thr_id, throughput, pdata[19], work->nonces, *(uint64_t*)&ptarget[6]); |
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#endif |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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if (work->nonces[0] != UINT32_MAX && bench_algo < 0) |
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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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wcoinhash(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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pdata[19] = work->nonces[0] + 1; // cursor |
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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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return 0; |
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} |
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// cleanup |
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extern "C" void free_whirl(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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#ifdef SM3_VARIANT |
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cudaFree(d_hash[thr_id]); |
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whirlpool512_free_sm3(thr_id); |
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#else |
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x15_whirlpool_cpu_free(thr_id); |
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#endif |
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init[thr_id] = false; |
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cudaDeviceSynchronize(); |
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} |
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