Tanguy Pruvot
9 years ago
5 changed files with 137 additions and 1 deletions
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@@ -0,0 +1,120 @@
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/* |
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* whirlpool routine (djm) |
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*/ |
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extern "C" |
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{ |
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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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static uint32_t *d_hash[MAX_GPUS]; |
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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_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 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 *d_hash, int order); |
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extern uint32_t whirlpool512_cpu_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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// 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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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 = device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8; |
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throughput = min(throughput, max_nonce - first_nonce); |
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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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cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput); |
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x15_whirlpool_cpu_init(thr_id, throughput, 1 /* old whirlpool */); |
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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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whirlpool512_setBlock_80((void*)endiandata, ptarget); |
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do { |
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uint32_t foundNonce; |
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int order = 0; |
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whirlpool512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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x15_whirlpool_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x15_whirlpool_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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foundNonce = whirlpool512_cpu_finalhash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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if (foundNonce != UINT32_MAX) |
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{ |
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const uint32_t Htarg = ptarget[7]; |
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uint32_t vhash[8]; |
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be32enc(&endiandata[19], foundNonce); |
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wcoinhash(vhash, endiandata); |
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if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { |
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int res = 1; |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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bn_store_hash_target_ratio(vhash, ptarget, work); |
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#if 0 |
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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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if (secNonce != 0) { |
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pdata[21] = secNonce; |
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res++; |
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} |
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#endif |
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pdata[19] = foundNonce; |
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return res; |
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} else { |
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applog(LOG_WARNING, "GPU #%d: result for %08x does not validate on CPU!", device_map[thr_id], foundNonce); |
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} |
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} |
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pdata[19] += throughput; |
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} while (pdata[19] < max_nonce && !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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