Tanguy Pruvot
10 years ago
11 changed files with 327 additions and 184 deletions
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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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// from cpu-miner.c |
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extern int device_map[8]; |
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extern bool opt_benchmark; |
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// Speicher für Input/Output der verketteten Hashfunktionen |
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static uint32_t *d_hash[8]; |
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extern void x15_whirlpool_cpu_init(int thr_id, int threads, int mode); |
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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, int threads, uint32_t startNounce, uint32_t *d_hash, int order); |
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extern void x15_whirlpool_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern uint32_t whirlpool512_cpu_finalhash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void cuda_check_cpu_init(int thr_id, int threads); |
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extern void cuda_check_cpu_setTarget(const void *ptarget); |
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extern uint32_t cuda_check_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_inputHash, 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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uint32_t hash[16]; |
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// shavite 1 |
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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, (void*) hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, (const void*) hash, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, (void*) hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, (const void*) hash, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, (void*) hash); |
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sph_whirlpool1_init(&ctx_whirlpool); |
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sph_whirlpool1(&ctx_whirlpool, (const void*) hash, 64); |
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sph_whirlpool1_close(&ctx_whirlpool, (void*) hash); |
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memcpy(state, hash, 32); |
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} |
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extern "C" int scanhash_whc(int thr_id, uint32_t *pdata, |
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const uint32_t *ptarget, uint32_t max_nonce, |
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unsigned long *hashes_done) |
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{ |
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const uint32_t first_nonce = pdata[19]; |
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const int throughput = 256*256*8; |
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static bool init[8] = {0,0,0,0,0,0,0,0}; |
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uint32_t endiandata[20]; |
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uint32_t Htarg = ptarget[7]; |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = Htarg = 0x0000ff; |
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if (!init[thr_id]) { |
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cudaSetDevice(device_map[thr_id]); |
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// Konstanten kopieren, Speicher belegen |
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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); |
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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], ((uint32_t*)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 != 0xffffffff) |
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{ |
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uint32_t vhash64[8]; |
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be32enc(&endiandata[19], foundNonce); |
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wcoinhash(vhash64, endiandata); |
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if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) |
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{ |
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pdata[19] = foundNonce; |
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*hashes_done = foundNonce - first_nonce + 1; |
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return 1; |
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} |
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else if (vhash64[7] > Htarg) { |
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applog(LOG_INFO, "GPU #%d: result for %08x is not in range: %x > %x", thr_id, foundNonce, vhash64[7], Htarg); |
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} |
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else { |
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applog(LOG_INFO, "GPU #%d: result for %08x does not validate on CPU!", 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 + 1; |
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return 0; |
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} |
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